Senior Cybersecurity Engineer - Simulation & Training (Onsite)

RTX • Davis, CA

9h • Onsite

About The Position

Collins Aerospace is seeking a highly skilled Cybersecurity Engineer to support secure enterprise environments focusing on the Department of Defense (DoD). The ideal candidate will possess strong expertise in Risk Management Framework (RMF) compliance, network architecture, operating system administration, and cybersecurity best practices. This role requires hands-on technical proficiency across Windows and Linux platforms, network infrastructure, and security controls, along with the ability to support accreditation activities and maintain mission-critical systems. The selected candidate will play a key role in designing, securing, and optimizing infrastructure to ensure operational resilience, regulatory compliance, and performance excellence in a high-security environment. Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

Requirements

• 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 or in absence of a degree, 9 years of relevant experience
• Active and transferable U.S. government issued Top Secret security clearance is required prior to start date
• Must have Linux or Windows experience.
• Experience with Active Directory, VMware, Administration, backup and recovery.

Nice To Haves

• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
• Experience with data storage, NAS, and SAN technologies and solutions
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, MECM, and/or Exchange Scripting

Responsibilities

• Design, develop, and implement technical solutions to ensure compliance with Department of Defense (DoD) Risk Management Framework (RMF) security requirements.
• Architect, deploy, and optimize enterprise network solutions, enhancing performance, scalability, and security across existing and new infrastructure.
• Configure, build, deploy, and maintain Windows and Linux operating system environments in accordance with security and operational best practices.
• Support the Government Information System Security Manager (ISSM) in RMF accreditation efforts, including documentation development, control implementation, assessment coordination, and continuous monitoring activities.
• Install, configure, maintain, and troubleshoot firewalls, routers, and switches to ensure optimal network performance, segmentation, and security posture.
• Validate and verify hardware and software functionality through testing, diagnostics, and performance evaluation.
• Develop and maintain comprehensive technical documentation, including system configurations, standard operating procedures (SOPs), and operational workflows to ensure consistent and secure system administration.

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
• Eligible for relocation assistance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior