Systems Engineer (Modeler) – Ground-Based Radar Digitization (GBRD)

Location: Colorado Springs, CO

Make a Meaningful Impact at Leidos

At Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. We empower our people, support our communities, and operate with integrity and sustainability. Guided by our Mission, Vision, and Values, we are committed to doing what’s right—for our customers, our employees, and the world around us.

Your greatest work is ahead.

Leidos Defense Sector is seeking a Systems Engineering Modeler to support the Ground-Based Radar (GBR) Digitization Program, a major modernization initiative enhancing the nation’s missile warning, missile defense, and space domain awareness capabilities.

Program Overview

In this role, you will support the modernization of legacy radar systems across eight Ground-Based Radar sites. These systems provide continuous surveillance, detection, tracking, and reporting of missile and satellite activity in support of Missile Warning (MW), Missile Defense (MD),



and Space Domain Awareness (SDA) missions.

The GBR Digitization Program is implementing a common digital backend architecture and modernizing radar front-end systems to maximize standardization, improve maintainability, and enhance mission readiness across the enterprise.

What You’ll Do
- Model-Based Systems Engineering — Design, create, and maintain complex digital system models using SysML or UML to represent system architectures, requirements, behaviors, and interfaces.
- Architecture & Interface Modeling — Develop detailed architecture, behavior, and process models for radar back-end systems, algorithms, hardware, and software. Work in CAMEO Enterprise Architect for model data, management, branching, versioning, audits, and digital processes.
- Model-Based ICD Development — Author and maintain model-based Interface Control Documents (ICDs) and mapping frameworks to ensure interoperability across system components.

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