Senior Software Engineer (Onsite)

RTX; San Diego (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

401(k) plan with company match

Relocation assistance

Job summary

Collins Aerospace is seeking a Senior Software Engineer for the GPS‑Based Positioning, Navigation and Timing Service (GPNTS) program. You will own software development, drive integration, and shape architecture for mission‑critical shipboard systems.

Onsite in San Diego, you will mentor junior engineers and lead secure, Agile development across multiple engineering disciplines. You will collaborate with systems, hardware, cybersecurity, and test teams while advancing CI/CD, testing, and

Qualifications

• 5+ years of professional software engineering experience.
• Proficiency in C/C++, Python, or Java.
• Experience in Linux environments and Linux command‑line tools.
• Experience participating in Agile development practices.
• Experience integrating navigation sensors, timing signals, distributed messaging, or data fusion.
• U.S. citizenship and ability to obtain a DoD security clearance.

Responsibilities

• Lead design, development, enhancement, and sustainment of core software components for the GPNTS navigation data system.
• Perform advanced debugging, root‑cause analysis, and resolution of complex software issues.
• Architect, implement, and optimize automated testing and CI/CD workflows.
• Produce technical documentation, interface definitions, and design review artifacts.
• Lead Agile ceremonies and contribute to backlog refinement and sprint planning.
• Promote secure coding practices and DevSecOps methodologies.
• Coordinate with systems, hardware, cybersecurity, and test teams for robust shipboard integration.
• Mentor junior engineers and perform code reviews.
• Support configuration management, audits, and external customer engagements.

Skills

C/C++

Python

Java

Software engineering

Education

STEM degree

Advanced degree

Tools

GitLab CI

Jenkins

CI/CD

Linux

Job description

Date Posted:

2026-09-03

Country:

United States of America

Location:

US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

Collins Aerospace is currently seeking a Senior Software Engineer to serve the GPS‑Based Positioning, Navigation and Timing Service (GPNTS) program team. In this role, you will take technical ownership of software development activities, drive integration efforts, and contribute directly to the architecture, reliability, and performance of mission‑critical systems used aboard U.S. Navy surface ships. You will mentor junior engineers, lead design discussions, and help shape engineering processes within an Agile, DevSecOps environment.

This role will be an onsite located in the San Diego, CA facility

Sign-on Bonus Eligible

What You Will Do

• You will lead the design, development, enhancement, and sustainment of core software components for the GPNTS navigation data system
• You will perform advanced debugging, root‑cause analysis, and resolution of complex software issues
• You will architect, implement, and optimize automated testing and CI/CD workflows
• You will produce high‑quality technical documentation, interface definitions, and design review artifacts
• You will lead and actively participate in Agile ceremonies, contributing to backlog refinement, sprint planning, and technical decision‑making
• You will champion secure coding practices and DevSecOps methodologies, helping evolve program‑level workflows
• You will coordinate closely with systems, hardware, cybersecurity, and test engineering teams to ensure robust integration across the entire shipboard system
• You will provide technical mentorship, guidance, and code reviews for junior engineers
• You will support configuration management, audits, major reviews, and external customer engagements

What You Will Learn

• Advanced real‑time and distributed system techniques in a mission‑critical defense environment
• How to lead complex software architecture discussions and influence technical direction
• Strategies for scaling automated testing, CI/CD pipelines, and DevSecOps workflows across large programs
• In‑depth understanding of PNT system performance, sensor integration, and navigation data fusion
• How to collaborate with program managers, technical leads, and customer stakeholders in a high‑visibility environment
• Methods for improving software reliability, safety, and maintainability in shipboard operational systems

Qualifications You Must Have

• Five or more years of professional software engineering experience, or an advanced degree with equivalent experience
• Experience in one or more programming languages (C, C++, Python, or Java)
• Experience with software development fundamentals, debugging, and version control systems
• Experience working in Linux environments and with Linux command‑line tools
• Experience participating in Agile development practices
• Experience integrating navigation sensors, timing signals, distributed messaging frameworks, or mission‑critical data fusion
• 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
• The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Experience integrating navigation sensors, timing signals, distributed messaging frameworks, or mission‑critical data fusion
• Professional experience with embedded systems, real‑time software, or networking
• Experience architecting or maintaining CI/CD pipelines using GitLab CI, Jenkins, or similar platforms
• Hands‑on experience applying secure coding principles or contributing to DevSecOps workflows
• Experience developing automated test frameworks or infrastructure
• Linux development experience, including use of Linux‑based build systems, tools, or application development
• Experience with Jira, Confluence, or similar tools used for engineering collaboration and workflow management
• Prior experience mentoring junior engineers or leading technical efforts
• Strong communication skills and the ability to collaborate across multidisciplinary engineering teams

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 illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Carrot Health to hormonal health, fertility, and family building
• 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
• May be eligible for Relocation
• And more!

Mission Systems:

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 customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

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 possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

The salary range for this role is 95,500 USD - 181,700 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.