Principal Systems Engineer

Principal Systems Engineer – MBSE (Intelligence Community)

Location: Sterling, VA 20166
Work Schedule: 8:00 AM – 5:00 PM
Employment Type: Full-Time
Salary Range: $120,000 – $140,000 annually, plus full benefits
Clearance Requirement: Active and transferable TS/SCI with CI Polygraph (required before start)
Citizenship: U.S. Citizenship required

Role Overview

An organization supporting Intelligence Community missions is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and integration support. The selected candidate will apply Model-Based Systems Engineering (MBSE) and Digital Engineering practices to define system architectures, manage interfaces, and ensure end-to-end traceability of requirements to technical solutions.

This role supports complex, mission-critical systems and involves developing and maintaining system models, performing computer-based simulations, and collaborating closely with government, military, SETA, and contractor stakeholders to deliver integrated solutions.

Key Responsibilities

• Apply Model-Based Systems Engineering (MBSE) methodologies to support system architecture definition, integration, and analysis


• Develop, maintain, and analyze SysML-based system models using Cameo Systems Modeler or equivalent tools


• Ensure requirements traceability from customer needs through system design and verification artifacts


• Utilize digital engineering tool chains to enhance design, integration, and test workflows


• Conduct computer-based simulations to analyze and optimize system performance


• Support interface definition and management across system elements and external dependencies


• Collaborate with internal and external stakeholders, including Government, Military, SETA, and contractor teams


• Contribute to technical reviews, impact assessments, and engineering documentation


• Support project planning, execution, and risk management activities across program lifecycles

Required Qualifications

• Practical experience applying Model-Based Systems Engineering (MBSE) principles


• Hands-on experience with Cameo Systems Modeler or equivalent MBSE tools


• Familiarity with Digital Engineering practices and integrated tool chains


• Experience using high-level programming languages (e.g., Python)


• Demonstrated engineering technical depth and project management experience


• Proven ability to collaborate effectively in multi-disciplinary, customer-facing environments


• Active and transferable TS/SCI with CI Polygraph (required prior to start date)


• U.S. Citizenship required

Desired Qualifications

• Experience with systems installation, integration, and test activities


• Proficiency in Python, C++, or similar programming languages


• Experience conducting Request for Change (RFC) impact reviews and assessments


• Familiarity with NSIS requirements and rapid delivery methodologies


• Evidence of strong customer relationships and stakeholder engagement


• Experience working across multiple contracts and geographic locations


• Proficiency with Atlassian JIRA, Confluence, and collaborative engineering tools


• Strong oral and written communication skills, with the ability to clearly convey complex technical concepts

Education & Experience Requirements

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred)


• Minimum experience requirements:




• 6 – 8 years of prior engineering experience