Software Systems Engineer III
System One • Huntsville, AL • Posted July 11, 2026
About the Role
Job Title: Software Systems Engineer III
Location: Huntsville, AL
Type: Contract - W2 only
Compensation: $54.40 - $60.00 per hour
Work Model: Onsite
Hours: 40.0
Security Clearance: Secret Clearance (Eligibility for Secret Clearance)
Overview
Software Systems Engineer III is a systems engineering role supporting defense-related programs through the full system development lifecycle. The position focuses on requirements management, system architecture, MBSE modeling using Cameo Systems Modeler and SysML, interface definition, integration and testing, and technical documentation. The engineer will collaborate with multidisciplinary teams to ensure system performance, traceability, compliance, and successful program execution.
Responsibilities
+ Perform systems engineering activities across the full system lifecycle including requirements analysis, functional decomposition, system architecture development, integration & test, ve...
Location: Huntsville, AL
Type: Contract - W2 only
Compensation: $54.40 - $60.00 per hour
Work Model: Onsite
Hours: 40.0
Security Clearance: Secret Clearance (Eligibility for Secret Clearance)
Overview
Software Systems Engineer III is a systems engineering role supporting defense-related programs through the full system development lifecycle. The position focuses on requirements management, system architecture, MBSE modeling using Cameo Systems Modeler and SysML, interface definition, integration and testing, and technical documentation. The engineer will collaborate with multidisciplinary teams to ensure system performance, traceability, compliance, and successful program execution.
Responsibilities
+ Perform systems engineering activities across the full system lifecycle including requirements analysis, functional decomposition, system architecture development, integration & test, ve...