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AI Foundry Engineer; Tantus

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: Sikich LLC
Full Time position
Listed on 2026-07-17
Job specializations:
  • Software Development
    AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 165000 - 195000 USD Yearly USD 165000.00 195000.00 YEAR
Job Description & How to Apply Below
Position: AI Foundry Engineer (Tantus)

Position Summary

Tantus, a Sikich Subsidiary is seeking a highly skilled AI Foundry Engineer to support our government client.

Responsibilities
  • Understand and translate business requirements and problem statements into a set of prompts that direct AI foundry platforms and ecosystems to generate full stack, AI, and agent-based systems.
  • Assess the generated systems code to discover design gaps and inefficiencies, standard and coding style issues; identify and implement fixes in the design and code as necessary.
  • Test, verify, and deploy the end‑to‑end system/application.
Qualifications
  • Must be able to obtain and maintain a government‑issued Public Trust.
  • 20+ years of overall software, distributed systems, and cloud‑native system development experience.
  • Experience with coding standards (Google JavaScript/JSON style guide, PEP 8 style guide).
  • Knowledge of design patterns (GOF, others) and architecture frameworks.
  • 2–3+ years of developing and integrating AI, Generative AI, and agentic AI algorithms, models, frameworks, and prompt engineering.
  • Familiarity with emerging standards for AI agent ecosystems.
  • SME/Power user for at least one Generative AI system (Gemini, ChatGPT, Claude, CoPilot).
  • Prompt engineering skills—translating business/user requirements into prompts.
  • 5–7+ years of in‑depth, hands‑on experience with one or more web application frameworks and programming languages.
  • Proficiency with Angular, React, Python, Node.js, Rust.
  • Minimum of 5 years of in‑depth, hands‑on experience with one or more cloud tech stacks, including virtual network architecture, design, implementation, and management.
  • Experience with AWS / Google (preferred) or Azure / Oracle.
  • Minimum one‑year experience with one or more QA frameworks and test automation platforms.
  • Experience testing AI and LLMs using tools to evaluate accuracy, bias, and reliability.
  • Hands‑on experience with tools such as Braintrust and Galileo.
Compensation

Salary range: $165,000 – $195,000. Final offer may vary based on experience and geographic location.

Additional Skills
  • Servant Leader:
    Hyper‑focused on engaging employees, fostering development, and building a positive culture.
  • Solutions Focused:
    Sees opportunities in every business problem and can develop, articulate, and implement solutions.
  • Collaboration:

    Builds relationships across all levels of the organization and all business units.
  • Instills Trust:
    Acts with integrity, follows through on commitments, and is consistently credible.
  • Impact & Influence Thinking:
    Gains support for ideas and gets others to act to advance initiatives.
Benefits
  • Flexible Time Off (FTO) Policy—activated on the first day, available for personal time, mental/physical health, vacation, sick leave, etc.
  • Paid holidays throughout the year and potential time off during the last week of the calendar year if client/project work permits.
  • Comprehensive wellness program with activities tracked through a wellness provider for rewards.
  • Flexible work arrangements.
  • Health, dental, vision, life, and accident/death/disability insurance options.
  • HSA employer contribution.
  • 11 paid holidays annually.
  • Paid Parental Bonding Leave covering birth, adoption, and foster children.
  • 401(k) with employer contributions.
  • Tuition reimbursement.
  • Generous employee referral bonus program.
  • Client referral bonus program.
  • Pet insurance.
  • FORCE community volunteer program—up to four paid hours annually for local volunteer work.

Tantus, a Sikich Subsidiary is an Equal Opportunity Employer M/F/D/V.

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