Network and Security Administrator

Position Title

Network and Security Administrator

Information Technology Manager

N12

$38.28/hour - $57.42/hour, Non-Exempt, Dependent on experience

The Network and Security Administrator is responsible for supporting and maintaining the credit union’s core IT infrastructure—including servers, storage, backups, VDI, networks, cloud services, and Microsoft 365—while also contributing to cybersecurity operations, vulnerability remediation, and risk management processes. This hybrid role combines Systems/Network Administration with Information Security responsibilities and plays a key role in maintaining system reliability, performance, security, and high availability.

This position provides Tier 2/3 technical support, resolves escalated issues within SLA commitments, and collaborates with internal teams and external partners to ensure a secure, compliant, and resilient technology environment.

• Deploy, configure, and maintain Windows Server environments (physical and virtual).
• Administer Azure Active Directory and hybrid Active Directory, including SAML SSO integrations.
• Manage Microsoft 365 tenants, security configurations, permissions, and application settings.
• Maintain server patching, OS updates, application patching, and endpoint protection policies.
• Support backup, replication, SAN/NAS storage, and data protection technologies.
• Monitor and optimize system performance, uptime, capacity, and resource utilization.
• Maintain alerting, monitoring, and system health-check processes.
• Document system configurations, lifecycle changes, and infrastructure behaviors.

• Administer and support the credit union’s VDI platform (e.g., VMware Horizon, Citrix, AVD, or equivalent).
• Deploy, update, and maintain gold images, application layers, and virtual workstation pools.
• Monitor VDI performance, utilization, and user session health.
• Troubleshoot login issues, profile errors, application performance problems, and connectivity issues.
• Implement VDI security controls, including access policies, MFA integration, and profile restrictions.
• Ensure virtual desktops remain compliant with patching, antivirus, and configuration baselines.
• Assist with VDI capacity planning, scaling, and lifecycle updates.
• Document VDI processes, master image changes, and update procedures.

• Support and administer network infrastructure including switching, routing, VPN, wireless, and firewalls.
• Troubleshoot advanced LAN/WAN issues such as VLANs, routing, DNS, DHCP, VPN tunnels, QoS, and SD-WAN components.
• Monitor network health, performance, and availability; assist with optimization and segmentation strategies.
• Work with vendors to resolve network outages, performance issues, or configuration updates.
• Assist with firewall rule management, security policies, content filtering, and network hardening.

• Perform continuous monitoring of system, network, identity, and security events.
• Support vulnerability management by reviewing scan results, prioritizing findings, and implementing remediation.
• Apply OS, M365, firmware, and application patches in alignment with security requirements.
• Assist with third-party risk assessments, vendor security reviews, and evidence collection.
• Analyze audit logs and alerts for anomalies, suspicious activity, or policy violations.
• Participate in incident response activities and implement corrective actions.
• Assist with identity governance, least-privilege standards, and periodic access reviews.
• Support cybersecurity initiatives such as MFA, endpoint protection, email security, and network hardening.

• Provide advanced troubleshooting for server, network, VDI, cloud, and security incidents.
• Resolve escalated support tickets within defined SLAs and document resolutions thoroughly.
• Serve as a technical escalation point for the help desk and provide guidance, documentation, and support.
• Conduct root-cause analysis on recurring issues and implement long-term solutions.