Date Posted: 2025 11 17 Country: United States of America

clearance Security

Clearance: DoD

Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly skilled Principal Systems Security Engineer (PSSE) to drive cybersecurity initiatives, ensure compliance with security frameworks, and support embedded systems and systems engineering (SE) efforts. This is not an IT or programming role

• instead, this is an embedded cybersecurity role that focuses on technical writing, system security analysis, and

requirements assessment. This role requires a strong leader who can interface with customers, guide teams, and contribute to the security posture of mission critical systems. What You Will Do

• Lead cybersecurity efforts for embedded systems, ensuring compliance with NIST RMF security controls, and NSA security

requirements

• Develop, interpret, and document security

requirements for complex systems engineering (SE) environments

• Support Model Based Systems Engineering (MBSE) efforts, ensuring security

requirements are incorporated into system models

• Work with

requirements management tools (e.g., DOORS, JIRA, Cameo) to track, validate, and verify security

requirements

• Collaborate with systems engineers and developers to integrate security controls into embedded systems and software architectures; As well as verification engineers to develop test methods and procedures for formal cybersecurity requirement verification - Perform security testing and validation for embedded systems, including automated vulnerability scanning - Conduct security risk assessments and develop mitigation strategies tailored to embedded environments - Provide technical leadership, mentoring team members and ensuring adherence to security best practices - Perform cost account management, cybersecurity program planning, and serve as the System Security Engineering liaison to engineering leadership and program management - Participate in proposal writing and development, crafting security solutions for bids and working in proposal teams

• Strong knowledge of NIST RMF SP 800 53, NSA security

Experience with systems engineering processes, including modeling,

requirements management, traceability, and verification

• Familiarity with

requirements management tools (e.g., DOORS, JIRA, Cameo) and model based security approaches -

Experience with security risks and attack vectors specific to embedded systems, such as firmware vulnerabilities and hardware level threats

• Ability to perform security testing and validation, including automated vulnerability scanning - Strong proposal writing

experience, with the ability to articulate security solutions in proposals and RFP responses

• Excellent communication and leadership

skills, capable of interfacing with customers and guiding teams

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant

experience or an Advanced Degree in a related field and minimum 5 years of

experience

Qualifications We Prefer

• CISSP certification (or ability to obtain within six months) -

Experience with security assessments and risk analysis for embedded systems -

Experience with earned value management and cost account management

• Familiarity with secure software development and integration in real time or safety critical environments - Knowledge of supply chain security risks in embedded system development - Active Top Secret security

clearance What We Offer

• 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

• with our customers and with each other propel us all higher, again and again. Apply now and be part of the team that's redefining aerospace, every day. Employee Referral Eligible 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

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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses

• Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.