{"id":780046,"url":"https://alion.io/job/objectcomputing-on-site-st-louis-mo-senior-software-engineer","title":"On Site - St. Louis MO - Senior Software Engineer","company":{"id":679750,"name":"Object Computing","domain":"objectcomputing.com","url":"https://alion.io/company/objectcomputing","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":75,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Saint Louis, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":116000,"max_usd":216000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Confluence","optional":false},{"name":"Docker","optional":false},{"name":"Doxygen","optional":false},{"name":"Linux","optional":false},{"name":"PetaLinux","optional":false},{"name":"PowerShell","optional":false},{"name":"UML","optional":false},{"name":"Java","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2025-06-09T19:01:46Z","employer_posted_date":"2025-06-09","last_verified_at":"2026-10-31T03:04:16Z","board_verified":true,"closed_at":null,"days_open":508,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":508},"description":"On Site Required - In St. Louis MO\nUS Citizenship Required\nReady to contribute to cutting-edge defense technology and shape the future of battlefield superiority? Join our dynamic team working on a pivotal initiative focused on delivering advanced technological solutions to the U.S. Department of Defense and its allies. As a key member of our team, you'll be immersed in a challenging and rewarding environment where innovation thrives. We're collaborating with a leading mid-tier defense technology company specializing in areas like Advanced Sensing, Network Computing, and Force Protection, to develop and integrate state-of-the-art systems. If you're passionate about technology, thrive in a fast-paced setting, and want to make a tangible impact on national security, this project is for you. Be part of a team where your contributions are valued and your growth is encouraged, working alongside talented professionals dedicated to excellence and integrity. Dive into complex technical challenges, work with the latest tools and platforms, and experience the satisfaction of seeing your work directly contribute to significant advancements in defense technology.\nJob Summary:\nWe are seeking a highly skilled Senior Software Engineer with robust expertise in C++ embedded development for a position based in St. Louis, Missouri. The ideal candidate will have a diverse set of programming skills that also includes languages other than C++. The right individual will contribute to diverse projects, requiring on-site presence four days a week. U.S. Citizenship is required.\nKey Responsibilities\nDesign, develop, and maintain robust and efficient embedded software systems using modern C++ and embedded Linux (PetaLinux) for critical defense applications.\nProvide detailed technical explanations of projects, including problems and solutions implemented.\nUnderstand and work with complex software systems, including SDKs, third-party APIs, testing tools, and bench systems.\nUnderstand and use simulators for software testing, including creating or improving simulators.\nApply various testing methodologies, especially for testing inputs/outputs of “black boxes.”\nDebug communication problems between software and hardware devices.\nUnderstand and perform codebase migration to new environments or operating systems.\nConnect prior work and technical examples to the specific needs and challenges of our company, particularly in the aerospace, government, or defense sectors.\nRequired Skills & Qualifications\nU.S. Citizenship required\nExtensive experience in modern C++ and embedded Linux (PetaLinux).\nProficiency in scripting languages like PowerShell and Bash.\nExperience with containerization technologies like Docker.\nFamiliarity with CI/CD pipelines.\nStrong understanding of software systems complexities and “black boxes.”\nProficiency in creating and consuming technical documentation.\nFamiliarity with UML diagrams and tools like Confluence, Visio, and Doxygen.\nExperience with simulators for software testing.\nKnowledge of various testing methodologies.\nStrong debugging skills for software and hardware communication problems.\nExperience with or understanding of codebase migration.\nAbility to describe technical projects in detail and discuss technical aspects succinctly and with depth.\nAbility to identify and solve complex technical problems.\nStrong communication skills to explain technical concepts and processes.\nAbility to work on-site 4 days a week in St. Louis, Missouri.\nPreferred 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