{"id":67800,"url":"https://alion.io/job/sosi-machine-learning-engineer-senior","title":"Machine Learning Engineer- Senior","company":{"id":5998,"name":"SOSi","domain":"sosi.com","url":"https://alion.io/company/sosi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"C","score":59,"open_postings":218,"ghost_share":0.683,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":29,"computed_at":"2026-10-17T05:46:00Z"}},"role":"AI/ML","role_family":"AI/ML","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":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":124000,"max_usd":236000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1213},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AutoGen","optional":false},{"name":"ETL/ELT","optional":false},{"name":"FastAPI","optional":false},{"name":"Machine Learning","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"Ray","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2025-11-21T16:29:20Z","employer_posted_date":"2025-11-21","last_verified_at":"2026-10-17T15:42:42Z","board_verified":true,"closed_at":null,"days_open":329,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":329},"description":"Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.\n Overview\nSOSi is seeking a skilled Machine Learning Engineer to support a US government customer in Chantilly, VA. In this job you will work with other talented data scientists, software developers, and SMEs to apply the best practices and state of the art data science and machine learning processes. This role requires the ability to solve complex problems independently and collaboratively in a dynamic work environment. Strong communication skills are essential for translating technical concepts to non-technical stakeholders and delivering actionable insights.\nEssential Job Duties\nLeverage data science and machine learning processes to answer mission challenges.\nDevelop and iterate rapid prototype solutions, leveraging open-source models and technologies where possible\nFlexibility to support topics such as object detection, data triage, search/optimization, image/video analysis, facial recognition, behavior detection, and automated discovery. \nApply excellent problem-solving skills to address technical challenges, both independently and as part of a team in a fast-paced environment.\nComprehend project requirements and execute tasks accordingly, ensuring alignment with project goals and timelines.\nEffectively communicate technical concepts and deliver results to non-technical leadership and stakeholders, facilitating informed decision-making.\n Minimum Requirements\nExisting TS/SCI (with poly). This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances.\nMinimum 5 years of experience in a data science/engineer role.\nExperience developing and using agentic AI frameworks including Autogen. \nExperience with prompt engineering beyond traditional code writing and debugging. Understanding of how to craft prompts for discrete tasks such as data labeling and processing. \nExperience with asynchronous Python development using frameworks like Ray and FastAPI. \nExperience developing and deploying AI/ML models as part of production systems, implementing software development best practices for scalability and reliability. \nExperience developing and applying advanced machine learning methods including clustering, regression, optimization, recommender engines, and artificial neural networks. \nDeploying models into multi-node Ray clusters utilizing various GPU resources. \nExperience with developing and deploying resources to cloud environments. \nExperience working in Linux and Windows environments and managing resources for efficiency. \nDemonstrated ETL expertise.\nPreferred Qualifications\nBachelor's degree in Data Science, Statistics, Computer Science, or a related field; OR equivalent experience.\nExperience in the US Intelligence Community.\n Work Environment\nOffice setting with a combination of desk work and meetings.\nWorking at SOSi\nAll interested individuals will receive consideration and will not be discriminated against for any reason.","description_format":"text","description_chars":3185,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Infrastructure & Networking Services","Military Logistics","Translation Services","Intelligence"],"lifecycle":[{"event":"open","at":"2025-11-21T16:29:20Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.151,"p_room":0.28,"age_days":329,"expected_fill_days":29,"reasons":["conf:3","stale_co","velocity","ghost","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/sosi-machine-learning-engineer-senior","json_url":"https://alion.io/job/sosi-machine-learning-engineer-senior.json","meta":{"generated_at":"2026-10-17T16:22:05Z","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":22497,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":5998},"rest":"https://alion.io/mcp/rest/get_company?id=5998"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsosi-machine-learning-engineer-senior"},{"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%2Fsosi-machine-learning-engineer-senior"},{"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%2Fsosi-machine-learning-engineer-senior"},{"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/sosi-machine-learning-engineer-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsosi-machine-learning-engineer-senior"}]}