About this opportunity
System One lists this Senior Software Engineer opportunity in huntsville, Alabama. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Senior Software Engineer (Onsite) — Huntsville, AL
Type: Contract-to-hire
Work schedule: 40 hours/week
Security clearance: Active Secret clearance or ability to obtain
Pay rate: $117-125/HR
Overview
We’re hiring a Senior Software Engineer to lead and build software for tactical/mission-critical defense systems . You’ll help design modern, modular software frameworks and support software products ranging from analysis/simulation tools to mission planning and other critical system components. This is a hands‑on technical leadership role with real impact.
What you’ll do
Provide technical leadership for a team of 5–15 software engineers
Define full-stack architecture and design patterns for missile‑system applications (guidance, navigation, control, telemetry, mission planning)
Lead technical/design/code reviews to ensure quality and compliance
Make key technical decisions on tools, frameworks, and development approaches
Act as a primary technical partner to government stakeholders and program leadership
Mentor junior and mid‑level engineers
Drive open systems architecture and MOSA (Modular Open Systems Approach) adoption
Support flight test operations and post‑test analysis
Ensure compliance with safety, cybersecurity, and RMF‑related standards
What we’re looking for (must-haves)
Bachelor’s degree in a technical field (Software Engineering, CS, CE, EE, Aerospace, Math, or similar) with 3.0+ GPA
12+ years relevant experience (or 10+ with a Master’s)
Active Secret clearance or ability to obtain one
Proven experience leading software teams on complex, multidisciplinary work
Strong knowledge of open systems architectures and MOSA
Expert-level C/C++
Experience with Python and Java
Experience with real‑time embedded systems / RTOS (e.g., VxWorks, FreeRTOS)
Strong communication skills (able to present to senior leaders and government stakeholders)
Nice-to-haves
Defense, aerospace, weapons, or embedded missile systems background
Open architecture frameworks (e.g., FACE, OMS, SOSA )
Containerization/microservices (Docker/Kubernetes ) and CI/CD
MBSE / SysML
Standards like DO-178C or MIL-STD-882E
MATLAB/Simulink
Prior Software Lead / IPT Lead / Technical Lead experience
Agile Scrum Master / Product Owner experience
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #851-Rockville-S1
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Worksite address
huntsville, AL, 35824, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.