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Administrator II, Core Network

Company: GCI
Location: Anchorage
Posted on: May 3, 2021

Job Description:

GCI's Core Network Administrator is responsible for coordinating, installing, testing, troubleshooting, upgrading and maintaining the network. Maintain the company's systems, wireless data/IP and core network environment by providing operational support for the company's core IP, MPLS, carrier Ethernet and Data/IP network systems in accordance with design criteria and quality goals.

Focus Scope of work could be:

Core Network Responsible to analyze system problems and outages. Status reports forecasting capacity and performance analyses. Ensuring that all network assets and facilities supporting the network elements are maintained to meet the expected life cycle.

  • Configuration and troubleshooting of IP/MPLS routers and switches
  • Configuration and troubleshooting of firewalls
  • Knowledge of the DHCP Protocol
  • Knowledge of IP troubleshooting for end-users
  • Knowledge in physical connectivity (e.g. identifying and troubleshooting Ethernet electrical and fiber connections)
  • Demonstrated knowledge of IPv4 and IPv6 address nomenclature and meaning, e.g. IP protocols, IP routing (including IS-IS and BGP), router and switch components and facilities, and communication facilities (fiber, cable, RF, digital, SONET, OC3, microwave, etc.)
  • Knowledge of Cisco and/or Nokia and/or Brocade router and switch components
  • Understanding of standard network service architectures such as MPLS VPN's, VPRN's, VRF's, IES's, VPLS's, and Pseudowire
  • Demonstrated experience with IP/Ethernet test equipment and test suites
  • Familiarity with SDN controllers (e.g. OpenDaylight)

Access Network Responsible to analyze system problems and outages. Status reports forecasting capacity and performance analyses. Ensuring that all network assets and facilities supporting the network elements are maintained to meet the expected life cycle.

  • Knowledge of troubleshooting Arris Cable Modem Termination Systems and cable modem connectivity
  • Configuration and troubleshooting of firewalls
  • Knowledge of the DOCSIS protocol
  • Knowledge of the DHCP Protocol
  • Knowledge of IP troubleshooting for end-users
  • Hybrid Fiber-Coaxial network theory of operations (e.g. Signal levels, Signal to Noise Ratio, Upstream, and downstream power requirements and limitations.)
  • Knowledge of telephony over DOCSIS
  • Knowledge in physical connectivity (e.g. identifying and troubleshooting coax, electrical Ethernet, and fiber)
  • Demonstrated knowledge of IPv4 and IPv6 address nomenclature and meaning, e.g. IP protocols, IP routing (including IS-IS and BGP), router and switch components and facilities.
  • Knowledge of Cisco and/or Nokia and/or Brocade router and switch components
  • Demonstrated experience with IP/Ethernet test equipment and test suites

Systems Network - File System Management (JFS and JFS2 file systems and logical volume management); Managing System and Network Security Disk Management; Commands for system installation and patching; Ability to write shell scripts to automate tasks; Advanced experience supporting standard UNIX services (BIND, Sendmail, NFS, FTP, SSH, DNS, Syslog facility)

  • Understanding of policy management networks
  • Knowledge of network operating systems (Linux, Windows, Mac).
  • Knowledge and practical experience in working with Linux/Unix operating systems
  • System Backup and Disaster Recovery
  • TCP/IP, Domain Name Server (DNS), Network File System (NFS), Dynamic Host Configuration Protocol (DHCP)
  • Troubleshooting of listed areas.

Wireless Data/IP Network - Responsible for operating and maintaining the Wireless Data/IP network. Compile and maintain accurate data for traffic reporting and provide technical administrative support for the department. To include coordinating installation, testing, and troubleshooting of transmission facilities associated with the Data/IP network, upgrading and administering multiple vendor systems; maintaining system applications; ensuring quality customer service; and providing support to the company's internal business groups responding to problems affecting customers.

  • Knowledge in configuration and troubleshooting of multi-vendor layer 2 and layer 3 environments.
  • Knowledge or Familiarity with Cisco Prime platforms and Cisco Wireless LAN Controllers (WLC's) and Access Points (AP's).
  • Understanding of Radius, LDAP, AAA and TACACS.
  • Knowledge of Linux/UNIX and Windows server.
  • Knowledge of shell scripting/automation and log file analysis.
  • Familiarity with internet protocols, with preference for GTP, SIP, Diameter, UDP, TCP and SCTP.
  • Skills in database management, especially SQL.
  • Experience in communicating a reference design using standard office tools such as Visio and other office software.
  • Familiar with 3GPP network standards and basic operations of cellular networks.
  • Knowledge of and ability to maintain cellular data systems and wireless networking equipment typically found in a cellular data core network.
  • Understanding of how systems function in a wireless data environment, such as cellular data service, SMS, MMS and other related services.

