Raytheon Technologies

Senior Systems Engineer (Onsite)

Raytheon Technologies • $86K — $165K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in STEM (Science, Technology, Engineering, or Mathematics) and 5+ years of engineering experience or equivalent.
  • Experience in maintenance and operations within complex technical environments (e.g., RF systems, satellite communications).
  • Proficient in system integration, verification, validation, and supportability analysis.
  • Active and transferable TS/SCI CI Poly U.S. government issued security clearance required prior to start date.
  • U.S. citizenship is mandatory for security clearance eligibility.

Responsibilities

  • Lead preventive, predictive, and corrective maintenance for mission-critical systems.
  • Analyze system performance and troubleshoot complex hardware and software anomalies.
  • Develop and implement technical solutions to restore and improve system reliability.
  • Provide technical leadership during system anomalies and mission-impacting events.
  • Maintain system configuration integrity through documentation and change control.
  • Evaluate system changes to ensure compliance with technical requirements and mission objectives.
  • Collaborate with stakeholders to resolve technical issues and ensure system readiness.

Benefits

  • Relocation assistance available for eligible candidates.
  • Comprehensive medical, dental, and vision insurance.
  • 401(k) match and flexible spending accounts.
  • Employee assistance program and Employee Scholar Program.
  • Paid time off, parental leave, and holidays.
Full Job Description

Date Posted:

2026-09-30

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 CI Poly - Current

Security Clearance Status:

Active and existing security clearance required on day 1


Raytheon is seeking a Senior Systems Engineer where you will play a vital role in designing, maintaining, and ensuring the operational readiness of complex systems critical to national security. This onsite position supports a 24/7 mission environment, requiring technical expertise, adaptability, and commitment to excellence.  Location: Aurora, CO (Buckley)

 

What You Will Do


  • Lead and execute preventive, predictive, and corrective maintenance activities for mission-critical systems and infrastructure, applying systems engineering principles to sustain availability, reliability, and operational readiness.
  • Analyze system performance, identify degradation trends, and lead troubleshooting and root-cause analysis of complex hardware, software, and system-level anomalies.
  • Develop and implement technical solutions and corrective actions to restore system capability, improve reliability, and reduce recurrence of equipment and system failures.
  • Provide technical leadership during system anomalies, mission-impacting events, and environmental disruptions, coordinating troubleshooting efforts and supporting timely restoration of operational capability.
  • Maintain system configuration integrity through engineering documentation, change control, baseline verification, and validation of hardware and software configurations.
  • Evaluate system changes, maintenance activities, and operational impacts to ensure continued compliance with technical requirements, established procedures, and mission objectives.
  • Develop, review, and improve maintenance procedures, technical documentation, troubleshooting processes, and engineering workflows based on operational experience and system performance data.
  • Serve as a technical resource and mentor for engineering and maintenance personnel, providing guidance on troubleshooting, system operation, maintenance practices, and technical decision-making.
  • Collaborate with systems engineering, operations, maintenance, program leadership, customers, and other stakeholders to resolve technical issues and ensure system readiness throughout the operational lifecycle.
  • Support integration, verification, validation, testing, and implementation of system modifications, upgrades, and engineering changes within an operational environment.
  • Perform hands-on engineering and maintenance activities as required, including work on antenna systems, elevated structures, and mission equipment in indoor and outdoor environments.
  • Support 24/7 mission operations through rotating shifts, anomaly response, emergency support, and on-call assignments while providing senior-level technical expertise during critical events.

Qualifications You Must Have

 

  • Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior engineering experience or equivalent experience.
  • Experience in performing maintenance, operations, or field service in complex technical environments (e.g., RF systems, satellite communications, large mechanical systems, industrial equipment, or similar).
  • Experience with system integration, verification, validation, and supportability analysis.
  • 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, only U.S. citizens are eligible for the required security clearance.

 

Qualifications We Prefer  


  • Experience performing preventive, predictive, and corrective maintenance on national security mission system critical infrastructure.
  • Experience monitoring system performance and responding to equipment anomalies, failures, and environmental impacts.
  • Experience with maintaining configuration control and documenting equipment changes.
  • Support rotating 12-hour shifts, including days, nights, weekends, and holidays
  • Experience safely ascending and working at heights using ladders and elevated work platforms.
  • Experience handling equipment weighing up to 50 pounds and performing physically intensive tasks in various environments.

What We Offer

 

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respectability, Collaboration, and Innovation.
  • Relocation Eligible – Relocation assistance 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 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Prepare for Your Future

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SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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