CyberSecurity Remediation Engineer; MSFT

Piper Companies is looking for a Security Remediation Engineer to support enterprise‑wide hardening efforts within a global cybersecurity environment. This role, on‑site in Fairfax, VA, plays a key part in reducing attack surface across Hybrid Identity (AD/Entra ), the Microsoft 365 E5 security suite, and multi‑platform compute environments including Windows Server, endpoints, and Azure.

• Implementing threat protections across the M365 E5 security stack, including Defender for Endpoint, Defender for Identity, and Defender for Cloud.
• Hardening infrastructure and endpoints using Intune and GPO, applying Microsoft Security Baselines across servers, workstations, and secure enclaves.
• Remediating high‑priority findings in Microsoft Security Exposure Management and Secure Score, ensuring secure cloud identity and workload configurations.

• 3+ years in Systems Engineering or Security Operations with hands‑on experience in M365 E5, Intune/GPO, and Defender Vulnerability Management.
• Strong analytical skills with the ability to trace security gaps across logs, alerts, and attack paths.
• Adaptability and a continuous‑learning mindset toward modern cybersecurity tools.
• Ability to balance risk with business impact and communicate clearly with both technical and non‑technical stakeholders.
• Calm, methodical problem‑solving under pressure, particularly during deployments or incident response.