Senior Principle Software Engineer (Onsite)

RTX • San Diego, CA

4d • $145,600 - $276,800 • Onsite

About The Position

Collins Aerospace is currently seeking a Senior Principal Software Engineer (P5) to serve as a senior technical leader for the GPS‑Based Positioning, Navigation and Timing Service (GPNTS) program. This position is responsible for applying advanced expertise in software engineering, contributing to technological innovation, and driving the evolution of highly reliable, deterministic, and distributed software solutions. You will operate with consultative direction, pursuing long‑range engineering goals, shaping architectural decisions, resolving unusually complex technical problems, and guiding major modernization and product‑line initiatives. You will also provide technical leadership, mentor engineering staff, influence program‑wide design approaches, and collaborate directly with customers and management on advanced research concepts, system studies, and application strategies. This position will be an onsite role located in San Diego, CA. Sign-on Bonus Eligible

Requirements

• Experience in C/C++ with extensive experience developing software for embedded, multi‑processor, or real‑time systems
• Experience with software architecture, distributed systems, deterministic processing, and advanced debugging
• Experience with Linux development, systems programming, and Linux‑based tools or build systems
• Experience leading technical teams, influencing architecture, and guiding complex engineering efforts
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 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

Nice To Haves

• Bachelor’s degree in computer science, computer engineering, software engineering, or related STEM field
• Experience designing or modernizing embedded, real‑time, networking, or distributed systems architectures
• Expertise building or maturing CI/CD pipelines using GitLab CI, Jenkins, or similar platforms
• Advanced application of secure coding principles, cybersecurity integration, or DevSecOps methodologies
• Experience developing large automated test infrastructures or simulation environments
• Experience integrating navigation sensors, timing signals, distributed messaging frameworks, or mission‑critical data fusion
• Experience guiding technical roadmaps, architectural refactoring, modernization, or long‑term sustainment strategies
• Prior customer‑facing technical leadership involving government stakeholders or program representatives
• Strong communication and negotiation skills with the ability to influence engineering strategy across teams and organizational layers

Responsibilities

• Serve as senior technical authority for architecture, system design, performance, reliability, and integration across the GPNTS navigation system
• Apply advanced technical expertise in C/C++ development for embedded, multi‑processor, real‑time systems, designing solutions that are robust, efficient, and secure
• Contribute to the development of new principles, concepts, algorithms, and architectural patterns supporting mission‑critical navigation, timing, and sensor fusion
• Resolve unusually complex technical issues requiring innovative, ingenious, and often original approaches
• Determine and pursue long‑range technical objectives with minimal oversight; assignments frequently originate from your own analysis and initiative
• Lead system‑level integration efforts involving embedded platforms, real‑time data feeds, navigation sensors, and shipboard networking environments
• Conduct deep performance analysis, advanced debugging, fault identification, and root‑cause analysis on large distributed components
• Develop and review high‑fidelity design documentation, interface specifications, architectural models, and engineering review packages
• Provide engineering leadership, mentoring, and technical guidance to junior and senior engineers, shaping development methods and engineering culture
• Act as team spokesperson for advanced technical efforts, major system upgrades, or complex research and development projects
• Advise program leadership and customers on architecture, system feasibility, technical trade studies, modernization planning, and advanced system applications
• Recommend improvements to engineering processes, tools, and best practices; ensure soundness of technical judgment in software work products

Benefits

• 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
• 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
• Annual short-term and/or long-term incentive compensation programs
• Paid time off
• Holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior