Core Network Administrator II

GCI Careers

87d

About The Position

GCI's Core Network Administrator II will provide expert-level support for local area networks (LAN), wide area networks (WAN), and internet-based systems. Involve operational monitoring, proactive support, detailed analysis, and systems administration, ensuring the continued optimal performance of the organization's networks. Responsibilities include maintaining, securing, and configuring network systems and applications to safeguard against vulnerabilities and ensure seamless connectivity. Accountable for the configuration, troubleshooting, security, and performance optimization of data communications hardware and software components. Requires close coordination, testing, troubleshooting, upgrading, and maintenance of the network infrastructure to ensure high availability and minimal downtime. Additionally, supports the company’s IP and core route/switch network environment, overseeing the operational integrity of core IP, MPLS, carrier Ethernet, and Data/IP network systems. Responsibilities extend to providing expert technical support for incident resolution, ranging from complete service outages to chronic intermittent issues that reduce network performance, all while ensuring compliance with established design criteria and quality objectives.

Requirements

• A combination of relevant work experience and/or education sufficient to perform the duties of the job may substitute to meet the total years required on a year-for-year basis.
• High School diploma or equivalent.
• Associates degree in Telecommunications, Computer Science, Networking, or related field.
• A minimum of six (6) years’ combined work experience working with network platforms, testing, routers and/or switches.

Nice To Haves

• Experience with Cherwell, Metasolv, Statseeker, Cacti, Grafana, Cisco Prime, and Cisco ISE.
• Experience with SNMP based network management systems, configuration and operation.
• Experience with IP networking automation and scripting.
• Cisco Wireless LAN Controllers (WLC's).
• Telecommunications experience.
• Other relevant telecom industry or job specific certifications.
• Cisco CCNA, Nokia NRS-I, Juniper JNCIA or equivalent.
• Cisco CCNP, Nokia NRS-II, Juniper JNCIP or equivalent, SCTE DEP.
• Cisco CCIE, Nokia SRA, Juniper JNCIE or equivalent, SCTE IPEP.

Responsibilities

• Lead project work focused on expanding and supporting network platforms, ensuring scalability and futureproofing.
• Develop and implement comprehensive change management plans to ensure smooth transitions and minimal disruptions during updates and changes.
• Configure, optimize, and troubleshoot Nokia, Cisco, Brocade, and Juniper IP/MPLS routers and switches, ARRIS Cable Modem Termination Systems, and Palo Alto Networks firewalls.
• Work independently or as part of a team with minimal supervision, taking primary responsibility for supporting multiple network platforms.
• Efficiently manage network resources, ensuring optimal allocation and utilization to meet business and operational needs.
• Regularly review network facilities utilization and performance.
• Develop and audit comprehensive network and systems documentation.
• Oversee inventory tracking and maintenance, providing regular reports.
• Provide guidance and support to junior technicians and Tier I teams.
• Perform daily operational checks and preventative maintenance on all associated equipment.
• Compile and generate detailed traffic and performance reports.
• Take responsibility for executing system software and hardware upgrades.
• Work closely with engineers and various company business groups to resolve issues affecting customers.
• Track repair parts and materials according to established procedures.
• Install, configure, and provide ongoing support for the company’s LAN, WAN, and internet systems.
• Continuously monitor network performance to ensure availability for all system users.
• Monitor and test site performance to ensure optimal operation.
• Support in-network modeling, analysis, and planning efforts.
• Administer and implement network security measures.

What This Job Offers

• Education Level: Associate degree
• Number of Employees: 1,001-5,000 employees