Incident Response Expert IV

ArsiemArlington, VA

On-site Full-time

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Experience Level

Experience

Qualifications

Proven experience in incident response and digital forensics. Strong knowledge of threat detection tools and methodologies. Excellent analytical and problem-solving skills. Ability to work effectively in high-pressure situations. Certifications such as CISSP, CISM, or GCIH are preferred.

About the job

Join our team at Arsiem as an Incident Response Expert IV, where you will play a pivotal role in safeguarding our clients' digital environments. As a leader in incident response, you will leverage your expertise to analyze, mitigate, and respond to security incidents effectively. Your insights will not only protect valuable data but also enhance our overall security posture.

We are looking for a proactive individual who is passionate about cybersecurity and possesses a robust understanding of threat landscapes. You will collaborate with cross-functional teams to develop and implement incident response strategies, conduct forensic investigations, and continuously improve our security frameworks.

About Arsiem

Arsiem is a renowned leader in cybersecurity solutions, dedicated to providing innovative security services that protect organizations from evolving threats. Our commitment to excellence and our team's expertise make us a trusted partner for companies looking to enhance their security measures.

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Incident Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationARSIEM Corporation is dedicated to building a reliable and trusted partnership with our government clients. We offer exceptional support to various agencies throughout the United States Government. Our seasoned workforce comprises skilled professionals who are committed to delivering top-notch support.As demand grows, ARSIEM is proud …

Dec 5, 2025

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Incident Manager III

Arsiem

Full-time|On-site|Arlington, VA

Join Arsiem as an Incident Manager III, where you will play a pivotal role in managing and resolving incidents efficiently to ensure seamless operations. You will be part of a dedicated team that thrives on problem-solving and operational excellence.

Feb 24, 2026

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Cyber Incident Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationAt ARSIEM Corporation, we prioritize building trusted partnerships with our government clients. We offer a range of support to various agencies across the United States Government. Our workforce comprises skilled professionals dedicated to delivering exceptional support.As the demand for our services grows, ARSIEM remains committed to providing innovative and reliable technical solutions that offer maximum value to our clients. This environment fosters a career filled with opportunities for growth and the chance to make a significant impact on the clients we serve.We are seeking a Cyber Incident Manager III to join our team in Arlington, VA. In this role, you will provide on-site incident response to civilian government agencies and critical asset owners facing cyber attacks, ensuring prompt investigation and resolution of incidents. This position presents an exciting opportunity to contribute to our mission of safeguarding our clients' cyber infrastructures.

Nov 5, 2025

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Incident Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

Join ARSIEM CorporationARSIEM Corporation is dedicated to building strong and reliable partnerships with our government clients. We offer exceptional support to various agencies across the United States Government. Our team consists of highly skilled professionals who are passionate about delivering top-notch services.As we expand our reach, ARSIEM remains committed to providing innovative and dependable technical solutions while ensuring the best value for our clients. This growth translates into numerous opportunities for career advancement and the chance to make a significant impact in your role.We are seeking an Incident Manager III to support our esteemed government clients in Arlington, VA.

Nov 5, 2025

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Incident Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationARSIEM Corporation is dedicated to building reliable and trusted partnerships with our government clients. We provide exceptional support to various agencies across the United States Government. Our workforce comprises highly qualified professionals committed to delivering top-notch support to our clients.As demand for our services grows, ARSIEM remains at the forefront by offering innovative and dependable technical solutions that deliver the best value to our clients. This commitment translates into a career filled with opportunities for professional growth and the chance to make a significant impact in every engagement.We are currently seeking an Incident Manager III to support one of our government clients in Arlington, VA.

Nov 5, 2025

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Incident Manager II

Arsiem

Full-time|On-site|Arlington, VA

We are seeking a skilled Incident Manager II to join our dynamic team at Arsiem. In this role, you will be responsible for managing incidents effectively to ensure minimal disruption to operations. You will work closely with cross-functional teams to analyze incidents, implement solutions, and enhance overall incident management processes.

Mar 10, 2026

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Incident Response Expert III

Arsiem

Full-time|On-site|Arlington, VA

As an Incident Response Expert III at Arsiem, you will be pivotal in identifying, analyzing, and mitigating security incidents. You will leverage your expertise to develop and implement effective incident response strategies, while collaborating with cross-functional teams to enhance our security posture.

Apr 3, 2026

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Incident Manager II

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationARSIEM Corporation is dedicated to building trusted partnerships with government clients. We deliver exceptional support to various agencies across the United States Government. Our team of highly qualified professionals is committed to providing top-tier service and innovative solutions.As demand for our services grows, ARSIEM remains at the forefront of delivering reliable and advanced technical solutions that offer the best value to our clients. Join us for a career filled with opportunities for growth and the chance to make a significant impact on every client interaction.We are currently seeking a Cyber Case Manager to support one of our government clients in Arlington, VA.

