Demo

Ground Systems Engineer

Modern Technology Solutions, Inc. (MTSI)
El Segundo, CA Full Time
POSTED ON 5/21/2026
AVAILABLE BEFORE 7/15/2026
Contract Overview

Golden Dome is a national-level, whole-of-nation initiative in which you will play a critical role in advancing next-generation homeland defense capabilities. If you are seeking a fast-paced position focused on developing innovative software for the Space-Based Interceptor mission, this opportunity is designed for you.

MTSI is seeking a Ground Systems Engineer to join the Common Ground Team. The ideal candidate is well-versed in designing and maintaining multi-mission ground architectures, has a deep understanding of system-wide integration and frameworks, and excels at collaboration within a multi-agency environment.

Key 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.

Systems Engineering & Sustainment

  • 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.

Common Ground Testing & Validation

  • 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.

Cybersecurity & DoD Compliance

  • 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.

Collaboration And Stakeholder Engagement

  • 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.

Education And Experience

  • Bachelor’s degree with 15 years’ related experience; Master’s degree preferred.

Required Security Clearance

  • 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.

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