Date Posted:2026-04-10Country:United States of AmericaLocation:US-CO-AURORA-S75 16800 E Centretech Pkwy BLDG S75Position 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.
JSfirm
Software Engineer (Onsite)
Job Description:

Date Posted:

2026-04-10

Country:

United States of America

Location:

US-CO-AURORA-S75 16800 E Centretech Pkwy BLDG S75

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 spanet 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 Technologies is currently seeking a Senior Software Engineer (Principal Specialist) to join our talented team. The qualified candidate will be responsible for evaluating operational software problems and providing immediate solutions to restore service as well as integration and verification of new baselines. Location: Aurora, CO

What You Will Do:

  • Perform as technical subject matter expert for software products and interface with Prime customer on daily basis on mission execution
  • Support troubleshooting, maintenance, and documentation of software applications across multiple operating systems and hardware platforms
  • Expected to troubleshoot and isolate sources of system errors or unexpected performance
  • Determine the operational feasibility of software modifications
  • Work autonomously or lead teams to develop software tools to complement maintenance activities
  • Perform testing, integration and delivery of new software baselines
  • Some team leadership duties may be required
  • Ability to perform in-depth analysis and assessment with an end-to-end perspective of a complex system in operations
  • Ability to work both independently and as part of a team with minimal supervision to support tasks

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
  • Experience with coding/scripting languages such as Java, C++, Python, PERL, GIT, Java Script, TCL/TK, Bash
  • Experience leading software projects and/or software teams
  • Experience providing support to software installs and system upgrades, participating in one or more of the following roles: integration; technical working groups; factory checkouts; system tests/checkouts; installation planning and rehearsals
  • Experience with software configuration management systems
  • Active and transferable U.S. government issued TS/SCI security clearance with C.I. polygraph security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer:

  • Experience working in a 24x7 large O&M environment
  • Experience with programing languages COBOL, FORTRAN, or PASCAL
  • Experience with database management and utilization
  • Experience working in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract
  • Experience with analytical skills and the ability to recommend and implement solutions to software engineering problems and issues (some of which may occur outside normal day staff hours)
  • Experience with Linux/Unix, GIT, and SQL
  • Experience with current IC or DoD operational environments and policies or supporting operational systems

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, Respect, Accountability, Collaboration, and Innovation
  • Not relocation eligible

Learn More & Apply Now!

  • RTX solves some of the toughest challenges in aerospace and defense.
  • Please consider the following role type definitions as you apply for this role.
    •  Onsite: Employees who are working in Onsite roles will work primarily onsite.
  • Location Information: This position is for an onsite role in Aurora, CO

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 107,500 USD - 204,500 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.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Company Details
Raytheon Technologies
870 Winter Street
Waltham, Massachusetts 02451 USA
www.rtx.com/
1269 Open Jobs Available
Raytheon Technologies Corporation is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It includes four industry-leading businesses—Collins Aerospace, Pratt & Whitney...

Supported Manufacturers:
Bombardier

Supported Models:
Challenger, Global
(Job and company information not to be copied, shared, scraped, or otherwise disseminated/distributed without explicit consent of JSfirm, LLC)
Job Info
Location
aurora, Colorado, United States
Type
Permanent
Company Details
Raytheon Technologies
870 Winter Street
Waltham, Massachusetts 02451 USA
www.rtx.com/
1269 Open Jobs Available
Raytheon Technologies Corporation is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It includes four industry-leading businesses—Collins Aerospace, Pratt & Whitney...

Supported Manufacturers:
Bombardier

Supported Models:
Challenger, Global

JSfirm, LLC

Roanoke, TX

jobs@jsfirm.com

JSfirm LLC, Privacy Policy

All rights reserved. 2001-2026 JSfirm