IT Network Engineer

First Horizon National Corporation

Memphis, TN

Full-Time

IT Network Engineer

First Horizon National Corporation

Memphis, TN

Full-Time

Nov 15, 2025

Information Technology

Job Description

Position not eligible for sponsorship.

Location: Onsite in Memphis, TN; Maryville, TN; Birmingham, AL; Lafayette, LA; New Orleans, LA; Charlotte, or NC; Raleigh, NC., Dallas, TX

We are seeking a highly skilled and motivated Senior Network Operations Engineer to join our dynamic team. The ideal candidate will possess exceptional problem-solving abilities and a strong background in managing 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:Serve as a senior escalation point for all network-related issues. Lead the 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.

Architectural & Design Input:Collaborate with the network architecture team to provide operational feedback and contribute to the design and implementation of new network solutions.

Technical Expertise:

F5 BIG-IP:Design, 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:Extensive hands-on experience with Cisco IOS, IOS-XE, and NX-OS. Deep 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 as a Network Engineer, with at least 2-3 years in a senior 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.

About Us
First Horizon Corporation is a leading regional financial services company, dedicated to helping our clients, communities and associates unlock their full potential with capital and counsel. Headquartered in Memphis, TN, the banking subsidiary First Horizon Bank operates in 12 states across the southern U.S. The Company and its subsidiaries offer commercial, private banking, consumer, small business, wealth and trust management, retail brokerage, capital markets, fixed income, and mortgage banking services. First Horizon has been recognized as one of the nation's best employers by Fortune and Forbes magazines and a Top 10 Most Reputable U.S. Bank. More information is available atwww.FirstHorizon.com.

Benefit Highlights
• Medical with wellness incentives, dental, and vision
• HSA with company match
• Maternity and parental leave
• Tuition reimbursement
• Mentor program
• 401(k) with 6% match
• More -- FirstHorizon.com/First-Horizon-National-Corporation/Careers/Our-Benefits

Follow Us
Facebook
X formerly Twitter
LinkedIn
Instagram
YouTube
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

Position not eligible for sponsorship.

Location: Onsite in Memphis, TN; Maryville, TN; Birmingham, AL; Lafayette, LA; New Orleans, LA; Charlotte, or NC; Raleigh, NC., Dallas, TX

We are seeking a highly skilled and motivated Senior Network Operations Engineer to join our dynamic team. The ideal candidate will possess exceptional problem-solving abilities and a strong background in managing 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:Serve as a senior escalation point for all network-related issues. Lead the 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.

Architectural & Design Input:Collaborate with the network architecture team to provide operational feedback and contribute to the design and implementation of new network solutions.

Technical Expertise:

F5 BIG-IP:Design, 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:Extensive hands-on experience with Cisco IOS, IOS-XE, and NX-OS. Deep 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 as a Network Engineer, with at least 2-3 years in a senior 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.

About Us
First Horizon Corporation is a leading regional financial services company, dedicated to helping our clients, communities and associates unlock their full potential with capital and counsel. Headquartered in Memphis, TN, the banking subsidiary First Horizon Bank operates in 12 states across the southern U.S. The Company and its subsidiaries offer commercial, private banking, consumer, small business, wealth and trust management, retail brokerage, capital markets, fixed income, and mortgage banking services. First Horizon has been recognized as one of the nation's best employers by Fortune and Forbes magazines and a Top 10 Most Reputable U.S. Bank. More information is available atwww.FirstHorizon.com.

Benefit Highlights
• Medical with wellness incentives, dental, and vision
• HSA with company match
• Maternity and parental leave
• Tuition reimbursement
• Mentor program
• 401(k) with 6% match
• More -- FirstHorizon.com/First-Horizon-National-Corporation/Careers/Our-Benefits

Follow Us
Facebook
X formerly Twitter
LinkedIn
Instagram
YouTube
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

About First Horizon National Corporation

First Horizon is a leading regional financial services company, dedicated to helping our clients, communities and associates unlock their full potential with capital and counsel. With $81.7 billion in assets as of December 31, 2023, we serve clients through a team of approximately ~7,300 associates and ~418 banking centers throughout the southeastern United States. Headquartered in Memphis, TN, the banking subsidiary First Horizon Bank operates in 12 states across the southern U.S. First Horizon has been recognized as one of the nation’s best employers by Fortune and Forbes magazines and a Top 10 Most Reputable U.S. Bank.

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IT Network Engineer

First Horizon National Corporation

Memphis, TN

Nov 15, 2025

Full-time

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