Nov 5, 2025

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Incident Response Expert IV

Arsiem

Full-time|On-site|Arlington, VA

Join our team at Arsiem as an Incident Response Expert IV, where you will play a pivotal role in safeguarding our clients' digital environments. As a leader in incident response, you will leverage your expertise to analyze, mitigate, and respond to security incidents effectively. Your insights will not only protect valuable data but also enhance our overall security posture.We are looking for a proactive individual who is passionate about cybersecurity and possesses a robust understanding of threat landscapes. You will collaborate with cross-functional teams to develop and implement incident response strategies, conduct forensic investigations, and continuously improve our security frameworks.

Apr 3, 2026

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Cybersecurity Incident Response Triage Analyst

Accenture Federal Services

Full-time|$57.2K/yr - $109.4K/yr|On-site|Arlington, VA

At Accenture Federal Services, our mission is to empower the US federal government to enhance national security and improve the quality of life for its citizens. With a dedicated team of over 13,000 professionals, we leverage technology and innovation to support a variety of clients, including defense, national security, public safety, civilian, and military health sectors. As part of Accenture Federal Services, a technology division of global Accenture, we take pride in being recognized as one of Glassdoor's Top 100 Best Places to Work. Our collaborative and inclusive culture fosters personal and professional growth through hands-on learning, certification opportunities, industry training, and more. Join us in making a meaningful impact and advancing government missions! The WorkThe Cybersecurity Incident Response Triage Analyst will be an integral part of the Cyber Incident Response Team (CIRT) within the Chief Information Security Officer (CISO) organization. This shift-based role involves analyzing, scoping, and triaging alerts and notifications from various sources, including SIEM, security sensors, ticketing systems, and direct communications. A solid technical foundation is necessary for effective collaboration with incident response and operations teams to categorize events as relevant and differentiate true threats from false positives. Familiarity with incident response lifecycles, prevalent cyber threats, and federal reporting requirements is essential.Primary Responsibilities:Monitor and respond to cybersecurity incidents associated with policy violations.Investigate and analyze incidents to assess their nature and scope.Coordinate with team leads and other Cybersecurity Incident Response Teams for effective incident resolution.Thoroughly document incidents and response activities.Stay informed about the latest cybersecurity threats and trends.Contribute to the development and enhancement of incident response strategies and procedures.Collaborate with operations, legal, human resources, and management to investigate security issues and assess true and false positives.

Apr 7, 2026

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Sensitive Activities Policy Staff Officer III

Arlo Solutions LLC

Full-time|On-site|Arlington, VA

Role Overview Arlo Solutions LLC seeks a Sensitive Activities Policy Staff Officer III in Arlington, VA. This role focuses on shaping and executing policies for sensitive activities, ensuring alignment with the organization's objectives. Key Responsibilities Develop and implement policies related to sensitive activities Analyze complex issues and provide clear, strategic guidance Communicate policy decisions and recommendations across teams What We Look For Strong analytical skills for navigating nuanced policy matters Exceptional written and verbal communication abilities Experience handling sensitive or complex organizational issues

Apr 15, 2026

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Cyber Incident Response Team (CIRT) Lead

Accenture Federal Services

Full-time|On-site|Arlington, VA

Join our dynamic Cyber Incident Response Team (CIRT) as the Lead, where you'll spearhead our efforts in managing and mitigating cyber incidents. In this pivotal role, you will leverage your expertise to develop strategic incident response plans, coordinate with cross-functional teams, and ensure the protection of our digital assets. You will be instrumental in enhancing our incident response capabilities and fostering a culture of cybersecurity awareness across the organization.

Mar 31, 2026

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Experienced Host Based Systems Analyst III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

Join the ARSIEM Corporation TeamAt ARSIEM Corporation, we are dedicated to building strong and trustworthy relationships with our government clients. Our team provides exceptional support to various agencies across the U.S. government. With a highly skilled workforce of professionals, we aim to deliver optimal support and innovative solutions.As the demand for our services grows, we continue to offer advanced technical solutions that provide the best value to our clients. This role offers a fantastic opportunity to advance your career and make a significant impact on the clients you serve.Position Overview: ARSIEM is seeking a Host Based Systems Analyst III to join our team. This role will involve providing frontline support for digital forensics and incident response (DFIR), as well as actively seeking out malicious cyber activities. This position will specifically support one of our government clients located in Arlington, VA.

