Senior Agent Harness Engineer
Nickel
Nickel is hiring for a role at the forefront of AI infrastructure, building a proprietary Agent Harness stack that blends algorithms, engineering, and modeling. The team designs runtimes, memory, tools, and scheduling for ultra-long-horizon multi-agent tasks and ensures ongoing co-evolution with model training. Ideal candidates combine deep expertise in LLMs, agent systems, and prompt/context engineering, with strong communication in English. #J-18808-Ljbffr Nickel
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Agent Harness Engineer in San Francisco, CA vacancy
- ...focus on drug-induced liver injury with an integrated data and agentic system already used by top pharma partners. You will own the harness, data backbone, and evaluation systems, collaborating with domain experts to encode rubrics and ensure reproducible, robust agentic...Senior
- ...frontier models’ ability to reason over Axiom’s data inside Axiom’s agent harness. This creates a compounding loop: deeper customer... ...transition, and build the debugging tooling to make sense of it Engineer the context: memory, compaction, retrieval, and recovery so long...Suggested
- ...launch and expanding its team with exceptional software and AI engineering talent. The company focuses on turning complex medical... ...artificial intelligence. Role Description Build Nickel’s proprietary Agent Harness technical stack through the synergy of algorithms,...Suggested
$200k - $275k
...organizations and billions of users. Okta for AI Agents extends that work to the agentic shift.... ...their identity, platform, and security engineering teams, write production code in their... ...their engineers on the patterns.Engage senior leadership. Brief the CISO, CIO,...SeniorLocal areaWorldwideFlexible hoursShift work$216k - $270k
...manufacturing, media and telecommunications to build production AI agents that automate complex workflows, help humans, reason over... ...solve real-world problems remains one of the hardest engineering challenges.As a Senior Frontier Agent Engineer (Applied AI), you'll bridge the...SeniorFull time- ...take a big swing at the most ambitious engineering challenge of our careers. Everyone working... ...one piece of an effective background agent. Let's design and build the rest of the... ...massively parallel agents. Build agent harnesses to improve open model (Deepseek, Qwen, Llama...SeniorWork at officeImmediate start
$180k - $250k
Gatik is seeking a Senior/Staff Vehicle Harness Engineer in San Francisco, CA. This role focuses on the power and signal distribution on Gatik's vehicles from concept to production, requiring a strong mechanical integration background. The ideal candidate has over 5 years...Senior- Doist seeks a Senior Agent Software Engineer to help build the agent systems behind AI workflows, including runtime, orchestration, tools, evals, and product surfaces. You’ll enable agents to understand context, use tools safely, recover from failures, and complete complex...Senior
- A leading conversational AI platform in San Francisco is seeking a Senior Software Engineer to design and build systems that enhance agent operations. The ideal candidate has over 5 years of experience in building production systems, proficiency in Python or Typescript,...Senior
- OpenAI seeks a Senior Harness Engineer to drive the development and integration of custom wire harnesses for advanced robotic systems. You will own static and dynamic wire harness development from early architecture through prototype validation and system integration, partnering...Senior
- Init Intelligence in San Francisco is seeking a Senior/Staff Applied AI Engineer to build and own the agent harness that turns model capability into reliable IT workflows. You will design the execution loop, tool-use strategies, context construction, and model-facing experimentation...Senior
- A tech recruiting firm in San Francisco is seeking a candidate to build robust agent systems using cutting-edge frameworks. The role involves designing workflows with complex logic and rigorous validation while having a significant influence within a technical environment...Senior
- What You’ll Do Build agent planners, tool-call flows, and structured state machines using LangGraph or similar frameworks Design schemas... ...production, not just prototypes Work on complex, high-impact engineering workflows with real constraints High ownership and influence...Senior
- OpenAI in San Francisco, CA seeks a Senior Harness Engineer to own the architecture, design and integration of custom wire harnesses and FPCs for our advanced robotic systems. You will build prototypes, run bring-up, perform testing and refinement, and collaborate with...Senior
- Xcede, a top AI startup based in San Francisco, is seeking a Senior Software Engineer to build and scale AI systems. The ideal candidate will have over 3 years of software development experience, particularly in developing autonomous applications. This role involves owning...Senior
$200k - $300k
