GNC Engineer - Attitude Determination and Control Systems

About LynkLynk is the pioneering force behind satellite direct-to-standard phone technology, known as sat2phone, and holds the unique commercial license from the FCC to operate a commercial sat2phone system. Our innovative technology enables subscribers of mobile network operators to send and receive text messages from space, utilizing standard, unmodified m…

About LynkLynk is a pioneering company that has developed satellite direct-to-device (D2D) technology, holding the unique commercial license from the FCC to operate a D2D system. Our innovative service enables mobile network operators to allow their subscribers to send and receive text messages to and from space using standard mobile devices, without any modifications. Proven across all seven continents and with regulatory approvals in over 30 countries, Lynk is actively deploying its services globally, supported by commercial contracts with more than 40 mobile network operators covering approximately 50 countries.Our mission is to connect all 8 billion people on the planet, ensuring that everyone can communicate using the phones they already have. This role at Lynk offers the chance to make a direct impact on billions of lives, helping to bridge the digital divide, alleviate poverty, and contribute to saving lives.Job Summary:As a GNC & Astrodynamics Engineer at Lynk, you will play a critical role in defining, developing, and implementing orbital dynamics strategies and tools for our Low Earth Orbit satellite constellation. You will be responsible for creating automated 'autopilot' systems to maintain satellite positioning and avoid debris, all without human intervention. As an expert in the field, you will develop collision avoidance tools and strategies while contributing to constellation-level system analyses and the design and analysis of next-generation Lynk satellites.This position offers technical leadership opportunities, allowing you to shape our orbital strategy as the subject matter expert (SME). Initially, you will not manage a large team, but as Lynk grows, this role may evolve into a principal or team lead position.We seek an expert in astrodynamics who is ready to move beyond legacy STK scripts and build a modern, scalable orbital dynamics suite from the ground up. Unlike traditional programs, this role will directly influence the operational behavior of satellites in orbit, with feedback loops measured in days, not years.Ideal Candidate:Engineers who enjoy being involved in real operational decisionsInnovators who prefer to build and design new systems

Join the innovative team at XMSTART as an Operations Systems Engineer, where you'll play a crucial role in a dynamic space program located in Chantilly, VA. In this exciting position, you will have the opportunity to acquire and deploy next-generation space assets, including pioneering satellite constellations equipped with cutting-edge technology. This mission-driven role allows you to make a significant impact on our nation's capabilities while collaborating with a dedicated team focused on achieving mission success.We are seeking a candidate with a robust background in operations, particularly in satellite operations. You should possess exceptional problem-solving abilities, creativity, and a proactive approach, with a commitment to going above and beyond in a fast-paced NRO System Program Office environment.If you are passionate about shaping the future of space technology and thrive in a mission-oriented atmosphere, this team is the perfect fit for you! Please note that this position is 100% Onsite.

Join BryceTech as a Space Systems Engineer, where you will play a pivotal role in the design, development, and integration of advanced space systems. Collaborate with a dynamic team of engineers and scientists to push the boundaries of space exploration and technology. Your contributions will directly impact critical missions and projects that shape the future of space endeavors.

ABOUT ROCKET LABRocket Lab is a pioneering space enterprise committed to providing end-to-end launch services, comprehensive spacecraft design, manufacturing capabilities, and payload solutions. Our mission is to enhance access to space, enabling vital scientific exploration, Earth observation, climate change initiatives, national security operations, and innovative technology demonstrations.Our Electron rocket ranks as the second most frequently launched U.S. rocket annually, successfully delivering over 230 satellites to orbit. In parallel, we are advancing the development of Neutron, our upcoming medium-lift reusable launch vehicle designed for larger satellite constellation deployments. Our Space Systems division is responsible for designing and manufacturing a diverse range of satellites and payload components, including those selected for NASA missions to the Moon and Mars, as well as components utilized in the James Webb Space Telescope.SPACE SYSTEMSAt Rocket Lab, we are not just launching rockets; we are shaping the future of space exploration. Our Space Systems team is dedicated to developing everything from complete spacecraft to precision payloads and the critical components that enable them to thrive in the harsh environment of space. This includes solar panels, flight software, star trackers, optical systems, and radios.Our team has facilitated over 1,700 missions, encompassing interplanetary exploration, in-space manufacturing, and national security projects. We have collaborated with esteemed partners, including NASA, the Space Development Agency, and the U.S. Space Force, to build spacecraft and components that support missions to the Moon and Mars. Whether it's a single high-performance spacecraft or a constellation of satellites, our world-class Space Systems team empowers some of the most ambitious space missions on the planet.SYSTEMS ENGINEER II - SECRET CLEARANCEIn Rocket Lab's Optical Systems division, we tackle mission-critical challenges related to the space domain and provide Intelligence, Surveillance, and Reconnaissance (ISR) solutions for Department of Defense (DoD) and Intelligence Community (IC) clients. Our vision is to revolutionize...

