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Senior Staff AI, Agentic Systems Engineer

Systems EngineerSystems EngineerFull TimeRemoteSeniorTeam 501-1,000Since 1998H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

9 hours ago

Salary

0

Seniority

Senior

7 yrs expEnglishPythonGo

Job Description

Senior Staff AI, Agentic Systems Engineer

Mozilla

• Architect Agentic Systems from Zero: Design and deploy production-grade multi-agent frameworks, complex orchestration layers, and custom AI developer tooling. • Balance Speed and Scale: Navigate the tension between rapid prototyping and long-term sustainability. • Orchestrate LLM Workflows: Navigate and integrate various commercial and open-source large language models. • Accelerate with AI Tooling: Lead by example by extensively leveraging advanced AI coding tools. • Drive Evaluation and Performance: Implement rigorous frameworks for benchmarking, prompt engineering, and evaluating agent reliability, latency, and accuracy. • Collaborative Technical Leadership: Set engineering standards for code quality and system performance, mentoring other engineers.

Job Requirements

  • 7+ years of professional software engineering experience, particularly in fast-paced environments where you've shipped complex systems from scratch.
  • A proven ability to judge technical debt.
  • 2+ years of direct, hands-on production experience specifically building autonomous workflows, custom tools, and agentic systems.
  • Deep familiarity with diverse LLMs and orchestration frameworks (e.g., LangChain, LangGraph, CrewAI, AutoGen, or similar tools).
  • Prior early-stage startup experience, meaning you are comfortable with ambiguity, pivot quickly based on data, and focus heavily on execution.
  • Deep, everyday proficiency building software with advanced AI coding tools (such as Cursor, Copilot, or custom LLM extensions) to radically speed up delivery.
  • Comfort writing clean, high-performance code in languages like Python or Go, with a solid grasp of distributed backend systems.

Benefits

  • Generous performance-based bonus plans to all eligible employees – we share in our success as one team
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
  • Quarterly all-company wellness days where everyone takes a pause together
  • Country-specific holidays plus a day off for your birthday
  • One-time home-office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Other benefits (life/AD&D, disability, EAP, etc. – varies by country)

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