Senior Network Administrator (LAN)

Job Locations US-AZ-Fort Huachuca
Job Post Information* : Posted Date 5 months ago(3/18/2022 4:02 PM)
Location : Location
US-AZ-Fort Huachuca
Potential for Remote
Clearance Requirement
Top Secret/SCI
Job Requires Relocation
Job Requires Relocation


SOS International, LLC (SOSi) is currently seeking a Senior Network Administrator (LAN) in Fort Huachuca, AZ. The Senior Network Administrator reports to the LAN Team lead and is responsible for delivering fast, reliable, and redundant internal wired / wireless networks ensuring Government customers have access to RCC-C managed services to include common-use items.


  • Perform data configuration and installation of switches, TACLANE encryption devices, environmental sensors/servers.
  • Support physical installation, removal, replacement, and physical management of RCC-C hardware.
  • Monitor and conduct performance evaluation of networks.
  • Support, install, maintain, and troubleshoot all local area networking devices and related software for branch offices and internal and external networks.
  • Provide integrated team support and maintenance of LAN hardware and software.
  • Maintain integrity of the LAN hardware and software.
  • Install LAN software upgrades, including planning and scheduling, testing and coordination.
  • Support patching and system hardening through STIG application.
  • Develops, updates, and provides evidence for POAM maintenance and resolutions for all team controlled assets identified with an open security vulnerability requiring mitigation.
  • Study vendor products to determine those which best meet organization needs; assist in presentation of information to management for purchase consideration and installation of hardware, software, and telecommunications equipment if procured.
  • Evaluate new products and technologies to determine impact on existing system configurations.
  • Document, maintain, and update physical / logical diagrams that depict current operational structures of the LAN managed devices, active network interfaces, IP addresses, and subnet masks.
  • Support installation, maintain, repair, move, and/or replace network infrastructure cabling, vertical and horizontal management systems, drop boxes, equipment racks, and cable trays.
  • Provide liaison support between the LAN team, vendors and internal support group as needed.
  • Provide on-call support after business hours and during weekends when required.
  • Maintain SOPs, TTPs, and SmartBooks associated with current knowledge of relevant technologies as assigned.
  • Follow ITIL best practices to manage tickets and processes.
  • Participate in special projects as required.
  • May collaborate with GTMs, Branch Chiefs, Division Chiefs and RCC-C Leadership.


  • Active in scope Top Secret (TS) with eligibility for Sensitive Compartmented Information (SCI) clearance or the abililty to obtain an Interim Top Secret with SCI eligibility
  • HS +12 yrs similar technical experience or AA/AS +10, or BS/BA +8.
  • An IAT II certification (CCNA-Security, CND, CySA+, GICSP, GSEC, Security+ CE, or SSCP) is required.
  • CSSP-IS Certification
  • Knowledge of installation, maintenance, troubleshooting, and support of Cisco Internetworking Devices.
  • Knowledge of installation, maintenance, troubleshooting, and support of Juniper Internetworking Devices.
  • Knowledge of Standard Routing Protocols, i.e. EIGRP, BGP, OSPF, etc.
  • Knowledge of TCP/IP ports, protocols, and subnetting.
  • Network fundamentals.
  • Network services such as: DNS, DHCP, NTP, and LDAP.
  • Cybersecurity fundamentals.
  • IT Industry terminology.
  • Advanced troubleshooting and problem solving techniques.
  • Excellent oral and written communication.

Preferred Qualifications

  • ITIL Foundation Certification
  • FedVTE
  • Fluency in a foreign language is desirable, but not required.

Working Conditions

  • Working conditions are normal for an office environment.
  • Fast paced, deadline-oriented environment.
  • May require periods of non-traditional working hours including consecutive nights or weekends (if applicable).

SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.


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