Company Overview:Lynk is a pioneering leader in satellite direct-to-device (D2D) technology, holding the unique distinction of being the only company with a commercial D2D license from the FCC. Our innovative service empowers mobile network operators to enable their subscribers to send and receive text messages directly to and from space using standard, unmodified mobile devices. Our technology has been successfully tested across all seven continents and has garnered regulatory approvals in over 30 countries. Currently, we are on the path to commercial deployment, supported by over 40 contracts with mobile network operators spanning approximately 50 countries.At Lynk, we believe in connecting every individual on the planet—over 8 billion people—using the phones they already have. Our mission extends beyond connectivity; it aims to uplift millions from poverty and save countless lives.Job Summary:As a Satellite Operations Engineer at Lynk, you will play a critical role in maintaining the operational integrity and safety of our Low Earth Orbit (LEO) satellite constellation. Your key responsibilities include performing technical reviews and assessments of satellite telemetry, analyzing performance trends, leading investigations into anomalies, conducting technical trades that influence satellite operations, and developing operational concepts and strategies. You will also oversee satellite launches and initial operational phases, while contributing to the enhancement of data analysis tools and operational workflows.Working closely with the Principal Satellite Operations Systems Engineer, you will engage in system-level investigations and contribute to the strategic direction of our operations. This position requires a strong technical background, and the ideal candidate will be adept at navigating ambiguity to develop a clear understanding of system behaviors and operational methods.Core Responsibilities:Conduct daily reviews of satellite telemetry data and alarms to ensure the health and performance of the satellite constellation.Lead end-to-end anomaly investigations, from detection through root cause analysis to corrective actions, implementing long-lasting solutions.Participate in technical trades to optimize operations, taking into account various operational factors.

Join BryceTech as a Lead Systems Engineer specializing in Modeling, Simulation, and Analysis. In this pivotal role, you will drive innovative solutions and lead a team of skilled engineers to create cutting-edge models and simulations that enhance system performance and reliability. Your expertise will be crucial in analyzing complex systems, ensuring they meet both technical and operational requirements.As a Lead Systems Engineer, you will collaborate closely with cross-functional teams, engage in problem-solving activities, and contribute to strategic planning. Your contributions will help shape the future of our engineering efforts and deliver exceptional value to our clients.

Company OverviewWith a legacy of over 25 years, Edgesource Corporation stands out as a leading technology service provider, catering to the needs of the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), U.S. Intelligence Community, Law Enforcement, and various federal, state, and commercial clients both domestically and internationally. We pride ourselves on delivering tailored technical solutions that bolster the DOD's Counter Unmanned Aerial Systems (CUAS) mission and combat critical cybersecurity threats in collaboration with the DHS Cybersecurity & Infrastructure Security Agency (CISA). Joining Edgesource means engaging in work that is not just meaningful but also impactful.Position OverviewAs a Senior Systems Engineering Subject Matter Expert, you will lead engineering teams in adopting a multidisciplinary approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, service development, integration, testing and evaluation, maintainability, and analysis across the National System of Geospatial-Intelligence (NSG), Allied System of Geospatial-Intelligence (ASG), and various Federal Agencies, ensuring the delivery of timely and precise GEOINT services.Job DutiesMentor mid-level and junior systems engineers in executing requirements engineering, solutions engineering, scheduling, reliability, resiliency, service development, integration, testing and evaluation, maintainability, and analytical tasks across NSG, ASG, and Federal Agencies.Oversee the planning, analysis, and traceability of user requirements and system architectures, while identifying opportunities to enhance existing systems and evaluating cloud service capabilities and scheduling constraints.Guide the development of solution designs by mid-level and junior engineers based on rigorous analysis of requirements and emerging technologies.Assist the Government in transforming mission and customer requirements into actionable systems and capability solutions.Support the analysis and allocation of requirements to systems architecture components and executing programs.Conduct systems integration activities.Lead Analysis of Alternatives (AoAs), Course of Action (CoAs), Trade Studies, and Engineering Assessments.Provide strategic technical planning, project management, performance engineering, risk management, and interface design support to the Government.

