Enterprise Services Systems Engineer - SDA
Active DoD Secret Clearance Required
Location: Hybrid in Scottsdale, AZ + 10% travel to N. Dakota or Huntsville, AL

Join a leading federal defense contractor on a mission-critical program protecting national security through advanced Satellite Ground Systems. As a Senior Enterprise Services Systems Engineer you will be responsible for developing and deploying the state-of-the-art ground operational systems.

Responsibilities:

- Develop, update, and sustainment of Enterprise Services system-engineering documentation supporting network, cloud, DMZ, and hybrid infrastructure capabilities.
- Author and maintain system specifications, architecture descriptions, design documents, Interface Control Documents (ICDs), Architecture Description Documents (ADDs), network diagrams, and related technical baselines.
- Translate stakeholder needs, operational concepts, and technical requirements into clear, complete, and traceable system-engineering artifacts.
- Develop and maintain ICDs for network, cloud, external mission partner, Operations Center, Ground Entry Point, SVV, and enterprise-service interfaces.
- Work closely with Network, Cloud, Cybersecurity, Operations, Integration and Test, Systems Engineering, and external stakeholders to collect technical inputs and resolve documentation issues.
- Ensure documentation accurately reflects the deployed environment, approved architecture, planned capability increments, interfaces, configurations, and technical decisions.
- Support requirements decomposition, allocation, traceability, verification planning, and updates to requirements traceability matrices.
- Participate in technical interchange meetings, design reviews, architecture working groups, DRRs, and configuration-control activities.
- Coordinate document reviews, adjudicate comments, maintain version control, and route documents through required approval and release processes.
- Ensure documentation supports the PWSA Tranche-based development approach by documenting current-state, planned-state, and future-state architecture evolution.
- Identify documentation gaps, outdated artifacts, interface inconsistencies, and technical dependencies; develop plans to address them.
- Support development of technical estimates, schedules, work plans, and backlog stories for documentation and systems-engineering activities.
- Provide Systems Engineering leadership for documentation priorities, quality standards, completion criteria, and delivery commitments across the Enterprise Services team.

Required Skills

- Must be US Citizen due to work being performed
- Must have an active DoD Secret clearance
- Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience.
- Minimum 5 years of recent experience designing, integrating, or sustaining complex distributed software systems
- Minimum 3 years of recent experience working satellite-ground systems or similar national-security mission programs
- Minimum 3 years of recent experience working in cloud or hybrid-cloud environments
- Demonstrated experience developing system-engineering documentation for complex network, cloud, or hybrid-cloud environments.
- Experience supporting SDA, PWSA, or GMI programs
- Familiarity with cloud networking and services, preferably AWS GovCloud and/or AWS SC2S, including VPCs, Transit Gateways, Direct Connect, load balancers, security groups, and Infrastructure as Code concepts.