Sr. Cyber Security Engineer - Aurora, CO - Active TS/SCI w/ Poly Clearance Required Engineering

Sr. Cyber Security Engineer needed for a Contract opportunity with SOC's client to work onsite in Aurora, CO.

Contract Length: 12+ months, possibility to extend and/or convert to client FTE

*Candidates must have an active TS/SCI with CI Polygraph clearance to be considered for this role.

Our client is seeking a Sr. Cyber Security Engineer to join their Cyber Security Engineering team in Aurora, CO. This position will support Continuous Monitoring and Authority to Operate (ATO) maintenance for Government-accredited systems.

You'll play a key role in vulnerability and compliance management across mission-critical systems and work directly with various stakeholders to ensure system security and integrity.

Responsibilities to Anticipate

* Review and adjudicate findings from Tenable/Nessus vulnerability scans

* Assess system vulnerabilities and verify compliance with applicable STIGs, SRGs, and other security guidelines

* Perform Plan of Action and Milestones (POA&M) work-off

* Support Assessment and Authorization (A&A) activities

* Assist with Software Assurance evaluations

* Provide cybersecurity engineering expertise during system development

* Deploy and maintain security patches in alignment with vulnerability management and compliance policies

* Administer and secure systems operating on Linux OS platforms

Basic Qualifications

* Advanced degree in a STEM discipline and 5+ years of engineering experience

* Experience with Tenable Security Center and Nessus for vulnerability assessments

* Demonstrated experience maintaining and deploying security patches

* Hands-on experience with Linux operating systems and command-line tools

* Working knowledge of NIST RMF, including SP 800-37, 800-53, and 800-171

* Active and transferable Top Secret/SCI clearance with CI polygraph (required Day 1)

* U.S. Citizenship (required)

* DoD 8570.01-M IAT Level II compliant certification (e.g., Security+ or equivalent)

Preferred Qualifications

* Strong understanding of DoD RMF certification & accreditation processes

* Experience using STIG Viewer and performing manual security checks

* IAT Level III certification (e.g., CISSP or equivalent)

* Self-starter with strong problem-solving skills and the ability to work independently

Employment Prerequisites

The following requirements must be met to be eligible for this position: successful completion of a background investigation and drug urinalysis.

SOC, a Day & Zimmermann company, is an Equal Opportunity Employer, EOE AA M/F/Vet/Disability.

Note: Any pay ranges displayed are estimations, which may have been provided by job boards. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Estimated Min Rate: $60.82

Estimated Max Rate: $86.89