Job Summary
Supports the design, integration, and test of protected SATCOM terminals for AEHF, working across disciplines and interfacing directly with Government customers. This role is a junior to mid-level Systems Engineer focused on designing, integrating, and testing protected military satellite communications terminals (AEHF/EHF). Works across hardware, software, RF, and mechanical domains to ensure the full system meets government requirements and works reliably on mobile platforms.
Telework is supported. Travel is required.
Responsibilities and Duties
1. Systems Engineering & Integration
• Break down government requirements into hardware, software, and antenna subsystem requirements
• Ensure requirements traceability from specs through design, test, and delivery
• Ensure subsystems integrate into a fully functioning terminal system
2. Technical Leadership & Coordination
• Coordinate work across RF, digital, mechanical, and software teams
• Act as a technical point of contact with customers, subcontractors, and internal teams
• Represent engineering positions in formal reviews and field activities
3. Design Reviews & Documentation
• Support and participate in PDR, CDR, TRR, SVR
• Develop and review: Requirements documents, Interface Control Documents (ICDs), Compliance matrices, Test procedures and reports
4. Satellite Communications & Security
• Support analysis of EHF waveform performance (Link margins, Access parameters, AEHF scheduling interfaces
• Assist with TRANSEC / cryptographic integration
o Coordinate with crypto engineers
o Ensure protected communications compliance
5. Platform & Hardware Integration
• Address integration constraints (e.g., antenna placement and articulation, RF cable routing, Ground clearance and load paths, EMI/EMC compatibility)
6. Integration, Test & Qualification
• Support system-level integration and test
• Investigate anomalies and track corrective actions
7. Program Support & Risk Management
• Evaluate subcontractor deliverables for gaps or risks
• Track technical risks, issues and action items, IMS inputs
• Prepare status reports and government briefings
Qualifications and Skills
Required knowledge and years of experience
Must have at least five (5) to seven (7) years of systems engineering experience on defense or SATCOM programs. Must have knowledge in EHF/SHF SATCOM fundamentals; requirements analysis; formal design reviews; mobile military platform integration; interface definition; system integration; test execution; DoD SE framework and tools.
Education Requirements
Bachelor's Degree in Engineering (EE, Systems, Computer, or Similar)
Certifications
N/A
Clearance Requirement
Secret (TS eligible)
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Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").