Security‑Focused Network Administrator | VMware & Firewalls

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 as well as conduct routine preventative measures and implement and 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).This position is for third shift with the potential to move shifts in the future.

* This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth.Requirements:

• Secret Clearance or eligible ability to obtain a Secret Clearance1-2 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 Core4ceUnlimited 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? At Core4ce,

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.

San Antonio, Texas, United States

Full-Time/Regular

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.

Equal employment opportunity, including veterans and individuals with disabilities.

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