{"schemaVersion":"jobsearcher.job.v1","id":"e2dd62a022c88cd64b4f2ee0","url":"https://jobsearcher.com/jobs/e2dd62a022c88cd64b4f2ee0","canonicalUrl":"https://jobsearcher.com/jobs/e2dd62a022c88cd64b4f2ee0","title":"Senior Machine Learning Engineer","description":"Senior ML Engineer (LLM & Reinforcement Learning)Boston - Hybrid/Remote$150,000 -$230,000 + Equity + PTOAre you a Senior ML Engineer with experience building production-grade LLM systems looking to take ownership of autonomous, multi-agent architectures within a high-growth cybersecurity AI start-up?This is an opportunity to join a fast-growing AI company developing next-generation autonomous offensive security platforms. You will join a specialized AI engineering team and play a critical role in advancing their flagship platform, moving the needle on complex problems like exploit chaining, multimodal vision, and co-evolutionary self-training loops.In this role, you will design, implement, and optimize highly sophisticated multi-agent architecture, while contributing directly to model fine-tuning and production scalability. Working closely with engineering leadership and cross-functional teams, you will transition advanced multi-agent systems from cutting-edge experimentation into robust, production-ready enterprise solutions.This role would suit an ML Engineer who enjoys solving deep, technical agent-orchestration challenges and wants to be a foundational builder of autonomous, self-improving security systems.The Role: *Design and improve multi-agent architectures, planning loops, and tool-use*Contribute to model training via data curation, Supervised Fine-Tuning, and preference optimization (DPO/GRPO)*Build evaluation harnesses to track model and agent performance*Optimize inference for latency and throughput using vLLM or TensorRT-LLM*Deploy and scale production agents within Kubernetes environmentsThe Person: *Experience building production ML systems, with a strong focus on LLMs or LLM-powered agents*Strong Python programming alongside PyTorch and Hugging Face*Experience with Supervised Fine-Tuning, preference optimization, and synthetic data generation*Experience shipping multi-agent or tool-using LLM systems to production*US Citizen","company":"Rise Technical","rawCompany":"rise technical","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-08T08:43:34.233Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1221.00","title":"Computer and Information Research Scientists","slug":"computer-and-information-research-scientists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541990","title":"All Other Professional, Scientific, and Technical Services","slug":"all-other-professional-scientific-and-technical-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Machine Learning Engineer","description":"Senior ML Engineer (LLM & Reinforcement Learning)Boston - Hybrid/Remote$150,000 -$230,000 + Equity + PTOAre you a Senior ML Engineer with experience building production-grade LLM systems looking to take ownership of autonomous, multi-agent architectures within a high-growth cybersecurity AI start-up?This is an opportunity to join a fast-growing AI company developing next-generation autonomous offensive security platforms. You will join a specialized AI engineering team and play a critical role in advancing their flagship platform, moving the needle on complex problems like exploit chaining, multimodal vision, and co-evolutionary self-training loops.In this role, you will design, implement, and optimize highly sophisticated multi-agent architecture, while contributing directly to model fine-tuning and production scalability. 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