{"id":3048142,"url":"https://alion.io/job/plusai-software-integration-engineer-validation","title":"Software Integration Engineer, Validation","company":{"id":22363,"name":"PlusAI","domain":"plus.ai","url":"https://alion.io/company/plus","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":67,"open_postings":44,"ghost_share":0.545,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Antonio, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":125000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"ROS","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-09-29T19:30:31Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-28T01:00:56Z","board_verified":true,"closed_at":null,"days_open":28,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":28},"description":"We're looking for a software integration engineer to lead Validation & Verification (V&V) efforts at Plus by conducting hands-on testing of our autonomous driving stack. In this role, you will work together with engineering and operations teams to develop and implement closed-course vehicle testing programs. Your responsibilities will include creating and executing end-to-end software test plans for autonomous driving, supporting development on either the planning or MCU teams, and generating tooling and documentation to improve operational efficiency.\nResponsibilities\nLead planning and execution of closed-course autonomous vehicle system testing.\n\nCreate V&V plans and develop test matrix based on product requirements to thoroughly test autonomy software on-vehicle.\n\nIdentify, diagnose, and troubleshoot software errors, including working with Linux, ROS, sensors, actuators, and various log data.\n\nWork with engineers to determine how to test different parts of the autonomy stack and report back test failures to management.\n\nOrganize and execute field testing to test autonomy software on-vehicle in various environments including closed course.\n\nExecute the test cases based on release milestones.\n\nDive deep and support triaging issues of various components of the AV stack\n\nGenerate documentation and back-end tooling to improve operational efficiency\n\nRequired Skills\nSkills in Computer Science, Software Engineering, Robotics or AV\n\nExperience creating and executing test plans for software and hardware systems.\n\nExperience debugging system behaviors in Linux, ROS, C++, and Python, and identifying software failures caused by hardware sensors.\n\nProgramming skills in Python, C++, bash\n\nWillingness to travel to test sites near San Antonio, Texas and around the country.\n\nPreferred Skills\nExperience working in testing Autonomy or ADAS applications.\n\nPrevious experience testing large vehicles in defense, mining, construction, or agriculture.\n\nExperience with autonomous driving compute systems, sensors and communication 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