Senior Embedded Systems Security Engineer; ONSITE

Senior Embedded Systems Security Engineer – LARGO, FL (Onsite)

Position within Collins Aerospace’s Product Cybersecurity Organization. Requires an active SECRET clearance and U.S. citizenship. Onboarding requires a valid government‑issued security clearance prior to the start date.

• Support system certification and accreditation, including Risk Management Framework (RMF) Authorization to Operate (ATO) and National Security Agency (NSA) Type1 Cryptographic Certification.
• Decompose, allocate, implement, and verify cybersecurity requirements using system engineering practices.
• Analyze system requirements, models, and diagrams to identify potential security vulnerabilities.
• Participate in system design discussions and provide security engineering input.
• Collaborate with systems engineers and developers to integrate security considerations into system design.
• Contribute to a culture of collaboration and continuous learning within the team.
• Stay aware of evolving security threats and industry best practices.
• Conduct security‑focused system verification and validation, including writing test plans, performing test conduct, and providing remediation recommendation analysis.

• Experience with RMF applied to mission systems in disconnected DoD environments.
• Familiarity with general technical security concepts, technologies, and implementations.
• Strong technical writing skills and ability to develop security documentation.
• Strong analytical skills with the ability to perform deep dives into system requirements.
• Ability to interpret system models, diagrams, and architectures to assess security risks.
• Direct experience in System Security Engineering.
• Typically requires a STEM degree and minimum 5years of relevant experience, or an advanced degree and minimum 3years of experience.
• Active and transferable SECRET clearance.
• U.S. citizenship.

• Experience with NSA cryptographic certification, Cross Domain Solution (CDS) requirements, and NIAP.
• Demonstrated leadership behaviors, including collaboration, effective communication, and strategic vision.
• Familiarity with DOORS, JIRA, Confluence, Cameo (MBSE), or other systems modeling and agile tools.
• Advanced security certifications (e.g., CISSP, Security+).
• Prior experience with embedded systems and communications security protocols for aerospace environments.
• Knowledge of DoD security assessment tools (SCC, NMAP, Evaluate‑STIG, Nessus, ACAS, Vulnerator, eMASSster).
• Active and transferable TOPSECRET clearance is a plus.

Salary range:$86,800–$165,200

USD per year. Compensation is based on experience, education, and skills.

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and separate employer retirement contribution.
• Tuition reimbursement program and student loan repayment program.
• Life insurance and disability coverage.
• Optional additional coverages (pet insurance, home and auto, critical illness, group legal,  protection).
• Parental leave and adoption assistance.
• Ovia Health and fertility benefits.
• Autism benefit.
• Employee Assistance Plan – up to 10 free counseling sessions.
• Wellness incentives and rewards program.
• Virtual doctor visits via Doctor on Demand.
• Bright Horizons and Teladoc medical services.
• Relocation assistance.

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. RTX provides affirmative action for qualified individuals with a disability and protected veterans in compliance with applicable federal laws.