Systems Engineer with Security Clearance

Job Summary: Systems Engineer / Product Owner - Military Aircraft Support Systems About the Role: Apex Systems is seeking a dynamic Systems Engineer/Product Owner to drive software development and sustainment for advanced military aircraft support systems. Join our innovative team supporting the F-22 Sustainment project and Sikorsky in Fort Worth, TX. This role blends systems engineering, requirements management, product ownership, and Agile leadership to deliver mission-critical capabilities within a fast-paced, collaborative environment.

Responsibilities

• Lead and prioritize product backlogs, user stories, features, and acceptance criteria to ensure timely software delivery.
• Translate and decompose customer requirements into actionable system and software requirements using DOORS and Cameo.
• Develop, review, and maintain systems engineering documentation such as CWPs, ICDs, IDDs, and requirements specifications.
• Support Model-Based Systems Engineering (MBSE) initiatives, creating and updating SysML models in Cameo Systems Modeler.
• Maintain requirements traceability across DOORS and MBSE models, ensuring integration and synchronization with verification artifacts and RTVMs.
• Conduct model reviews, requirements analysis, and architecture assessments for consistency and completeness.
• Collaborate daily with software developers, database engineers, architects, testers, customers, and leadership to achieve program goals.
• Facilitate Agile ceremonies: sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives.
• Engage in Program Increment (PI) Planning including feature prioritization, dependency management, risk assessments, and capacity planning.
• Identify, communicate, and coordinate resolutions for technical issues, risks, dependencies, and blockers.
• Support software integration involving APIs, databases, and external system connections.
• Participate in technical reviews, customer demos, and release planning activities.

Required Skills and Experience

• Expertise in DOORS for requirements management and validation.
• Proficiency with Cameo and Model-Based Systems Engineering.
• Solid understanding of Agile methodologies and use of Jira.
• Hands-on experience creating and managing CWPs, ICDs, IDDs, and requirements specifications.
• Strong capability in use cases, high/low requirements, and model integration.
• Familiarity with APIs and software integration practices.
• Experience with migration from Solaris to RHEL environments.
• Active or obtainable DoD SECRET security clearance.
• Ability to work onsite Monday - Thursday, 10-hour days (enjoy long weekends with Fridays off).

Preferred Skills

• Experience supporting military or defense projects, especially F-22 Sustainment or Sikorsky.
• Knowledge of SDLC best practices in defense environments.

Benefits

• Onsite schedule: 4x10s (Friday off every week for a long weekend)
• Work alongside top defense industry professionals on cutting-edge military aircraft systems.
• Comprehensive support for veterans and military service members, including DoD Skill Bridge pathways and veteran-focused upskilling programs.
• Access to the Apex Military Network-an internal resource group for veterans and their families.
• Nationally recognized Military Friendly® Employer - Referral fee eligible position How to Apply: If you are passionate about defense technology and ready to lead in a high-impact role, submit your application via our job portal today. Face-to-face interviews required. Candidates must be authorized to work in the U.S. without sponsorship and able to obtain/maintain DoD SECRET clearance. json format: