Senior Software Engineer (Onsite)
$86.8k - $165.2kCollins Aerospace
Location: US-CO-COLORADO SPRINGS-9970-CUST ~ 9970 Federal Dr ~ FEDERAL (External Site) Date Posted: 2026-07-28 Country: United States of America Location: US-CO-COLORADO SPRINGS-9970-CUST ~ 9970 Federal Dr ~ FEDERAL (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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 Raytheon Company Managed by Collins Aerospace 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 Aerospace, an RTX company, is seeking a Software Engineer to join the C2BMC JEMINI Program in Colorado Springs, CO, focusing on the development of advanced missile defense capabilities. This role involves software development in Java and collaboration with a dynamic team in a fast-paced environment. What You Will Do: Provide specialized expertise across multiple software and systems disciplines, with general knowledge of related areas and customer requirements. Conduct in-depth analysis and provide technical support for systems software products, including problem resolution, design, development, testing, and operational integration. Develop, modify, and implement operating systems applications based on provided specifications. Assist in design, coding, benchmark testing, debugging, and documentation of software programs. Collaborate with cross-functional teams to resolve technical challenges, establish standards, and enhance system efficiency. Design, code, test, and implement tools for operations automation. Work on most phases of software systems programming applications with minimal supervision. What You Will Learn: Develop enterprise-grade applications on Linux platforms. Hone problem-solving skills to diagnose performance and operational issues, identify root causes, and implement effective solutions. Utilize development and management tools such as Maven, Git/GitHub, Nexus, and Eclipse. Apply Agile development methodologies to improve collaboration and efficiency Qualifications You Must Have: Proven experience with Java and software engineering, particularly in Java/J2EE, C++, or Object-Oriented Programming (OO). Strong knowledge of software engineering practices, including coding standards, automated testing, build pipelines, and configuration management. Exceptional problem-solving skills, with a proven ability to resolve performance issues and develop solutions. Excellent written and verbal communication skills, with a demonstrated ability to collaborate effectively in team environments. Experience working with Agile development methodologies. Active and transferable Secret U.S. government issued security clearance 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: Active TS clearance. Security+ or equivalent certification. Hands-on experience as part of an Agile team. Familiarity with Java Spring. Experience using containerization tools like Docker/Kubernetes. 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 coverageli Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, 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 And more! This is an Onsite role : 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 possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. 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 #J-18808-Ljbffr
$120k - $185k
...GXM is seeking a Senior Software Engineer to join our team to support advanced defense and space-related mission programs focused on Command... ...supporting operational mission systems. This role is onsite in Colorado Springs, CO. Hybrid flexibility may be available...SeniorFull time$115.9k - $173.8k
Senior Software Engineer KBR’s National Security Solutions team provides high‑end engineering and advanced technology solutions to our customers... ...Work Environment Location: Colorado Springs, CO - 100% Onsite or Beavercreek, OH - 100% Onsite Travel Requirements: Minimal...SeniorTemporary workLocal areaRelocation package$111.9k - $167.8k
Location: Colorado Springs, CO - Hybrid or Onsite Title Senior Software Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national...SeniorTemporary workWork experience placementLocal areaRelocation packageFlexible hours$70 - $85 per hour
Job Title: Senior Software Engineer Job Description The Senior Software Engineer will lead a small Agile Scrum team to adapt the Battlespace Operational... ...in a hybrid work environment, with three days per week onsite in a modern, highly collaborative office setting. The role...SeniorContract workTemporary workWork at office3 days per week- ...We are seeking a Mid-career level HPC Linux Software Engineer that will work in a High Performance Computing (HPC) Research and Development (R&D) customer contract. The candidate will be an active member of the Technical User Support (TUS) team, interacting with the...SeniorFull timeContract work
$160k - $195k
ABOUT SPHINX Sphinx builds software to solve complex national security... ...in Space. Founded by engineers and technologists with deep experience... ...ROLE Sphinx is hiring a Senior DevOps Engineer to join our... ...work. This role will require onsite work as needed to support...SeniorPermanent employmentFull time$125k - $150k
...Position is contingent upon contract award and funding. Entarian is seeking an experienced Senior Software Engineer to work on the deployment and operation of Vertasyn as the Centralized Operating Provider (COP) for a critical satellite communications contract. The...SeniorContract workWork at office$160k - $190k
...CTO and working alongside a small group of multi-disciplinary engineers and designers. Youll own complex problems end-to-end: from... ...designing and shipping the solution, and everything in between. As a Senior Software Engineer, you will be responsible for: Designing and...SeniorFull timeContract workPart timeImmediate startRemote workWork visaFlexible hours$156k - $236k
...TYPE: SCIRequired WORK SHIFT: 1st Shift TRAVEL: Yes, 10% of the Time About the role We are hiring full-time on-site roles for Software Engineers in Aurora, Littleton, Boulder, and Colorado Springs. Software Engineers at Four Sea Group can expect to work on mission...SeniorFull timeTemporary workWork experience placementFlexible hoursShift workDay shift$121k - $206k
...business processes as well as code, test, debug and implement software solutions. You will also: Lead projects or work streams... ...complex processes and generate actionable insights. Champion engineering excellence by applying best practices in AI development,...SeniorTemporary workLocal areaRemote work3 days per week$160k
