Senior AI Engineer
$131.3k - $237.35kLeidos
Description
Are you ready to thrive? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.
Join Leidos’ all-star team supporting the Defense Intelligence Agency’s Enterprise Digital Modernization Accelerator initiative. This program is at the forefront of deploying enterprise-scale AI, data, and mission platform capabilities across cloud, edge, and classified environments. We are looking for creative, driven, and mission-focused professionals ready to take their career to the next level.
As a Senior AI Engineer, you will :
Support the development and operationalization of AI and agentic AI systems in production mission environments.
Collaborate with multidisciplinary teams of analysts, engineers, and developers to solve complex challenges and deliver innovative, production-ready algorithms and platforms.
Apply cutting-edge techniques in statistical analysis, predictive analytics, entity resolution, graph analytics, explainable AI, and operational analytics.
Contribute to the integration of AI, DevSecOps, data engineering, platform engineering, cybersecurity, and observability in a fast-paced, engineering-centric environment.
Enjoy flexible work arrangements, including remote and on-site work in the National Capital Region (Rockville, MD and/or Alexandria, VA).
What You Bring:
Bachelor’s, Master’s, or equivalent graduate degree in a quantitative or analytical field (Computer Science, Mathematics, Statistics, Engineering, Physics, Computational Social Science, etc.). Additional/Relevant experience may be substituted for a degree.
12+ years of experience in data science, analytics, or quantitative intelligence analysis, developing analytics and AI/ML solutions (4+ years with a Master’s).
Active Top Secret clearance and eligibility for TS/SCI with Polygraph.
Demonstrated experience collaborating with hybrid teams to research, build, and deploy complex, user-friendly analytical platforms.
Track record of creative problem solving, active learning, and mission-focused outcomes.
Experience with the following:
AI/ML production engineering
LLMOps / MLOps
RAG architectures
AI orchestration frameworks
Kubernetes-based AI deployments
OpenAI-compatible APIs
Python development
GPU inference optimization
Preferred Qualifications:
Experience supporting military or intelligence community customers.
Familiarity with Azure/C2S, hardware platforms (CPUs, GPUs, FPGAs), and advanced analytical methodologies (social network analysis, supply chain analysis, NLP, classification algorithms, image processing).
Familiarity with the following technologies
LangGraph
Semantic Kernel
vLLM
Ollama
Ray
NVIDIA GPU ecosystems
Vector databases
#ASBA
#NMEC-Leidos
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
June 25, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $131,300.00 - $237,350.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
REQNUMBER: R-00186145
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.
$131.3k - $237.35k
...This program is at the forefront of deploying enterprise-scale AI, data, and mission platform capabilities across cloud, edge,... ...professionals ready to take their career to the next level.As a Senior AI Engineer, you will:Support the development and operationalization of AI...SeniorFull timeRemote workFlexible hours- X-energy LLC is seeking an AI & Digital Engineering Software Engineer IV in Rockville, MD to contribute to AI-native solutions for Xe-100 reactor development. You will join a tiger-team, use Claude Code and AWS-based tooling, and collaborate across systems engineering,...Senior
- X Energy, LLC in Rockville, MD is seeking an AI & Digital Engineering Software Engineer IV to accelerate nuclear reactor development workflows by designing AI-native applications and robust platform infrastructure. You will work within a tiger-team, leveraging AI tools...Senior
- X-energy is seeking a Senior forward-deployed engineer for the APEX platform team in Gaithersburg, MD. You will bridge platform development with stakeholders... ..., regulatory, and operations, architecting agentic AI workflows and full‑stack tooling (React, TypeScript,...SeniorWork at office
- X-energy LLC is hiring an AI & Digital Engineering Engineer to accelerate reactor development by designing AI-native applications and agentic workflows within a fast-paced tiger-team. You will apply modern LLMs, agentic AI, and cloud-native engineering to transform requirements...Senior
- ...GmbH in Gaithersburg, MD seeks a pragmatic builder-architect—senior engineer who ships fast with design discipline. This hands-on technical... ...raising the engineering bar within your team. You will design AI-powered features, own the full stack, mentor engineers, and read...Senior
- ...Job Title : Senior AI Engineer - Subject Matter Expert III Location: Tysons Corner, VA (Remote) Employment Type: Full-Time Job Summary We are seeking a Senior AI Engineer – Subject Matter Expert III to design and implement AI/ML solutions that enhance...SeniorFull timeRemote work
$150k - $180k
...PiperPosition Owner: Kara TrullenderZachary Piper Solutions is seeking an Senior AI Software Developer to join our government customer located in... ...solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. This is a hybrid...SeniorContract workWork from home- ...health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working... ...for a career with purpose — and help shape the future.Our AI-enhanced Discovery and Decisions department has a need for an Artificial...SeniorInternshipLocal areaImmediate start3 days per week
$107.9k - $195.05k
...PiperPosition Owner: JD BuckZachary Piper Solutions is seeking a Senior AI Software Developer to support a company focused on modernizing... ...microservices-based applications using modern software engineering best practices.Collaborate with systems engineering, product owners...Senior$160k - $180k
