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Description

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

**Leidos Defense Systems Sector** provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.

Leidos is seeking a talented **Principal CEMA Software Engineer** in Lawton, OK to join our local development team to create unique solutions for complex problems in engineering, spectrum warfare, and defense domains. As a Principal CEMA 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 Principal CEMA 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 technical leader and a mentor to develop other software engineers on the team.

Primary Responsibilities

+ Demonstrate technical leadership and mentorship to a team of software engineers in developing offensive and defensive cyber tools focused on radar, C2, surface-to-air, and artillery systems.

+ Develop simulations to emulate threat-representative Cyber and Electromagnetic Activities (CEMA) effects and 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 and vision for our software products.

+ Work with subject matter experts and customer liaisons to define and develop solutions that solve our customers’ problems.

Basic Qualifications

+ Candidate must possess at least a Bachelor’s Degree in Electrical Engineering, Computer Engineering, Software Engineering, Computer Science, or related technical degree.

+ BS degree with 12+ years of software engineering relevant experience, or MS degree with 10+ years of software engineering relevant experience.

+ Candidate must be willing to travel approx. 10% each year if necessary — moderate travel to testing locations, typically CONUS.

+ Must live in **or** be willing to relocate to Lawton, OK.

+ Candidate must be a US Citizen and meet the eligibility to obtain (and maintain) a Final Top-Secret Clearance.

Preferred Qualifications

Extensive experience with software engineering and should be prepared to demonstrate:

+ Experience in software architecture and design

+ Minimum 4 years of experience providing technical leadership and mentorship to software development team(s)

+ Proficient in C++ or Python

+ Deep understanding of Linux platforms

+ Experience and interest in fundamental networking implementations and concepts.

+ 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

Original Posting:

July 17, 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 $126,100.00 - $227,950.00

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.

REQNUMBER: R-00162865

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.