Senior Network Administrator
About The Position
Responsible for effective administration, configuration, installation, provisioning, monitoring and troubleshooting to ensure availability, capacity and performance of network infrastructure systems is achieved. Perform assigned duties as listed in RACI model(s) under general supervision from manager. Collaborate with peers and manager on operational tasks, system enhancements and project activities. Support enterprise Cisco network infrastructure, including routing and switching, wireless networking, SD-WAN, network monitoring, branch/ATM connectivity, and network operations. Install, configure, maintain, patch, upgrade, and troubleshoot network systems and related infrastructure. Develop and maintain configuration standards and operating procedures. Coordinate with vendors for technical support and upgrades. Monitor network health, availability, alerts, logs, performance, capacity, and system integrity; provide KPI and metrics reporting as needed. Respond to incidents, problems, service requests, and escalations; monitor ITSM queues and prioritize resolution appropriately. Lead root cause analysis efforts for major incidents. Act as an escalation point for complex network issues. Develop and maintain configuration standards, operating procedures, documentation, runbooks, and process improvements. Conduct after-hours maintenance. Coordinate with team members, vendors, engineering teams, and service stakeholders for support, upgrades, maintenance, and project work. Create, change, and delete user accounts per request. Provide assistance for support cases escalated by Network Administrators I & II Conduct after-hours maintenance, participate in the on-call rotation supporting the production environment 24x7x365, and travel to remote office and ATM locations up to 50% of the time. Performs other duties as assigned. Complies with regulatory compliance and assigned training requirements including but not limited to BSA regulations corresponding to their specific job duties. Failure to do so may result in disciplinary and other employment related actions.
Requirements
- High School Diploma or GED required
- Bachelor's Degree in a related field or equivalent years of experience required
- 3-5 years of relevant network infrastructure experience required
- Cisco CCNA Routing and switching required
- Intermediate knowledge of routing, switching, LAN/WAN, TCP/IP, OSI, VLANs, trunking, NAT, QoS, DHCP, DNS, HSRP, IPsec, EIGRP, OSPF, and BGP.
- Foundational to intermediate knowledge of SD-WAN, branch connectivity, circuit failover, DIA, broadband, MPLS, cellular connectivity, and enterprise network monitoring.
- Foundational to intermediate knowledge of Python and Ansible.
- Foundational to intermediate knowledge of monitoring applications: Live Action, Thousand Eyes, Solarwinds, and other products.
- Foundational to intermediate knowledge of wireless networking, including Aruba, Cisco Wireless, access point monitoring, client troubleshooting, and RF basics.
- Foundational to intermediate knowledge of incident, request, task, and change management workflows; device lifecycle support; configuration validation; backup review; and standardization efforts.
- Foundational to intermediate knowledge of network documentation, configuration checklists, diagrams, branch/ATM support documentation, standard operating procedures, automation, reporting, and operational efficiency practices.
- Intermediate knowledge of SNMP, logging, packet capture, operating systems, servers, storage, audit/security best practices, and data center standards including cabling, power, fire suppression, and safety.
Nice To Haves
- Cisco CCNA Wireless preferred
- Cisco CCNA Security preferred
- ACMA/ACCA preferred
- CCSA preferred
- F5-CA preferred
- Participation in the CA DMV pull program may be required depending on assignment
Responsibilities
- Effective administration, configuration, installation, provisioning, monitoring and troubleshooting of network infrastructure systems.
- Perform assigned duties as listed in RACI model(s) under general supervision.
- Collaborate with peers and manager on operational tasks, system enhancements and project activities.
- Support enterprise Cisco network infrastructure, including routing and switching, wireless networking, SD-WAN, network monitoring, branch/ATM connectivity, and network operations.
- Install, configure, maintain, patch, upgrade, and troubleshoot network systems and related infrastructure.
- Develop and maintain configuration standards and operating procedures.
- Coordinate with vendors for technical support and upgrades.
- Monitor network health, availability, alerts, logs, performance, capacity, and system integrity; provide KPI and metrics reporting.
- Respond to incidents, problems, service requests, and escalations; monitor ITSM queues and prioritize resolution.
- Lead root cause analysis efforts for major incidents.
- Act as an escalation point for complex network issues.
- Develop and maintain configuration standards, operating procedures, documentation, runbooks, and process improvements.
- Conduct after-hours maintenance.
- Coordinate with team members, vendors, engineering teams, and service stakeholders for support, upgrades, maintenance, and project work.
- Create, change, and delete user accounts per request.
- Provide assistance for support cases escalated by Network Administrators I & II.
- Participate in the on-call rotation supporting the production environment 24x7x365.
- Travel to remote office and ATM locations up to 50% of the time.
- Perform other duties as assigned.
- Comply with regulatory compliance and assigned training requirements.
Benefits
- Diverse, Equitable, and Inclusive Hiring
- Opportunity for growth and tenure
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What This Job Offers
Job Type
Full-time
Career Level
Senior
