Senior Software Engineer

Leidos has a new and exciting opportunity for a Senior Software Engineer in our National Security Sector's (NSS) 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. Click here to learn more about how this program “Delivers Mission Success!”

Seeking a motivated senior software engineer to provide support to a Cyber Security Operations mission by designing and implementing prototype software applications using a variety of APIs, frameworks, and programming languages. Support the Cyber analyst by providing software solutions that are required to support mission objectives. Ideal candidate would be a jack-of-all trades developer specializing in providing front end analytic presentation solutions in Splunk.

Job Responsibilities/Qualifications:

• Develop solutions in support of Defensive Cybersecurity Operations.
• Develop prototypes, answering new questions, as well as providing better answers to existing questions.
• Work directly with the customer in a highly collaborative, integrated fast-paced environment using leading technologies.
• Act as the development teams' primary point of contact for individual Cybersecurity missions as requested.
• This position's primary support is to Blue Team missions with opportunities to support Red, Hunt and JCMA missions as required.
• Provide mentorship to other developers and be open to learning to techniques and tools from other developers.
• Leverage skills to look for areas for process improvement and suggest solutions.
• Possible secondary opportunity to support Data Science team.
• Qualifications: Bachelor’s degree in computer science or related technical discipline plus eight (8) to twelve (12) years of relevant software engineering experience or a master’s degree plus six (6) years of relevant experience. An associate’s degree plus 10 years of relevant experience or high school diploma/GED plus 12 years of relevant experience may be considered for individuals with in-depth experience that is clearly related to the position
• Security Clearance: Active TS/SCI with Polygraph required to be considered for this role.
• Desirable Skills: Knowledge of Python, Splunk, Front end development (AngularJS, React, JS, etc.), Gitlab experience and experience with Atlassian Jira.
• You might also have: Experience with interfacing with Restful services, Java Scripting, Bash Scripting, Jenkins, Rancher/Kubernetes, Docker, Airflow and Data Science/Machine Learning.

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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Original Posting:

June 3, 2025

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 $104,650.00 - $189,175.00

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.