IT Engineer (Antivirus)

System One
Vienna, VA
IT Engineer (Antivirus)
Remote
Pay Rate: Open to Both C2C and W2 options
Position Type: Multiyear Contract




Skills Required:
• Defender Performance Troubleshooting

o Diagnose and resolve performance issues related to Microsoft Defender.
o Review and interpret Client Analyzer logs.
o Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis.
o Recommend tuning strategies for Defender configurations to minimize resource impact.



• Policy Configuration & Deployment
o Configure and deploy security policies via Intune, MECM, and Ansible.
o Develop and execute testing methodologies for deployments.
o Create documentation and adhere to established enterprise processes.



• Network & Telemetry Troubleshooting
o Perform network diagnostics, including firewall analysis and Splunk queries for traffic validation.
o Identify and resolve telemetry gaps or inconsistencies across endpoints.



• Compliance & Governance
o Review and maintain security exclusions between test and production environments.
o Ensure compliance with organizational and regulatory standards.



• Microsoft Security Stack Expertise
o Hands-on experience with Defender for Endpoint, Microsoft Sentinel, and Azure/Defender for Cloud.
o Ability to use advanced hunting queries (KQL)



• Security Posture & Risk Assessment
o Conduct assessments of current security posture.
o Review penetration test findings and recommend remediation strategies.



• Soft Skills
o Strong analytical and problem-solving capabilities.
o Effective communication and collaboration across technical and non-technical teams.


System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.


System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.


#M2
#LI-VH1
#DI-VH1


Ref: #850-Rockville (ALTA IT)

Posted 2025-12-25

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