Onsite Senior Systems Engineer – 24/7 Mission-Critical Ops

Prattwhitney; Buckley (MI); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation assistance

Medical/dental/vision benefits

401(k) match

Job summary

RTX is seeking a Senior Systems Engineer to design, maintain, and ensure the operational readiness of mission-critical systems in a 24/7 environment at Aurora, CO (Buckley). The role requires strong systems engineering discipline, hands-on maintenance, and leadership during critical events.

You will mentor staff, collaborate with engineering and operations, and drive improvements in procedures, documentation, and system performance to support national security objectives.

Qualifications

• Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM preferred).
• Minimum of 5 years of engineering experience or equivalent.
• Experience in maintenance, operations, or field service in complex technical environments.
• Active TS/SCI CI Poly U.S. government security clearance required.
• U.S. citizenship required; only U.S. citizens eligible for the required clearance.

Responsibilities

• Lead preventive, predictive, and corrective maintenance for mission‑critical systems to sustain availability and readiness.
• Analyze system performance, identify degradation trends, and lead root‑cause analysis of complex hardware, software, and system anomalies.
• Develop and implement technical solutions to restore capability and improve reliability.
• Provide technical leadership during anomalies and mission-impacting events, coordinating troubleshooting efforts.

Skills

Security clearance TS/SCI CI Poly

5+ years engineering experience

System maintenance / field service

Education

Bachelor's degree in STEM

Job description

RTX is seeking a Senior Systems Engineer to design, maintain, and ensure the operational readiness of mission-critical systems in a 24/7 environment at Aurora, CO (Buckley). The role requires strong systems engineering discipline, hands-on maintenance, and leadership during critical events.

You will mentor staff, collaborate with engineering and operations, and drive improvements in procedures, documentation, and system performance to support national security objectives.