Senior Network Administrator

San Marcos, TX Texas State University Senior Network Administrator Posting Number:

2026534

Location:

San Marcos Department:

Network Operations Recruitment Type:

Open Recruiting Job Type:

Full-Time Monthly Salary:

commensurate with experience

Job Category:

Exempt Required Qualifications:

Five years of professional experience in network administration, network engineering, or closely related enterprise network infrastructure work. Professional experience administering enterprise routing and switching infrastructure in a production environment. Professional experience with dynamic routing protocols, such as BGP, OSPF, IS-IS, or EIGRP. Professional experience supporting enterprise wireless networking technologies. Professional experience supporting network security technologies, such as firewalls, IPS/IDS, network access control, Cisco ISE, segmentation, or related security platforms.

Preferred Qualifications:

Experience supporting data center network infrastructure. Experience with network fabric technologies, such as EVPN/VXLAN, Cisco SDA, ACI, virtualized routing, or comparable fabric-based architectures. Experience supporting MPLS, VRF, SD-WAN, or complex WAN routing environments. Experience with Cisco ISE, NAC, 802.1X, device profiling, guest access, posture, or network segmentation. Experience with network automation using Python, Ansible, APIs, Git, configuration management systems, or similar tools. Experience working in higher education, government, large enterprise, healthcare, or another complex multi-site environment. Current or prior network-related certifications, such as CCNP, CCIE, JNCIP, CWNP, Aruba, Ruckus, Fortinet, Palo Alto, or comparable credentials.

Job Description:

Texas State University is hiring a Sr. Network Administrator to help design, operate, secure, and modernize the university's multi-campus network infrastructure. This is a senior technical role responsible for supporting enterprise wired, wireless, data center, security, and wide-area network services used across the university.

The position works with a broad range of network technologies, including routing and switching, network fabrics, data center networks, wireless infrastructure, SD-WAN, network security platforms, Cisco ISE, monitoring systems, and automation tools. The successful candidate will be expected to provide technical leadership, solve complex problems, contribute to network architecture decisions, and help deliver infrastructure projects from planning through implementation. About the Job Texas State University operates a large, heterogeneous network environment supporting academic, administrative, residential, research, and campus life services. The network includes equipment and platforms from multiple manufacturers, including Cisco, Juniper, HP/Aruba, and Ruckus Wireless. The team emphasizes reliable service delivery, standards-based design, operational consistency, security, documentation, and continuous improvement.

This role will have meaningful technical ownership in the operation and evolution of the campus network. Responsibilities include both hands-on administration and higher-level engineering work, such as developing standards, improving network reliability, leading technical projects, mentoring other staff, and coordinating with vendors and campus stakeholders.

Job Duties:

Design, administer, maintain, and troubleshoot enterprise network infrastructure, including campus routing and switching, wireless, data center networks, network fabrics, WAN/SD-WAN, and related services. Support network security and access control platforms, including Cisco ISE, network segmentation, authentication/authorization policies, and related security integrations. Diagnose and resolve complex network incidents affecting wired, wireless, data center, WAN, and security services. Lead and support network infrastructure projects from planning through implementation, including design, change coordination, testing, documentation, and operational handoff. Develop and maintain network standards, diagrams, procedures, configuration templates, and operational documentation. Monitor network performance, availability, capacity, and reliability; identify trends and recommend improvements. Automate network operations using scripting, APIs, configuration management tools, monitoring platforms, and AI-assisted workflows where appropriate. Provide technical leadership, mentorship, and vendor coordination; participate in a shared after-hours on-call rotation, currently one week every six weeks. Additional Information to

Applicants:

Limited hybrid work may be available after onboarding, typically up to one day per week, subject to operational needs and supervisor approval.

Job Open Date:

05/18/2026

Job Close Date:

Open Until Filled:

Yes Normal Work Days:

Monday, Tuesday, Wednesday, Thursday, Friday Normal Work Hours Start:

8:00

AM Normal Work Hours End:

5:00

PM Posting Notices:

Legal and Required Notices:

Texas State University is committed to a policy of non-discrimination and equal opportunity for all persons regardless of race, sex, color, religion, national origin or ancestry, age, marital status, disability, veteran status, or any other basis protected by federal or state law in employment, educational programs, and activities and admissions. Employment with Texas State University is contingent upon the outcome of record checks and verifications including, but not limited to, criminal history, driving records, education records, employment verifications, reference checks, and employment eligibility verifications. In accordance with federal law, all new employees must complete the Form I-9 and provide acceptable documentation verifying their identity and authorization to work in the United States. Texas State University participates in E-Verify, and employment is contingent upon the successful verification of work authorization. Employees are required to maintain valid work authorization to satisfy the conditions of Form I9 at all times during their employment and the university makes no implicit or explicit promises to financially support visa or permanent residency applications.

Quicklink:

https://jobs.hr.txstate.edu/postings/56968 For a detailed description of this position and to apply, visit https://jobs.hr.txstate.edu/postings/56968 or call (512) 245-2557 or visit our office at 601 University Dr., J.C. Kellam Bldg., Suite 340.

About Texas State and San Marcos:

Texas State University is a emerging research institution located in the burgeoning Austin-San Antonio corridor and in the beautiful Texas Hill Country. It is the largest of eight campuses in the Texas State University System and one of the 75 largest universities in the country, with over 38,000 students and approximately 4,000 faculty and staff Texas State is located in San Marcos, a growing community of over 50,000 people located about half way between Austin and San Antonio. Texas State enjoys a setting that is unique among Texas universities. The beauty of the crystal-clear San Marcos River and the stately cypress and pecan trees on the campus add to the charm of the university's picturesque setting. Our location on the banks of the San Marcos River provides outdoor recreational activities throughout the year. Why work @ Texas State?

• Amazing health insurance: various coverage options starting your first day of employment for full-time employees with Texas State paying 100% of the employee premium and 50% for your dependents!
• Generous paid time off: vacation, holidays, sick days and many more!
• Excellent work life balance resources: mother and family-friendly resources in addition to a comprehensive FREE wellness program
• Great professional development opportunities: choose from a variety of workshops, training, online learning and even access educational leave opportunities and reimbursement for academic courses
• An inclusive Bobcat community: join our many social networks offered on and off-campus
• Retirement peace of mind: TRS pension, retirement plans and voluntary saving options with generous employer contributions By joining the Texas State Bobcat team, you'll be a part of one of the most beautiful, diverse, and growing universities in the nation.

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