Onsite DoD RMF Security Engineer – Secret Clearance

Collins Aerospace; Sterling (VA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Job summary

Collins Aerospace seeks a Systems Security Engineer to strengthen DoD RMF compliance and secure enterprise environments in Sterling, VA. The role demands hands-on work across Windows and Linux, network architecture, and security control implementation to support mission-critical systems.

The position requires an active SECRET clearance and onsite work in Sterling, VA. You will collaborate with ISSM and engineering teams to design, implement, and validate secure infrastructure, with a strong

Qualifications

• STEM degree and 5+ years experience, or advanced degree with 3+ years.
• Active and transferable US government Secret clearance required.
• RMF experience required.
• Experience with Linux or Windows environments.
• Experience with AD, VMware, administration, SIEM tools like Splunk or Kiwi.

Responsibilities

• Develop, implement, and maintain secure DoD RMF compliant system architectures.
• Engineer, deploy, and harden enterprise networks for high security and resilience.
• Configure Windows and Linux environments using baselines and automation.
• Create and secure IaC artifacts (Ansible, VMware templates) for repeatable provisioning.
• Design Ansible workflows to enforce configuration compliance and patching.
• Support RMF accreditation activities with the Government ISSM.
• Install and troubleshoot enterprise firewalls, routers, and switches.
• Conduct vulnerability analysis and security validation for compliance.

Skills

RMF experience

Linux experience

Windows experience

Active Directory

VMware

SIEM tools (Splunk)

Tenable

Education

Bachelor's degree in STEM

Advanced degree (related field)

Tools

Ansible

VMware vCenter

vSphere

ESX

Trellix Endpoint Security

Job description

Collins Aerospace seeks a Systems Security Engineer to strengthen DoD RMF compliance and secure enterprise environments in Sterling, VA. The role demands hands-on work across Windows and Linux, network architecture, and security control implementation to support mission-critical systems.

The position requires an active SECRET clearance and onsite work in Sterling, VA. You will collaborate with ISSM and engineering teams to design, implement, and validate secure infrastructure, with a strong