{"id":1463657,"url":"https://alion.io/job/aperio-global-ai-engineer-tssci-with-polygraph-is-required","title":"AI Engineer (TS/SCI with Polygraph is REQUIRED)","company":{"id":1913632,"name":"Aperio Global","domain":"aperioglobal.com","url":"https://alion.io/company/aperioglobal","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":16,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":100,"computed_at":"2026-10-31T05:58:55Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Meade, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":127000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Confluence","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Git","optional":false},{"name":"Jira","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false},{"name":"CI/CD","optional":true},{"name":"Claude Code","optional":true},{"name":"OpenAI Codex","optional":true},{"name":"Rust","optional":true}],"status":"closed","first_seen_at":"2026-08-10T13:09:58Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-29T13:04:15Z","board_verified":false,"closed_at":"2026-10-29T13:04:15Z","days_open":79,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":79},"description":"Our Mission Statement\nAt Aperio Global, we bring together experts in cybersecurity, AI, data analytics, and cloud technologies to solve complex national security challenges. We focus on work where our expertise creates the greatest impact.\nOur team includes technologists, Intelligence Community veterans, and security professionals who believe the best solutions come from collaboration, accountability, and technical excellence. From cyber operations and AI platforms to cloud-native software and emerging technologies, our work speaks for itself.\nCome Solve With Us\nWe offer competitive pay, comprehensive benefits, retirement savings with company match, generous paid time off, and professional development. We invest in our people because great missions require great teams.\nAI Engineers - Multiple Levels (SWE2 / SWE3) \nU.S. Citizenship is REQUIRED for this position due to federal government contract and security clearance requirements.\nTS SCI + Polygraph is REQUIRED to be considered for this positions. \nLinthicum Heights, MD\nHow to Apply:\nSubmit your application through this posting. Please include:\n Resume highlighting relevant AI/ML and software engineering experience.\n Current clearance level and polygraph status\n Desired level (SWE2 or SWE3), or indicate open to both\nPlease Note: This role requires an active TS SCI with POLYGRAPH. You must have this clearance prior to applying to be considered.\nAperio Global is seeking motivated AI Engineers across multiple experience levels to support our AI & Emerging Technologies (AI&ET) mission. Engineers at all levels will work closely with mission stakeholders to capture requirements, aid in structured planning, and improve the certification process by introducing AI/ML tooling.\nYou will use AI/ML to develop tools and techniques - including fine-tuning Large Language Models (LLMs) - that assist in enhanced vulnerability identification and mitigation capabilities. This role sits at the intersection of applied AI research and national security, deploying cutting-edge tooling within classified secure enclaves.\nMission Focus:\n Design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines\n Develop and optimize data preprocessing pipelines to ingest, clean, transform, and vectorize product documentation, source code, and test results for LLM consumption\n Design and implement database solutions to support RAG architectures, artifact storage, audit trails, and metadata management\nTechnical Proficiency:\n Collaborate with systems engineers to architect and deploy networked AI tools within secure enclaves\n Conduct performance profiling, optimization, and scalability analysis of mission systems\n Support security assessments and Authority to Operate (ATO) processes\n Collaborate closely with technical leadership on system design decisions and roadmap planning\nWhat We're Looking For:\nAll candidates must meet the following requirements:\n Bachelor's degree plus 5 years (SWE2) or 8 years (SWE3) of relevant experience, or equivalent\n Proficiency in Python, LLM integration, and data engineering\n Experience with static analyzers and RAG frameworks\n Experience with both relational and vector databases\n Familiarity with Agile methodologies, Git, Jira, and Confluence\n Active TS/SCI + Polygraph \nNice to Have:\n Familiarity with Rust\n Experience with Claude Code or OpenAI Codex\n CI/CD pipeline design and maintenance\n Hands-on experience deploying AI tools within classified or air-gapped environments\n Performance profiling and scalability optimization in networked AI systems\nAbout the Mission:\nThe AI & Emerging Technologies (AI&ET) team is at the forefront of applying artificial intelligence to national security challenges. Our engineers work in a fast-paced, collaborative environment on problems that directly impact mission outcomes. We value intellectual curiosity, technical depth, and a commitment to responsible AI development.\nWe are an equal opportunity employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, or veteran status.\nSalary: $127,000 - $200,000\nLevel-Experience:\n AI Engineer (SWE2) - Mid-level Bachelor's + 5 years\n Senior AI Engineer (SWE3) - Senior Bachelor's + 8 years \nThe salary range for this role represents Aperio’s good-faith estimate of compensation at the time of posting. Placement within the range is based on multiple factors, including but not limited to an individual’s qualifications, relevant experience, education, certifications, technical skills, contract labor categories and/or rates, work location, market conditions, and business needs.\nBenefits\nAt Aperio Global, we understand the value of investing in our most important asset-our employees. That's why we have crafted a comprehensive benefits package designed to help you make the best decision for yourself, your family and your lifestyle. For additional details, contact our talent acquisition team.\nHealth Care Plan (Medical, Dental & Vision)\nRetirement Plan (401k, IRA) with 100% employer match up to 6%\nLife Insurance (Basic, Voluntary & AD&D)\nPaid Time Off (Vacation, Sick & Public Holidays)\nShort Term & Long Term Disability\nProfessional Development\n(and much more)\nAperio Global is an equal opportunity employer. We are committed to building an inclusive workforce where all employees and applicants are treated with respect and fairness. Employment decisions are based solely on qualifications, merit, and business needs - never on race, color, religion, sex, national origin, age, disability, genetic information, military or veteran status, pregnancy/childbirth, sexual orientation, gender identity, marital status, ethnicity, or any other characteristic protected by applicable federal, state, or local law.","description_format":"text","description_chars":5885,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Life insurance","Professional development","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Information Security"],"lifecycle":[{"event":"open","at":"2026-09-29T13:45:38Z"},{"event":"close","at":"2026-10-29T13:04:15Z"}],"visa":[],"liveness":null,"pay":{"stated_usd_annual":200000,"is_top_pay":false},"html_url":"https://alion.io/job/aperio-global-ai-engineer-tssci-with-polygraph-is-required","json_url":"https://alion.io/job/aperio-global-ai-engineer-tssci-with-polygraph-is-required.json","meta":{"generated_at":"2026-10-31T23:14:23Z","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":36276,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":1913632},"rest":"https://alion.io/mcp/rest/get_company?id=1913632"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faperio-global-ai-engineer-tssci-with-polygraph-is-required"},{"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%2Faperio-global-ai-engineer-tssci-with-polygraph-is-required"},{"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%2Faperio-global-ai-engineer-tssci-with-polygraph-is-required"},{"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/aperio-global-ai-engineer-tssci-with-polygraph-is-required\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faperio-global-ai-engineer-tssci-with-polygraph-is-required"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1463657}},{"tool":"search_jobs","arguments":{"company":"aperioglobal.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1463657},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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