{"id":3409681,"url":"https://alion.io/job/general-dynamics-mission-systems-systems-security-engineer-multiple-levels-cleared","title":"Systems Security Engineer Multiple Levels (cleared)","company":{"id":1836162,"name":"General Dynamics Mission Systems","domain":"gdmissionsystems.com","url":"https://alion.io/company/gdmissionsystems-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dedham, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":99916,"max":182000,"currency":"USD","period":"year","gross":null,"usd_annual":182000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MBSE","optional":false}],"status":"live","first_seen_at":"2026-10-28T17:23:48Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-01T16:08:16Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Basic Qualifications\nBachelor's degree in Systems Engineering, or related Science, Technology, Engineering or Mathematics field. Also requires:\nSystems Engineer - a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience.\nAdvanced Systems Engineer - a minimum of 5 years of relevant experience; or Master's degree, plus 3 years relevant experience.\nSenior Advanced Systems Engineer - a minimum of 8 years of relevant experience; or Master's degree, plus 6 years relevant experience.\nCLEARANCE REQUIREMENTS:\nDepartment of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.\nResponsibilities for this Position\nWe are seeking a Systems Security Engineer who has experience in the design and development of NSA-certified Cybersecurity devices.\nKey Responsibilities:\nDesign and develop specifications for mission-critical NSA-certified Cybersecurity devices\nCollaborate with software and validation engineering teams to deliver high-speed data solutions\nDevelop real-time multi-threaded Embedded System architecture using Model-based Systems Engineering (MBSE) tools and techniques\nAnalyze and maintain system security requirements throughout product development lifecycle\nConduct trade studies, perform functional analysis, and design system security.\nIdentifies opportunities to apply AI for continuous improvement and innovation.\nPreferred Skills and Experiences:\nNSA approved Cryptography/Encryption\nSecurity requirements analysis\nReal-Time multi-threaded Embedded System architecture and development\nModel-based Systems Engineering (MBSE)\nCISSP certification or similar\nINCOSE ASEP, CSEP, or ESEP certification\nWe value candidates who possess:\nDrive to expand knowledge and experience in designing complex systems\nAbility to define project scope, schedule, and expected results\nInitiative to complete assignments and ability to engage in technical direction and leadership\nOur Commitment to You:\nAn exciting career path with opportunities for continuous learning and development\nResearch-oriented work with award-winning teams\nCompetitive benefits package\nSalary Note\nThis estimate represents the typical salary range for candidates across various experience levels. Actual compensation will be based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.Combined Salary Range\nUSD $99,916.00 - USD $182,000.00 /Yr.Company Overview\nGeneral Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. 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