Lead Security Engineer jobs in Reston – Page 2 | RoboApply Jobs

Lead Security Engineer jobs in Reston· Page 2

Results 21–40 of 181 for “Lead Security Engineer” in Reston.

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sosi1 logo
Full-time|On-site|Reston

Join sosi1 as a Program Lead where you will be at the forefront of driving our programs to success. In this role, you will coordinate project initiatives, manage team efforts, and ensure that our objectives are met with excellence. Your leadership will guide our team towards achieving goals and delivering impactful results.

Nov 21, 2025
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Verisign, Inc. logo
Full-time|On-site|Reston,Virginia,United States

As a Senior Research Engineer at Verisign, you will be at the forefront of pioneering research in internet security and data integrity. Your expertise will play a crucial role in advancing technologies that secure the global internet infrastructure. You will collaborate with a dynamic team of professionals, contributing innovative ideas and solutions to complex challenges.

Mar 17, 2026
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CapTech Consulting logo
Full-time|On-site|Reston

At CapTech, our Machine Learning Engineers play a pivotal role in crafting and executing data-centric solutions for our clients. We emphasize the creation and deployment of scalable machine learning systems within enterprise settings. Our team thrives in a collaborative atmosphere, offering ample opportunities for knowledge-sharing and professional growth alongside fellow analysts, architects, and clients.As a Lead Machine Learning Engineer, your key responsibilities will include:Collaborating with clients, data scientists, engineers, and cross-functional team members to deliver comprehensive machine learning solutions and explore innovative data science methodologies that align with business objectives.Providing technical leadership and fostering collaboration across teams to ensure that solutions meet customer requirements effectively.Transforming client needs into data-driven models and analytical frameworks.Conducting analysis and manipulation of extensive datasets using various enterprise-level data platforms (e.g., AWS, Azure, GCP).Designing, developing, and implementing sophisticated analytical solutions using client data (such as recommendation engines, natural language processing, and risk assessment models).Optimizing and scaling machine learning systems to fulfill client demands.Enhancing CapTech's Machine Learning and Data Science initiatives by delivering presentations, crafting proposals, participating in business development activities, and guiding junior data scientists and engineers.

Mar 17, 2026
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MetroStar Systems logo
Full-time|$184K/yr - $270K/yr|On-site|Reston, VA

As the Senior Director of National Security Operations, you will play a pivotal leadership role, overseeing the daily operations of our portfolio to ensure optimal efficiency and effectiveness. We are seeking a strategic thinker with a proven history of leading large teams, driving operational excellence, and establishing scalable processes to support growth.At MetroStar, we believe that exceptional technology services stem from exceptional people. Our commitment to our team has been the cornerstone of our two-decade legacy of building top-tier teams. Our future success relies on our deep understanding of our people and our unwavering focus on their development, encapsulated in our mission: A passion for our people and value for our customers.If you envision yourself contributing to our mission and driving our goals forward, we invite you to review the detailed job description below!

Feb 11, 2026
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usm2 logo
Full-time|On-site|Reston

Join usm2 as a Development Tech Lead, where your expertise will drive innovative solutions and lead our dynamic development team. In this pivotal role, you will oversee project lifecycles, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software products. If you possess a passion for technology and a knack for problem-solving, we want to hear from you!

Mar 23, 2016
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usm2 logo
Full-time|On-site|Reston

We are seeking a skilled and experienced Lead Data Modeler to join our team at usm2. In this pivotal role, you will be responsible for designing and implementing complex data models that support our business objectives. You will work closely with cross-functional teams to ensure our data architecture is robust, scalable, and aligned with industry standards.

Oct 27, 2016
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360 IT Professionals logo
.NET Lead Developer

360 IT Professionals

Full-time|On-site|Reston

Join our dynamic team at 360 IT Professionals as a .NET Lead Developer, where you will spearhead innovative projects and mentor a team of skilled developers. We are looking for a passionate individual who thrives in a collaborative environment and is eager to take on challenging assignments. Your expertise in .NET technologies will be pivotal in driving our development efforts.

