Senior Systems Security Engineer

Job Details

Date Posted: 2026-01-29
Country: United States of America
Location: US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100
Position Role Type: Onsite
Security Clearance Type: Top Secret
Security Clearance Status: Active and existing security clearance required on day 1
Salary Range: 86,800 USD - 165,200 USD

Requirements

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

• 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

About the Role

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

You will be a member of a multi-disciplinary group of System, Hardware and Software Engineers. We are a growing business developing new products in an aggressive and competitive market. The new designs are exciting and technically challenging.

The Protected Communication Systems (PCS) team is hiring a Senior Systems Security Engineer to support programs for our US military and various international customers, keeping the world safe from foreign threats. PCS supports multiple Collins contracts and is seeking to fill roles across several open contracts – our goal is to align each new hire with a position that best suits their skills and allows for career growth.

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. The ideal candidate will be skilled in requirement allocation and decomposition, analyzing system models (Model-Based System Engineering experience a plus), assessing security vulnerabilities, and formal cybersecurity verification (including vulnerability scanning). The candidate will report to the Lead Systems Security Engineer and work collaboratively with cross-functional teams.

Responsibilities

• Support system certification and accreditation efforts, including NIST Risk Management Framework (RMF) and National Security Agency (NSA) compliance
• Support cybersecurity requirement decomposition, allocation, implementation, and verification utilizing 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
• Maintain awareness of evolving security threats and industry best practices
• Work as part of a team, contributing to a culture of collaboration and continuous learning
• Participate in Security focused-System Verification and Validation including writing test plans and procedures, performing test conduct, and providing remediation recommendation analysis

Required Qualifications

• Experience with Risk Management Framework (RMF) and familiarity with NIST RMF and NIAP procedures
• 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
• Willingness to learn about satellite systems, communication systems, and evolving security technologies
• Active and transferable TOP SECRET clearance is required prior to start date
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
• Experience in Systems Security engineering; Must be from an ABET accredited or NCAE-C-designated institution
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

Preferred Qualifications

• Experience with National Security Agency (NSA) cryptographic certification and Cross Domain Solution (CDS) requirements
• Experience with cybersecurity verification activities (including automated vulnerability scanning tools)
• Familiarity with DOORS, JIRA, Cameo, or other system modeling tools (not required, but preferred)
• Advanced Security-related certifications (e.g., CISSP, CEH, etc.) are a plus but not required
• Prior experience working with security protocols in embedded systems, aerospace, or communications is a plus
• Familiarity with DoD focused security assessment tools, e.g. SCC, NMAP, Evaluate-STIG, Nessus, ACAS, Vulnerator, eMASSster, etc.
• Exemplifies the RTX leadership behavior including collaboration, effective communications, courage, customer focus, develops talent, drives results, instills trust, and strategic vision

Benefits

• 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 benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• This position is eligible for relocation assistance

Additional Information

Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

ONSITE: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

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 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.

Employee Referral Eligible