Senior Principal Software Engineer - Onsite (Secret Clearance)

RTX; Oklahoma; On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health insurance

Vacation time

401(k) plan

Tuition reimbursement

Student loan repayment

Life insurance

Disability coverage

Parental leave

Pet insurance

Job summary

RTX, Collins Aerospace in Largo, FL, seeks a Sr Principal Software Engineer to join our Strategic Communication Software team onsite. You will own the full lifecycle of secure software systems, work in cross-functional agile teams, and drive architectural decisions with senior engineers.

The role requires a current DoD security clearance, strong leadership, and hands-on experience with embedded software, UML/OOAD, and modern development practices in a collaborative environment.

Qualifications

• Active and transferable U.S. government security clearance required prior to start date.
• U.S. citizenship required for eligibility for security clearance.
• Experience in software engineering across the lifecycle.
• Experience in a technical or team leadership role (e.g., SW Architect/Lead).
• Experience with ADA, C/C++, Java.
• Experience with RTOS, embedded programming, processor/board architecture and design.
• Working knowledge of Linux, VxWorks or other RTOS.
• Experience with UML and OOAD.
• Experience collaborating across engineering disciplines and mentoring junior engineers.
• STEM degree with 10+ years of experience or advanced degree with 8+ years of experience.

Responsibilities

• Participate in cross-disciplinary integrated product teams, often using agile software development techniques.
• Own the full lifecycle of product development, from architecture and design through integration, test, and field support.
• Work toward the highest software engineering process maturity level as recognized by SEI.
• Full-time on-site position.

Skills

C/C++

Java

Embedded systems

Team leadership

Mentoring

Linux

Education

STEM degree

Tools

UML

OOAD

RTOS

VxWorks

SysML

Jenkins

MDD

Job description

RTX, Collins Aerospace in Largo, FL, seeks a Sr Principal Software Engineer to join our Strategic Communication Software team onsite. You will own the full lifecycle of secure software systems, work in cross-functional agile teams, and drive architectural decisions with senior engineers.

The role requires a current DoD security clearance, strong leadership, and hands-on experience with embedded software, UML/OOAD, and modern development practices in a collaborative environment.