Network Administrator

Posted 2 Hours Ago
Be an Early Applicant
2 Locations
In-Office or Remote
Senior level
Financial Services
The Role
Manage and maintain complex global network infrastructure, including F5 BIG-IP, Cisco, and HPE Aruba platforms. Investigate and resolve network outages, performance issues, and security incidents; perform upgrades, configuration changes, monitoring, and on-call support. Lead automation initiatives using Python and Ansible, maintain technical documentation, and collaborate with systems, security, and application teams. The role requires 5–7 years of experience and professional vendor certifications are preferred.
Summary Generated by Built In

We are seeking a highly skilled and motivated Network Administrator to join our dynamic team. The ideal candidate will possess exceptional problem-solving abilities and a strong background working in complex network infrastructures. This role is crucial for ensuring the stability, performance, and security of our enterprise network. The successful candidate will be a key contributor to our operations team, handling escalations, leading incident response, and driving continuous improvement.

Responsibilities: 

  • Incident and Problem Management: Investigation and resolution of complex network problems, including performance degradation, outages, and security incidents.
  • Network Operations & Maintenance: Proactively monitor, maintain, and troubleshoot our global network infrastructure. Perform routine maintenance, software upgrades, and configuration changes on network devices to ensure optimal performance and reliability.
  • Technical Expertise:
    • F5 BIG-IP: Configure and manage F5 BIG-IP platforms, including LTM (Local Traffic Manager), GTM (Global Traffic Manager), and ASM (Application Security Manager). Experience with iRules and iApps development is highly desirable.
    • Cisco Route/Switch: Hands-on experience with Cisco IOS, IOS-XE, and NX-OS. Understanding of routing protocols (BGP, OSPF, EIGRP), switching technologies (VLANs, STP, VTP), and network security features (ACLs, NAT).
    • HPE Aruba: Configure, deploy, and manage HPE Aruba wireless and switching solutions. Experience with Aruba Mobility Controllers, AirWave, and ClearPass Policy Manager is essential.
  • Automation & Scripting: Drive network automation efforts using scripting languages (e.g., Python, Ansible) to streamline operational tasks and improve efficiency.
  • Documentation: Create and maintain comprehensive network documentation, including diagrams, runbooks, and standard operating procedures (SOPs).
  • Collaboration: Work closely with cross-functional teams, including systems, security, and application development, to support business initiatives and resolve inter-departmental issues.
  • On-Call Support: Participate in an on-call rotation to provide 24/7 support for critical network issues.

Qualifications: 

  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
  • Minimum of 5-7 years of experience, with at least 2-3 years in an operations role.
  • Certifications: Professional-level certifications from vendors such as Cisco (e.g., CCNP Enterprise, CCNP Data Center), F5 (e.g., F5-CA), or HPE Aruba (e.g., ACSA, ACDA) are highly preferred.
  • Problem-Solving Skills: Proven track record of strong analytical and problem-solving skills with the ability to quickly diagnose and resolve complex network issues under pressure.
  • Communication: Excellent verbal and written communication skills with the ability to explain complex technical concepts to both technical and non-technical audiences.
  • Teamwork: Ability to work independently and as part of a team in a fast-paced, collaborative environment.

Skills Required

  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
  • 5–7 years of professional experience
  • 2–3 years of experience in an operations role
  • Strong analytical and problem-solving skills for diagnosing complex network issues
  • Excellent verbal and written communication skills
  • Ability to work independently and collaboratively in a fast-paced environment
  • Professional-level Cisco, F5, or HPE Aruba certifications, such as CCNP Enterprise, CCNP Data Center, F5-CA, ACSA, or ACDA
  • Experience managing F5 BIG-IP platforms, including LTM, GTM, and ASM
  • Hands-on experience with Cisco IOS, IOS-XE, NX-OS, routing protocols, switching technologies, and network security features
  • Experience configuring and managing HPE Aruba wireless and switching solutions, including Aruba Mobility Controllers, AirWave, and ClearPass Policy Manager
  • Experience with Python or Ansible for network automation

First Horizon Bank Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about First Horizon Bank and has not been reviewed or approved by First Horizon Bank.

  • Retirement Support Retirement offerings include a 401(k) plan with company matching contributions up to 6% of pre-tax income, alongside FSA/HSA options and a defined benefit pension plan. Stock purchase and equity programs (including options and RSUs) also add to longer-term wealth-building opportunities for eligible employees.
  • Parental & Family Support Parental leave is available for childbirth, adoption, foster parenting, or surrogacy, and adoption reimbursement is included in the package. These family-building benefits broaden support beyond traditional maternity/paternity leave structures.
  • Wellbeing & Lifestyle Benefits Wellbeing support includes an internal wellness program, an employee assistance program, and access to a digital wellness platform. Group life insurance and disability coverage (including no-cost options) strengthen financial protection and day-to-day support.

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The Company
HQ: Memphis, TN
6,494 Employees
Year Founded: 1864

What We Do

When we opened our doors in 1864 on North Court Street in Memphis, we had a simple mission: to provide the best service to our customers, one opportunity at a time. In the 150 years that followed, our communities transformed and expanded. We’ve seen our business and banking in general grow and adapt to the changing needs of customers through the years. But one thing that will always remain constant is our commitment to financial integrity and to helping our customers take good care of their money.

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