Senior AI Systems Engineer (SE-3)

Description

Leidos has a new and exciting opportunity for a Senior AI Systems Engineer in our Intelligence Sector's (INTEL) Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos , we offer competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary:

Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Clickhere ( to learn more about how this program “Delivers Mission Success!”

Seeking a motivated Senior AI System Engineer to support the exciting Technology & Tradecraft Integration mission. The Engineer will work closely with mission stakeholders design, integration, and implementation of advanced AI-enabled solutions, ensuring scalable, secure, and mission-focused system architectures. This role requires expertise in systems engineering, cloud technologies, data pipelines, analytics, and modern AI capabilities, including Agentic AI workflows and natural language interfaces.

*Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus.

Job Responsibilities/Qualifications:

• Mission Focus : Collaborate closely with customers to design and implement AI-enabled solutions that support data-driven decision-making, operational effectiveness, and mission success. Adept at integrating advanced analytics, Agentic AI workflows, cloud technologies, and knowledge management capabilities to transform complex data into actionable intelligence. Proven ability to align technical architectures and system capabilities with evolving mission requirements while ensuring scalability, reliability, and user adoption.

• Technical Proficiency : Demonstrated technical proficiency in analyzing complex problems and developing scalable AI-enabled system architectures that align with mission and business objectives. Experienced in translating conceptual designs into detailed technical specifications while applying systems engineering principles to evaluate system-wide impacts, dependencies, and performance. Skilled in designing and implementing Agentic AI workflow automations for data pipelines, research, analysis, and reporting, as well as developing intuitive natural language interfaces to knowledge graphs. Proficient in AWS cloud services, data migration to AWS-hosted databases, advanced analytics, statistical analysis, and the visualization of data science insights to support informed decision-making.

• Qualifications : Bachelor's degree plus nine (9) years of relevant systems engineering experience or equivalent. Proficiency with object-oriented languages (JAVA, Python, JavaScript) and experience with Jupyter Notebooks, GHOSTMACHINE, data visualization platforms, generative AI, LLM, RAG, Neo4j, AWS (Lambda, EC2, ECS/EKS, SAGEMAKER, S3, RDS, OpenSearch).

• Security Clearance : Candidates must possess an active TS/SCI with Polygraph to be considered for this role.

• Desirable Skills : Knowledge of customer corporate tools and data repositories.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

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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 1, 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 $107,900.00 - $195,050.00

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-00184506

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.