Sr Principal Systems Engineer - Infrastructure; Onsite

Location: Richardson, TX – 1717 Cityline Dr.

Date Posted:

Position Type: Onsite

Security Clearance: U.S. citizenship and DoD Top Secret clearance required.

Embark on a journey as a Senior Principal Systems Engineer at Collins Aerospace, modernizing the U.S. Air Force Nuclear Command, Control and Communications (NC3) capability. You will lead system engineering activities across the entire lifecycle, from pursuit to qualification, in a high‑stakes aerospace environment.

• Lead projects spanning pursuit, order capture, trade study, system design, requirements definition and allocation, traceability, use‑case development for software/hardware, systems integration, verification & qualification.
• Direct System and Product Design, requirements management, technical risk management, interface definition, integration and test, and aircraft‑level system integration.
• Architect Software‑Defined System solutions and drive software development (Python, Java, Go, etc.).
• Deploy Linux‑based network technologies and services (routing protocols, DHCP, DNS, PXE, TFTP, HTTP, NTP, PTP, etc.).
• Provide technical guidance to multidisciplinary teams, lead effective sessions and mentor team members.
• Apply SysML concepts for system modeling across the full engineering lifecycle.
• Develop and execute risk mitigation plans and ensure technical risk management.
• Build trusted relationships with customers and suppliers.
• Coordinate with business units for portfolio roadmap alignment.

• STEM degree with a minimum of 10 years of relevant experience, or an advanced degree with at least 7 years.
• U.S. citizenship and eligibility to obtain a U.S. government‑issued security clearance.
• Demonstrated experience leading system & product design, requirements management, risk management, interface definition, integration and test, and aircraft‑level integration.
• Experience defining Software‑Defined System architectures.
• Software development experience (Python, Java, Go, etc.).
• Hands‑on Linux network technologies and services deployment.

• Experience managing virtual machines, hyper‑converged infrastructure on bare metal.
• Experience with application containers (Docker), Kubernetes clusters, and IaC (Ansible, Terraform, Helm).
• Open‑system architecture development across all program phases.
• Trade study, Make/Buy decision making, and regulatory certification (TSO, DO‑160, DO‑254, DO‑178B/C, ARP‑4754).
• Networking protocols: MIL‑STD‑1553B, ARINC 661, TCP/IP.
• Agile development experience.
• Zero Trust security framework implementation.
• Cross‑Domain Solution (CDS) information assurance.
• Model‑based systems engineering tools (Magic Draw, CAMEO, Rhapsody, Enterprise Architect).
• Distributed storage (Longhorn, Ceph) and service meshes (Istio, Consul).
• UEFI systems (secure boot, signing keys, PXE).

• Medical, dental, vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan with employer matching and Lifetime Income Strategy option
• Tuition reimbursement program
• Student loan repayment program
• Life insurance and disability coverage
• Optional pet, home, auto, additional life, accident, critical illness, group legal,  protection coverages
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, family planning services
• Adoption assistance
• Autism benefit
• Employee assistance plan with up to 10 free counseling sessions
• Healthy You incentives and wellness rewards program
• Doctor on Demand virtual visits
• Bright Horizons child and elder care services, Teladoc second‑opinion program
• May be eligible for relocation assistance
• And more

Join our Mission Systems team and help deliver intelligent, secure communications and miss ionized systems for both civilian and military customers.

For more information about the program, .

The salary range is $132,400 – $251,600 per year.

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.

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