Senior Principle Software Engineer (Onsite)

RTX•San Antonio, TX

2d•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