Job Title: Windows System EngineerLocation: Chantilly, VA or King of Prussia, PAClearance Required: Active Top Secret / SCIEmployment Type: Full-TimeOverviewWe are on the lookout for a talented Windows System Engineer proficient in Citrix administration to enhance our secure and mission-critical IT operations in a classified environment. The ideal candidate will possess extensive experience in Windows server management, virtualization, system optimization, and security compliance, demonstrating a solid track record in managing and supporting enterprise-level Citrix environments.Key Responsibilities- Administer, configure, and maintain Windows Server environments (2016, 2019, or later) in alignment with security and operational standards.- Manage, monitor, and troubleshoot Citrix infrastructure including Citrix Virtual Apps and Desktops, StoreFront, and Citrix Director.- Implement and maintain Active Directory (AD), Group Policy, and DNS/DHCP configurations.- Apply DISA STIGs, security patches, and system hardening procedures to ensure compliance with DoD and organizational standards.- Support virtualized environments (VMware or Hyper-V) and assist with storage and network integrations.- Conduct system monitoring, backup, and recovery operations to guarantee high availability and resilience.- Collaborate with cybersecurity teams to maintain compliance with RMF and security baseline requirements.- Provide Tier 2/3 support for escalated system and user issues related to Windows or Citrix systems.- Document configurations, changes, and procedures per organizational policies.Required Qualifications- Active Top Secret / SCI Clearance (TS/SCI)- 5+ years of hands-on experience as a Windows Systems Engineer or Systems Administrator.- Strong experience in Citrix administration (Citrix Virtual Apps and Desktops, Citrix Studio, Citrix Director, StoreFront).- Proficiency in Windows Server management, Active Directory, Group Policy, and PowerShell scripting.- Experience with VMware or Hyper-V virtualization platforms.- Familiarity with DoD security standards, STIGs, and RMF compliance processes.- Excellent troubleshooting, documentation, and communication skills.Preferred Qualifications- Citrix certifications (e.g., CCA-V, CCP-V, or CCE-V).- Microsoft certifications such as MCSA or MCSE.- Experience supporting environments within a DoD, Intelligence Community, or federal contractor setting.- Familiarity with SolarWinds, SCCM, WSUS, or similar management tools.

About Redhorse Corporation Redhorse Corporation delivers data insights and technology solutions that support U.S. national interests. The team values professionals who bring technical skill, reliability, and a commitment to supporting complex, high-stakes missions for government clients. Role Overview The Systems Engineer will help shape how government organizations manage and protect their data. This role centers on building a new IT application to automate data access requests, with a focus on secure and efficient handling of sensitive information. Key responsibilities include designing and implementing systems that protect Personally Identifiable Information (PII) and Protected Health Information (PHI). The work demands precision and a strong sense of accountability, with direct impact on the security and efficiency of data access processes across Redhorse projects and clients. Location Chantilly, VA

About UsFor over 25 years, Edgesource Corporation has been at the forefront of technology solutions, proudly serving critical clients such as the Department of Defense (DOD), Department of Homeland Security (DHS), and the U.S. Intelligence Community. Our focus ranges from specialized technical solutions for the DOD's Counter Unmanned Aerial Systems (CUAS) to tackling significant cybersecurity challenges alongside the DHS Cybersecurity & Infrastructure Security Agency (CISA). Join Edgesource to engage in work that matters and make a genuine impact.Role SummaryAs a Mid-Level Systems Engineer, you will adopt a multi-disciplinary approach to requirements engineering, solutions engineering, and various other crucial aspects across the National System of Geospatial-intelligence (NSG) and Federal Agencies, ensuring the delivery of timely and precise GEOINT.Key Responsibilities- Lead requirements engineering and solutions engineering efforts across the NSG and ASG.- Plan and analyze user requirements, and develop strategies to enhance existing systems while assessing cloud service capabilities.- Design innovative solutions based on thorough analyses of requirements and emerging technologies.- Collaborate with government teams to translate mission needs into actionable systems requirements.- Aid in the allocation of requirements to architecture components and program execution.- Conduct systems integration tasks and assist with Analysis of Alternatives (AoAs) and engineering assessments.- Support strategic technical planning, project management, and performance engineering.

