{"id":3410613,"url":"https://alion.io/job/stellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai","title":"Machine Learning Infrastructure Engineer - LLM & Agentic AI","company":{"id":2596,"name":"Stellar Cyber","domain":"stellarcyber.ai","url":"https://alion.io/company/stellar-cyber","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":150000,"max":215000,"currency":"USD","period":"year","gross":null,"usd_annual":215000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"Docker","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"AutoGen","optional":true},{"name":"LangChain","optional":true},{"name":"LangGraph","optional":true},{"name":"llama.cpp","optional":true},{"name":"Prompt Engineering","optional":true},{"name":"RAG","optional":true},{"name":"vLLM","optional":true}],"status":"live","first_seen_at":"2026-10-28T17:43:58Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-06T01:08:02Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"Join a fast-growing global leader in cybersecurity, trusted by some of the biggest names in the industry. In addition to some of the world’s largest enterprises and government agencies, more than 30% of the world’s top MSSPs rely on our platform. We’re at the forefront of protecting organizations against sophisticated cyber threats using cutting-edge AI and automation technologies. Our culture is built on diversity, openness, and collaboration, fostering creativity and innovation that drives real impact in the market.\nWe are looking for a highly skilled Machine Learning Infrastructure Engineer with a passion for building robust and scalable systems to power Stellar Cyber’s Autonomous SOC applications. In this role, you will be at the forefront of AI infrastructure innovation, responsible for developing the foundational components that enable intelligent agents to work like true SOC analysts to operate in dynamic SecOps environments.\nResponsibilities\nDesign and build Agentic AI frameworks to orchestrate LLM-based agents capable of reasoning, planning, and executing SecOps tasks in Stellar Cyber’s Open XDR platform.\nDesign and develop scalable LLM inference infrastructure that supports runtime- and cost-efficient serving and resource management across LLM hosting providers.\nDevelop MCP servers that interact with Open XDR platform services and features, and integrate with LLM-based agents.\nDevelop other supporting API services necessary for Autonomous SOC applications to provide reliable and extensible interface for agent operations.\nCollaborate closely with machine learning / security researchers, UI / backend / infrastructure engineers, and product management to align infrastructure with evolving product needs.\nRequirements\nBachelor’s or Master’s degree in Computer Science or a related field, or equivalent practical experience.\n2 years of experience with software development or 1 year of experience with an advanced degree in an industry setting.\n2 years of experience with data structures or algorithms in either an academic or industry setting.\n2 years of experience with developing backend infrastructure, distributed systems, APIs (REST / gRPC), and microservices for MLOps related projects.\nExperience with cloud computing technologies, including containerization, orchestration, and deployment (Docker, Kubernetes, etc).\nExperience in one or more of the following programming languages: Python, Java, Go.\nPreferred Qualifications\nExperience working on LLM applications in high-sensitivity domains (e.g., finance, defense, health).\nExperience with Generative AI frameworks (e.g., LangChain, LangGraph, AutoGen, or other frameworks) and technologies (prompt engineering, vector databases, RAG, etc.).\nExperience with observability practices in ML systems (e.g., metrics, cost tracking).\nExperience deploying and scaling LLMs for inference using frameworks such as vLLM, llama.cpp, and etc.\nExperience working on ML platform teams and/or building tools for researchers.\nKnowledge of SecOps concepts, activities, workflows is a plus.\nBenefits\nWe pride ourselves in recognizing our employees. Here are some examples of our benefits program:\nPre-IPO Stock Options\nMedical, Dental & Vision care\n401(k)\nEmployee Assistance Program\nEmployee Discount Program\nLife Insurance\nPaid time off\nReferral Program\nRewards and Recognition Program\nWhy Join Us\nWork at the forefront of cybersecurity innovation within a dynamic, fast-growing team.\nOpportunity to significantly influence and shape the integration architecture of a next-generation SecOps platform powered by AI and automation.\nCompetitive salary, comprehensive benefits, and ample career growth opportunities.\nThe base compensation range for this role is USD 150,000-215,000 per year. Total compensation includes bonus opportunity and equity, and will vary based on candidate location.","description_format":"text","description_chars":3867,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Growth opportunities","Life insurance","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Network Security","Security Operations"],"lifecycle":[{"event":"open","at":"2026-10-28T17:43:58Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 7 · green card filings: 3","filings_12m":7,"filings_prev_12m":7,"green_card_filings_12m":3,"median_offered_wage_usd":147500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":5}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":7,"expected_fill_days":83,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":215000,"is_top_pay":false},"html_url":"https://alion.io/job/stellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai","json_url":"https://alion.io/job/stellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai.json","meta":{"generated_at":"2026-11-06T01:39:20Z","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":2739,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":2596},"rest":"https://alion.io/mcp/rest/get_company?id=2596"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai"},{"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%2Fstellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai"},{"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%2Fstellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai"},{"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/stellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstellar-cyber-machine-learning-infrastructure-engineer-llm-agentic-ai"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3410613}},{"tool":"search_jobs","arguments":{"company":"stellarcyber.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3410613},"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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