Job Description

As part of the Infrastructure Network team, ensure network communications are always secure, reliable, and stable and access to external resources and connectivity to external entities are maintained to facilitate 24/7-365 agency operations.

Ensure day-to-day operation and high availability of Wide Area Networks (WANs) that span two data centers and remote sites.

Configure, maintain, and troubleshoot Cisco LAN, WAN and wireless networks and technologies including, but not limited to Cisco WLC, and Cisco Catalyst (IOS) and Nexus Series platforms.

Design the network systems including local area networks (LAN), wide area network (WAN), Intranet and Internet connections that meet the agency business and security requirements.

Support network hardware including configuration updates, software testing, and lifecycle refresh.

Work alongside other Information Services Division (ISD) teams to troubleshoot server, client, or application connectivity and performance problems.

Work with Infrastructure Network team members to implement, optimize, monitor, and troubleshoot network connectivity and traffic flow utilizing network management and monitoring tools.

Secure the network system by enforcing policies and defining and monitoring access.

Maintain network configuration documentation and facilitate changes in documentation and network monitoring as devices are added and retired from the network.

Analyze agency requirements to develop technology road maps that point to solutions and their frameworks.

Perform network modeling, analysis, planning, and budgeting.

Plan the installation and implementation of network systems including project timelines, migration, and test plans.

Identify and upgrade the existing network components including the methodology used to monitor the existing networking environment to achieve network optimization.

Research new technology to determine what would be best for the agency in the future.

Audit and document the network infrastructure to ensure adherence to Sheriff's Office/CJIS standards.

Work a ticket queue to ensure issues are being resolved in a timely fashion.

Provide mentorship to junior Infrastructure Network team members.

Participate in a rotating on-call schedule.

Perform other related duties as required.

• An in-depth and up-to-date knowledge of system network design and management.
• Strong system knowledge in open system interconnection layer, Wi-Fi, IPSec, EIGRP, DNS/DHCP and firewall security.
• Knowledge of software-defined networks (e.g., VMware)
• Ability to work with CISCO Network Systems, DNS appliances and enterprise firewall solutions.
• Ability to monitor and manage the network using SNMP protocol, network management and monitoring tools (e.g., WireShark, NetScout, Network Performance Monitor).
• Ability to provide technical expertise to others for root cause analysis.
• Ability to communicate effectively in English, both orally and in writing.
• Ability to trouble network connectivity and performance related issues.

• Certifications: Cisco Certified Network Professional (CCNP).
• Ten years of network architecting and administration experience in an enterprise scale network.
• Experience with Cisco's Routing and Switching technologies, and Internet Routing Protocols.
• Experience in disaster recovery design and implementation solutions.
• Knowledge of DDOS Attacks, mitigation, and industry best practices.
• Knowledge of Linux and/or Windows Operating Systems.
• Familiarity with network, server, and virtualization (e.g., VMWare vSphere).
• Ability to demonstrate network design capabilities.

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