Systems Administrator, Network

The Systems Administrator, Network is responsible for administering, maintaining, securing, and optimizing the organization’s network infrastructure and related systems. This role supports reliable connectivity, network availability, system performance, and secure access across local, wide area, wireless, cloud, and remote access environments. The position works closely with IT operations, cybersecurity, service desk, vendors, and business stakeholders to troubleshoot issues, implement upgrades, document configurations, and ensure network services support organizational needs., * Comply with all organizational policies and standards, including safety rules, and be willing to report actual and potential violations to the appropriate supervisor or manager., Network Administration & Infrastructure Support (25%)

• Install, configure, administer, and maintain network infrastructure, including switches, routers, firewalls, wireless access points, VPN, DNS, DHCP, and related services.
• Support LAN, WAN, WLAN, internet, and remote access environments to ensure reliable connectivity and performance.
• Maintain network hardware, software, firmware, licensing, configuration standards, and lifecycle replacement plans.

Monitoring, Troubleshooting & Performance Management (25%)

• Monitor network availability, utilization, latency, capacity, and security events using approved monitoring and management tools.
• Troubleshoot, diagnose, resolve, and document network connectivity, hardware, software, routing, wireless, and performance issues.
• Provide escalation support for service desk tickets and coordinate with vendors or carriers to resolve incidents within service expectations.

Network Security & Access Controls (20%)

• Implement and maintain network security controls, including firewall rules, VPN access, segmentation, wireless security, and secure device configurations.\
• Partner with cybersecurity and IT teams to investigate network-related security events, vulnerabilities, and unauthorized access attempts.
• Apply patches, firmware updates, and configuration changes in accordance with change management, security, and compliance requirements.

Projects, Upgrades & Business Support (15%)

• Support network infrastructure projects, site deployments, system upgrades, vendor implementations, and technology refresh initiatives.
• Collaborate with IT and business teams to assess requirements, recommend solutions, and ensure network services meet operational needs.
• Test, validate, and communicate network changes to minimize business disruption and maintain service continuity.

Documentation, Compliance & Disaster Recovery (15%)

• Maintain accurate network diagrams, inventories, IP address documentation, configuration records, procedures, and operational runbooks.
• Support audit, compliance, business continuity, backup, and disaster recovery activities related to network services.
• Recommend process improvements and technical standards that strengthen reliability, security, scalability, and operational efficiency., * Work Environment: Primarily office-based in the MIS department; work may include office, data center, network closet, and remote support environments.
• Physical Requirements: Ability to sit or stand for extended periods, access equipment in racks or network closets, and lift or move network equipment as needed.
• Travel: Occasional travel for site visits, installations, vendor meetings, training, or project support.
• Schedule: Standard business hours with occasional evening, weekend, on-call, or emergency support required for maintenance windows and incident response.

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, Network Administration, Cybersecurity, or a related field., * 3+ years of experience administering, supporting, and troubleshooting enterprise network infrastructure, systems, and related services.
• Experience with LAN/WAN/WLAN technologies, TCP/IP, VLANs, routing, switching, firewalls, VPN, DNS, DHCP, and network monitoring tools.
• Experience supporting Microsoft Windows Server, Active Directory, endpoint connectivity, remote access, and enterprise infrastructure environments.
• Demonstrated ability to troubleshoot complex technical issues, document resolutions, communicate clearly, and manage priorities in a service-oriented environment., * Cisco CCNA, CCNP, CompTIA Network+, CompTIA Security+, Microsoft, Fortinet, Palo Alto, or equivalent networking/security certification.
• Experience with cloud networking, Microsoft 365, Azure, virtualization, VoIP, SD-WAN, wireless controllers, network access control, or centralized logging/SIEM tools.
• Experience working in regulated, healthcare, nonprofit, or mission-critical operational environments.
• ITIL Foundation or experience with change, incident, problem, asset, and configuration management practices.

Since 1975, Gulf Coast Blood has been one of the nation’s largest community blood centers, serving 170 hospitals across 26 counties. Headquartered in Houston, we support the world’s largest medical complex-the Texas Medical Center-while operating 18 donor centers and hosting more than 7,000 mobile blood drives each year. As an FDA-accredited nonprofit, we provide high-quality human cellular material for both scientific and therapeutic use.