Principal Systems Integration Engineer (Onsite)
RTXAbout the role
Date Posted:
2026-03-31Country:
United States of AmericaLocation:
US-IA-CEDAR RAPIDS-179 ~ 855 35Th St NE ~ BLDG 179Position Role Type:
OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Active and existing security clearance required on day 1Principal Systems Integration Engineer (Onsite)
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.
Job Summary:
Mission Systems is seeking an experienced Principal Systems Integration Engineer to lead complex integration and field demonstration activities supporting military customers and advanced mission‑critical systems. This role provides direct technical leadership during onsite customer engagements, field events, and multi‑domain integration efforts. The ideal candidate brings deep experience working across secure environments and thrives in hands‑on, fast‑paced operational settings.
What You Will Do:
- Lead system integration, configuration, and demonstration activities for Mission Systems products across air, ground, maritime, or multi‑domain applications.
- Coordinate integration across multidisciplinary teams including systems, software, hardware, test, networking, and cybersecurity engineering.
- Plan and execute field demonstrations, platform integrations, and customer events at various security levels (e.g., Unclassified, Controlled Unclassified, Secret, and above as required).
- Serve as the primary technical interface to U.S. and international military customers during integration, evaluation, and demonstration activities.
- Diagnose and resolve integration issues spanning hardware interfaces, embedded software, networking, communications systems, and mission‑system components.
- Develop integration plans, demonstration objectives, configuration documentation, and post‑event technical reports suitable for military programs and security‑controlled environments.
- Ensure adherence to security policies related to handling classified material, secure labs, and secure field operations.
- Mentor junior and mid‑level integration engineers, promoting disciplined integration practices aligned with team standards.
- Represent Collins Aerospace in high‑visibility mission‑effectiveness events, capability demonstrations, and customer engagements requiring technical leadership and professional communication.
Qualifications You Must Have:
- Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
- Active and transferable U.S. government issued secret security clearance is required prior to start date
- Extensive experience in Mission Systems, aerospace, defense, or military‑relevant system integration roles.
- Ability to work within multiple security domains and follow all classified handling procedures.
- Excellent communication skills with the ability to brief military customers and translate complex technical concepts.
- Ability and willingness to travel up to 50%, including to customer sites, test ranges, and field demonstration locations.
Qualifications We Prefer:
- Active U.S. DoD Top Secret clearance.
Demonstrated success leading integration and demonstration activities for military systems or in secure operational environments.
Strong troubleshooting skills across embedded systems, hardware interfaces, networking, and secure communications technologies.
- Experience supporting military platform integration (airborne, ground, maritime, or C2 systems).
- Familiarity with secure lab operations, classified networks, and cross‑domain solu
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