Senior DevOps & Platform Reliability Engineer

First Horizon Corp.; Memphis, Northern (TN, KY); Hybrid; USD 120,000 - 160,000; Full time

Job summary

First Horizon Corp. is seeking an experienced platform reliability engineer to own critical applications on RHEL, ensuring 99.9%+ availability. You will build and maintain CI/CD pipelines, automate deployments with Bash/Python/Ansible, and lead incident response to reduce MTTR.

You will enhance observability with Splunk/ELK and dashboards, optimize performance, and strengthen security posture. Collaboration with analysts, QA, and release managers is essential for delivering changes through the

Qualifications

• 8+ years supporting high-availability Unix/Linux in production (RHEL, AIX, or Solaris).
• Proficiency with CI/CD tooling (Jenkins, GitLab CI/CD) and Git-based workflows.
• Strong scripting/automation (Bash, Python) and hands-on Ansible (or Puppet/Chef).
• Experience with relational databases (Oracle, PostgreSQL, SQL Server).
• Experience with message brokers (IBM MQ; Kafka/RabbitMQ a plus).
• Solid understanding of networking fundamentals, DNS, load balancing, TLS/PKI, and certificates.
• Observability tooling experience (Splunk/ELK, Prometheus/Grafana, AppDynamics/Dynatrace) with alerting/dashboards.
• Production support experience, including on-call and incident management.

Responsibilities

• Own platform reliability for critical applications on RHEL, 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.
• Implement and enhance observability with dashboards and alerts.
• Perform performance engineering: capacity planning, tuning, and throughput optimization.
• Manage security posture: vulnerability remediation and hardening standards.
• Partner with analysts, QA, developers, and release managers to deliver changes through the SDLC.
• Review designs for scalability and risk controls.
• Create runbooks and mentor juniors; lead technical design sessions.
• Participate in on-call rotation and change/release management (CAB).
• Support vendor integrations and upgrades.
• Contribute to disaster recovery planning and validation.

Skills

Ownership mindset

Cross-team collaboration

Advanced troubleshooting

Independent problem solving

Technical design leadership

Education

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

Tools

Jenkins

GitLab CI/CD

Git workflows

Ansible

Puppet/Chef

Oracle

PostgreSQL

SQL Server

IBM MQ

Kafka

Job description

First Horizon Corp. is seeking an experienced platform reliability engineer to own critical applications on RHEL, ensuring 99.9%+ availability. You will build and maintain CI/CD pipelines, automate deployments with Bash/Python/Ansible, and lead incident response to reduce MTTR.

You will enhance observability with Splunk/ELK and dashboards, optimize performance, and strengthen security posture. Collaboration with analysts, QA, and release managers is essential for delivering changes through the