{"id":2983328,"url":"https://alion.io/job/sigma-defense-systems-1335-systems-engineer-iii","title":"1335 - Systems Engineer III","company":{"id":685779,"name":"Sigma Defense Systems","domain":"sigmadefense.com","url":"https://alion.io/company/sigmadefense","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":100,"open_postings":17,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Defense","role_family":"Defense","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Norfolk, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-27T15:25:09Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-31T12:52:20Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Sigma Defense is seeking a Systems Engineer III to join our team and assist on a Navy contract.\nEqual Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.\nRequirements\n10 years of full-time professional experience in systems engineering, with 2 of the years being full-time experience at the system level in any of the following areas: requirements definition, system design parameters, concepts operation, risk assessment, productivity studies/analyses, performance analyses, test and evaluation, post-delivery support of COE or EW Systems. \n3 years of full-time professional experience in each of the following skillsets/disciplines: \nOperating Systems experience in Windows and Linux.\nLinux System Administrator.\nHardware and Software configuration management of tracking bug, enhancements, requirements, risks, test results, and tasks.\nSystem and Network Security related activities to include design, implementation, configuration and enforcement of security controls on network, hardware, and software components and devices.\n1 year of full-time professional experience support of total Life-Cycle system design or equivalent academic background.\nMust be a U.S. citizen.\nPersonnel Clearance Level:\nCandidate must possess an active TS/SCI clearance or higher.\nA clearance will not be sponsored.\nEducation Requirements:\nBachelor's degree from an accredited college or university in Mechanical, Electrical, or Computer Engineering. \nSalary Range: $100,000 - $150,000 annually\nBenefits\nDental and Vision Insurance\nMedical Insurance to Include HSA, FSA, and DFSA Plans\nLife and AD&D coverage\nEmployee Assistance Program (EAP)\n401(k) Plan with Company Matching Contributions\n160 Hours of Paid Time Off (PTO) \n12 (Floating) Holidays\nEducational Assistance\nHighly Competitive Salary","description_format":"text","description_chars":2084,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Military Communication","Electronic Warfare"],"lifecycle":[{"event":"open","at":"2026-10-21T08:00:10Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.9,"p_room":1,"age_days":3,"expected_fill_days":13,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-31T05:58:55Z"},"pay":{"stated_usd_annual":150000,"is_top_pay":true},"html_url":"https://alion.io/job/sigma-defense-systems-1335-systems-engineer-iii","json_url":"https://alion.io/job/sigma-defense-systems-1335-systems-engineer-iii.json","meta":{"generated_at":"2026-10-31T13:09:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":20466,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":685779},"rest":"https://alion.io/mcp/rest/get_company?id=685779"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsigma-defense-systems-1335-systems-engineer-iii"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsigma-defense-systems-1335-systems-engineer-iii"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsigma-defense-systems-1335-systems-engineer-iii"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/sigma-defense-systems-1335-systems-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsigma-defense-systems-1335-systems-engineer-iii"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2983328}},{"tool":"search_jobs","arguments":{"company":"sigmadefense.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2983328},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}