78 system integration test engineer jobs found

Description SAIC is looking for a Modeling and Simulations Engineer with NRO experience who's ready to help shape the next generation of national space capabilities. In this role, you won't just support a rapidly growing Intelligence Community customer - you'll be part of a mission driven team pushing the boundaries of Modeling & Simulation and SETA support for critical NRO programs. This role puts you at the heart of efforts to strengthen the NRO's space resiliency posture - ensuring our nation's most critical space assets remain ready, reliable, and effective. Your work will help shape the technical direction of systems that support national security every single day. If you're energized by solving tough technical problems and want your work to have real operational impact, this is where you can make it happen. Responsibilities may include but are not limited to the following: • Lead system level analysis and performance evaluations that directly inform strategic...

Description SAIC is seeking an A ttitude Control Systems (ACS) Engineer . In this role, you will be responsible for monitoring, tracking, and reporting on progress & issues associated with spaceflight hardware currently in production and test for a classified space program. You will be an integral participant in ACS and mechanical actuator design, requirements development & verification, and unit integration & test for a next generation spacecraft architecture. This role is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph to be considered. Job Duties include, but are not limited to: Review and coordinate changes to specifications, ICDs, and system level requirements documentation for ACS and propulsion subsystems. Track development issues and attend unit, subsystem, system level design reviews. Support launch and spacecraft on-orbit test, as required. Identify and assess emerging risks and develops &...

Description SAIC is seeking a Agile Systems Engineer to fill a critical position on the LANDMARK AOS program in Chantilly, VA. LANDMARK AOS is SAIC's large Prime Systems Engineering and Technical Assistance (SETA) contract, supporting the customer's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. In this role, you will provide enterprise-level systems engineering expertise across cloud-based software development activities, ensuring architectures, requirements, schedules, and technical decisions align with mission needs. You will help shape system capabilities, identify risks and opportunities, and guide engineering rigor across a diverse portfolio of Significant Ground Capabilities (SGCs). Note: Only candidates with a current Top Secret/SCI with Poly will be considered. Key Responsibilities to include: Develop and deliver authoritative systems engineering products, including integration plans,...

Description SAIC is seeking GEOINT Software Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. As the GEOINT Software Systems Engineer, you will guide the development, integration, and delivery of modern GEOINT mission capabilities. You will partner closely with development contractors, mission partners, and senior Government stakeholders to shape architectural direction, ensure engineering rigor, and drive the evolution of scalable, resilient ground-system software. This position supports a broad portfolio of high-visibility initiatives, including evaluation of emerging technologies, definition and baselining of new GEOINT capabilities, transition planning from legacy systems to cloud-native implementations, and full-spectrum systems engineering (architecture,...

Description SAIC is seeking SIGINT Ground Mission Cloud Integration Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. As a SIGINT Ground Mission Cloud Integration Engineer, you will shape how SIGINT data is hosted, processed, and delivered across the modern Ground Enterprise. You'll evaluate and evolve mission-driven architectures spanning hybrid-cloud environments, Kubernetes-based services, CI/CD pipelines, DevSecOps practices, and data-centric engineering approaches. Your work will guide Government leadership through key technical and acquisition decisions, ensuring solutions are scalable, secure, and aligned with enterprise priorities. You will drive cloud modernization efforts, provide unbiased technical assessments, support integration of mission-critical hosting and...

Description oin a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description SAIC is looking for an Outreach Engineer with Space Domain Operations experience in Chantilly, VA to support a very dynamic and innovative space program office in Chantilly, VA. In this position, you will provide technical support, coaching and mentoring Government points of contact (GPOCs) relative to ongoing capability development activities happening across diverse geographically located contractor facilities. You will also be coordinating other scopes of related work such as major program reviews, such as SV Pre-Ship Review (PSR). The job requires knowledge of intelligence processes and plans, excellent communication and collaboration skills, the ability to create unique work products, while having the ability to be strategically proactive. This position requires an active Top Secret/SCI clearance with Polygraph. The Outreach Engineer directly supports the GPOC overseeing Outreach Communication providing critical insight into the prime contractor's execution...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description SAIC is seeking a SIGINT Ground Data Distribution Systems Engineer to support the LANDMARK AOS Prime SETA program in Chantilly, VA. LANDMARK AOS supports the NRO's Ground Enterprise Directorate (GED) and delivers high-impact engineering expertise across the customer's Ground Enterprise. As the SIGINT Ground Data Distribution Systems Engineer , you will provide critical technical and acquisition expertise across the full life cycle of multi-cloud data-distribution capabilities within the NRO's Ground Enterprise Directorate (GED). You will guide Government leadership through key engineering, architectural, and programmatic decisions that shape enterprise-wide data movement and interoperability. As part of the LANDMARK AOS Prime SETA team, you will work with system engineers, developers, mission partners, FFRDC personnel, and SETA teammates to define, deploy, and integrate modern data-distribution services across hybrid-cloud environments. This includes...

