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General Description
The purpose of this class is to engineer, implement, secure and maintain the County’s enterprise network and communications.
Duties and Responsibilities
The functions listed below are those that represent the majority of the time spent working in this class. Management may assign additional functions related to the type of work of the class as necessary.
Design, engineer, implement and maintain enterprise network and communications infrastructure, including LAN, WAN, wireless, VoIP, collaboration platforms and co-located data center connectivity.
With guidance under the Network Services Manager, serve as primary architect and subject matter expert for enterprise network initiatives.
Design and support Cisco Nexus data center fabrics, including core, distribution and access-layer designs.
Support resilient edge connectivity and SD-WAN solutions, including Peplink platforms with LTE/5G failover and bandwidth bonding for continuity and emergency operations.
Design, document and maintain network, telecommunications, data flow, logical, physical, and as-built diagrams, including on-premise and co-located environments.
Install, configure, support and manage network and security infrastructure, including routers, switches, firewalls, DNS, DHCP, authentication services, and secure inter-site connectivity.
Engineer and manage redundant connectivity, carrier circuits, private Ethernet links, and BGP-based routing.
Administers and supports the County’s Cisco AnyConnect VPN infrastructure, ensuring secure, reliable remote access for County staff and partners.
Research, evaluate and recommend new technologies related to network, telecom, and collaboration.
Manage structured cabling and fiber infrastructure within data centers, co-located facilities as well as IDF and MDF areas.
Analyze network performance, availability and capacity; identify bottlenecks, risks and improvement opportunities.
Troubleshoot complex issues, perform root-cause analysis, and implement long-term corrective action solutions.
Interface and consult with suppliers, service vendors and staff to maximize the overall efficiency and effectiveness of the systems.
Maintain telephone systems services including move/add/change/delete, voicemail, auto attendant and integrated voice response.
Serve as technical liaison with communication carriers, service providers and contractors.
Participate in the budget process with regard to infrastructure upgrades, carrier services, renewals and lifecycle replacement.
Ensure network and communication systems meet all regulatory and security requirements; disaster recovery and business continuity.
Attend meetings, trainings and forums as necessary.
Perform other duties as assigned.
Minimum Education and Experience Requirements:
Four-year degree in Computer Information Systems; or equivalent combination of education and experience.
Minimum seven years of experience:
Route/switch, wireless and security of local and wide area networks including system configuration, setup, troubleshooting, implementation, and user support.
Cisco Nexus data center fabrics
Cisco Catalyst switches
Cisco Next-Gen Firewalls with Firepower Threat Defense
Cisco ISE Identity Service Engine.
Cisco WLAN products and diagnostic tools.
Designing, configuration, setup, troubleshooting, implementing and supporting Cisco IP telephony.
Cisco VOIP, QOS, Call Manager, Unity and UCCX.
Cisco TACACS/ISE
OSPF, EIGRP and BGP and other interior/exterior gateway protocols.
AD, DNS, and DHCP.
Peplink SD-WAN platforms with LTE/5G failover and edge resiliency
NetMotion Mobility VPN
Physical Demands/Work Environment:
Physical demands refer to the requirements for physical exertion and coordination of limb and body movement.
Unavoidable hazards refer to the job conditions that may lead to injury or health hazards even though precautions have been taken.
The work is typically performed sitting at a desk or table or while intermittently sitting, standing, bending, crouching, or stooping. The employee occasionally lifts light and heavy objects.
The work is typically performed in an office, but can also be within a data center or MDF/IDF.
Emergency Preparedness Tier Level: 1
Special Certifications and Licenses:
Complete CJIS Awareness Training Level 4 every two years
Valid TX Driver’s License
Must maintain CJIS compliance
Department: Enterprise Services
Salary: $90,800.00
The County of Galveston is an equal opportunity employer and does not discriminate on the basis of race, color, national origin, religion, sex, sexual orientation, age, disability, gender identity or expression, genetic information, veteran status or any other characteristic protected by law.
