Our client, a leading federal defense contractor has multiple long-term contract openings for Mid-level Systems Engineers with Tracking Systems experience for a DoD program. You will be a member of a cross-functional team responsible for developing and deploying the state-of-the-art ground operational system. Key responsibilities: - Collaborate with customers, mission partners, and other key stakeholders to translate requirements into robust system designs within a fast-moving timeline. - Decomposition of end-to-end system requirements into architecture, design, interfaces, and test cases - Coordination with developers and integration and test teams to ensure component development meet system mission needs. We are seeking SE's who are able to obtain a DoD Top Secret clearance and work onsite at least 3-days per week in Scottsdale, AZ. We encourage you to apply if you have experience in any of the areas listed below: - Ground system design or scheduling knowledge - Tracking mission design knowledge - Satellite communications knowledge - Ground to Satellite communication knowledge - System/Software design for cloud-based microservice architecture