Senior InfoSec Systems Engineer - RMF/DoD Cyber

L3Harris Technologies; Colorado Springs (CO); On-site; USD 92,500 - 171,500; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

EAP

Education assistance

Parental leave

Paid time off

Job summary

L3Harris Technologies seeks a Sr. Specialist in Info Security Systems Engineering in Colorado Springs. The role focuses on defining, implementing, and sustaining security solutions for government systems, aligned with NIST RMF and JSIG guidelines.

It requires designing secure architectures, conducting vulnerability analysis, and collaborating with developers and vendors. Candidates must hold a TS/SCI clearance (SAP possible later), DoD 8140.03 Level 3/4, and have hands‑on experience with

Qualifications

• Bachelor’s Degree and minimum 6 years of experience; graduate degree reduces experience need.
• In lieu of a degree, minimum of 10 years of related experience.
• Must have active TS/SCI clearance; ability to obtain SAP clearance after hire.
• DoD 8140.03 Level 3 or 4 certification.

Responsibilities

• Perform incident response and threat identification per NIST RMF guidance.
• Prepare System Security Plans and Security Control traces.
• Implement/assess security controls across systems and networks.
• Develop/maintain data flow diagrams, interface control documents, and STIGs.
• Participate in CI/CD pipelines using Fortify, Coverity, and GitLab.

Skills

RMF/NIST knowledge

SAST/DevSecOps

Vulnerability tools

Splunk SEIM

Cloud/On-prem architecture

Education

Bachelor's degree

Graduate degree

Experience in lieu of degree

Tools

Fortify/Coverity

GitLab CI/CD

Tenable Nessus

Splunk

STIG compliance

Job description

L3Harris Technologies seeks a Sr. Specialist in Info Security Systems Engineering in Colorado Springs. The role focuses on defining, implementing, and sustaining security solutions for government systems, aligned with NIST RMF and JSIG guidelines.

It requires designing secure architectures, conducting vulnerability analysis, and collaborating with developers and vendors. Candidates must hold a TS/SCI clearance (SAP possible later), DoD 8140.03 Level 3/4, and have hands‑on experience with