Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Software Engineer (Onsite)

$86.8k - $165.2k

RTX

Date Posted:

2026-07-06

Country:

United States of America

Location:

US-CO-AURORA-S76 ~ 16430 E Hughes Dr ~ BLDG S76

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 - Current

Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company, Managed By Collins Aerospace.

Position contingent upon contract award

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Collins is seeking Engineers to be part of an engineering team for the AF DCGS High Band Mission Applications Software (HBMAS) Sustainment and Development program. Under this effort, RTX Collins personnel will oversee/perform software development and sustainment for cloud-enabled systems that ingest, tag, and audit data sets, while maintaining security, integrity, and availability of data.?

The team, working with our customers and users, will focus on developing and fielding operationally relevant system capabilities in the most effective and efficient manner.? The team will apply best practices across the engineering continuum, with a focus on improved software quality and process efficiency.?

This candidate must have an active TS/SCI security clearance. Travel to customer CONUS & OCONUS sites as required, but no more than 25%.?This position is an onsite role in Aurora, CO and is contingent on contract award.

What You Will Do ?

  • Design, develop, test, deliver, and maintain software for cutting-edge defense systems

  • Work with talented teams of engineers, architects, and leaders in an Agile environment.

What You Will Learn ?

  • A breadth of advanced software technologies and techniques including multi-tiered architectures, AWS web services, and microservice software design.

  • Modern DevSecOps and Continuous Integration/Continuous Delivery techniques.

  • Software lifecycle practices for large-scale defense projects.

Qualifications You Must Have

  • Experience developing object-oriented software using Java and other Object-Oriented languages

  • Active and transferable Top Secret U.S. government issued security clearance with SCI eligibility is required prior to start date.

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.

Qualifications We Prefer ?

  • Experience with Agile development

  • Exposure to cloud platforms (AWS, Azure, or similar) and managed service integration

What We Offer ?

  • Medical, dental, and vision insurance. ?

  • Three weeks of vacation for newly hired employees. ?

  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option. ?

  • Tuition reimbursement program. ?

  • Student Loan Repayment Program. ?

  • Life insurance and disability coverage. ?

  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,?critical illness?insurance, group legal, ID theft protection. ?

  • Birth, adoption, parental leave benefits. ?

  • Ovia Health, fertility, and family planning. ?

  • Adoption Assistance. ???????? ?

  • Autism Benefit. ?

  • Employee Assistance Plan, including up to 10 free counseling sessions. ?

  • Healthy You Incentives, wellness rewards program. ?

  • Doctor on Demand, virtual doctor visits. ?

  • Bright Horizons, child and elder care services. ?

  • Teladoc Medical Experts, second opinion program. ?

  • May be eligible for relocation assistance

  • And more!?

?

Learn More & Apply Now! ?

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you'll have your own critical part to play in ensuring our customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. ?

*Please ensure the role type (defined below) is appropriate for your needs before applying to 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. ?

At Collins, the paths we pave together lead to limitless possibilities. And the bonds we form - with our customers and with each other -- propel us all higher, again and again. ?

?

Apply now and be part of the team that's redefining aerospace, every day.

Employee Referral Eligible

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.

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

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Software Engineer (Onsite) in Aurora, CO vacancy
  • $86.8k - $165.2k

     ...Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration...  ...100 years of experience and renowned engineering expertise to meet the needs of today’s...  ...defense. Our team is hiring for a role as a Senior Software Engineer to develop software in a... 
    Senior
    Full time
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Worldwide
    Relocation package
    Flexible hours

    RTX

    Aurora, CO
    4 days ago
  • $86.8k - $165.2k

     ...Senior Software Engineer At RTX, the world's 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... 
    Senior
    Temporary work
    Work experience placement
    Relocation package
    Flexible hours

    Raytheon

    Aurora, CO
    4 days ago
  •  ...Software Engineer This position is an onsite role in Aurora, CO. What You Will Do Design, develop, test, deliver, and maintain software for satellite ground systems. Work with talented teams of engineers, architects, and leaders in an Agile environment.... 
    Suggested
    Relocation
    Relocation package

    Raytheon

    Aurora, CO
    2 days ago
  •  ...Senior Software Engineer Location Aurora, CO Job Code 1528 of Openings 1 Apply Now ( DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA is proud... 
    Senior
    Flexible hours