...PiperPosition Owner: Mark McMullenZachary Piper Solutions is seeking a Senior AI Software Developer to support the development and... ...leadership and mentorship to software developers while promoting engineering best practices and continuous improvementDevelop clean, maintainable...SeniorContract work3 days per week- ...health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working... ...and help shape the future.Department Summary:MITRE’s Multi-INT AI Engineering Department effectively combines the deep technical...SeniorWork experience placementInternshipLocal areaRemote work
- # Senior AI Engineer — Foundations & Production**Capital One** • McLean، US2 weeks ago Full-time 197K–225K a yearJobLeadsCapital One is seeking an AI Engineer to design, develop and deploy AI software components, including foundation model training, inference, agents,...SeniorFull time
$107.9k - $195.05k
Leidos is seeking a Senior AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development... ...management capabilities. We are building with an AI-first engineering mindset, embracing emerging AI capabilities and modern...SeniorFull timeRemote workWork from home- ...PiperPosition Owner: Julia FaiolaZachary Piper Solutions is seeking a Senior AI Software Developer to support the modernization of mission-... ...software solutions while partnering closely with systems engineering, product management, and DevSecOps teams. The position centers...SeniorContract work
$122k - $240.5k
Position Summary Agentic AI is moving from experimentation to production, and... ...responsibly and at scale. We're growing a team of engineers who want to work at the center of that... ...From entry-level employees to senior leaders, we believe there’s always room to...SeniorWork at officeLocal areaVisa sponsorshipShift work- ...considering candidates already local to the Washington, D.C. area who can start immediately. We are seeking an experienced AI & Financial Engineering Developer with expertise in AI/ML, financial systems, and enterprise software development. This role is ideal for a...SeniorLocal areaImmediate start
- ...health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working... .... Roles & Responsibilities:This role focuses on applying AI/ML solutions to the field of embedded security. Engineers in this...SeniorWork experience placementInternshipLocal areaImmediate start3 days per week
- ...The Opportunity At Rohirrim, we're building the AI that powers how the government buys - from billion-dollar weapons systems... ...matter. We're looking for a talented, self-driven Agentic AI Engineer to join our core engineering team and help build the next generation...SeniorWork at office3 days per week
- ...health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working... ...- and help shape the future. MITRE's Trustworthy & Secure AI (TSAI) Department consists of a diverse team united by a passion...SeniorWork experience placementInternshipLocal areaImmediate start3 days per week
$111.48k - $142.44k
...Senior AI Engineer Req Id: 457 Location: CLARKSBURG, MD, US, 20871 Date: Oct 6, 2026 Thales Defense & Security, Inc. (TDSI) Headquartered in Clarksburg, MD, is a U.S. company that has been serving domestic and international...SeniorWork experience placementLocal areaImmediate start$150k - $190k
...Overview Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies... ...Summary We have an immediate need for a highly skilled Senior Google AI Engineer. We are growing our Google Cloud AI engineering capability to...SeniorTemporary workImmediate startWorldwide$50 per hour
...ServicesStandard Job DescriptionTeam OverviewThe Rotary Mission Systems (RMS) AI Hub team, within Lockheed Martin's Data & AI Enablement (D&AE)... ...s customers.Standard Job Description For A/AI Machine Learning Engineering SeniorResponsible for developing, integrating, and deploying...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours- ...MITRE Trustworthy & Secure AI Department At MITRE, your passion fuels work that impacts our nation and improves lives. This is... ...health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working...SeniorWork experience placementImmediate start3 days per week
- ...Foundations and Experiences (IFX) team is at the center of bringing our AI vision to life. We work hand-in-hand with partners across the company to advance the state of the art in science and AI engineering, building proprietary solutions that deliver value to millions of...Senior
- ...Government. Be a part of something special! Position Overview AI/ML Engineer to join team at USPTO. In this role, you will assist in... ...well as cross-functional teams. Technical Performance: Senior skills Supervised fine-tuning, preference tuning, domain adaptation...SeniorFlexible hours
- Capital One is seeking an AI Engineer in McLean to help build responsible AI systems across banking products. You will partner with engineers, researchers, PMs to deliver AI-powered solutions from foundation models to production pipelines. The ideal candidate has 6+ years...Senior
- Capital One is seeking an AI Engineer 5 to advance foundations, LLM core and agentic AI on scalable, responsible systems. You will partner with cross-functional teams to ship AI-powered products that transform how associates work and how customers interact with Capital...Senior
- Capital One is seeking an AI Engineer 4 to join the Intelligent Foundations and Experiences team in Cambridge, MA, with additional roles in McLean, VA, New York, NY, San Francisco, CA, and San Jose, CA. You will design and deploy AI-powered products, optimize model inference...Senior
- Capital One is hiring an AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services) to join the IFX team in McLean, VA. You will design, train, and deploy AI systems, leveraging a mix of Open Source and SaaS tools, and lead multi-model pipelines with strong governance and...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior AI Engineer. Be the first to apply!
- ai developer Rockville, MD
- ai prompt engineer Rockville, MD
- ai engineer Rockville, MD
- senior living Rockville, MD
- senior application support engineer Rockville, MD
- senior devops Rockville, MD
- senior property accountant Rockville, MD
- senior IT manager Rockville, MD
- sr operations manager Rockville, MD
- senior performance engineer Rockville, MD