Join CGS Federal as a CommVault Systems Engineer specializing in Data Protection and Backup solutions.Employment Type: Full-Time, ExperiencedDepartment: Technology SupportWe are in search of a skilled CommVault Data Protection Engineer who possesses a deep understanding and hands-on experience in architecting, developing, configuring, implementing, testing, troubleshooting, deploying, and maintaining backup and recovery solutions tailored for a large-scale federal government environment.At CGS, we unite passionate, talented, and innovative professionals to tackle the most pressing challenges faced by the government using advanced technology. Our mission is driven by individuals who are eager to enhance government functions, thrive in collaborative settings, and anticipate the needs of our clients. We provide a supportive atmosphere that fosters professional development and many opportunities for learning and growth.Key Skills and Responsibilities:- Design, develop, configure, and secure intricate backup, recovery, and storage solutions across wide area networks (WAN) in multifaceted environments, from single servers to extensive multi-tier, multi-platform configurations utilizing CommVault enterprise solutions.- Establish and sustain effective backup, restoration, and redundancy protocols for essential data, including primary and auxiliary copies as well as VM-based backups. Engage in regular maintenance activities for the backup and recovery infrastructure.- Diagnose and resolve complex issues related to backup and recovery, encompassing networking, application, server, hardware, and appliance challenges.- Deliver analytics, usage tracking, capacity planning, and comprehensive reporting within the CommVault management and monitoring framework.- Implement advanced solutions and strategies to enhance data protection and recovery processes.

XMSTART is actively seeking a knowledgeable and strategic Systems Engineer to join our dynamic team in Chantilly, VA. This is a 100% Onsite position. As a Systems Engineer, you will leverage your expertise to support the planning, analysis, testing, and implementation of Business Continuity Planning (BCP), Continuity of Operations (COOP), and resilience strategies.

Accenture Federal Services supports U.S. federal agencies by delivering technology solutions that strengthen national security and improve public services. With a team of over 13,000 professionals, the company works across defense, public safety, civilian, and military health sectors. As part of the global Accenture network, Accenture Federal Services has earned recognition as a Glassdoor Top 100 Best Place to Work and emphasizes collaboration, inclusion, and ongoing professional development. Role overview This Systems Engineer position is based in Chantilly, VA. The role centers on supporting government projects by designing, building, and maintaining scalable technology solutions using modern cloud services and frameworks. What you will do Design and implement Java microservices using C#, Spring Boot, Hibernate, REST, and gRPC. Develop scalable cloud-based services on AWS, including SQS, SNS, Lambda, SWF/Step Functions, and cloud-native frameworks. Join architecture and design reviews, multi-module planning, and solution development discussions. Research, prototype, and analyze feasibility for new features and modernization efforts. Design and enhance PostgreSQL-backed data services and schemas. Develop and manage CI/CD pipelines with Jenkins, Maven, Git, and GitLab. Containerize and deploy applications using EKS, Docker, and Kubernetes. Create and run unit, integration, and system tests with JUnit 5; support release and beta testing. Troubleshoot performance, reliability, and integration issues across the technology stack. Collaborate with architects, project managers, and clients on requirements, demonstrations, installations, and solution alignment. Document APIs, architecture diagrams, deployment processes, and runbooks. Provide technical leadership, mentoring, and share knowledge with team members. Participate in SAFe Agile ceremonies and contribute to continuous improvement initiatives.

About LynkLynk is pioneering satellite direct-to-device (D2D) technology and proudly holds the world's only commercial license from the FCC for operating a commercial D2D system. Our groundbreaking service enables mobile network operators' subscribers to effortlessly send and receive text messages to and from space using standard, unmodified mobile devices. Lynk’s technology has undergone extensive testing on all seven continents, achieving regulatory approvals in over 30 countries, and is currently being deployed commercially, backed by more than 40 contracts with mobile network operators across approximately 50 countries.Our mission is to ensure that all 8 billion people globally can stay connected through the standard phone in their pocket, no matter where they are. By joining Lynk, you'll have a chance to directly impact billions of lives and contribute to pulling countless individuals out of poverty, while potentially saving lives.Job Summary:We are looking for a dedicated Flight Controller to join our expanding Mission Operations team. In this pivotal role, you will oversee daily satellite and ground system operations, which involve managing live satellite contacts, executing commanding procedures, responding to alerts and anomalies, and ensuring system health across our satellite constellation and ground station network.This hands-on operational position emphasizes ownership of real-time operations on console, guaranteeing the safe, reliable, and repeatable operation of Lynk’s satellite network. You will work closely with Flight Operations Engineers and other specialists in a mission-critical setting.As part of a team that supports around-the-clock operations, Flight Controllers are expected to engage in shift work, including nights, weekends, and holidays, as part of a rotating schedule to ensure continuous coverage of the satellite constellation and ground segment.This position is especially suited for candidates with prior operations center experience (e.g., military satellite control, ground station operations, or air traffic control) who are eager to be part of a dynamic system where tools, processes, and procedures are actively being developed and refined. Candidates should be adept at operating within structured procedures while being flexible to adapt to evolving tools, processes, and operational environments.Core Responsibilities:Satellite Contact Operations: Execute satellite commanding sessions using Lynk’s command and control software tools in accordance with established procedures.

