System Administrator

MetroSys is seeking a System Administrator with a strong background in security operations and vulnerability management. In this role, you’ll support enterprise security initiatives by conducting vulnerability scanning, risk analysis, remediation tracking, and incident response activities. This position will work closely with IT Security, Systems, and Network Engineering teams to strengthen infrastructure defenses and ensure compliance with federal security standards.

• Collaborate with engineering teams to review and process vulnerability scan findings, ensuring mitigation, remediation, or risk acceptance is properly documented.

• Configure, execute, and analyze vulnerability scans across a variety of platforms and environments.

• Build and maintain dashboards and reports to communicate actionable insights to leadership.

• Track and align procedures with evolving federal directives, policies, and best practices.

• Investigate alerts related to undocumented devices, access control changes, and service exposure.

• Maintain oversight of security-related system notifications, RBAC adjustments, and audit reports.

• Support incident response activities, working with security operations teams to triage and remediate issues.

• Manage requests related to cyber hygiene, scanning, and IP attribution to reduce organizational attack surface.

• Conduct reconnaissance, scanning, and penetration testing to identify weaknesses and recommend improvements.

Required:

• U.S. Citizenship and ability to obtain Public Trust clearance.

• Bachelor’s degree in Information Technology, Computer Science, or related field.

• 2–4 years of hands-on IT systems or network administration experience.

• Strong understanding of networking protocols (TCP, UDP, DNS, DHCP, NAT, SSL, SSH).

• Experience with Linux/Unix/MacOS CLI and enterprise network devices (Cisco/Juniper).

• Familiarity with FISMA and NIST compliance frameworks.

Preferred:

• Industry certifications (e.g., Security+, CISSP, CEH, CCNA Security).

• Experience supporting mission-driven organizations or federal agencies.

• Previous involvement in vulnerability management and compliance-driven environments.

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