Junior Software Engineer
LeidosJunior Software Engineer
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Job #: R-00179226
Location:
Huntsville, United States
Category: Software Development
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: No Remote
Clearance: None
External Referral Program: Ineligible
Sector: Defense
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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:
- Utilize DevOps tools like GitLab for CI/CD practices.
- Implement and enhance complex software systems, including processing-intensive analytics on real-time systems.
- Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop RF simulation system backend software.
- Participate in test, 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.
- 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, and 3 years of relevant experience, or 7+ years of overall relevant experience in lieu of a degree.
- Experience writing object oriented code in C++
- Experience with scripting languages, such as Bash and Python
- Experience with Linux and Windows software development
- Knowledge of cyber-secure software development principles
- Ability and willingness to obtain and maintain a DoD Secret clearance. (U.S. Citizenship is required)
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:
- Knowledge of radar and RF principles
- High performance computing – x86 intrinsics, ARM SVE, GPU, etc.
- 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.
- Active Secret or higher security clearance is highly desired.
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 25, 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 $69,550.00 - $125,725.00
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.
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About This Listing
Some data on this page (such as salary estimates or market comparisons) is calculated by our system based on market data and may not reflect actual compensation offered by the employer.
Job details, requirements, and compensation are provided by the employer or sourced from public listings. We recommend verifying all information directly with the employer before applying.
View original listingReposted Job
Reposted (originally posted 159 days ago)
Employer is actively reviewing applications
0Estimate Based On
- Base salary for software engineer roles
- +15% clearance premium
Estimate based on Huntsville market data, role type, and clearance level. Actual compensation may vary.
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