Principal Systems Security Engineer – Cyber

RTX

Principal Systems Security Engineer developing security solutions for aerospace and defense company Raytheon. Responsible for protecting technology advantages and system security engineering interactions.

Posted 6/9/2026full-timeTewksbury • Massachusetts • 🇺🇸 United StatesLead💰 $107,500 - $204,500 per yearWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Interact with the customer to define SSE requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
Develop plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans
Ensure compliance with National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) controls
Consult and assist program management with SSE architecture and issues
Support the development of bids and proposals
Define security development and test efforts implementation of security controls of networking devices, databases, operating systems, and hardware and software component
Integrate cybersecurity development activities
Develop top-level system requirements and flow down requirements and implementation concepts to subsystem Understanding, and compliance with, DoD technology release and export licensing policies

Requirements

What you’ll need

Typically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant experience
Active and transferable U.S. government issued Secret security 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 System Security Engineering and/or Cybersecurity Engineering
Experience with NIST Risk Management Framework (RMF)

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

System Security EngineeringCybersecurity EngineeringNIST Risk Management Frameworksecurity controlsproject trackingrisk identificationrisk mitigationrequirements developmentimplementation conceptsbids and proposals

Soft Skills

customer interactionconsultationcommunicationproject managementproblem-solving

Certifications

Bachelor’s Degree in STEMSecret security clearance