Senior Principal Cyber Systems Engineer – RMF/DoD Security

VulnU; Colorado Springs (CO); On-site; USD 114,000 - 213,000; Full time

Benefits offered by this job

Health insurance

Paid time off

Discretionary bonus

Job summary

Northrop Grumman in Colorado Springs seeks a Cyber Engineer to perform security assessments, RMF compliance, and secure configurations for DoD systems. You will work with cross-functional teams to strengthen cyber resilience and policy adherence.

The role requires active DoD Secret clearance, IAT II, and hands-on experience with Trellix ESS, Splunk, and RMF accreditation. Strong communication and documentation skills are essential.

Qualifications

• 5+ years of cybersecurity experience in DoD or equivalent environments.
• Active IAT Level II (Security ) certification.
• Active DoD Secret clearance.
• Strong knowledge of RMF, NIST 800-53, and STIG guidance.
• Experience with security tooling and vulnerability management.

Responsibilities

• Develop, maintain, and document security procedures and processes.
• Perform security assessments and DoD RMF activities per DoD instruction.
• Support ATO processes and accreditation packages across programs.
• Collaborate with system administrators to implement secure configurations.

Skills

Cybersecurity

RMF DoD

IAT II

NIST 800-53

Vulnerability scanning

Education

Bachelor's in cybersecurity or STEM

Master's in cybersecurity or STEM

Tools

Trellix ESS

Splunk

Hyper-V/VMware

JIRA

PowerShell

Linux

Job description

Northrop Grumman in Colorado Springs seeks a Cyber Engineer to perform security assessments, RMF compliance, and secure configurations for DoD systems. You will work with cross-functional teams to strengthen cyber resilience and policy adherence.

The role requires active DoD Secret clearance, IAT II, and hands-on experience with Trellix ESS, Splunk, and RMF accreditation. Strong communication and documentation skills are essential.