**Description** SAIC is seeking a highly experienced **Sr. Principal** **S** **pace Systems Engineer** to support Space Systems Command Space Domain Awareness and Combat Power (SSC/SZ) portfolio. Position is available in **El Segundo, California** . **Fun stuff you will do on the job:** + Lead technical requirements development, systems engineering, and oversee development contractor to develop, design, produce, integrate and test space systems. + Oversee payload integration and interface control management. + Perform system integration of multiple efforts to integrate complex space systems, ground segment integration, and deployment into operation. + Manage and negotiate interface control documents with external stakeholders. + Perform systems architecting and engineering activities such as system requirements definition, interface definition, design, interface management, data architecture development, systems integration, performance analysis, lifecycle cost analysis & estimation, decision analysis, and development and refinement of concepts of operation. + Oversee requirements verification and validation. + Make program risks assessments and provides actionable recommendations to the chief engineer and program manager. + Independently collaborate with Government program office representatives, FFRDC, SETA, and contractor personnel. **Qualifications** **This is you:** + Bachelor of Science or applicable and 9 years or more experience; 4 additional years of experience may be used in lieu of degree. + Active Top Secret clearance with the ability to obtain a TS/SCI and be willing to consent to a polygraph examination. + Experience with technical requirements development, systems engineering, and overseeing development contractor to develop, design, produce, integrate and test space systems. + Experience with requirements verification and validation. Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2508822 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability