Junior Software Engineer
Company: Leidos
Location: Huntsville
Posted on: April 1, 2026
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Job 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: 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. 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.
Keywords: Leidos, Hoover , Junior Software Engineer, IT / Software / Systems , Huntsville, Alabama
