12 mechanical design engineer jobs found

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 models, test results,...

Description Position Summary The Principal Integration Engineer - Payload leads end-to-end integration of advanced radar and ISR payloads into spacecraft bus architectures. This role requires radar payload integration experience and supports complex interface, verification, and mission integration activities for national security space programs. Key Responsibilities • Lead integration of radar and ISR payloads with spacecraft bus subsystems across electrical, mechanical, thermal, RF, and command/data interfaces. • Develop and manage payload-to-bus interface control documents (ICDs) and verification artifacts. • Execute system-level functional integration, hardware bring-up, and payload performance testing. • Coordinate with systems engineering, RF payload, radar design, and MBSE/digital engineering teams. • Drive integration readiness events including interface reviews, IRRs, environmental test plans, and launch readiness activities. • Perform integration risk...

Description SAIC is seeking a Satellite Systems Engineer to provide Systems Engineering and Technical Assistance (SETA) support the NRO Electro-Optical System Program Office (ESPO). Qualified candidates must possess demonstrated systems engineering expertise in requirements management, traceability, and verification. The successful candidate must also have strong working knowledge across a wide variety of Electro-Optical satellite designs, functional, and performance capabilities. The candidate must be able to work both independently and in a team-based environment. Key duties/responsibilities include, but are not limited to: Directly support ESPO as the office responsible for the design, development, manufacturing, integration & test, and launch & initialization of Electro-Optical satellites for the NRO. Represent ESPO equities by providing verification evidence for Enterprise requirements allocated to the program office. Lead in managing requirements...

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 looking for a Telescope Opto-mechanical Engineer with Space Domain Operations experience in Chantilly, VA to support a very dynamic and innovative space program office in Chantilly, VA. The Telescope Opto-mechanical Engineer provides technical expertise and systems engineering support for the development, integration, and sustainment of advanced space-based optical payloads and telescope systems. This position serves as a key interface between government stakeholders and industry partners, facilitating collaboration across multiple vendors to improve interoperability, reduce program risk, and maximize future mission flexibility. The successful candidate will support the maturation of advanced telescope technologies, manage cross-vendor interface coordination efforts, and contribute to the development of common engineering approaches that enhance interchangeability across future spacecraft builds. The role requires strong technical knowledge of optical and...

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 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 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 seeking a Fire Protection Engineer to join our team in our Chantilly, VA office. This position requires the interest & ability to obtain a TS/SCI security clearance with Polygraph . In this role you will be responsible for providing compliance with life safety requirements for the protection of personnel, mission and property through the role of enterprise Authority Having Jurisdiction. Additionally, you will evaluate compliance with applicable federal, state, and local laws and Department of Defense regulations to limit client exposure to civil and criminal liability. The following duties are a representative summary of the primary duties and responsibilities: Serve as a Fire Protection Engineering subject matter expert (SME) for all client locations. Review planning, programming, architectural and engineering design documents, specifications, and other technical documents for proposed construction activities to validate compliance...

Description Are you a highly motivated Systems Engineer looking for a rewarding opportunity to make a significant impact? SAIC has an immediate opening for an innovative Systems Engineering Technical Advisor (SETA) to provide direct customer support on a critical development effort. This opportunity is part of a dynamic team where your engineering expertise and solution-oriented mindset will drive key system development projects from inception through delivery. Join SAIC and lead the charge in a pivotal role that rewards initiative, innovation, and mission drive. If you thrive in a fast-paced environment and are passionate about driving projects to success, we want to hear from you! Key Responsibilities: •Translate system-level requirements into government authored ICDs, retain full control over content, versioning, and distribution, verify that every ICD conforms to the approved architecture and requirements baseline •Serves as the program point of contact for all industry...