AI Architect (Technical Lead)
Quick Summary
Expression is seeking an experienced AI Architect to serve as Technical Lead designing and technically integrating advanced Artificial Intelligence (AI) and Large Language Model (LLM) capabilities supporting the Department of Homeland Security (DHS).
This role will support the development and integration of secure, mission-focused AI agents within the DHS AI environment. The selected candidate will lead the adaptation of multi-agent AI capabilities, including intelligent workflow orchestration, retrieval-augmented generation (RAG), model evaluation, and governed enterprise data integration, to enhance investigative analysis, information retrieval, report generation, and human decision support.
The ideal candidate is a hands-on AI architect and technical leader with extensive experience designing and delivering enterprise AI applications. You are equally comfortable defining system architecture, developing and reviewing production-quality software, integrating LLMs with enterprise data systems, and mentoring engineers through complex technical challenges.
This position requires a strong understanding of modern AI engineering, distributed application architectures, secure API development, and responsible AI deployment within highly regulated environments. You will work closely with AI engineers, data engineers, program leadership, and Government stakeholders to deliver reliable, explainable, secure, and scalable AI capabilities.
Responsibilities
~1 min readExpression offers competitive salaries and benefits, such as:
- →401k matching
- →PPO and HDHP medical/dental/vision insurance
- →Education reimbursement up to $10,000/yr
- →Complimentary life insurance
- →Generous PTO and 11 days of holiday leave
- →Commuter Benefits Plan
Founded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, AI/ML, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. Expression’s culture focuses on creating immediate and sustainable value for our clients via agile delivery of tailored solutions built through constant engagement with our clients. Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest-growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.
We make sure to provide everyone with the tools and opportunities to grow while working on some of the newest technologies in the industry. We get excited about celebrating our professionals' milestones, accomplishments, promotions, overcoming challenges, and many other aspects that make an engaging collaborative environment.
Equal Opportunity Employer/Veterans/Disabled
Expression is an Equal Opportunity Employer. If you require a reasonable accommodation during the application or interview process, please submit your request to our Human Resources department through the application portal.
Location & Eligibility
About this job
- Pay per year
- $10,000 a year
- 94% below the $175,000 median for Architect jobs on Jobera (822 salaries).
- Who can apply
- United States
- Posted
- Today
Listing Details
- First seen
- November 11, 2026
- Last seen
- November 11, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 71%
- Scored at
- November 11, 2026
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