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Job #: R-00127368
Location: Lawton, OK
Category: Software Engineering
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: No Remote
Clearance: Top Secret/SCI
Referral Eligibility: Eligible
Group: Defense Systems

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The CEMA Dept at Leidos Defense Systems is seeking a talented Senior Lead Software Engineer in Lawton, OK to join our local development team to create unique solutions for complex problems in system security, engineering, and defense domains.

As a Senior Lead Software Engineer, you will bring your passion of software design and development to design, build, deploy and maintain mission critical solutions that support our customers’ mission objectives. You will also be responsible for working with other software engineers and product managers, contributing directly to feature design and architecture.

Our team is primarily in-person in Lawton. Culturally, we place emphasis on trust, respect, asynchronous communication, creativity, and valuing the mission of our customers.

The Senior Lead Software Engineer is a key individual contributor role and an opportunity to apply your unique combination of technical skills to developing our customers’ solutions.  In addition, you will leverage your skills as a leader and a mentor to develop the software engineers you work with.

Primary Responsibilities

  • Demonstrate technical leadership to a team of software engineers in developing offensive and defensive cyber tools focused on Radar and C2 systems
  • Develop simulations to emulate threat realistic CEMA environments.
  • Mentor and develop other software engineers.
  • Research current and future cyber security threats against military systems.
  • Drive continuous improvement by pushing for changes that improve reliability and velocity.
  • Define the technical direction of our products technology stack.
  • Work with subject matter experts and customer liaisons to define and develop solutions that solve our customer’s problems.


  • Candidate must possess at least a Bachelor’s Degree in Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, or related technical degree.
  • Minimum of eight years of full-time of related experience in an agile software engineering team environment. An MS degree in a relevant field can be used in lieu of two years of experience.
  • Expert in C++ or Python.
  • Deep understanding of Linux platforms
  • Experience and interest in fundamental networking implementations and concepts.
  • Candidate must be willing to travel approx. 10% each year if necessary — moderate travel to testing locations, typically CONUS.

Candidate must live in or be willing to relocate to Lawton, OK area.

Desired Skills:

  • Strong written and verbal communication skills
  • Extensive experience with software engineering and should be prepared to demonstrate:
    • Expert experience in software architecture and design
    • Minimum 3 years’ experience leading Software Development team(s)
    • Experience with Agile software development, CI/CD toolchains and DevOps (e.g., Atlassian suite, git, Jenkins, Artifactory)
  • Experience with the following tools, concepts, and products is a plus:
    • Ubuntu, Red Hat, Kali Linux, or similar
    • Networking Protocols
    • Wireshark

Security Requirements:

Candidate must be a US Citizen and possess (and be able to maintain) a Final Top Secret/SSBI Clearance or meet the eligibility to obtain (and maintain) a Final Top Secret Clearance.

Original Posting Date:


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 $101,400.00 - $183,300.00

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 a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.  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 here.

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 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 [email protected].

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 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.

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