Sr Principal Cybersecurity Embedded Software Engineer P5 (Onsite)

Pratt & Whitney; East Hartford (CT); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Benefits

Relocation Assistance

Job summary

Pratt & Whitney is seeking a senior cybersecurity engineer to lead the development and certification of secure control and diagnostic systems for military, commercial and industrial engines. This role focuses on embedding security across requirements, architecture, and software design, ensuring adherence to DoD/NIST standards and advancing SSDLC practices.

You will collaborate with software, systems, and program teams to drive secure design, lead risk assessments, and mentor junior engineers in

Qualifications

• Bachelor’s degree in STEM required.
• 10 years of engineering experience, or 7 years with an advanced degree.
• U.S. citizenship and ability to obtain DoD clearance.

Responsibilities

• Lead cybersecurity activities aligned with NIST RMF.
• Develop and maintain system security architecture and artifacts.
• Embed security requirements into system and software designs.
• Drive secure software development lifecycle (SSDLC) practices.
• Support security assessment packages and coordinate with assessors.
• Perform threat modeling, vulnerability analysis, and risk assessments.
• Mentor engineers in secure design principles.
• Ensure compliance with DoD, NIST, and corporate standards.

Skills

Security engineering

NIST RMF

Threat modeling

Vulnerability analysis

SSDLC

DoD standards

Leadership

Communication

Education

Bachelor’s degree in STEM

Advanced degree preferred

Tools

CI/CD pipelines

Security tooling

Embedded systems security

Job description

Location: US-CT-EAST HARTFORD-OBF2 ~ 400 Main St ~ BLDG OBF2

Date Posted: 2026-11-10

Country: United States of America

Location: US-CT-EAST HARTFORD-OBF2 ~ 400 Main St ~ BLDG OBF2

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Active and existing security clearance required after day 1

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What You Will Do

Control & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military, commercial and industrial gas turbine engine control and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development including requirements analysis & definition, system & software architecture, algorithm design and product software design, verification & validation. We integrate the control and diagnostic system design across other engine system modules and with the air vehicles and provide support throughout the complete engine product life cycle.

Job Responsibilities

• Lead cybersecurity engineering activities aligned with NIST RMF, including system categorization, security control selection, implementation, assessment, and continuous monitoring.
• Develop, document, and maintain system security architecture, design artifacts, and cybersecurity engineering documentation.
• Partner with software, systems, and program engineering teams to embed security requirements and controls into system and software designs.
• Drive the development and execution of secure software development lifecycle (SSDLC) practices.
• Support preparation of security assessment packages (e.g., SSP, SCTM, POA&M) and interface with internal/external assessors.
• Perform threat modeling, vulnerability analysis, and risk assessments for new and existing systems.
• Champion cybersecurity best practices and mentor junior engineers in secure design principles.
• Contribute to technical reviews, design decisions, and risk mitigation strategies as a senior technical authority.
• Ensure compliance with applicable DoD, NIST, and corporate cybersecurity standards.

Qualifications You Must Have

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)
• 10 years of engineering experience, or an Advanced Degree or 7 years’ experience with an advanced degree.

Qualifications We Prefer

• Advanced degree in computer engineering, software engineering, computer science or cybersecurity
• DoD, aerospace, or critical infrastructure cybersecurity experience.
• Experience with DevSecOps practices, automated security tooling, and CI/CD pipelines.
• Familiarity with embedded systems security.
• Demonstrated ability to influence across teams and lead complex technical initiatives.
• Leadership and strong communication skills

What We Offer

• Benefits
• Relocation Assistance

Controls & Diagnostics Systems (CDS)

CDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help facilitate MRO operations. With growing emphasis on sustainability, CDS is on the forefront of system development for hybrid and electric propulsion.

What is my role type? In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment. This role is: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance workers, as they are essential to the development of our engines. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.