Senior Principal Systems Engineer - Infrastructure (Onsite)

Date Posted:

2026-05-19

Country:

United States of America

Location:

US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Top Secret

Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

We are seeking a Senior Principal Systems Engineer to work onsite in either Richardson, TX or Cedar Rapids, IA.

At Collins Aerospace your systems engineering expertise will help shape the future of aerospace technology and support mission-critical national defense systems. We support multiple contracts and are seeking to fill roles across several open contracts – our goal is to align each new hire with a position that best suits their skills and allows for career growth.  

As a Senior Principal Systems Engineer within Strategic Defense Solutions (SDS), you’ll contribute to the Infrastructure IPT using next-generation network, compute, storage, and cybersecurity solutions supporting Strategic Nuclear Deterrence programs.  In this highly visible technical leadership role, you’ll drive complex systems engineering efforts across the full program lifecycle — from concept development and architecture definition through integration, accreditation, production, and sustainment. You’ll collaborate across engineering disciplines, influence technical strategy, mentor engineering teams, and partner directly with customers and program leadership to deliver mission-critical capabilities. 

 

What You’ll Do:  

• Lead systems engineering activities across the full development lifecycle for complex aerospace and defense systems. 

• Lead development of system architectures, CONOPS, interface definitions, and MBSE artifacts using SysML. 

• Provide technical leadership for system integration, verification, validation, troubleshooting, and accreditation activities. 

• Drive cross-functional collaboration across software, hardware, cybersecurity, integration, and test teams. 

• Lead Agile systems engineering activities, including decomposition of epics and features into executable user stories with clear acceptance criteria. 

• Manage technical execution, program risks and opportunities, schedules, cost, and performance objectives. 

• Serve as a technical mentor and coach to systems engineering teams while supporting talent development and engineering excellence. 

• Interface directly with customers, senior leadership, suppliers, and stakeholders in both collaborative and classified lab environments.