Senior Principal Systems Engineer: Systems Administrator (Onsite)

Date Posted:

2026-04-03

Country:

United States of America

Location:

US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site)

Position Role Type:

Onsite

U.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 clearance​

Security Clearance Type:

TS/SCI with Polygraph

Security Clearance Status:

Active and existing security clearance required on 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.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is seeking a Signals Analyst to join our Mission Systems Engineering team. This role requires strong analytical judgment, technical expertise in signal environments, and the ability to produce clear, actionable products. Location: Aurora, Colorado

What You Will Do

• Architect, implement, and sustain complex engineering system environments supporting development, integration, and test activities.
• Serve as a technical authority for system administration across multiple platforms (Linux/Windows-based environments)
• Lead troubleshooting and resolution of complex system issues, ensuring minimal disruption to operations.
• Develop, document, and enforce system administration processes, standards, and best practices.
• Proactively identify system improvements, automation opportunities, and performance optimizations.
• Prepare for potential leadership responsibilities by demonstrating initiative, ownership, and strategic thinking.

Qualifications You Must Have  

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience or equivalent experience.
• Experience using Oracle Real Application Cluster, back-up and Recovery, Data Guard, and container and pluggable databases.
• Experience using Oracle Weblogic Technology.
• Experience using Cloudera and Big Data Solutions.
• Experience with Linux command line to perform database administrations activities.
• Experience troubleshooting across hardware, software, and network interfaces.
• Experience with virtualization technologies, storage solutions, and system monitoring tools.
• Experience leading technical efforts without direct authority.
• Experience in presentations, interfacing with senior technical and program leadership.

• An active and transferable TS/SCI CI Poly 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 the required security clearance.

Qualifications We Prefer

• Oracle Certified Professional (OCP)
• Experience with Tivoli Storage Manager
• Experience with shell scripting language (i.e., csh, ksh) undefined.

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
• Not Relocation Eligible – Relocation assistance not available

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role.
• Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is