New

Enterprise Systems Engineer.

Ampcus, Inc
United States, Virginia, Merrifield
Dec 20, 2025
Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Enterprise Systems Engineer. Location: Merrifield, VA. Job roles and responsibilities: Defender Performance Troubleshooting Diagnosing and resolving performance issues related to Microsoft Defender. Review and interpret Client Analyzer logs. Utilize tools such as ProcMon, MpPerformanceRecording, and similar for root cause analysis. Recommend tuning strategies for Defender configurations to minimize resource impact. Policy Configuration & Deployment Configure and deploy security policies via Intune, MECM, and Ansible. Develop and execute testing methodologies for deployments. Create documentation and adhere to established enterprise processes. Network & Telemetry Troubleshooting Perform network diagnostics, including firewall analysis and Splunk queries for traffic validation. Identify and resolve telemetry gaps or inconsistencies across endpoints. Compliance & Governance Review and maintain security exclusions between test and production environments. Ensure compliance with organizational and regulatory standards. Microsoft Security Stack Expertise Hands-on experience with Defender for Endpoint, Microsoft Sentinel, and Azure/Defender for Cloud. Ability to use advanced hunting queries (KQL). Security Posture & Risk Assessment Conduct assessments of current security posture. Review penetration test findings and recommend remediation strategies. Soft Skills Strong analytical and problem-solving capabilities. Effective communication and collaboration across technical and non-technical teams. Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.