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Modern Technology Solutions, Inc. (MTSI) · 8 hours ago

Ground Systems Engineer

El Segundo, CA

Full-time

Onsite

Senior Level, Lead/Staff

15+ years exp

Modern Technology Solutions, Inc. (MTSI) is a company focused on advancing next-generation homeland defense capabilities. They are seeking a Ground Systems Engineer to design and maintain multi-mission ground architectures and ensure interoperability across missile defense systems.

Information Technology

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Development & Integration of Common Ground Infrastructure: Design and implement shared ground system architectures and frameworks to enable interoperability across multiple missile defense systems and platforms

Support modular hardware and software development that ensures flexibility and scalability for multi-program utilization within DoD environments

Collaborate with cross-functional teams to integrate space-based, ground-based, and command-and-control systems into common ground platforms

Provide engineering expertise for the sustainment and evolution of common ground systems, ensuring long-term operability and reliability

Perform diagnostics and analysis to resolve system-wide issues impacting common ground functionality

Support system upgrades, configuration changes, and lifecycle management to maintain optimal performance

Design test plans and procedures to evaluate the performance and interoperability of common ground elements across systems

Develop and execute system verification and validation processes to support mission requirements for shared infrastructure

Collaborate with teams conducting integration testing to ensure alignment with mission goals and DoD standards

Implement cybersecurity measures specific to common ground systems in compliance with Risk Management Framework (RMF), DISA STIGs, and other DoD policies

Monitor and enforce security controls across shared infrastructures, protecting classified data and maintaining operational integrity

Work closely with engineers, program managers, and government stakeholders to ensure the Common Ground Team’s infrastructure supports program objectives

Actively contribute to the architecture and technical direction of shared ground systems during stakeholder meetings and technical reviews

Provide detailed technical briefings, highlighting progress, risks, and recommendations to ensure leadership is informed and engaged

Qualification

Ground system architectureSystem integrationCybersecurity complianceDoD policiesTechnical briefings

Required

Bachelor's degree with 15 years' related experience

Must have an Active Top-Secret Clearance with SCI Eligibility

5 years' prior experience for access to Special Access Program Information (SAP), or Controlled Access Program (CAP); must have 1 year in the last 5 years