Antivirus Engineer Job at Tandym Group, McLean, VA

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  • Tandym Group
  • McLean, VA

Job Description

Job Description

A Fortune 50 financial services company is seeking a highly motivated Antivirus Engineer to join their team in the McLean, Virginia area.

Responsibilities:

  • Diagnose and resolve complex performance issues related to Microsoft Defender.
  • Review and interpret Client Analyzer logs.
  • Recommend tuning and optimization strategies to minimize Defender's resource impact
  • Configure and deploy security policies using Intune, MECM, and Ansible
  • Develop and execute testing methodologies for deployment and policy validation
  • Produce documentation and follow established enterprise engineering and change-control processes
  • Conduct network diagnostics including firewall rule evaluation and packet/traffic analysis
  • Identify and remediate telemetry gaps or inconsistencies across endpoints
  • Review, validate, and maintain security exclusions between test and production environments
  • Ensure all security configurations adhere to enterprise, regulatory, and audit requirements
  • Conduct assessments of current security posture and recommend improvements
  • Review penetration test findings and propose remediation strategies

Qualifications:

  • 8+ years of experience in Endpoint Security Engineering, Antivirus Operations, or Security Tooling Administration
  • Expertise in Microsoft Defender troubleshooting, tuning, and performance analysis
  • Strong experience with Intune, MECM, and Ansible for configuration and deployment
  • Proficiency in KQL, telemetry validation, and log analysis across Security products
  • Hands-on experience with Microsoft security tools (MDE, Sentinel, Defender for Cloud)
  • Strong understanding of Enterprise Security, Compliance, and Governance standards
  • Familiarity with Network Diagnostics, Firewall Evaluations, and Splunk searches

Desired Skills:

  • Experience in large enterprise or financial services environments
  • Experience participating in incident Response, Threat Hunting, or Red Team Remediation
  • Knowledge of secure Configuration Baselines and Endpoint Hardening frameworks

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