Mar 16, 2016
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Agile Defense logo
Full-time|On-site|Reston, VA

At Agile Defense, we believe that proactive action shapes outcomes, and that the dynamic landscape of cybersecurity demands innovative solutions. We are committed to looking forward, embracing change, and cultivating the courage to develop strategies for tomorrow's challenges.Our mission is to deliver adaptive innovation that supports our nation's critical missions through the seamless integration of cutting-edge technologies, expert talent, and unmatched agility. We leverage our core principles of speed, flexibility, and creativity to safeguard and advance our nation's essential interests.Requisition #: 1438Job Title: Vulnerability Assessment Team LeadLocation: Reston, VAClearance Level: Secret ClearanceRequired Certification(s): One of the following: Active Certified Information Security Manager (CISM) or Active Certified Information Security System Professional (CISSP).SUMMARYAgile Defense is actively seeking a skilled Vulnerability Assessment and Penetration Testing (VAPT) Team Lead Analyst to support an Agency-level Security Operations Center (SOC) program. As the team lead, you will guide analysts in conducting comprehensive security assessments and penetration testing across our enterprise. This critical role is pivotal in our mission to provide Advanced Cyber Network Defense (CND) operations and Systems Engineering support, focusing on developing sophisticated analytics and countermeasures to safeguard our vital assets from potential threats. We are looking for candidates with varied backgrounds in cybersecurity, including systems operations, penetration testing, continuous monitoring, and vulnerability assessment. Ideal candidates will possess leadership experience, outstanding communication skills, strong research and analytical capabilities, and meticulous attention to detail. A solid understanding of operating systems and application vulnerabilities, along with practical experience in conducting enterprise-level vulnerability scans and network penetration testing, is essential.JOB DUTIES AND RESPONSIBILITIESThe Vulnerability Assessment Team Lead will oversee the enterprise vulnerability assessment planning, scanning, analysis, and remediation coordination to minimize organizational risk and ensure compliance with security protocols. Responsibilities include planning, scheduling, and executing enterprise vulnerability assessment cycles, monitoring remediation strategies, and enforcing deadlines. You will maintain a centralized repository of vulnerability assessment findings and generate comprehensive reports for government clients. Additionally, you will integrate application security practices, firewall/ATP configurations, and access control requirements into vulnerability assessment activities. Utilize customer-provided capabilities to conduct vulnerability audits of endpoints, network devices, and wireless access points.

Feb 19, 2026
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Anduril Industries logo
Full-time|On-site|Reston, Virginia, United States

Role Overview Anduril Industries is hiring a Counterintelligence Embedded Program Lead in Reston, Virginia. This role focuses on protecting national security by guiding counterintelligence operations and integrating intelligence capabilities across the company. What You Will Do Lead and manage key counterintelligence programs within Anduril Work closely with teams from different disciplines to shape strategies that strengthen operational effectiveness Help advance the company’s technological solutions by ensuring intelligence is woven into core processes Identify potential threats and direct defensive actions to safeguard company assets Collaboration and Impact This position partners with colleagues across functions, combining expertise to address security challenges and support Anduril’s mission. Guidance from this role helps the organization stay ahead of emerging risks and maintain a secure operating environment.

Apr 13, 2026
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Agile Defense logo
Full-time|On-site|Reston, VA