Init Intelligence — Senior/Staff Applied AI Engineer, Agent Harness Type: Full-time | On-site | San Francisco, CA Compensation: $200,000-$300,000 + 1%-2% equity Hiring count: 1 Visa sponsorship: Yes — H-1B, O-1, OPT Reports to: Founding team (Isaiah, co-founder, runs the...SeniorFull timeContract workH1bWork at officeVisa sponsorshipMonday to Friday- Arcadia is looking for a Senior Software Engineer (AI Agents) in San Francisco. In this pivotal role, you will build core systems for an intelligent automation platform used in operations-heavy industries. Your responsibilities will include designing production-grade LLM...Senior
- Cline is building open-source AI agents for developers and power users. We seek an experienced engineer to design and implement the agent systems behind the platform—runtime, orchestration, tools, evals, and product surfaces. You will break ambiguous goals into concrete...Senior
$166.9k - $225.9k
...intelligent AI capabilities into its trust platform. We are seeking a Senior AI Engineer to help design, build, and scale robust, high-impact AI... ...Architect and deploy scalable LLM + retrieval + agent systems in production environments Optimize for latency, cost...SeniorFull timeWork at officeImmediate startWorldwideMonday to FridayFlexible hoursDrata
San Francisco, CA9 hours ago- ...frontier models are trained and evaluated. The Agent Harness Bridge team sits at the boundary between... ...We're looking for a Principal Software Engineer to lead the architecture and evolution... .... This role is ideal for a senior backend or infrastructure engineer with...Full time
OpenAI
San Francisco, CA9 hours ago $193.4k - $290k
...customers — from leadership to engineers — and work together to solve... ...As a Software Engineer, Agents, you'll build the systems that... ...PowerPoint generation by tuning the harness and libraries for coding... ...hiring for this role across Mid, Senior, and Staff levels. ~...SeniorFull timeHarvey, Inc.
San Francisco, CA9 hours ago- ...seeking a Product Manager to own the Agentic Platform end-to-end, from roadmap to prompt engineering and evaluation. You will guide Seb, our embedded staff agent, and shape how AI harnesses are applied across modalities, working with engineers to ensure reliability and...Senior
- ..., and product design. About the role As a Software Engineer on the Agents team at Valerie, you'll build agent platforms that power complex... ...and computer-use. The work spans building multi-step agent harnesses, sandboxed environments, evaluation frameworks, and agentic...Full time
Valerie Health
San Francisco, CA9 hours ago $147.6k - $274k
..., unified group whose goal is to harness the transformative power of data... ...as a Machine Learning Scientist / Senior Machine Learning Scientist building agents for applied small‑molecule drug design... ..., computer science, chemical engineering or a related quantitative field...SeniorLocal areaWorldwideRelocation package- Ego AI, a YC-backed applied AI research lab, is hiring to own and evolve the agent harness and durable execution infrastructure in San Francisco. You will design the core agent loop, ensure durability through checkpointed sessions, and build robust compaction and memory...
- ...has been used for more than 500,000 patients worldwide. The Senior Test Engineer is a hands-on individual contributor on the Test Engineering... ...automated tests into CI/CD pipelines (e.g., GitHub Actions, Harness) and working with cloud environments such as AWS.Strong analytical...SeniorContract workFor contractorsLocal areaWorldwideRelocation
$230k - $315k
...problems.SuperApp is our flagship AI agent workspace. It unifies communication,... .... Powering SuperApp is our Agent Harness—the underlying execution engine that manages agent states, orchestrates... ...the technical roadmap, and mentor senior and mid-level software engineers across...Work at officeFlexible hours$165k - $227k
...united by this common purpose and we are hiring the world’s best engineers, scientists, designers, product managers, operations experts,... ...we build. If you’re equally comfortable writing a Python test harness and assembling a precision fixture, you’ll fit right in.ExpectationsWork...SeniorWork experience placement- ...entity. Responsibilities As a senior Machine Learning Systems Engineer on the Search Platform team, you... ...with robust monitoring and evaluation harnesses.Agentic Search & RetrievalDesign... ...infrastructure as a foundational layer for AI agents, ensuring retrieval quality,...SeniorWork at officeLocal area
$193.4k - $290k
# Senior Software Engineer, AgentsHarvey • San Francisco, California • • 2h agoSave this role or tell... ...Role Overview**As a Software Engineer, Agents, you'll build the systems that make... ..., context window management, and eval harness development.* Work with our model infra...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Agent Harness Engineer. Be the first to apply!
Related searches
- showing agent San Francisco, CA
- commissioning agent San Francisco, CA
- signing agent San Francisco, CA
- transfer agent San Francisco, CA
- state farm agent San Francisco, CA
- executive protection agent San Francisco, CA
- work from home chat agent San Francisco, CA
- cruise agent San Francisco, CA
- sourcing agent San Francisco, CA
- fbi agent San Francisco, CA