Senior Site Reliability Engineer

We are seeking a Senior Linux Production Support Engineer to support and enhance mission-critical enterprise applications running on Unix/Linux platforms. This role is ideal for someone who enjoys solving complex production issues, automating operational processes, improving platform reliability, and collaborating with cross-functional teams in a fast-paced environment., * Support and maintain high-availability Linux/Unix production environments.

• Build, maintain, and improve CI/CD pipelines using Jenkins or GitLab CI/CD.
• Automate deployment, configuration, and operational tasks using Bash, Python, and Ansible.
• Monitor application health and troubleshoot production issues to ensure platform stability.
• Perform incident triage, root cause analysis (RCA), and implement long-term solutions.
• Optimize system performance, capacity, and application reliability.
• Manage application releases, deployments, rollbacks, and change management activities.
• Work closely with development, QA, business, and infrastructure teams throughout the SDLC.
• Implement monitoring dashboards, alerts, and observability using tools such as Splunk or Dynatrace.
• Support messaging platforms including IBM MQ or similar middleware technologies.
• Create and maintain technical documentation, operational runbooks, and support procedures.
• Participate in production support and scheduled maintenance activities as needed.

• 8+ years of experience supporting enterprise Linux or Unix production environments.
• Strong experience with Red Hat Enterprise Linux (RHEL), Unix, AIX, or Solaris.
• Hands-on experience with CI/CD tools such as Jenkins or GitLab CI/CD.
• Strong scripting skills using Bash and Python.
• Experience with configuration management tools such as Ansible (or Puppet/Chef).
• Experience working with relational databases including Oracle, PostgreSQL, or SQL Server.
• Experience supporting message-oriented middleware such as IBM MQ (Kafka or RabbitMQ is a plus).
• Knowledge of networking fundamentals including DNS, load balancing, SSL/TLS, and certificates.
• Experience with monitoring and observability tools such as Splunk, Dynatrace, ELK, Prometheus, Grafana, or AppDynamics.
• Strong production support experience, including incident management, root cause analysis, and performance tuning.
• Excellent troubleshooting, communication, and collaboration skills.

Preferred Qualifications

• Experience supporting Core Payments or enterprise financial applications.
• Experience working in banking or financial services environments.
• Knowledge of ITIL processes, change management, and release management.
• Experience with disaster recovery, high availability, and resiliency planning.