At Agile Defense, we recognize that decisive actions shape outcomes, and emerging challenges necessitate innovative solutions. Our forward-looking approach enables us to embrace change with unwavering resolve and the courage to prepare for what lies ahead.Our mission is to deliver adaptive innovation that supports our nation's critical missions through the seamless integration of cutting-edge technologies, talented professionals, and unmatched agility. We leverage a foundation of speed, flexibility, and creativity to fortify and protect our nation's essential interests.Requisition #: 1435Job Title: Cyber Incident Response Team LeadLocation: Reston, VAClearance Level: TS (SCI Eligible)Active Certified Information System Security Professional (CISSP)SUMMARYAgile Defense is in search of a seasoned Cyber Incident Response Team Lead to enhance our enterprise cybersecurity program, providing continuous Cybersecurity Operations Center (SOC) services. The Incident Response (IR) team is responsible for conducting security investigations on potential threats identified within the organization, performing comprehensive forensic investigations (host-based, cloud, and network), devising and implementing countermeasures, and tracking incident activities for U.S. Government clients. Our dedicated staff is at the forefront of delivering advanced CSOC operations, including the development of sophisticated analytics and countermeasures to safeguard critical assets against various cyber threats. We are looking for candidates with diverse backgrounds in cybersecurity operations, technical analysis, and the incident response lifecycle. A strong work ethic, diligent time management, and excellent written and verbal communication skills are essential. The ideal candidate will possess a robust understanding of cyber threats and information security covering TTPs, Threat Actors, Campaigns, and Observables. Familiarity with intrusion detection systems, intrusion analysis, security information event management platforms, endpoint threat detection tools, and security operations ticket management is highly desirable.JOB DUTIES AND RESPONSIBILITIESLead the incident response lifecycle, encompassing incident detection, analysis, escalation, and coordinated responses across all CSOC functions. Develop and standardize incident response runbooks, playbooks, and communication protocols; ensure appropriate evidence handling and comprehensive documentation. Monitor and refine key performance metrics (MTTA/MTTR); capture lessons learned and implement corrective actions to enhance future response efforts.

Feb 19, 2026
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Revalize logo
Full-time|On-site|Reston, VA, USA

Role Overview Revalize is hiring a Team Lead Business Development Representative in Reston, VA. This role guides a team of Business Development Representatives to meet sales goals and strengthen client relationships. The position focuses on business growth and expanding the company’s market presence. What You Will Do Mentor and support Business Development Representatives to help them reach their targets Develop and refine sales strategies with the team Identify new business opportunities and pursue leads Work closely with marketing and product teams to align on messaging and objectives Who We’re Looking For Motivated leader with experience in business development or sales Comfortable guiding a team and setting clear goals Enjoys building a collaborative and supportive team culture Works well in a changing, energetic workplace

Apr 28, 2026
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Hatchit logo
Full-time|On-site|Reston, VA OR Somerville, MA

Hatchit is seeking a Lead Principal Engineer to guide development of its API and MCP Platform. This position is open in Reston, VA or Somerville, MA. Role overview This role centers on leading technical projects that define the future of Hatchit's API and MCP platforms. The Lead Principal Engineer will set direction, make key architectural decisions, and ensure the platform evolves to meet market needs. What you will do Direct the design and execution of technical projects for the API and MCP platforms. Collaborate with engineering, product, and operations teams to create and deliver API solutions. Develop and enhance platform features to support company growth and adapt to changing requirements. Focus on optimizing system reliability, scalability, and user experience. Collaboration This position works closely with cross-functional teams to align technical solutions with business objectives, ensuring both internal stakeholders and users receive value from the platform.

Apr 24, 2026
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Agile Defense logo
Full-time|On-site|Reston, VA

Join Agile Defense, where we believe that proactive action shapes the future, and tackling new challenges leads us to innovative solutions. We strive to anticipate future needs and bravely embrace change, forging ahead with the determination to construct what lies ahead.Our mission is to enhance adaptive innovation in support of our nation's critical missions through the seamless integration of cutting-edge technologies, exceptional talent, and unmatched agility. We are committed to utilizing our strengths in speed, flexibility, and creativity to fortify and safeguard our nation's essential interests.Requisition #: 1434Job Title: Threat Hunt LeadLocation: Reston, VAClearance Level: TS (SCI Eligible)Required Certification(s): GIAC, GCIH or CEHSUMMARYAgile Defense is on the lookout for a highly skilled Threat Hunt Lead to bolster USG enterprise cybersecurity initiatives, providing around-the-clock Cybersecurity Operations Center (SOC) services. We seek candidates with varied expertise in cybersecurity systems operations, analysis, and incident response to ensure the integrity and resilience of critical operations. Excellent written and verbal communication skills are essential. The ideal candidate will possess a strong background in cyber threats and information security, with knowledge in Tactics, Techniques, and Procedures (TTPs), Threat Actors, Campaigns, and Observables. Responsibilities will include threat analysis, developing detection content, malware analysis, supporting incident response, and acting upon Cyber Threat Intelligence. Proficiency in multiple cyber disciplines is preferred.JOB DUTIES AND RESPONSIBILITIESLead threat hunting initiatives across expansive enterprise environments, utilizing cyber threat intelligence (CTI) to formulate TTP or hypothesis hunts. Collaborate with detection engineering, incident response, and asset owners to validate and address findings. Plan, schedule, and execute hunts based on adversary tactics, techniques, and procedures (TTPs); navigate through host, cloud, and network telemetry to identify unknown threats. Develop and interpret detection mechanisms and analytics, coordinating remediation efforts with asset owners and incident response teams. Effectively communicate significant findings to USG leadership; maintain a prioritized hunt backlog and monitor success metrics.QUALIFICATIONSRequired Certifications: GCIA, GCIH or GFCA OR CEHEducation, Background, and Years of Experience: Bachelor's degree in Computer Science, Engineering, STEM, Information Technology, or Cybersecurity.ADDITIONAL SKILLS & QUALIFICATIONSRequired Skills: A minimum of five (5) years of experience as a Tier 3 senior cyber threat hunt analyst performing threat analysis and incident response.

