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Software Engineer
Halcyon Labs · Indexed today
Available in 3 locations
Herndon · onsite Apply → Oklahoma City · onsite Apply → Orlando · onsite Apply →About the role
Develop software for missile defense systems in a Linux environment using C++ and Python.
Software Engineer at Leidos
Software Engineer
Location: Huntsville, AL
Time Type: Full time
Job Description
Leidos Defense is seeking a talented Software Engineer to join a multi-disciplinary team within a matrixed organization to create unique solutions for complex problems, specifically regarding missile defense systems. 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 Software Engineer will support the software lifecycle of complex software systems. This includes developing software in a Linux environment using languages like C++ or Python. The selected candidate will develop in an Agile Scrum environment with DevSecOps. The selected candidate will collaborate with multiple stakeholders and utilize software best practices.
Primary Responsibilities:
– Developing software for use in a Linux environment
– Developing software in an Agile Scrum environment using Jira and Gitlab
– Collaborating with multi-disciplinary teams to implement desired software functionality
– Utilizing software best practices such as peer reviewing and unit testing
– Debugging and troubleshooting software in a HWIL setting
Basic Qualifications
– A Bachelor’s degree in Software Engineering, Computer Science, Computer Engineering, or equivalent degree from an ABET-accredited university with 4+ years of experience or an MS with 2+ years
– Strong competency in at least C/C++, Python
– Experience with software engineering throughout the software lifecycle
– Experience with software best practices such as peer reviews, automated testing, and document generation
– Experience collaborating with other functional groups (systems engineering, electrical engineering, test, etc.) to create a software product
– Experience working within an Agile environment (or equivalent)
– Experience using tools such as Jira and Gitlab (or equivalent)
– Experience developing within Qt IDE (or equivalent)
– Experience developing in a Linux environment
– Familiarity troubleshooting/testing software in an HWIL environment
– Must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance or meet the eligibility to obtain (and maintain) a Secret Clearance
Preferred Qualifications
Preferred candidates will also have experience and/or working knowledge with:
– Experience with buildroot and VMWare
– Experience using Wireshark and developing software that sends communications over a network (UDP/TCP)
– Supporting and maintaining CI/CD pipelines
– DoD acquisition processes and methods
– Resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area
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 6, 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 $87,100.00 - $157,450.00
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.
Read the full posting on echojobs →
FAQ
Is the Software Engineer role at Halcyon Labs remote?+
This Software Engineer position is listed as onsite.
What is the salary for the Software Engineer role at Halcyon Labs?+
The listing states Estimated 92k-185k USD.
What seniority level is this Software Engineer role?+
This is a mid level position.
How do I apply for the Software Engineer role at Halcyon Labs?+
Use the "Apply on echojobs" button to open the original posting on echojobs, where you can submit your application directly to Halcyon Labs.