Lead Network Administrator - Information Technology (0926)

Coconino County Sheriff's Office (Patrol); Flagstaff (AZ); On-site; USD 81,000 - 105,000; Full time

Job summary

Coconino County Sheriff's Office (Patrol) seeks a Lead Network Administrator to support the enterprise network across campus, data centers, remote sites, cloud, and third‑party connections. Role focuses on voice, data, and security services, with responsibilities for installation, patches, and topology documentation.

The ideal candidate will manage Cisco Call Manager, firewall, and network security, maintain documentation, and participate in change management and disaster recovery planning.

Qualifications

• Associate degree in computer science or related field with four years of telecommunications and networks experience.
• Two years of systems management/administration.
• CCNA certification and ability to obtain CCNP within 18 months.

Responsibilities

• Oversees the purchase, installation, and maintenance of enterprise infrastructure equipment and software.
• Analyzes, administers, and maintains voice, video, and/or communication circuits.
• Maintains network devices by applying patches and performing firmware upgrades.
• Maintains network security and ensures compliance with security policies and procedures.
• Configures switches, routers, firewalls, network taps, and cryptographic devices.
• Interfaces with vendors to resolve outages or performance issues.
• Develops and maintains internal knowledge transfer and network topology documentation.

Skills

TCP/IP

OSPF

BGP

MPLS

VxLAN

Call Manager

Network security

Education

Associate degree in computer science or related field

CCNA certification

CCNP (18 months)

Tools

Cisco/Nexus equipment

Cisco Call Manager

ISE (Identity Services Engine)

Job description

Nature of Work
Under general supervision, performs work of considerable difficulty supporting the strategic function and administration of the enterprise network infrastructure. This includes Campus, Datacenter, Remote Sites, Cloud, and third-party network connectivity. Services include VoIP, Switching, Routing, VPN, Firewall, Virtual Networking, Wireless and related systems throughout the County; performs related work as assigned.
Work Arrangement: This is an in-office position. Limited remote work may be authorized on an occasional basis, subject to operational needs, and requires prior approval from the Deputy Chief Information Officer or Chief Information Officer.
Background Requirement: This position will require the successful completion of a Criminal Justice Information Services (CJIS) fingerprint and background clearance within 90 days of employment, this must be maintained throughout employment.
Please note: Pay for this position is dependent on applicant skills and experience. The hiring range for the position is: $80,518.00 - $105,000.00 Annually
Typical Duties
(Illustrative Only)

• Oversees the purchase, installation, and maintenance of enterprise infrastructure equipment and/or software
• Analyzes, administers and maintains voice, video, and/or communication circuits
• Maintains network devices by applying patches and performing firmware upgrades
• Maintains network security and ensures compliance with security policies and procedures
• Configures switches, routers, firewalls, network taps, and cryptographic devices
• Interfaces with vendors to ensure appropriate resolution during network outages or periods of reduced performance
• Develops and maintains internal knowledge transfer and network topology documentation
• Maintains lifecycle asset management of infrastructure hardware, software, warranty, maintenance, and support
• Participates and may lead in special projects as required
• Occasional participation in an on-call rotation for support of systems outside of normal business hours
• Evaluate risk and vulnerability reports
• Participate in change management meetings
• Mentor and train network administrators
• Participate in technical RFPs/RFIs
• Responsible for Cisco Call Manager enterprise services that may include Emergency Operations Support (Hotline creation, call trees, etc.)
• Responsible for up-to-date infrastructure documentation of countywide communication circuits and services across the County
• Interfaces with vendors during special projects requiring professional services
• Conducts research on network products, services, protocols, and standards to remain well-informed of developments in the network and security industry, technologies, and best practices then provides knowledge-based recommendations to management
• Maintains and reviews infrastructure contracts with leadership
• Responds to customer tickets regarding requests and/or issues
• Participate in disaster recovery administration and routine testing to ensure continuity of services
• Performs phone set changes/moves/adds/deletes and related programming
• Participates in cost analysis, department budgeting, short-and-long-range planning and development of departmental objectives
• Other duties as assigned

Essential functions of this position include but are not limited to: walking; working with and around other staff and County employees; dealing with interruptions; repetitive motion (hand-wrist) for keyboarding; vision-acuity (near) for monitoring PC screen data; Color vision necessary for working with color coded cables; hearing and speech (ordinary conversation) for communicating with staff and customers; touch (finger dexterity) for keyboarding; Environmental hazards include electrical hazards associated with working with computers, servers and circuits, and potential for falls from ladders.
Minimum Qualifications Associate degree in computer science or related field, with four years of increasingly responsible experience in telecommunications and networks, including two years of systems management/administration; OR any equivalent combination of education, training and experience which demonstrates the ability to perform the duties of the position.
Additional Requirements: Cisco Certified Network Associate (CCNA) certification with the ability to obtain Cisco Certified Network Professional (CCNP) within 18 months.
This position is exempt from overtime.
Preferred Qualifications The Lead Network Administrator will ensure the reliability, security, and efficiency of our data communications network using skills and expertise to deploy, configure, maintain, and monitor all active network equipment, ensuring seamless network operations. Ability to work on and manage a variety of projects while meeting tight deadlines; troubleshoot problems and develop both short-and long-term solutions; to establish and maintain effective working relationships with a variety of individuals and groups including customers in stressful situations; and ability to work collaboratively with IT peers.
The ideal candidate will be an energetic, enthusiastic self-starter with an emphasis on the customer experience. This position will be working to support a 250+ layer2/layer3 environment providing critical services to Coconino County internal/external partners.
Knowledge, Skills And Abilities Thorough knowledge of:

• Network protocols including TCP/IP, OSPF, BGP, MPLS
• Overlay technologies like SDN, Vxlan, MPBGP eVPN etc.
• Cisco/Nexus network equipment including routers, switches, firewalls, firepower, IOS and NXOS operating system
• Cisco Call Manager configuration, operation, and maintenance
• Cisco Identity Services Engine (ISE)
• Network security practices
• Principles and practices of project planning and implementation