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Senior Systems Principal Systems Engineer Join to apply for the Senior Systems Principal Systems Engineer role at SAIC Senior Systems Principal Systems Engineer 2 days ago Be among the first 25 applicants Join to apply for the Senior Systems Principal Systems Engineer role at SAIC Minimum Clearance Required TS/SCI Job ID 2508198 Location EL SEGUNDO, CA, US Date Posted 2025-08-04 Category Engineering and Sciences Subcategory Systems Engineer Schedule Full-time Shift Day Job Travel Yes, 25 % of the Time Minimum Clearance Required TS/SCI Clearance Level Must Be Able to Obtain None Potential for Remote Work No Description Job Description Designing, developing, testing, and implementing secure enterprise-wide cyber systems and network solutions, this role addresses complex security challenges across the entire system lifecycle—from concept and design to operation and disposal. Responsibilities include managing firewalls, network access, encryption technologies, vulnerability assessments, penetration testing, and forensic analysis. The role ensures security requirements are defined and maintained through risk assessments, system hardening, incident response, disaster recovery, and business continuity planning. It also involves integrating cybersecurity architecture into existing systems, analyzing current and future security needs, and resolving integration and testing issues. As a senior expert and individual contributor, the position may lead high-impact projects, guide strategy execution, and advise on process or policy improvements. Requires a bachelor’s degree in a related field and at least 12 years of relevant experience or an equivalent combination of training and experience. Key Responsibilities Provide the technical leadership for the ESS Program Office in the deliveries of space and ground cryptographic units to support the Space, and Ground segments. Lead the trade for spacecraft cryptographic unit selection. Considerate about requirements, interfaces, environments and testing. Ensure the technical design and interfaces, development and deliveries for the space payload encryption units in terms of hardware and firmware. Ensure the technical design and interfaces, development and deliveries for the ground encryption units in terms of hardware and firmware. Support all encryption unit successfully complete the required test program. Develop test documentations, e.g. test plan and reports as necessary. Ensure space cryptographic units survive space environments through qualification testing. Provide supplementary PKMA (Protected Key Management Architecture) activities as necessary. Building and maintaining strong, collaborative relationships with various government customer organizations, contractors, and FFRDC teammates. Qualifications An active TS/SCI is required for this position. BS with 14 years' experience in technical field, such as engineering, mathematics, physics, or computer science. 14 years’ experience with Crypto/PKMA or Master’s degree and 12 years’ experience. Military or DOD or IC space and ground experience required. Space systems engineering experience desired at the unit, subsystem, or spacecraft levels. Requirement to work on site at LAAFB 100%. Remote work unavailable. Approximately 20% travel within Southern California and Maryland. Target salary range $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Computer Hardware Manufacturing, Defense and Space Manufacturing, and IT Services and IT Consulting Referrals increase your chances of interviewing at SAIC by 2x Senior Systems Engineering Requirements Architect – Blue Ring Los Angeles, CA $129,611.00-$197,342.25 2 weeks ago Culver City, CA $120,000.00-$150,000.00 2 weeks ago Sr. System of Systems Engineer (SoSE) / Risk Manager Sr Prod Manufacturing Eng , KGS Integrated Systems Solutions Northridge, CA $128,600.00-$213,600.00 2 weeks ago SIGINT System Engineer (Senior or Expert) Reliability, Maintainability & System Health Engineer (Experienced/Senior) Sr. Space Mission Systems Engineer, Kuiper Government Solutions Sr. Space Mission Systems Engineer, Kuiper Government Solutions Senior 5G Systems Engineer - Ground & Access Los Angeles, CA $89,400.00-$165,500.00 4 weeks ago Sr. Mechanical Engineer, Flight Termination System (Starship) Rancho Dominguez, CA $125,000.00-$135,000.00 1 month ago Cypress, CA $71,000.00-$135,000.00 2 days ago Sr. System Engineer - Multi Domain Design, Integration, Test and Acquisition Santa Monica, CA $93,000.00-$130,000.00 6 days ago Cypress, CA $71,000.00-$135,000.00 2 days ago Los Angeles, CA $120,000.00-$155,000.00 2 weeks ago Seal Beach, CA $91,311.00-$159,056.00 4 weeks ago Ground Systems Engineer (Lead or Senior) Senior/Staff/Principal Imaging System Software Engineer We’re unlocking community knowledge in a new way. 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