    DCCA

    Aurora, CO
    7 hours ago
  • $140k

     ...you as an individual and united by our mission to create opportunities for people where they live, learn and work. The Senior Software Engineer designs, creates, maintains, audits and improves software applications by performing coding, debugging, testing and troubleshooting... 
    Senior
    Temporary work
    Local area

    Nelnet

    Aurora, CO
    1 day ago
  • $100.18 - $120.2 per hour

     ...Job Title Software Engineer, Senior Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing... 
    Senior
    Hourly pay
    Contract work
    Local area

    EverWatch

    Aurora, CO
    5 days ago
  • $170k - $260k

     ...security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you a Senior Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company drone... 
    Senior
    Full time
    Contract work
    Remote work
    Work from home
    Relocation package

    GliaCell Technologies LLC

    Aurora, CO
    4 days ago
  • $135k - $195k

     ..., advanced payloads, mission software, and space-based interceptors...  ...system for True Anomaly’s engineering and product thesis. Software...  ...Anomaly is seeking a dedicated Senior Front End Software Engineer...  ...Work Location—This is a fully onsite role. Candidates must be based... 
    Senior
    Permanent employment
    Work experience placement
    Work at office
    Flexible hours

    True Anomaly

    Denver, CO
    1 day ago
  • $77.6k - $176k

     ...Job Number: R0231550 DevOps Engineer, Senior The Opportunity: We're seeking a DevOps Engineer...  ...development teams across the software development lifecycle and creating solutions...  ...or visit a customer facility. Onsite : If this position is listed as onsite... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    1 day ago
  •  ...Senior Principal Platform IAC Engineer At RTX, the world largest aerospace and defense company, 185,000 great...  ...and work will be performed at the onsite Facility requiring occasional...  ...small team of engineers that develop software customization and automation including... 
    Senior
    Work experience placement
    Relocation

    Raytheon

    Aurora, CO
    2 days ago
  • $86.8k - $198k

     ...Application Developer, Senior At a certain point, experience-based system design can...  ...skills into strategy through a long path of software development accomplishments and the...  ...work from or visit a customer facility. Onsite: If this position is listed as onsite, work... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    2 days ago
  • $107.5k - $204.5k

     ...CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or...  ...of experience and renowned engineering expertise to meet the needs...  ...the architecture of software systems, ensuring scalability...  ...Certification. Experience working with senior program leadership... 
    Full time
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Worldwide
    Relocation package
    Flexible hours

    RTX

    Aurora, CO
    4 days ago
  • $86.9k - $198k

     ...The Opportunity:Engineering to make a system more resilient and efficient frees up time and money to build more capabilities. Whether you...  ...also be required to work from or visit a customer facility.Onsite : If this position is listed as onsite, work will primarily be... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    19 hours ago
  • $125k - $155k

     ...gambling. As a forward-thinking company, we’re breaking new ground in software innovation too, redefining what’s possible for our customers...  ...Job Description We are seeking passionate and experienced Senior Developer to join our dedicated Verification team as we embark... 
    Senior
    Hourly pay
    Work at office
    Local area
    Work from home
    Worldwide

    Bet365

    Denver, CO
    10 days ago
  • $140k - $215k

     ..., advanced payloads, mission software, and space-based interceptors...  ...system for True Anomaly's engineering and product thesis. Software...  ...systems. True Anomaly is seeking a Senior Spacecraft Simulation...  ...follow the directions below. #LI-Onsite To conform to U.S. Government... 
    Senior
    Permanent employment
    Full time

    True Anomaly

    Denver, CO
    1 day ago
  •  ...Data Analyst – Tableau Location: Onsite – Denver Experience: Minimum 7+ years Key Skills Requirements: Advanced proficiency in Tableau for dashboard creation and data visualization Proven experience in dashboarding large-scale datasets for business consumption... 
    Senior

    Yantran LLC

    Denver, CO
    1 day ago
  •  ...Architect Location: Denver (Day 1 Onsite) Role & Responsibilities...  ...# Communicate system requirements to software designers and developers; explain system...  ...~12+ years of IT experience in Data Engineering, Data Quality, Data Migrations, Data Architecture... 
    Senior

    E-Solutions

    Denver, CO
    3 days ago
  •  ...philosophies. This Team Lead.Net Developer role will be part of an agile development group, building and working on enterprise grade software systems on top of the Microsoft.NET development stack. This individual will provide technical and team leadership through coaching... 
    Senior