Join Relais & Châteaux as a Room Controller / Reservation Supervisor, where you will play a crucial role in ensuring exceptional guest experiences. You will oversee room assignments, manage booking systems, and collaborate closely with the front office and housekeeping departments to optimize operations.

Company OverviewFor over 25 years, Edgesource Corporation has been at the forefront of technological innovation, providing exceptional services to the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, Law Enforcement, and various federal, state, and commercial clients both domestically and internationally. Our commitment to delivering bespoke technical solutions has made significant contributions to the DOD Counter Unmanned Aerial Systems (CUAS) mission and has strengthened defenses against critical Cybersecurity threats in collaboration with the DHS Cybersecurity & Infrastructure Security Agency (CISA). Joining Edgesource means engaging in meaningful work that makes a difference.Position OverviewAs a Senior Systems Integrator, you will play a pivotal role in supporting the Government by managing the integrity of the NSG/ASG systems-of-systems enterprise. This position involves leading the planning, implementation, testing, documentation, and maintenance of solutions across cloud, on-premise, and hybrid services utilizing established processes and tools.Job Duties· Lead and execute systems integration activities across NSG, ASG, and Federal Agencies to assure timely and precise GEOINT delivery.· Oversee a comprehensive systems perspective, understanding the interplay between cloud, on-premise, and hybrid services, along with infrastructure and security domains.· Manage the preparation of engineering plans and technical design packages for site installations.· Mentor and guide the efforts of Mid- and Junior-level contractor Systems Integrators.

We are seeking a dedicated and skilled Senior System Administrator to join our dynamic team at Iomaxis LLC. In this vital role, you will be responsible for managing and optimizing our IT infrastructure, ensuring seamless operations, and supporting various system-related projects. If you have a passion for technology and a strong problem-solving ability, we want to hear from you!

Join CGS Federal as an IT Systems ArchitectEmployment Type: Full-Time, Mid-LevelDepartment: Information TechnologyAs a Lead IT Systems Architect at CGS Federal, you will be instrumental in spearheading multiple teams of developers, subject matter experts, and stakeholders to transform business requirements, process workflows, and use cases into fully operational applications. You will leverage an enterprise-level vision and be accountable for mentoring and empowering the application development teams. In your role as a PEGA Architect, you will assist in developing and reviewing technical deliverables. An ideal candidate will possess the ability to establish standards, create repeatable processes, and design reusable components. A pivotal aspect of this position includes assisting in project planning, which encompasses developing timelines, composing technical teams, and optimizing resource allocation.At CGS, we unite motivated, highly skilled, and innovative individuals to tackle the government’s most pressing challenges through cutting-edge technology. We are on the lookout for candidates eager to contribute to government innovation, value collaboration, and can anticipate the needs of others. Our supportive environment encourages professional growth through various learning opportunities.Key Skills and Attributes for Success:- Serve as the liaison between the Lead Business Architect and the ITO PEGA teams, with the capacity to translate between technical and non-technical team members.- Collaborate closely with Business Product Owners and Stakeholders, along with Lead Business Analysts to convert business requirements into applications.- Engage in Agile software development sprints and sprint planning events.- Define solution acceptance criteria and support software testing efforts.- Publish software release notes and maintain other product documentation.- Mentor Software Development team members as required.- Participate in and provide support to customer success teams.- Capture functional software requirements and translate them into user stories.Qualifications:- Bachelor’s Degree in Computer Science or a related field.- A minimum of 4 years of experience working with PEGA Smart BPM.

Join our dynamic team as an Associate Program Control Analyst in Chantilly, VA. In this role, you will support program management activities by conducting financial analysis, tracking project performance, and assisting in the preparation of reports. You will be an integral part of our operations, ensuring that projects are completed on time and within budget. Candidates with a keen eye for detail and a passion for analysis are encouraged to apply.