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Computer Security Engineer Jobs in Virginia (NOW HIRING)

Tria Federal

Senior Security Engineer

Arlington, VA · On-site

$131K - $180K/yr

Senior Security Engineer Tria Federal is seeking a Senior Security Engineer to support our ... Bachelor's degree in cybersecurity, computer science, engineering, technology, data science ...

Cymertek

System Security Engineer

Reston, VA · On-site

System Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Cybersecurity, Computer Science ...

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Infographic showing various Computer Security Engineer job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 3% Contract, and 1% Nights. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution.

Computer Security Engineer -02122

Alexandria, VA • On-site

Syneren Technologies Corporation
IT Services • 51 - 200 employees
Learn more about Syneren Technologies Corporationexternal

Full-time

Re-posted 9 days ago

Job description

Job Title: Computer Security Engineer
Location: Alexandria, VA (Onsite)
Clearance Required: Top Secret
Employment Type: Full-Time/Exempt
Company Overview:
Syneren Technologies Corporation delivers advanced IT and engineering solutions to the Federal Government, supporting mission-critical systems with innovation and integrity.
Position Summary:
We are seeking a Computer Security Engineer to design, implement, and maintain cybersecurity infrastructure across enterprise systems. This role ensures compliance with DoD standards and protects digital assets from evolving threats.
Key Responsibilities:
    Manage cybersecurity tools (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout)
    Administer ACAS/Nessus for vulnerability scanning and compliance reporting
    Monitor and respond to threats using HBSS, SIEM, and WAF tools
    Develop SOPs, policies, and procedures aligned with DoD standards
    Collaborate with IT and DevOps teams to remediate vulnerabilities
    Support audits and ensure RMF, STIG, and FISMA compliance
    Deliver actionable security reports and recommendations
Minimum Qualifications:
    5+ years with HBSS (Trellix/ePO) and ACAS (Nessus)
    3+ years Azure cloud experience
    2+ years with SIEM tools (Sentinel, Defender for Cloud, F5 Big-IP AMS)
    Experience with Windows/Linux, SCC, PKI, antivirus, and cloud security
    5+ years RMF experience, including assessor roles
    2+ years with Cross Domain Solutions (CDS)
    Strong understanding of DoD cybersecurity frameworks
Required Certifications:
    IAT Level II (CompTIA Security+, SSCP, or equivalent)
    AZ-900
    Top Secret Clearance
Preferred Certifications:
    SC-900 or AZ-500
Working Conditions:
    Standard office environment
    May require extended hours during deadlines
    Must be able to lift up to 15 lbs and move throughout the office

Disclaimer

This job description is intended to describe the general nature and level of work performed. It is not an exhaustive list of all responsibilities, duties, and skills required.

ADA Compliance: Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

EEO-1 Statement: We are an Equal Opportunity Employer and do not discriminate based on race, color, religion, sex, national origin, age, disability, or genetic information.

E-Verify Participation: This employer participates in E-Verify to confirm the eligibility of all newly hired employees to work in the United States.

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