    Rubix Recruiting

    Centennial, CO
    7 hours ago
  •  ...Senior Software Engineer Role The Senior Software Developer will help shape the future of the organization’s technology through innovative, full stack development. Play a key role in developing and supporting enterprise level applications in a dynamic and fast paced... 
    Senior

    Frontline Source Group

    Denver, CO
    2 days ago
  • $120 - $160 per hour

     ...Senior Growth Engineer As a Senior Growth Engineer within the Product Engineering organization, you'll work at the intersection of product...  ...problem-solving ~4+ years of experience writing production software and building web applications. Our stack includes Python,... 
    Senior
    Hourly pay
    Currently hiring
    Local area
    Remote work
    Weekend work

    Semgrep, Inc

    Denver, CO
    19 hours ago
  • $130k - $190k

     ...Matters Defense Solutions specializes in software development and solutions, specialized...  ...sensing technologies and operations, with senior-level personnel formerly from DIA, NRO,...  ...subject matter experts, analysts, software engineers, and its data scientists to create... 
    Senior
    Temporary work
    Remote work
    Flexible hours

    Grey Matters Defense Solutions

    Centennial, CO
    8 hours ago
  •  ...Model-Based Systems Engineer (MBSE) Engagements Subject Matter Expert (SME) The Model-Based Systems Engineer (MBSE) Engagements Subject...  ..., and Model-Based Product Line Engineering (MBPLE). This is an onsite role located in Tewksbury, MA, Marlborough, MA, Woburn, MA, or... 
    Senior
    Relocation package

    Raytheon

    Aurora, CO
    2 days ago
  • $120k - $160k

     ...contributing across a modern full-stack environment. We value engineers who are curious, collaborative, and committed to making an...  ...higher-impact engineering work. About the Role As a Senior Software Engineer at Dice, you'll contribute to the design, development... 
    Senior
    Temporary work
    Summer work
    Remote work
    Flexible hours

    DHI Group

    Denver, CO
    3 days ago
  •  ...Senior Software Engineer IQ Clarity's client in Greenwood Village, CO is looking for a Senior Software Engineer. As a Senior Software Engineer, you will play a critical role in designing, developing, and delivering high-quality software solutions. Your expertise in... 
    Senior

    IQ Clarity LLC

    Denver, CO
    4 days ago
  • $150k - $200k

     ...Senior Software Engineer Altamira Technologies has a long and successful history providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland security communities... 
    Senior
    Worldwide

    Altamira Technologies

    Centennial, CO
    1 day ago
  • $180k - $220k

     ...stepping onto a driven and highly collaborative team that is passionate about creating transformative change in healthcare. Senior Software Engineer The Role As a Senior Software Engineer, you will lead major initiatives that advance Datavant’s platform scalability... 
    Senior

    Datavant

    Denver, CO
    2 days ago
  • $160k - $185k

     ...Future of Legal Tech?! At Litera, we don't just build software, we transform how the world's top law firms operate. Every...  ...collaboration and connection. Why this Role Matters As a Senior Software Engineer working with the latest generative AI technology, you will... 
    Senior
    Work at office
    Worldwide
    3 days per week

    Litera Corp.

    Denver, CO
    2 days ago
  • $160k - $180k

     ...You share the workload, why shouldn't you share the reward? Overview As a key member of the Technology team, the Senior Software Engineer (US) plays a hands-on role in the planning, development, and delivery of complex projects across sport wagering and social... 
    Senior
    Remote work
    Flexible hours
    Afternoon shift

    Dabble.com

    Denver, CO
    2 days ago
  • $104.13k - $163.64k

     ...Senior Software Engineer CONMED is seeking a Senior Software Engineer to join the Advanced Surgical R&D team based in Denver, CO. This role will partner closely with cross functional teams to lead the development of secure software system for highly complex medical... 
    Senior
    Temporary work
    Work experience placement
    Immediate start
    Worldwide

    CONMED Corporation

    Denver, CO
    7 hours ago
  • $170k - $200k

     ...Senior Software Engineer SquareTrade is the fastest growing company of its kind. We're revolutionizing a $30b industry with service innovation and attention to customer satisfaction. We partner with some of the largest, most sophisticated retailers and carriers in... 
    Senior
    Work at office
    Flexible hours

    PlumChoice

    Denver, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Software Engineer (Onsite). Be the first to apply!