Network Administrator

Core4ce; San Antonio (TX); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

401(k) with company match

Medical, dental, and vision coverage

Employee training and certifications

Tuition assistance

Parental leave and PTO

Generous holiday schedule

Internal innovation program (The Forge

Job summary

Core4ce invites applications for a Network Administrator role in San Antonio, TX. You will configure, install, and support network hardware and software infrastructure while ensuring compliance with industry and corporate standards.

The role includes planning and implementing IT development projects, maintaining security practices, and shifts across 1st, 2nd, and 3rd periods with potential future changes. This is a full-time position requiring 8570 IAT II and security awareness.

Qualifications

• 1–2 years hands-on experience as a Network Administrator.
• Secret Clearance or eligible to obtain a Secret Clearance
• 8570 IAT Level II Certification and CND Infrastructure Support within 90 days
• Experience with Palo Alto and Cisco Firewalls, LAN/WAN, VPN, and network monitoring tools
• Understanding of essential network services such as DNS, SMTP, NTP, IMAP, and SNMP

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.

Skills

Network administration

Security/compliance

TCP/IP networking

Education

High School Diploma or GED

8570 IAT Level II Certification

CND Infrastructure Support certification

Tools

Palo Alto Firewalls

Cisco Firewalls

TCPDump

Wireshark

DNS

VPN

Job description

Core4ce

Network Administrator

1466-383

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 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 90 days
• 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 warfighting 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? 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. *

Core4ce provides the listed pay range for this position as a general guideline only and not as a guarantee of compensation or salary. Final offers may take into account a variety of factors, including, but not limited to, job responsibilities, education, experience, knowledge, skills, abilities, internal equity, market data alignment, any applicable collective bargaining agreement, and other legal requirements.

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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