Software Engineer

Description

Leidos Defense Systems is seeking a self-motivated Software Engineer to work as part of a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions.

The Threat Systems Development Branch is a group of engineers who specialize in foreign threat radar systems, RF software-in-the-loop (SIL) and hardware-in-the-loop (HWIL) simulators, and open-air radar development. The candidate selected for this position will support projects for the Defense Intelligence Community (IC), Air Force, and large prime contractors.

Primary Responsibilities:

• UtilizeDevOps toolslike GitLab for CI/CD practices.
• Implement and enhance complex software systems, includingprocessing-intensive analytics onreal-time systems.
• Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop RF simulation system backend software.
• Participate intest, staging, and production deployments, ensuring system reliability and performance.
• Configure and manage Linux and Windows operating systems, install/load software, troubleshoot, maintain network integrity, and implement system enhancements.
• Provide day-to-day IT support, monitoring, and problem resolution for client/server/storage/network devices.
• Work with multidisciplinary teams to debug problems when integrating threat models.

Qualifications

• Candidate must have a BA/BS degree in Computer Science, Computer Engineering, or a related field, or 5+ years of overall relevant experiencein lieu of a degree.
• Current Security+ certification.
• Experience writing object oriented code in C++ or C#
• Experience with scripting languages, such as Bash and Python
• Experience with Linux and Windows software development
• Knowledge of cyber-secure software development principles

Candidate must be a resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama area

Desired Skills:

• Preference will be given to candidates who possess one or more of the following qualifications:
• Radar and RF principles
• Experience with Real Time OSs - RT-Linux, INTime, FreeRTOS, Integrity, VXWorks, etc..
• Familiarity with Yocto.
• Understanding of network principles and protocols (ISO/OSI model, TCP/IP, etc.)
• Experience configuring machines to meet NIST, CMMC, and STIG requirements.

Security Requirements:

Candidate must be a US Citizen and possess (and be able to maintain) a Secret Clearance.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

March 24, 2026

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 $57,850.00 - $104,575.00

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

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-Discrimination

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.