Network Administrator in San Antonio, Texas at Core4ce

Core4ce

Network Administrator
1246-383

The Network Administrator supports secure network operations in a mission-focused environment. This role is responsible for the daily administration of network devices to maintain operational stability, security, and connectivity. The position includes monitoring network performance, applying routine updates, assisting with troubleshooting, and maintaining documentation to support ongoing operations and end-user needs.

Key Responsibilities

• Monitor network devices daily to verify performance, availability, and operational status.
• Apply routine updates, patches, and configuration changes to support compliance and system stability.
• Assist with the configuration of routers, switches, and firewalls.
• Troubleshoot common connectivity issues and escalate more complex incidents as appropriate.
• Maintain accurate network documentation, including configuration records and change logs.
• Monitor security alerts and support enforcement of network access and security policies.

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

Required Qualifications

• Bachelor’s degree with 2 years of experience, Master’s degree with 0 years of experience, or 6 years of related experience in lieu of a degree.
• U.S. Citizenship required.
• Current active Top Secret clearance with SCI eligibility/access required.
• Must meet DoD 8140/DCWF Work Role 441 requirements, including approved baseline certification and applicable knowledge, skills, and abilities related to network monitoring, fault isolation, and performance optimization.
• Experience supporting network device operations in a production environment.
• Familiarity with networking fundamentals, including TCP/IP, VLANs, and routing concepts.
• Ability to apply configuration changes, patches, and updates in a controlled environment.
• Basic troubleshooting skills for diagnosing and resolving connectivity issues.

Preferred Qualifications

• Experience with enterprise networking equipment such as Cisco or Juniper.
• Basic knowledge of IPv6 addressing and migration planning.
• Understanding of wireless networking configuration and troubleshooting.
• Experience supporting hybrid cloud or virtualized network environments.

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.

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.