Senior Software Test Engineer

System One; Huntsville (AL); On-site; USD 161,000 - 172,000; Full time

Job summary

System One in Huntsville, AL is seeking a Senior Software Test Engineer to help build and run automated test solutions for mission-critical software. You’ll work closely with developers and other engineers to improve product quality through smart test strategy, strong test execution, and clear documentation.

The role requires leadership in testing complex systems, hands-on scripting, and mentoring junior testers while collaborating across teams to ensure robust releases.

Qualifications

• Bachelor’s degree in a technical field (CS, Software Engineering, EE, Math, etc.).
• 12+ years of relevant experience (or 9+ with MS).
• Experience testing complex software systems and delivering automated testing.
• Ability to code/scripting in one or more: C#/.NET, C/C++, Java, Python, Ruby.
• Strong communication skills (technical + cross-team).

Responsibilities

• Create and execute test plans, test strategies, and test designs.
• Build/maintain automated test frameworks and infrastructure.
• Perform integration testing, manual testing, and formal qualification testing.
• Review and write testing/engineering documentation (industry standards).
• Collaborate daily with software engineers; mentor junior test engineers.

Skills

Test automation

Software testing

Scripting languages

Communication

Education

Bachelor’s degree in technical field

Job description

Type: Contract-to-hire
Pay: $117–$125/hr (W2)
Location: Huntsville, AL
Clearance: Active Secret preferred, or ability to obtain

Summary

We’re hiring a Senior Software Test Engineer to help build and run automated test solutions for mission-critical software. You’ll work closely with developers and other engineers to improve product quality through smart test strategy, strong test execution, and clear documentation.

What you’ll do

• Create and execute test plans, test strategies, and test designs
• Build/maintain automated test frameworks and infrastructure
• Perform integration testing, manual testing, and formal qualification testing
• Review and write testing/engineering documentation (industry standards)
• Collaborate daily with software engineers; mentor junior test engineers

What we’re looking for

• Bachelor’s degree in a technical field (CS, Software Engineering, EE, Math, etc.)
• 12+ years relevant experience (or 9+ with MS)
• Experience testing complex software systems and delivering automated testing
• Ability to code/scripting in one or more: C#/.NET, C/C++, Java, Python, Ruby
• Strong communication skills (technical + cross-team)

Nice to have

• Automated UI testing experience
• Experience with standards like IEEE 12207, CMMI, MIL-STD-882E, DO-178C/DO-278, RMF
• CI/CD, containers, microservices
• Embedded systems testing experience
• MBSE/SysML, MATLAB/Simulink testing, mission planning/navigation systems knowledge

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.

#M-1
Ref: #851-Rockville-S1