US-NV-Las Vegas On-site Full-time USD 88,623 – 118,764 / year

Las Vegas-Clark County Library District is hiring a Senior Network Administrator

Responsibilities

  • Plans, deploys, manages, and maintains large-scale local and wide area networks, virtual private networks, SD-WAN, and wireless systems across multiple locations.
  • Acts as lead administrator for Fortinet security infrastructure, managing firewall policies, NAT rules, intrusion prevention, SSL decryption, web filtering, high availability setups, logging, and firmware updates.
  • Continuously monitors network and firewall performance to enhance reliability, speed, and protection against outages.
  • Leads the deployment and governance of security measures such as network segmentation, access control lists, secure remote access, and zero-trust network principles.
  • Manages hybrid identity environments using Microsoft Entra ID, ensuring secure authentication, conditional access integration, and identity-based network policies.
  • Supports network components in Microsoft Azure, including virtual networks, security groups, private links, and secure hybrid connections between cloud and on-premises systems.
  • Diagnoses and resolves advanced network, firewall, and connectivity problems using packet captures, log analysis, monitoring tools, and systematic troubleshooting.
  • Works closely with cybersecurity, systems, and support teams to improve overall security and ensure reliable technology service delivery.
  • Engages in efforts to address vulnerabilities in network systems, firewall configurations, access controls, and system hardening practices.
  • Establishes and enforces standards for secure network design, firewall rule governance, VPN implementations, and administrative access protocols.
  • Conducts regular maintenance, applies patches and updates, manages configuration backups, and ensures disaster recovery readiness for network and security devices.
  • Creates and keeps current detailed documentation of network layouts, firewall settings, IP address schemes, VPN connections, cloud integrations, and operational processes.
  • Assesses new networking technologies and proposes solutions to improve performance, security, redundancy, and growth capacity.
  • Offers expert technical advice and coaching to IT team members and assists with escalated network incident resolution.
  • Participates in off-hours maintenance, emergency response activities, and on-call rotations to support critical network operations.
  • Performs additional tasks as required by management.

Work Arrangement

On-site

Other

  • Full-time position with a 40-hour work week
  • Position is FLSA exempt
  • Application deadline is 11:59 p.m. on Friday, July 24, 2026
  • Interviews are expected during the week of August 10-14, 2026
About company
Las Vegas-Clark County Library District
The Las Vegas-Clark County Library District is an award-winning public library system serving the community with comprehensive resources, programs, and services. It operates multiple branches and offers digital access, educational support, and community engagement initiatives.
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Job Details
Department Information Technology (IT)
Category DevOps & SRE
Posted 7 days ago