Senior Unix & DevOps Engineer – Enterprise Systems

First Horizon Bank; Memphis (TN); On-site; USD 120,000 - 160,000; Full time

Job summary

First Horizon Bank seeks a senior engineer to support and evolve critical enterprise applications on Unix-based platforms. You will own configuration, CI/CD, automation, incident management, performance tuning, and production support across the SDLC.

You will lead incident response, enhance observability, and collaborate with multiple teams to deliver scalable, secure services. Strong automation, scripting, and Linux proficiency are required.

Qualifications

• Bachelor’s degree in Computer Science, MIS, or related field—or equivalent experience.

Responsibilities

• Own platform reliability for critical applications on RHEL, targeting 99.9%+ availability.
• Build and maintain CI/CD pipelines and release automation (e.g., Jenkins, GitLab CI/CD).
• Automate deployment, configuration, and operational tasks using Bash, Python, and Ansible.
• Lead incident response: triage, root cause analysis, remediation, and post-incident learning; reduce MTTR and change failure rate.
• Implement and enhance observability using Splunk/Dynatrace; create dashboards and alerts.
• Perform performance engineering: capacity planning, tuning, throughput optimization.
• Manage security posture: vulnerability remediation, patching, certificate and key management.
• Partner with analysts, QA, developers, and release managers to deliver changes through the SDLC.

Skills

Ownership

Cross-team collaboration

Troubleshooting

Independent problem solving

Education

Bachelor's degree in Computer Science, MIS, or related

Tools

Jenkins

GitLab CI/CD

Bash

Python

Ansible

Oracle

PostgreSQL

SQL Server

Kafka

RabbitMQ

Splunk

Dynatrace

Job description

First Horizon Bank seeks a senior engineer to support and evolve critical enterprise applications on Unix-based platforms. You will own configuration, CI/CD, automation, incident management, performance tuning, and production support across the SDLC.

You will lead incident response, enhance observability, and collaborate with multiple teams to deliver scalable, secure services. Strong automation, scripting, and Linux proficiency are required.