Software Systems Engineer III

Job overview

The Software Systems Engineer III role is onsite in Huntsville, AL. Compensation is $54.40–$60.00 per hour. The position supports defense-related programs through the full system development lifecycle. The engineer develops and maintains system requirements, architecture, models, interfaces, and technical documentation, while supporting integration, testing, verification, and risk management. The role contributes to program execution by ensuring traceability, compliance, and system performance across multidisciplinary teams.

What you'll do

• Perform lifecycle systems engineering activities
• develop and maintain engineering documentation
• support requirements decomposition, allocation, traceability, and change management
• use Jama and Cameo Systems Modeler
• develop SysML diagrams and system models
• participate in technical and design reviews
• collaborate with software, hardware, cybersecurity, integration, and test teams
• support risk mitigation and technical issue resolution.

What we're looking for

Skills & competencies

software systems engineer

systems engineering

mbse

cameo systems modeler

sysml

jama

requirements management

defense programs

secret clearance eligibility

huntsville al

system one

$54.40–$60/hour

Work arrangement

• Weekend coverage required

Benefits & perks

• Eligible employees may have medical, dental, vision, spending accounts, life insurance, voluntary plans, and 401(k) participation.

Why this role

Requires eligibility for Secret clearance, a relevant bachelor’s degree, defense program experience, and hands-on MBSE experience with Cameo and SysML.

About the employer

System One is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.