{"id":935409,"url":"https://alion.io/job/leidos-modeling-and-simulation-software-engineer","title":"Modeling and Simulation Software Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":90,"open_postings":104,"ghost_share":0,"stale_share":0.596,"repost_share":0.01,"time_to_fill_p50_days":21,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Beavercreek, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":69550,"max":125725,"currency":"USD","period":"year","gross":null,"usd_annual":125725},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"HPC","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-09-14T00:00:00Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-09-30T22:10:53Z","board_verified":true,"closed_at":null,"days_open":17,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":17},"description":"Leidos is hiring a Modeling and Simulation Engineer with an active Secret clearance in our Beavercreek Ohio Office. The successful candidate will use strong technical capabilities and communication skills to collaborate with technical teams of engineers and scientists to integrate an infrared threat simulation into a multispectral few-on-few engagement simulation environment.\nPrimary Responsibilities:\nPerform tasks related to the integration of an infrared threat simulation into a multispectral few-on-few, C++ based simulation environment\n\nWork with a team of engineers and collaborate on team tasking\n\nCollaborate with teams of government and contractor personnel\n\nParticipate in the design and implementation of tools that support the wider multispectral simulation\n\nTest and evaluate implementations, provide feedback to developmental team and team partners\n\nDevelop, code and test software and prepare documentation requested by the government customer\n\nBasic Qualifications:\nBachelor’s degree in CS, CE, EE or a related field with 2+ years of applicable experience or an MS degree in CS, CE, EE, or a related field\n\nExperience with C++, Linux\n\nExperience with modeling and simulation (M&S) techniques\n\nExcellent English-language written and verbal communication. Strong emphasis on writing ability\n\nGreat people skills and the desire to work with technical teams of engineers and scientists\n\nAbility to work independently and under deadlines in a mixed government-contractor environment\n\nTo be considered, must have a current and active Secret security clearance\n\nPreferred Qualifications:\nExperience working with modeling and simulation, Python, GPU compute, HPC resources, EO/IR sensor phenomenology, infrared threat systems\n\nPrevious experience with department of defense software applications\n\nNKE\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nSeptember 14, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $69,550.00 - $125,725.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":2894,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-09-15T14:11:12Z"}],"liveness":{"score":34,"band":"fade","label":"Fading","p_open":1,"p_active":0.456,"p_room":0.75,"age_days":16,"expected_fill_days":21,"reasons":["conf:0","stale_co","velocity","win:late","comp:junior,brand"],"computed_at":"2026-09-30T05:45:00Z"},"pay":{"stated_usd_annual":125725,"is_top_pay":false},"html_url":"https://alion.io/job/leidos-modeling-and-simulation-software-engineer","json_url":"https://alion.io/job/leidos-modeling-and-simulation-software-engineer.json","meta":{"generated_at":"2026-10-01T01:57:51Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1563,"day_limit":5000,"remaining_today":3437,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}