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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, verification & V&V, configuration management, and risk management.
• Develop, analyze, and maintain system engineering documentation such as Program Interface Documents (PIDs), Interface Control Documents (ICDs), System/Subsystem Specifications (SSS), and Software Requirements Specifications (SRS).
• Support requirements decomposition, allocation, traceability, and change management activities.
• Utilize Jama for requirements management, traceability, and cross-team collaboration.
• Utilize Cameo Systems Modeler to develop and maintain MBSE artifacts and system models.
• Develop SysML diagrams including activity diagrams, sequence diagrams, use case diagrams, and interface models.
• Support model-based architecture development and interface definition activities.
• Conduct technical reviews, requirements reviews, and design reviews with internal teams.
• Collaborate with software, hardware, cybersecurity, integration, and test teams to ensure system performance and compliance.
• Provide technical leadership and support cross-functional collaboration across program teams.
• Ensure engineering products meet customer requirements, program objectives, and industry standards.
• Participate in risk identification, mitigation planning, and technical issue resolution.

Requirements

• Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, Software Engineering, or related technical field.
• 5–10 years of systems engineering experience.
• Prior experience supporting defense industry or Department of Defense (DoD) programs.
• Hands-on MBSE experience using Cameo Systems Modeler.
• Experience with model-based architecture development and SysML modeling.
• Experience using Jama for requirements management and traceability.
• Strong experience in requirements development and management.
• Experience developing and maintaining program interface documents, interface control documents, system/subsystem specifications, and software requirements specifications.
• Experience with requirements analysis, functional decomposition, system architecture development, verification & V&V, integration & test, configuration management, and risk management.
• Familiarity with Jira and Confluence collaboration tools.
• Bachelor’s degree (BS).

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-M2 #LI-HJA Ref: #851-Rockville-S1