Nov 7, 2025

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Lab Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationARSIEM Corporation is dedicated to building strong and trusted partnerships with our government clients. We deliver exceptional support to various agencies across the United States Government, driven by a team of skilled professionals committed to excellence.With the growing demand for our services, ARSIEM continuously provides innovative and reliable technical solutions, ensuring the best value for our clients. This translates to a career filled with opportunities for growth and the chance to make a significant impact on each client we serve.We are currently seeking a Lab Manager III to support one of our esteemed Government clients in Arlington, VA.

Nov 5, 2025

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Operations Manager III

Arlo Solutions, LLC

Contract|On-site|Pentagon, Arlington, VA

Company OverviewArlo Solutions, LLC is a leading information technology consulting firm dedicated to providing cutting-edge technology solutions. We pride ourselves on our exceptional team and the strong partnerships we build with our clients. Our mission focuses on understanding the unique needs of both our clients and consultants, ensuring we deliver high-quality, value-added solutions that not only enhance operational efficiency but also drive competitive advantage for our customers.Position OverviewThe Operations Manager III will operate as a contractor, providing essential support to the Office of the Under Secretary of War for Intelligence and Security (OUSW(I&S)) Sensitive Activities & Special Programs (SASP).

Mar 5, 2026

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Lab Manager III

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationARSIEM Corporation is dedicated to establishing a reliable and trustworthy partnership with our government clients. We offer exceptional support to various agencies throughout the United States Government. Our workforce comprises experienced professionals committed to delivering unparalleled service.As demand for our services grows, ARSIEM remains at the forefront of providing innovative and reliable technical solutions that deliver the best value to our clients. This translates to a career filled with opportunities for advancement and the chance to make a meaningful impact on every client interaction.We are seeking a proactive Lab Manager III to oversee the implementation, maintenance, and support of our lab network infrastructure. This role will directly support one of our esteemed government clients in Arlington, VA.

Nov 5, 2025

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Management Specialist III (Contract Contingent)

Prosidian Consulting

Contract|On-site|Arlington

Prosidian Consulting is seeking a skilled Management Specialist III to join our dynamic team. This role is focused on managing contingent contracts and ensuring the highest standards of compliance and operational excellence. As a Management Specialist, you will be responsible for analyzing contract requirements, developing strategic plans, and coordinating with various stakeholders to achieve project goals.

May 12, 2015

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Management Specialist III - Contract Contingent

Prosidian Consulting

Contract|On-site|Arlington

As a Management Specialist III, you will play a pivotal role in supporting our clients with strategic management solutions. This contract contingent position requires a proactive individual with a keen understanding of management principles and a commitment to delivering high-quality results. You will collaborate with cross-functional teams, analyze business processes, and implement effective strategies to enhance operational efficiency.

May 12, 2015

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Lab Manager III - Technical Engagement Network

ARSIEM Corporation

Full-time|On-site|Arlington, VA

About ARSIEM CorporationAt ARSIEM Corporation, we pride ourselves on being a trusted partner to our government clients, providing exceptional support across multiple U.S. Government agencies. Our team consists of experienced professionals dedicated to delivering top-tier solutions that meet the evolving needs of our clients.As the demand for advanced technical solutions grows, ARSIEM remains at the forefront of innovation, ensuring we deliver the best value to our clients. This creates a dynamic work environment filled with opportunities for professional growth and the chance to make a significant impact on our client missions.We are currently seeking a Lab Manager III for the Technical Engagement Network. The ideal candidate will have a strong background in Linux, Splunk, and Ansible System Administration. This role will involve supporting the design, development, and deployment of cutting-edge cybersecurity solutions tailored to our customer's environment, while ensuring business continuity and effective support for analysts. This position is based in Arlington, VA.

Nov 5, 2025

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Health Planner III

Canon Design

Full-time|Remote|Arlington, VA; Chicago, IL; Houston, TX; Minneapolis, MN; St. Louis, MO; United States - Remote

Canon Design is looking for a Health Planner III to help shape healthcare spaces that support both patient care and effective operations. This position can be based in Arlington, VA; Chicago, IL; Houston, TX; Minneapolis, MN; St. Louis, MO; or fully remote within the United States. Role overview This role centers on planning and designing healthcare environments. Working with teams from different disciplines, you will contribute to solutions that improve how care is delivered and how facilities function. Collaboration Health Planner IIIs at Canon Design work closely with architects, engineers, and other specialists. The focus is on projects that require creative thinking to meet the needs of patients and healthcare providers. Locations Arlington, VA Chicago, IL Houston, TX Minneapolis, MN St. Louis, MO Remote (United States)

Apr 29, 2026

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