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Network Administrator III in Phoenix, AZ at HSAG

Date Posted: 9/14/2018

Job Snapshot

Job Description


As a member of the IT Team, the Network Administrator III is responsible for supporting the configuration, installation, maintenance and ongoing support of various servers, systems and technologies in support of our IT infrastructure. The Network Administrator III will work collaboratively with other administrators, technicians, and leadership to provide back-end network and systems support.  Typical responsibilities include installation and configuration of Cisco routers/switches/ASA’s, availability and performance monitoring, testing, troubleshooting and developing documentation, and project planning and communications. The Network Administrator III will also provide support for related incidents or outages, conduct root cause analysis and document solution within defined service levels; provide after hours or on call support as assigned or requested.


  • Provides leadership, technical planning, implementation and technical support for information systems networks, hardware, and software to all users in a multiple network, multiple site environment.
  • Responsible, quick learner, creative, analytical thinker, resourceful and able to work independently
  • Assists with administration, maintenance, improvements, and support of
    • Cisco network equipment including
      • Routers
      • Switches (and Nexus)
      • Adaptive Security Appliances - (ASA)
    • Cisco Firepower and features (geo-blocking, intrusion and malware detection, etc.)
    • Meraki wireless access points
    • Monitoring and documentation tools (PRTG, NetBrain, CatTools, Amazon Route53, IPAM, System Center Operations Manager, Visio, etc.)
    • Azure environment (IaaS, PaaS, network connectivity)
    • Juniper switches
  • Understands
    • Configuring QoS, BGP, EIGRP, RSTP, VLANs, EtherChannel, NAT/PAT, ACL, IPSec VPN
    • IP Protocols and Services - DHCP, HTTP, TCP/UDP, FTP, TFTP, IP, DNS. IPv4, SSH
    • WAN technologies including MPLS, Leased Lines, ISDN, Broadband
  • Researches, recommends, plans and implements new technology
  • Provides technical leadership to junior team members
  • Acts as Tier III Helpdesk escalation team member/on call support
  • Assists the IT team with
    • Documentation of IT systems and changes
    • Hardware diagnostics, software problems, updates to, and replacement of defective components
    • Monthly maintenance and testing activities


  • Project Management
  • Technical writing
  • Network control, authentication, and governance systems (Active Directory, RADIUS, DNS, DHCP, TCP/IP, etc.)
  • IIS .Net websites
  • Hyper-V Clusters
  • Network storage (EMC SAN’s) systems
  • Backup systems (EMC Avamar, EMC Data Domain, EMC Networker)
  • Office 365 (Office Suite, Exchange, and SharePoint Online)
  • Other systems including Microsoft Dynamics CRM, Microsoft SQL Server, SAS, etc.


To function in this position successfully an individual must be able to perform each essential duty satisfactorily.  The requirements listed are representative of the knowledge, skill and/or ability required.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Job Requirements


  • Bachelor’s Degree and/or five years of relevant experience
  • Technical certifications are a plus (CCIE, CCNP, CCNA) or equivalent experience


This is not necessarily an exhaustive list of all responsibilities, skills, duties, requirements, efforts or working conditions associated with the position. While this is intended to be an accurate reflection of the current position, management reserves the right to revise the position or to require that other or different tasks be performed when circumstances change (e.g., emergencies, changes in personnel, work load, rush jobs requiring non-regular work hours, or technological developments).

HSAG is an EEO Employer of Veterans protected under Section 4212.

If you have special needs and require assistance completing our employment application process, please feel free to contact us.

EOE M/F/Vet/Disability.