Description

The National Security Sector at Leidos currently has an opening for a Secret cleared Senior Software Developer to work in our Lawton, Oklahoma office. This is an exciting opportunity to use your experience helping the Fires Division Post Deployment Software Support (PDSS) and Post-Production Software Support (PPSS) Maintenance and Sustainment mission. In this mission we provide engineering and technical services to the CECOM Software Engineering Center Mission Command Division based in Aberdeen MD with operations located at Ft. Sill/Lawton, OK.

Successful candidates will support our customer in creating capabilities and providing technical services and subject matter expertise in Mission Command, Fires and C2 Maneuver systems. You will provide technical support to the Family of US Army’s FIRES Systems including: AFATDS, AN/TQP-53 and LCMR Q49A.

Primary Responsibilities:

• Assist in the design, development, and maintenance of software for a variety of engineering applications.
• Work with analysts to understand their analytic or interface requirements.
• Assist in developing tools and interfaces.
• Assist in design, development, and testing of operating systems-level software, compilers, and network distribution software applications.
• Assist in setting operational specifications and formulate and analyzing software requirements.
• Assist in design embedded systems software.
• Analyze user needs; develop and design software solutions.

*** Candidate must be local to Ft Sill, OK area and must be willing to work on site. No relocation is available and start date must be within 2 weeks.

Basic Qualifications

• Bachelor’s Degree in computer science, electronics engineering or other engineering or Technical discipline with 8-12 years prior relevant experience in software development.
• CISSP-ISSEP, FITSP-D, GCSA, GISF, or SSCP certification may be substituted for the degree
• US Citizenship required
• Active and current Secret clearance

Preferred Qualifications

6 years of Agile Development experience.

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:
October 7, 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.

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 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 at www.leidos.com/careers/pay-benefits.

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 LeidosCareersFraud@leidos.com.

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-Descrimination

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.