{"id":2481961,"url":"https://alion.io/job/stellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering","title":"Mission Modeling & Simulation Engineer (OPIR / Mission Engineering)","company":{"id":1947974,"name":"Stellar Solutions","domain":"stellarsolutions.com","url":"https://alion.io/company/stellarsolutions-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Los Angeles, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-13T23:05:12Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-20T04:57:22Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Overview\nStellar Solutions, a nationally recognized “Great Place To Work”, has exciting opportunities providing engineering solutions for innovative new-entrant space companies, established space systems manufacturers, commercial space operators, and other industry stakeholders across the national security space community.\nStellar Solutions is seeking a Mission Modeling & Simulation Engineer to support advanced mission engineering and digital analysis efforts within SSIO. In this role, you will contribute to enterprise-level mission thread analysis, architecture assessments, and large-scale simulation activities supporting next-generation space and defense capabilities.\nThis position offers the opportunity to work across mission engineering, digital engineering, modeling & simulation, and systems analysis efforts supporting highly visible national security space programs. The selected candidate will collaborate with government customers, SETA/FFRDC organizations, and industry partners to support mission analysis activities that inform operational risk, architecture trade studies, and future capability decisions.\nRole/Responsibilities/Qualifications\nIn this role, you will:\nDevelop and execute mission-level modeling and simulation analyses supporting space and ground mission architectures \nSupport mission thread analysis, architecture evaluations, and system-level trade studies \nAnalyze simulation outputs and communicate technical findings to program leadership and government stakeholders \nSupport technical interchange meetings, customer briefings, mission analysis reviews, and demonstrations to government stakeholders \nCollaborate with government, SETA, FFRDC, and contractor teams supporting enterprise mission engineering initiatives \nAssist with development of scalable cloud-based simulation and analysis workflows \nSupport development of reusable modeling, simulation, and analysis frameworks \nContribute to identification and assessment of mission risks, issues, and gaps (RIG) \nDevelop high-fidelity simulation software and analysis tools for a diverse range of complex systems and validate these models against real-world data\nPerform code review for peers and provide technical feedback and suggestions to other engineering teams to drive platform improvement\nRequired Qualifications:\nBachelor’s degree in Aerospace Engineering, Systems Engineering, Electrical Engineering, Physics, Mathematics, Computer Science, or related technical discipline \n3-7 years of experience in modeling & simulation, systems engineering, mission analysis, mission engineering, or digital engineering \nExperience supporting space, missile defense, OPIR, SDA, BMC3, or related national security space programs \nExperience with one or more technical tools/languages such as MATLAB, Python, or similar modeling and analysis environments \nStrong analytical and problem-solving skills\nStrong data analysis skills working with large datasets\nAbility to communicate technical concepts effectively to both technical and non-technical audiences \nExperience working in collaborative, multi-organization technical environments \nExperience supporting customer briefings or technical presentations \nExperience supporting mission engineering or enterprise architecture analysis efforts\nActive TS/SCI clearance \nPreferred Qualifications:\nFamiliarity with MBSE and digital engineering methodologies \nExperience with cloud-based simulation or distributed analysis environments \nKnowledge of space mission architectures, constellation analysis, or missile warning/tracking systems \nExperience supporting SSC, Space Force, SDA, or related defense organizations \nCompensation:\nThe typical salary pay range for this position is USD $120,000 - $150,000 annually. Several factors are considered when extending an offer, including but not limited to, the role responsibilities, candidate’s work experience, education/training, key skills, internal peer equity, as well as market and business considerations.\nIn addition to base salary, this position is eligible for a comprehensive total rewards package that includes an annual performance bonus, an employer-funded Profit-Sharing Plan (PSP) contribution based on base compensation, and comprehensive employer-paid medical benefits, PTO pay-out options, along with additional company-sponsored benefits. All of these benefits represent an additional 30-40% to your base compensation for a total compensation package.\nDeliverable(s)\nYou will be part of a highly collaborative team supporting mission-critical national security space initiatives at the forefront of mission engineering and digital transformation. This role provides the opportunity to contribute to enterprise-scale modeling and simulation efforts that directly influence future operational capabilities and strategic mission decisions.","description_format":"text","description_chars":4842,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T23:05:12Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":30,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-20T05:45:00Z"},"pay":{"stated_usd_annual":150000,"is_top_pay":true},"html_url":"https://alion.io/job/stellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering","json_url":"https://alion.io/job/stellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering.json","meta":{"generated_at":"2026-10-20T06:26:27Z","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":6987,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":1947974},"rest":"https://alion.io/mcp/rest/get_company?id=1947974"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering"},{"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%2Fstellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering"},{"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%2Fstellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering"},{"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/stellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstellar-solutions-mission-modeling-simulation-engineer-opir-mission-engineering"}]}