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Network Administrator

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Core4ce
Full Time position
Listed on 2026-04-21
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, Network Engineer, IT Support
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Overview

Core4ce
Network Administrator

Core4ce is looking for a Network Administrator to join the team. The Network Administrator will configure, install, and support network hardware and software infrastructure. The candidate will ensure that all network equipment complies with industry and corporate standards, conduct routine preventative measures, maintain network security, and ensure security compliance. This role will be responsible for the planning and implementation of future IT development projects and undertaking project work including project management duties.

Responsibilities
  • Planning and scheduling the installation of new or modified network hardware and systems
  • Managing accounts and network rights
  • Configures network hardware and software infrastructure including switches, routers, firewalls, hubs, bridges, gateways, and virtual devices in VMware
  • Analyzes and resolves faults, ranging from major system crash to a forgotten password
  • Ensuring systems availability, functionality, integrity, and efficiency; maintaining systems configuration
  • Managing the installation and integration of system fixes, updates, and enhancements
  • Ensuring the rigorous application of information security/information assurance policies, principles, and practices
  • Positions either on 1st, 2nd, and 3rd shift - the shift hours are 1st – 6:00 am to 2:30 pm, 2nd 2:00 pm – 10:30 pm, and 3rd – 10:00 pm – 6:30 am (the following day)
Requirements
  • Secret Clearance or eligible to obtain a Secret Clearance
  • 1-2 years of hands-on experience as a Network Administrator
  • High School Diploma or GED
  • 8570 IAT Level II Certification and CND Infrastructure Support within 6 months
  • Demonstrating a solid understanding of firewalls, routers, switches, and other network technologies including Palo Alto and Cisco Firewalls
  • Experience with LAN/WAN, VPN, IPS and associated technologies
  • Experience with TCPDump, Wireshark and analyzing network traffic
  • Understanding of essential network services such as DNS, SMTP, NTP, IMAP, and SNMP
Why Work for Us?

Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance war fighting outcomes.

We offer:

  • 401(k) with 100% company match on the first 6% deferred, with immediate vesting
  • Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
  • Unlimited access to training and certifications, with no pre-set cap on eligible professional development
  • Tuition assistance for job-related degrees and courses
  • Paid parental leave, PTO that grows with tenure, and generous holiday schedules
  • Got a big idea? The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.

Join us to build a career that matters—supported by a company that invests in you.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status

Equal employment opportunity, including veterans and individuals with disabilities.

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