Trillium Professional has a direct hire opportunity in Colorado Springs, CO for a Senior Software Engineer IV. In this role, you will take ownership of new features from concept to implementation, collaborate with cross‑functional teams to gain alignment, and work across...Senior- NextGen Federal Systems, LLC is seeking a Software Engineer with experience in Systems Tool Kit (STK) to support the development and integration of mission analysis and modeling applications. These applications enable multi-domain analysis—including air, space, ground,...SeniorWork experience placement
$135.2k - $306.4k
...Job Description Senior / Principal Software Engineer or Architect Database Engine, Search & Document Systems We are looking for senior systems builders to help shape the next generation of document, search, and AI-facing capabilities inside Oracle Database....SeniorFull timeTemporary workFlexible hours$143.4k - $205k
...remote‑first and grounded in a simple idea: software is a people business. Cribl is the place... .... Why You'll Love This Role Platform engineering builds the underlying software... ...products. We are looking for a dedicated Senior Software Engineer for our Platform team...SeniorTemporary workRemote work- ...Us: Datacor is the leading provider of software solutions, including ERP, CRM, Asset Tracking... ...applications. The Role: The Datacor Engineering Software Group (DESG) is seeking a highly skilled and self-motivated senior-level Software Engineer with a strong computer...SeniorFull timeLive inWork at officeRemote work
$161.5k - $300.5k
...solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Manager, Software Engineer Job Code: 39849 Job Location: Colorado Springs, CO Job Schedule: 9/80 Job Description The Technical Manager...SeniorTemporary workLocal areaFlexible hours- ...Job Description Job Description Senior Back End Software Developer Location: Colorado Springs, Colorado Work Model: Onsite Clearance: Eligible – will be processed for... ...Integrated Product Teams (IPT’s) and other engineering working groups to review, assess, and mature...SeniorLocal area
$115k - $150k
About the Role Bluestaq is seeking a Senior DevSecOps Engineer to build, secure, and operate the delivery pipelines and infrastructure that move software from development to production in mission-critical environments. In this hands-on individual contributor role, you...SeniorFull timeLive inLocal areaImmediate startRelocation$83.4k - $125.2k
...development, integration, deployment, and sustainment of satellite ground software. This position is located onsite on our Colorado Springs campus.\n\nNorthrop Grumman Space Sector is seeking a Software Engineer to support our Software Controls Engineering (SCE) team in their...Full timeRelocation packageShift work$103.6k - $155.4k
...history. Northrop Grumman Space Sector is seeking multiple Software Engineers to support Eastern Software and Controls in their... ...of satellite ground software. This position is located onsite on our Colorado Springs, CO campus. After hours or extended...SeniorFull timeRelocation packageShift work$93.2k - $164.45k
...communications and cutting-edge defense technology, is seeking a Software Engineer to join our team. This role offers the opportunity to work on... ...or similar tools); report status, risks, and mitigations to senior leadership and customers. • Stakeholder Communication:...SeniorFull timeTemporary workWork experience placementFor subcontractorWork at officeFlexible hours$145k - $170k
...Readiness Delivered. Kratos engineers and deploys technology and systems that move national... ...and ourselves. Kratos is seeking a Software Engineer to lead and innovate within our... ...Terraform) and mature GitOps workflows. #LI-Onsite Compensation Competitive salary based on...$93.2k - $164.45k
...fast paced and dynamic environment. It is engineering, developing and integrating new... ...oriented and highly motivated mid-level software engineer to join our team in Colorado Springs... ...east of Colorado Springs, CO and is 100% onsite. This position may involve around 10% travel...Full timeTemporary workWork experience placementWork at officeRemote workRelocationFlexible hoursShift workNight shiftWeekend work3 days per week- ...in Colorado Springs, CO or Huntsville, AL. Position is 100% onsite. Company Command and Control, Battle Management, and Communications... ...Team Program is seeking motivated and talented C2BMC Systems Software Engineers to join the team in Colorado Springs, CO or Huntsville, AL to...
$100k - $155k
...Job Description Job Description About the Role Bluestaq is seeking a Senior Software Engineer to lead medium-sized features, improve code quality, and mentor early-career teammates on mission-critical systems. You'll own features and modules that span multiple...SeniorLive inLocal areaImmediate startRelocation$127k - $190k
Title: Senior Software Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work...SeniorFull timeLocal areaFlexible hoursDay shift$150k - $200k
...Senior DevOps for Pienso Funding $7M Founded 2016 Remote Salary $150k - $20... ...customers. Work closely with the core engineering team to iterate on existing Docker Swarm... ...DevOps experience ~3+ years of traditional software development experience ~ Professional...SeniorWork experience placementRemote work$190k - $210k
...inclusive workplace, both physically and virtually. Learn more about our Total Rewards philosophy . About the Role: As a Staff Software Engineer on the Developer Productivity - Local Environments team, you will be a key player in defining, maintaining and enhancing the...SeniorWork at officeLocal areaRemote work2 days per week3 days per week- ...Your Project: We build and maintain software applications used worldwide to collect,... ...Android. We need a skilled Software QA Engineer to provide support to our development team... ...GIS technologies #LI-CJ1 #LI-Onsite #cjpost Pay Transparency: To support...Worldwide
$117k - $180k
...will be powered by better data and smarter software. We move fast, we're not afraid to... ...can come from anywhere-whether you're in engineering, sales, product, or operations. If you... ...place. What You'll Be Launching The Senior DevOps Engineer will design, build, and...SeniorCurrently hiring
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer (Onsite). Be the first to apply!
- ngo software engineer Colorado Springs, CO
- graduate software engineer Colorado Springs, CO
- software system engineer Colorado Springs, CO
- graduate software developer Colorado Springs, CO
- entry level software engineer remote Colorado Springs, CO
- software developer positions Colorado Springs, CO
- junior software developer internship Colorado Springs, CO
- software development engineer aws Colorado Springs, CO
- consulting software engineer Colorado Springs, CO
- financial software developer Colorado Springs, CO





