Principal Software Engineer

Location

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

United States of America

Onsite

Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

DoD Clearance:
Secret

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date.

We are seeking a skilled and detail-oriented Principal Software Development Engineer with a focus on developing complex systems in C/C++ as part of our Patriot Software Team in Tewksbury, Massachusetts. The ideal candidate will have a passion for creating high-performance applications and will be involved in all stages of the software development lifecycle. This role works in a SCIF environment with an optional 9/80 schedule to accommodate work/life balance practices.

• Design, develop, and maintain software applications using C and C++ for complex systems and applications.
• Collaborate with cross-functional teams to define, design, and implement new features, ensuring system integration and scalability.
• Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Light travel and off hours testing (2nd or 3rd shift) may occasionally be required.
• This position requires exclusive onsite presence.

• Typically requires a bachelor’s in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of experience.
• Experience in developing complex systems and applications using C/C++, Java or other object-oriented programming languages.
• Experience in embedded systems, real-time systems, or large-scale applications.
• Experience in a Unix/Linux operating system.
• Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date. U.S. citizenship is required.

• Active Secret security clearance.
• Experience with multithreading, memory management, or performance optimization in complex environments.
• Experience with data structures, algorithms, and software design principles, particularly in high-concurrency and distributed systems.
• Experience with Network Communication Protocols, Shell Scripting (tcsh, csh, bash), software development tools like Git/Clearcase, software debuggers, and using embedded RTOSs (e.g. VxWorks, Integrity).
• Experience with version control systems (e.g., Git).
• Experience with software development methodologies (Agile, Scrum, etc.).

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligible – Relocation assistance available.

Salary range: 107,500 USD - 204,500 USD.

Benefits may include 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, holidays, and other benefits dependent on the business unit.

Candidate interview process may include in-person steps at office locations for all candidates.

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.