Active Top Secret clearance required; TS/SCI must be obtained prior to starting.
BS degree or certification with 12-15 years of relevant experience, or a Master's with 10-13 years; Doctorate may substitute for experience.
Minimum 8 years of experience with JavaScript, Python, or C# development frameworks.
Proven experience with web-enabled applications for at least 8 years.
Expert knowledge of advanced technical principles and problem-solving skills.
Responsibilities
Build and modify existing GOTS code to integrate open-source software for web applications.
Utilize programming languages including C#/Java, JavaScript/TypeScript, Python, and Shell scripting.
Document new and existing functionalities in software version control (GitLab) using DevOps principles.
Engage in Agile software development initiatives, including standups and planning sessions.
Collaborate with team members to assess and ensure proper testing and delivery of functionalities.
Benefits
Opportunity for a temporary to permanent hire position.
Work within a collaborative Agile environment.
Engagement with advanced software development tools and practices.
Potential for professional growth in a mission-driven organization.
Full Job Description
The Leidos FS2 Aero team has an opening for a senior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office for 6 month 6 temporary to permanent hire position. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission.
Primary Responsibilities
Primary responsibilities will involve building software coding knowledge providing the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application.
This role will work with programming languages to include C#/Java and JavaScript/TypeScript, Python, Shell scripting.
Creation and documentation of new and existing functionality within software version control repositories (gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct.
Participate in program Agile software development initiatives (standup, planning, Increment planning) to support applications through iteration/functionality utilizing Atlassian (Jira/Confluence).
Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria.
Basic Qualifications
Candidate must have an active Top Secret.
Candidate must be able to obtain a TS/SCI prior to starting.
Candidate must be able to maintain TS/SCI and obtain a successful CI poly post hire.
Requires BS degree or certification and 12-15 years of prior relevant experience or Masters with 10-13 years of prior relevant experience. May possess a Doctorate in technical domain. Additional years of experience may be considered in lieu of a degree.
Minimum 8 year of experience with JavaScript, Python, or C# development framework.
Minimum 8 years of experience of working with web-enabled applications.
Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
Requires expert knowledge of and ability to apply advanced technical principles, theories, and concepts.
Ability to resolve highly complex technical problems through advanced analysis, research, and application of best practices.
Basic understanding of AI tools and their applications in software development, including code assistance, debugging, documentation, and productivity enhancement.
Demonstrated ability to effectively plan, prioritize, and manage multiple tasks simultaneously. Ensures assignments are completed accurately, on time, and to established quality standards with a strong attention to detail.
Excellent verbal and written communication skills with the ability to engage effectively with team members, leadership, and customers. Capable of tailoring messages to diverse audiences, presenting ideas clearly, and collaborating with stakeholders to develop, evaluate, and implement technical solutions, processes, and approaches.
Preferred Qualifications
At least 1 years of experience with DOD software requirements.
At least 12 year of experience working in a government cloud environment.
AWS Solutions or DevOps certification
Team Collaboration tools (Jira, Confluence)
Active TS/SCI with Polygraph
DOD 8570 Compliant Certification (Sec+)
#NSBA
Original Posting:October 23, 2026
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 Holding
Leidos Holding Careers
Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.
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