{"id":1308692,"url":"https://alion.io/job/mantech-software-developer-4","title":"Software Developer","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":116,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":6,"computed_at":"2026-10-01T05:45:00Z"}},"role":"Backend","role_family":"Backend","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":["Quantico, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":104200,"max":172900,"currency":"USD","period":"year","gross":null,"usd_annual":172900},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Agile","optional":true},{"name":"Scrum","optional":true},{"name":"SQL","optional":true},{"name":"Unity","optional":true},{"name":"Unreal Engine","optional":true}],"status":"live","first_seen_at":"2026-09-26T15:10:43Z","employer_posted_date":"2026-09-26","last_verified_at":"2026-10-01T19:01:47Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!\nMANTECH seeks a motivated, career and customer-oriented SOFTWARE DEVELOPER to join our Modeling and Simulation team in QUANTICO, VA.\nJoin a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Software Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.\nResponsibilities include but are not limited to:\nDesigns, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources\nIntegrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration\nCollaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy\nImplements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms\nLeads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking\nMinimum Qualifications:\nBachelor’s degree in Computer Science, Software Engineering, Game Development, or a related technical field\nMinimum of 4 years of software development experience. A total of 10 years’ experience without a degree.\nExperience in programming languages such as C++, C#, Python, or Java\nFamiliarity with version control systems and collaborative software development workflows\nPreferred Qualifications:\nUnderstanding of modeling and simulation principles in military or operational contexts\nExperience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena\nFamiliarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes\nKnowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)\nExperience applying Agile or Scrum development methodologies in simulation projects\nClearance Requirements:\nMust possess a current/active SECRET security clearance.\nPhysical Requirements:\nMust be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.\nNeeds to occasionally move about inside the office to access file cabinets, office machinery, etc.\nFrequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations \nThe projected compensation range for this position is $104,200.00-$172,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":4430,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Government"],"lifecycle":[{"event":"open","at":"2026-09-26T15:10:43Z"}],"liveness":{"score":61,"band":"ok","label":"Likely open","p_open":1,"p_active":0.809,"p_room":0.75,"age_days":4,"expected_fill_days":6,"reasons":["conf:20","wave","velocity","win:late","comp:brand"],"computed_at":"2026-10-01T05:45:00Z"},"pay":{"stated_usd_annual":172900,"is_top_pay":false},"html_url":"https://alion.io/job/mantech-software-developer-4","json_url":"https://alion.io/job/mantech-software-developer-4.json","meta":{"generated_at":"2026-10-01T21:34:52Z","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":4218,"day_limit":5000,"remaining_today":782,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}