Feb 19, 2026
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Anduril Industries logo
Full-time|$146K/yr - $194K/yr|On-site|Reston, Virginia, United States

Anduril Industries, a pioneering defense technology firm, is dedicated to revolutionizing military capabilities for the United States and allied nations through advanced technological innovations. By integrating the expertise and business models of the most forward-thinking companies of the 21st century into the defense sector, Anduril is reshaping the design, manufacturing, and distribution of military systems. Our systems are powered by Lattice OS, an AI-driven operating system that transforms countless data streams into a real-time, 3D command and control center. In an era marked by strategic competition, Anduril is steadfast in its commitment to delivering cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technologies to the military within months rather than years.WHAT IS AIS?Anduril Intelligence Systems (AIS) is committed to establishing Anduril as the premier provider of specialized engineering and products tailored for Intelligence Community (IC) customers. Our focus lies in collaborating with the IC to comprehend their needs, shape their operational concepts, and deliver outstanding capabilities that address their most urgent national security challenges.ABOUT THE JOBWe are on the lookout for a dynamic Lead Customer Trainer to architect, lead, and expand our customer-facing instructional team. In this key leadership position, you will be tasked with defining and implementing a comprehensive training strategy that empowers our varied customer base—including military, government agencies, and commercial clients—to achieve operational excellence and fully realize the benefits of Anduril's cutting-edge hardware and software solutions.You will mentor and develop a high-performing team of technical trainers, enabling agile and scalable instruction both in the Washington DC Metro Area and at CONUS and OCONUS locations. This role requires extensive experience in training technical subjects, preferably with U.S. Government entities, along with strong engineering expertise. You will also act as a vital liaison between instructional designers, product and engineering teams, and instructors, focusing on the continuous enhancement of training content and delivery to promote customer adoption.If you have a passion for transforming national security capabilities through state-of-the-art technology and for equipping end-users with the knowledge and skills necessary to thrive in high-stakes environments, we invite you to apply!WHAT YOU'LL DOStrategic Leadership & Team Management:Develop and grow technical training teams for customers supporting Anduril’s product roadmap, business objectives, and customer success.

Mar 25, 2026
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Anduril Industries logo
Full-time|$146K/yr - $194K/yr|On-site|Reston, Virginia, United States