Essential Duties of All Levels in the Position:

  • Project work relating to platform growth and support.
  • Change Management and management plans
  • Configuration and troubleshooting of Nokia, Cisco, Brocade, and Juniper IP/MPLS routers and switches, ARRIS cable modem termination systems, Sandvine policy traffic switches, Incognito DHCP servers, and Palo Alto Networks Firewalls.
  • Working independently and/or in teams with little or no supervision required, providing primary support responsibility for multiple network platforms.
  • Management of network resources
  • Reviewing facilities utilization and performance.
  • Creating and auditing network and systems documentation.
  • Inventory tracking and maintenance, reports to ensure network elements meet expected life cycle/s.
  • Support of junior technicians and Tier I teams
  • Performs daily operational checks and preventative maintenance on all associated equipment.
  • Compile and generate statistical/traffic & network performance reports including bandwidth usage. Identify the bottleneck on associated IP links
  • Responsible to perform system software and hardware upgrades working with Engineering.
  • Working closely with Engineers and other company business groups to resolve problems affecting customers. Ensure compliance with network SLAs.
  • Tracks repair parts and materials according to established procedures.

Knowledge, Skills and Abilities:

  • Must be able to handle moderate levels of stress while demonstrating excellent interpersonal and professional interaction skills with customers and other employees.
  • Experience managing large network platforms.
  • Demonstrated working experience in the use of Visio.
  • Understanding of standard wide area concepts such as routing, multicasting, broadcasting, duplex and half duplex, reliability and testing, high availability, security and standards.
  • Experience with SNMP based network management systems, configuration and operation strongly recommended.
  • Demonstrate excellent administrative and organizational skills, able to effectively document procedures and technical processes.
  • Experience with Remedy, Metasolv, Statseeker, Cacti, Cisco Prime, and X-windows configuration and operation is strongly recommended.

Provide operational support for the company's core IP, MPLS, carrier Ethernet, Wireless/Data IP network systems in accordance with design criteria and quality goals. Functions at an intermediate level within the discipline. Must have comprehensive understanding of telecommunications installation, modifications, and test procedures. Must be able to determine and analyze system problems and outages. Status reports forecasting capacity and performance analyses. Ensuring that all network assets and facilities supporting the network elements are maintained to meet the expected life cycle. Must be able to perform routine to more complex assignments as directed under moderate supervision.

Wireless/Data IP Focus Roles:

  • Configuration and troubleshooting of CISCO routers and switches.
  • Cisco Wireless LAN Controllers (WLC's) preferred but not required.
  • Cisco NCS platform.
  • 802.11n client authentication and registration process.
  • Linux/UNIX and Windows server.
  • Shell scripting/automation and log file analysis.
  • Internet protocols I/P functionality.
  • Database management, especially SQL.
  • Communicate a reference design using standard office tools such as Visio and other office software.

Minimum Qualifications:

  • A minimum of five years' combined work experience working with network platforms, testing, routers and/or switches is required, to include customer service, LAN/WAN Networking, Telecommunications, Wireless Data/IP networks, data communications or telephony topology systems.

  • High School diploma or equivalent is required. Associates degree in networking or related field required. OR, in addition to minimum experience required, degree may be substituted with a combination of relevant work experience and/or education sufficient to perform the duties.

  • Certifications: Industry specific certifications are highly valued and may contribute toward education.

  • Preferred Certifications:

  • Network/Wireless Focus:

  • Cisco CCNA, Nokia NRS-I, or equivalent

  • Cisco CCNP, Nokia NRS-II, or equivalent, SCTE DEP

  • Cisco CCIE, Nokia SRA, or equivalent, SCTE IPEP

  • Systems Focus:

  • Linux Professional Institute (LPI) LPIC-1, Linux Foundation LFCS, or equivalent.

  • Linux Professional Institute (LPI LPIC-2, Linux Foundation LFCE, or equivalent.

  • Linux Professional Institute (LPI) LPIC-3, or equivalent.

Physical Requirements: Ability to perform sedentary work. Physical effort may include stooping, kneeling, touching, feeling, reaching, standing, walking, pushing, pulling, lifting, fingering, grasping, talking, hearing, and repetitive motions. Clarity of vision to see near, mid-range, and color. Ability to lift and carry up to 25 lbs. and work in cramped spaces and at heights. Hearing, vision, depth perception, and hand-to-eye coordination sufficient to perform job duties. Visual and auditory acuity necessary to operate equipment and identify color-coding. Ability to tolerate temperature and weather extremes (fumes and odors, dust, low light conditions.) Strength and coordination sufficient to perform job duties.

Working Conditions: Work is performed in an office environment with long periods of computer work. Must be able and willing to work flexible hours including, but not limited to, overtime, on-call, and/or additional time on weekends, holidays, evenings, before or after normal shift hours.

The company and its subsidiaries operate in a 24/7 environment providing critical services to Alaskans and may need to respond to public health and safety matters or other business emergencies. Due to business needs employees may be contacted outside of the normal business hours to respond to the immediate emergency. You will be requested to provide an emergency after hours contact numbers.

Driving Requirements (if applicable): Must possess and maintain a valid driver's license, proof of insurance, and a satisfactory driving record, and pass the company's defensive driving course.

EEO: We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or another characteristic protected by law.

Dj 2.2020

Keywords: GCI, Anchorage , Administrator II, Core Network, Other , Anchorage, Alaska

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