Senior Cybersecurity AI Developer

Leidos LLC; Laurel (MD); On-site; USD 129,000 - 174,000; Full time

Job summary

Leidos is seeking a Senior Cybersecurity AI Developer in the Intel Sector to advance security engineering, CNO, mission software, analytics, SIGINT, and cryptographic key management.

The role emphasizes AI/LLMs, rapid prototyping, collaboration with operators, and scaling data analytics to strengthen defensive cyber operations.

Qualifications

• Must have formal software development experience across requirements analysis, design, implementation, testing, deployment, and maintenance.
• Masters level plus 6+ years, bachelor's 8, associate 10, or HS +12 years experience.
• Leadership experience preferred.
• Strong software engineering foundations.
• Python mastery for development and data manipulation.
• Cybersecurity concepts and defensive operations.
• Active TS/SCI with Polygraph required.

Responsibilities

• Build and prototype software to speed defensive cyber operations.
• Collaborate with mission operators to observe workflow challenges and design solutions.
• Integrate AI capabilities using LLMs to optimize development lifecycles and scale data analytics.
• Enhance mission capabilities across vulnerability patching, incident response, and threat emulation.

Skills

Python

Cybersecurity

AI/LLMs

Software Development

Leadership

Security Clearance

Education

Master's degree

Bachelor's degree

Associate's degree

High School Diploma

Tools

Kubernetes

Rancher

Splunk

Apache Airflow

Job description

Leidos has a new and exciting opportunity for a Senior Cybersecurity AI Developer in our Intel Sector. 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 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.

Job Responsibilities/Qualifications

• Mission Focus: Build and prototype software that directly increases the speed and efficiency of defensive cyber operations.
• Collaborate with Operators: Work closely with mission operators to observe workflow challenges and design innovative technical solutions.
• Integrate AI Capabilities: Leverage Large Language Models (LLMs) and corporate AI resources to optimize development lifecycles and scale data analytics.
• Enhance Mission Capabilities: Support critical workflows across vulnerability patching, incident response, and threat emulation.

Job Responsibilities/Qualifications

• Master’s degree +6 years, bachelor’s degree +8 years, associate’s degree +10 years, or High School diploma or GED +12 years of relevant experience.
• Relevant experience must be in the software development process (i.e., requirements analysis, software design, implementation, testing, integration, deployment/installation, and maintenance) and programming.
• Formal or informal leadership experience is preferred.
• Software Engineering: Strong foundational experience in core software development methodologies.
• Python Mastery: Proficiency in Python for application development, scripting, and data manipulation.
• Cybersecurity Exposure: Solid understanding of foundational cybersecurity concepts, defensive operations, or threat landscapes.
• Security Clearance Requirement: Active TS/SCI with Polygraph required to be considered for this role.

Desirable Skills

• Artificial Intelligence: Direct experience developing AI solutions and utilizing LLMs in production.
• Data Science: Background in data engineering, data science, or advanced analytics.
• SIEM Tools: Experience with Splunk development, dashboard creation, or data ingestion pipelines.
• Containerization & Orchestration: Hands-on experience with Kubernetes or Rancher architectures.
• Workflow Automation: Experience orchestrating data pipelines using Apache Airflow.

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.

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

August 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 $107,900.00 - $195,050.00. The Leidos pay range for this job level is a general guideline only and 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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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 here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity 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.