Anduril Industries is at the forefront of defense technology, dedicated to revolutionizing military capabilities for the U.S. and its allies through cutting-edge innovations. By integrating the advanced expertise, technology, and business models of today's leading companies into the defense sector, Anduril is reshaping the design, construction, and sales of military systems. Our suite of systems operates on Lattice OS, an AI-driven platform that transforms vast data streams into a real-time, 3D command and control environment. In an age of strategic competition, Anduril is poised to deliver next-generation autonomy, AI, computer vision, sensor fusion, and networking solutions to military clients with unprecedented speed.WHAT IS AIS?Anduril Intelligence Systems (AIS) aims to establish itself as the premier provider of specialized engineering and products to the Intelligence Community (IC). Our team collaborates closely with the IC to grasp their needs, refine their operational concepts, and deliver exceptional solutions that tackle critical national security challenges.ABOUT THE JOBWe are in search of an innovative Lead Technical Trainer to harmonize product functionalities with user training requirements across Anduril's advanced hardware and software solutions. In this pivotal leadership position, you will ensure our varied clientele—including military, governmental, and commercial sectors—are equipped with a thorough and accessible understanding of our product offerings. You will translate complex technical information into engaging and user-friendly materials for our instructional team, occasionally stepping in as a lead instructor.Your responsibilities will include guiding, mentoring, and developing a team of skilled technical writers, instructional designers, and content strategists, nurturing a culture of creativity, impact, and continuous enhancement. This role necessitates a strategic mindset with a proven history of developing and scaling technical initiatives while adeptly navigating the complexities of defense and intelligence spheres. You will act as a vital connector between our customers, engineering teams, and product development, ensuring our content is of the highest standard and directly influences future product improvements and content requirements.If you are driven by a passion for enhancing national security through exceptional technical communications and empowering users with the knowledge and skills they need to thrive in critical situations, we welcome your application!

Mar 25, 2026
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Accenture Federal Services logo
Cloud Support Deputy Site Lead

Accenture Federal Services

Full-time|$126.3K/yr - $243.1K/yr|On-site|Reston, VA

At Accenture Federal Services, we are dedicated to empowering the U.S. federal government to enhance national security and improve the quality of life for citizens. Our team of over 13,000 professionals is driven by a common goal: to unlock the infinite possibilities of technology and creativity for clients across defense, national security, public safety, civilian, and military health sectors. Become a part of Accenture Federal Services, the technology arm of global Accenture. Acknowledged as one of Glassdoor's Top 100 Best Places to Work, we cultivate a collaborative and supportive environment where you are encouraged to belong, grow, and thrive through hands-on experiences, certifications, and industry training. Join us in driving meaningful, enduring change that propels government missions forward! Job Description: As a key member of the Secure Operations Centers (SOCs) team, the Deputy Site Lead will deliver comprehensive operational support for the Azure core and Office365 platform. This role encompasses five operational workstream teams: Livesite Engineering, Identity Management, Network Management, Tech Ops (Secure workspace operations), and Customer Experience (CXP). Our services will be available 24/7, 365 days a year.

Feb 9, 2026
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Anduril Industries logo
Full-time|$113K/yr - $149K/yr|On-site|Reston, Virginia, United States

Anduril Industries is a pioneering defense technology firm dedicated to revolutionizing military capabilities for the U.S. and its allies through cutting-edge technology. By integrating the innovation, expertise, and business practices of 21st-century leaders in technology, Anduril is fundamentally reshaping how military systems are conceived, developed, and marketed. Our advanced systems are driven by Lattice OS, an AI-enhanced operating system that synthesizes vast data streams into a real-time, 3D command and control interface. As we navigate a new era of strategic competition, Anduril is resolute in delivering state-of-the-art solutions in autonomy, AI, computer vision, sensor integration, and networking technology to our military partners in a matter of months, not years.ABOUT THE TEAMThe Anduril Intelligence Systems (AIS) team is committed to establishing Anduril as a premier supplier of specialized engineering solutions and products tailored for the Intelligence Community (IC). We collaborate closely with the IC to comprehend their specific needs, refine their operational concepts, and provide exceptional capabilities across various challenges. Our goal is to develop and deploy essential solutions that effectively address the most urgent national security demands of our clients.ABOUT THE JOBAs the Lead Technical Writer, you will play a crucial role in collaborating with engineering project teams to capture and document technical artifacts. Your responsibility will be to produce clear, accurate, and accessible documentation for both internal stakeholders and external customers. You will engage closely with engineers and subject matter experts to navigate the complexities of project lifecycles, identify knowledge gaps, and utilize documentation to bridge those gaps. This may involve editing materials crafted by engineers or synthesizing specific contributions from the engineering team into comprehensive documents. In this capacity, you will help elevate the standard for tone, voice, and quality in our written communications.Given Anduril’s focus on defense and national security, your documentation will be vital in ensuring that front-line operators are empowered to effectively utilize the “arsenal of democracy.” Your mission is to streamline the learning process for understanding and operating our systems by delivering exceptionally well-crafted and presented documentation.Additionally, you will identify key stakeholders and guide them through a structured documentation roadmap, establishing critical milestones and objectives. This role requires a deep understanding of engineering processes and the ability to translate complex technical details into user-friendly documentation.

