{"id":4045926,"url":"https://alion.io/job/lockheed-martin-software-systems-engineer-senior","title":"Software Systems Engineer Senior","company":{"id":37086,"name":"Lockheed Martin","domain":"lockheedmartin.com","url":"https://alion.io/company/lockheedmartin","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eightfold","truth_index":{"grade":"A","score":96,"open_postings":2320,"ghost_share":0.011,"stale_share":0,"repost_share":0.198,"time_to_fill_p50_days":34,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Backend","role_family":"Backend","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":["King of Prussia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95900,"max":178100,"currency":"USD","period":"year","gross":null,"usd_annual":178100},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cameo Systems Modeler","optional":false},{"name":"MBSE","optional":false},{"name":"SysML","optional":false},{"name":"UML","optional":false},{"name":"Agile","optional":true},{"name":"DO-178C","optional":true},{"name":"IBM DOORS","optional":true}],"status":"live","first_seen_at":"2026-10-20T19:52:53Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-12T01:18:05Z","board_verified":true,"closed_at":null,"days_open":22,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":22},"description":"Standard Job Description\nPerforms complex software design activities integrating multiple technologies. Provides architectural guidelines for all software design activities to current and future technological environments. Maintains state-of-the-art knowledge of technologies, planning, design, and analysis methodologies. Responsible for the design and architectural guidelines for current and future software technological activities.\nThis role bridges the gap between high-level system requirements and detailed software development, ensuring traceability and consistency across the lifecycle. The Software Systems Engineer will\nDecompose software requirements from systems and component requirements \nUse Model-Based Systems Engineering (MBSE) methodologies to define, design, and maintain complex system architectures using Cameo Systems Modeler (MagicDraw). \nBasic Qualifications\nExperience in systems engineering, software engineering, or related field.\nProven expertise in Cameo Systems Modeler / Cameo Enterprise Architecture or equivalent.\nKnowledge of SysML (System Modeling Language) and/or UML (Unified Modeling Language)\nAbility to obtain Secret Security Clearance (US Citizenship Required)\nDesired Skills\nINCOSE Certified Systems Engineering Professional (CSEP) or OMG Certified Systems Modeling Professional (OCSMP).\nDemonstrated ability to author clear, concise, and traceable software requirements-including functional, non-functional, and interface specifications-that align with stakeholder needs and project goals. Experience with DOORS a plus.\nExperience in Agile development, Configuration Management, DO-178C.\nExperience in aerospace, defense, or complex electronics.\nClearance: Active secret security clearance\nExperience DOD Software CDRL Development\nAbility to thrive in a fast-paced, synergetic team environment.\nDemonstrated behaviors of a systems thinker with the ability to select and apply appropriate systems thinking skills to solve problems and implement constructive change.\nExcellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members\nPay Information\nFull-Time Salary Range: $95900.00 - $178100.00\nAt Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.\nThe salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.\nBenefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.\nAnnual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.\nFor (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.","description_format":"text","description_chars":3871,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Education assistance","Flexible schedule","Life insurance","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Aerospace Manufacturing","Combat Aircraft","Missiles","Military Satellites"],"lifecycle":[{"event":"open","at":"2026-11-10T23:47:11Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 1","filings_12m":1,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":182500,"route":null,"cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":75,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.838,"p_room":0.9,"age_days":21,"expected_fill_days":34,"reasons":["conf:1","win:mid","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":178100,"is_top_pay":false},"html_url":"https://alion.io/job/lockheed-martin-software-systems-engineer-senior","json_url":"https://alion.io/job/lockheed-martin-software-systems-engineer-senior.json","meta":{"generated_at":"2026-11-12T02:19:40Z","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":5273,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":37086},"rest":"https://alion.io/mcp/rest/get_company?id=37086"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flockheed-martin-software-systems-engineer-senior"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Flockheed-martin-software-systems-engineer-senior"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Flockheed-martin-software-systems-engineer-senior"},{"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/lockheed-martin-software-systems-engineer-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flockheed-martin-software-systems-engineer-senior"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4045926}},{"tool":"search_jobs","arguments":{"company":"lockheedmartin.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4045926},"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. 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