Description SAIC is seeking a SIGINT Ground Mission Management Systems Engineer to support the LANDMARK AOS Prime SETA program in Chantilly, VA. LANDMARK AOS supports the NRO's Ground Enterprise Directorate (GED) and delivers high-impact engineering expertise across the customer's Ground Enterprise. As the SIGINT Ground Mission Management Systems Engineer , you will provide critical technical and acquisition leadership across the full life cycle of mission management capabilities within the SIGINT Ground Systems Program Office (SGSPO) . You will help guide Government leadership through complex engineering, architectural, and programmatic decisions that directly influence the evolution of the SIGINT Ground Enterprise. The ideal candidate brings strong experience in SIGINT mission management , agile software development , and enterprise-scale integration . In this role, you will serve as a trusted advisor in shaping, assessing, and implementing mission management...

Description SAIC's Air Force, Space and Intelligence Business Group is growing and looking for innovative, mission-driven professionals to help us advance cutting-edge space capabilities for our Department of Defense (DoD) and Intelligence Community (IC) customers. Embark on a rewarding career just ten miles from SAIC headquarters, as part of our Chantilly, VA team supporting essential programs in systems development, targeting & intelligence analysis, systems engineering & integration, and beyond. We are seeking a Satellite Lead Mission Engineer to serve as a team member on a state-of-the-art space program that continuously operates in all phases of the system lifecycle. In this SETA role, you partner with the Government and SETA Program Manager serving as the Mission Engineer responsible for orchestrating a proven technical team of system engineers and subject matter experts. Over the next year the mission completes unit and subsystem assembly, then begins...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War priorities, combining both proven and first-of-their-kind capabilities that have never been applied in space. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available. SAIC is seeking self-directed leaders who skillfully navigate ambiguity, solve complex challenges, and bring diverse expertise to a dynamic environment focused on delivering capability rapidly. Success here requires adaptability, initiative, and a willingness to wear multiple hats in support of a high impact mission. Candidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental...

Description SAIC is currently seeking a motivated, career and customer-oriented Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA. This position requires on-site work in Ashburn, VA 5 days per week for the first year of employment. Job Responsibilities Working closely with the tech lead and senior developers, the Mid-Level Java Developer will participate in the system architecture design, systems engineering, development, integration testing and validation, and all aspects of the software life-cycle (requirements to design to implementation to test) for a java backend application involving extensive messaging and transaction processing Design and implement Micro Service Architecture for Cloud based software applications. Use modern software engineering tools including Eclipse, Jira, and Atlassian Suites for design, development, and testing the software Present the solution at formal and informal...

Description SAIC's Air Force, Space and Intelligence Business Group is growing and looking for innovative, mission-driven professionals to help us advance cutting-edge space capabilities for our Department of Defense (DoD) and Intelligence Community (IC) customers. Embark on a rewarding career just ten miles from SAIC headquarters, as part of our Chantilly, VA team supporting essential programs in systems development, targeting & intelligence analysis, systems engineering & integration, and beyond. We are seeking a Satellite Subsystem Systems Engineer to serve as a team member on a state-of-the-art space program that continuously operates in all phases of the system lifecycle. In this SETA role, you oversee design, integration, and test of one or more satellite subsystems. Key Responsibilities In this highly collaborative and technically complex position, you will: • Serve as the Government Program Office's focal point for all satellite subsystem development and...

Description SAIC is seeking a Spacecraft Systems Engineer. This position is located in Chantilly, VA and requires an active TS/SCI clearance with Polygraph. The Spacecraft Systems Engineer will support a program office for a Major System Acquisition who requires a mid-career engineer with technical expertise in systems engineering who is anxious to grow their skills. The Spacecraft Systems Engineer may perform but not limited to the following duties: • Provide direct support for major program acquisitions. • Provide a key role in the verification of system level requirements and selloff by the developer within a government program office. • Be part of a team working with both developers and operators after launch for the initialization of multiple satellites on orbit. • Provide operations planning and execution support. • Develop and coordinate operations transition plans for constellation of multiple satellites. • Provides support to anomaly resolution during...

Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making...

Description SAIC is seeking a GNC Aerospace Engineer in Dahlgren, VA. Responsibilities: • Develop, implement, and refine GNC algorithms for guidance laws, control loops, navigation filters, and state estimation. • Support weapon system modeling and simulation, including 6 DOF (six degrees of freedom) simulation environments and subsystem integration. • Perform trajectory analysis, mission performance evaluations, and control system stability assessments. • Develop navigation solutions integrating IMUs, GPS, INS, seekers, and other sensor modalities. • Conduct Monte Carlo analysis, uncertainty modeling, and system performance sensitivity studies. • Implement GNC prototypes in MATLAB/Simulink, Python, C/C++, or equivalent simulation frameworks. • Analyze telemetry, flight test data, and HWIL/SIL outputs to validate system performance. • Support requirements decomposition, interface definition, and subsystem integration with E20 system engineering teams. • Document...

Description SAIC is seeking an Embedded Software Engineer in Dahlgren, VA. Responsibilities • Design, implement, and test embedded software solutions in C/C++ for microcontrollers, real time operating systems (RTOS), or Linux based embedded systems. • Develop firmware and low level drivers to interface with sensors, communication buses, and custom hardware. • Support integration of embedded software with hardware components, including bring up, debugging, and troubleshooting. • Participate in system architecture discussions and assist in defining requirements and design specifications. • Implement secure coding practices and support cyber-hardened embedded software designs. • Conduct unit testing, integration testing, and performance validation. • Analyze system logs, memory usage, and timing behavior to optimize performance. • Create and maintain technical documentation, including design descriptions, interface control documents (ICDs), test procedures, and user...