Mar 11, 2026
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Speechify logo
Full-time|Remote|Reston, VA, USA

About Speechify Speechify builds text-to-speech tools that help people overcome reading barriers. More than 50 million users rely on our technology to turn PDFs, books, Google Docs, and web articles into audio. Our products help people read faster, remember more, and make learning more accessible. The Speechify lineup includes an iOS app, Android app, Mac app, Chrome extension, and web app. We have earned recognition from Google as Chrome Extension of the Year and from Apple as App of the Day. Team and Culture Our fully distributed team includes nearly 200 people working remotely. Colleagues come from a range of backgrounds, including engineers and AI researchers from Amazon, Microsoft, and Google, as well as graduates of top PhD programs and founders of startups. We value a flat structure where technical skill and results matter most, and everyone can step into leadership based on merit. About the Role This Tech Lead position focuses on our Web Core Product and Chrome Extension. The role suits strategic thinkers who enjoy shaping products that make a real difference. Experience building engaging user experiences is important, as is the ability to make product decisions that resonate with users. Success in this role depends on a strong work ethic, clear communication, and a drive to deliver results. The environment rewards those who take initiative and demonstrate technical excellence. Interview Process Our hiring process moves quickly. Candidates typically complete several technical interviews within one week. Location This role is listed for Reston, VA, USA, but the team works fully remotely.

Apr 20, 2026
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Abercrombie & Fitch Co. logo
Full-time|On-site|Reston

Join Hollister as a Key Lead at the Dulles Town Center and be part of a dynamic team that embodies the spirit of California. As a Key Lead, you will play a crucial role in driving sales and providing exceptional customer service. You will assist in the training and development of associates while ensuring that store operations are running smoothly.

Apr 7, 2025
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Agile Defense logo
Full-time|On-site|Reston, VA

At Agile Defense, we believe that decisive action shapes outcomes, and that new challenges necessitate innovative solutions. Our forward-thinking approach embraces change and inspires us to prepare for the future.Our mission is to deliver adaptive innovation that supports our nation's critical missions through the seamless integration of cutting-edge technologies, exceptional talent, and unmatched agility. We leverage a foundation of speed, flexibility, and creativity to safeguard our nation’s essential interests.Requisition #: 1437Job Title: Cyber Threat Intelligence LeadLocation: Reston, VAClearance Level: TS (SCI Eligible)SUMMARYAgile Defense is in search of a highly skilled and hands-on Cyber Threat Intelligence Lead. This role requires advanced expertise in cyber threat analysis to develop and manage cybersecurity capabilities for a Cybersecurity Operations Center (CSOC) serving a variety of federal clients. The ideal candidate will possess a diverse background in cybersecurity systems operations, cyber intelligence analysis, and digital forensics. Excellent written and verbal communication skills are essential. A solid understanding of cyber threats, including tactics, techniques, and procedures (TTPs), threat actors, campaigns, and observables is crucial. Additionally, the candidate should have professional experience in cyber intelligence analysis at both unclassified and classified levels, including intrusion set/nation-state attribution, intrusion detection systems, intrusion analysis, security information event management platforms, endpoint threat detection tools, big data analytics, and cyber ticketing management.JOB DUTIES AND RESPONSIBILITIESThe Cyber Threat Intelligence Lead will oversee the collection, analysis, production, and integration of cyber threat intelligence into CSOC detection and response workflows. This role requires maintaining continuous situational awareness and contextual understanding of threat actors, their tactics, techniques, and procedures (TTPs), and current campaigns to inform the development of detection content and cyber hunting strategies. The candidate will produce actionable intelligence reports, indicators of compromise (IOCs), and early-warning assessments to support CSOC operations. Collaboration with detection engineering and threat hunting teams is essential to drive the creation of signatures, rules, queries, and detection content. The candidate will also track threat actors, trends, and metrics comprehensively and provide timely and tailored strategic, tactical, or metrics-based reports to clients.

Feb 19, 2026

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