Senior Principal Systems Engineer

Responsibilities for this Position

Senior Principal Systems Engineer

ID: 2026-70208
USA-PA-Pittsburgh
Required Clearance: TS/SCI, obtainable within reasonable time based on requirements
Posted Date: 1/19/2026
Category: Engineering-Systems
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.


Basic Qualifications

Clearance Requirements:

Requires a Bachelors degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred.

Clearance Requirements:

Ability to obtain a Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

ROLE AND POSITION OBJECTIVES:

RELOCATION PACKAGE AVAILABLE
SIGN-ON BONUS AVAILABLE

As Space Command & Control System Software Systems Engineer, youll join a cross functional team supporting our nation's missile defense initiatives.

Seeking an experienced Software Systems Engineer to design and develop mission-critical space command and control systems. The ideal candidate will architect scalable, secure solutions leveraging cloud-native technologies, modern software design principles, and model-based systems engineering approaches.

Key Responsibilities

• Design and implement software architectures for space C2 systems following enterprise design patterns and best practices
• Develop system models using MBSE methodologies to ensure requirements traceability and system coherence
• Develop and optimize distributed systems using message-driven architectures
• Architect cloud-based solutions in AWS GovCloud environments at IL4/5/6 classification levels
• Implement and manage service mesh architectures for microservices communication and security
• Lead container orchestration and microservices deployment strategies
• Design and optimize database schemas for high-performance mission systems

Technical Skills Required

• Cloud Platforms: Hands-on experience with AWS GovCloud services at IL 4/5/6
• Software Design: Strong foundation in design patterns, SOLID principles, and enterprise architecture frameworks
• MBSE Tools: Experience with Model-Based Systems Engineering using MagicDraw or similar tools (Cameo Systems Modeler, Rhapsody)
• Service Mesh: Proficiency with Istio or similar service mesh technologies (Linkerd, Consul)
• Message Systems: Proficiency with Apache Kafka, message bus architectures, and event-driven design
• Caching Solutions: Experience with Redis/Valkey for in-memory data optimization
• Database Design: Expertise in relational and NoSQL database design and optimization
• Container Orchestration: Production experience with Kubernetes and cloud-native architectures
• Programming: Proficiency in modern languages (Java, Python, Go, or similar)

Preferred Qualifications

• Experience with space systems or satellite ground segments
• Knowledge of SysML and systems modeling standards
• Understanding of zero-trust architecture and mTLS implementations
• Knowledge of DevSecOps practices and CI/CD pipelines
• Familiarity with DoD security requirements and compliance frameworks

Our Commitment to You:

• An exciting career path with opportunities for continuous learning and development.
• Research oriented work, alongside award winning teams developing practical solutions for our nations security
• Flexible schedules with every other Friday off work, if desired (9/80 schedule)
• Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
• See more at gdmissionsystems.com/careers/why-work-for-us/benefits

Workplace Options:
This position is fully remote/telework, fully on-site, OR Hybrid/Flex.
If on-site, you will be a part of the Pittsburgh or Scottsdale offices.

#LI-Hybrid

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $183,371.00 - USD $203,428.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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General Dynamics Mission Systems is a technology integrator and original equipment manufacturer that provides mission critical solutions across ground, sea, air, space and cyberspace.

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