Senior DevOps Engineer

- Design, maintain, optimize, and troubleshoot CI/CD pipelines, primarily using Jenkins.

- Administer Jenkins controllers, agents, jobs, plugins, credentials, and build environments.

- Diagnose and resolve complex pipeline failures across application, infrastructure, networking, and operating-system layers.

- Manage and support Linux-based on-premises infrastructure, including physical servers and virtual machines.

- Perform Linux system administration, including performance tuning, package management, storage and filesystem management, process monitoring, and service administration.

- Troubleshoot infrastructure and connectivity issues involving networking fundamentals, DNS, ports, firewalls, and related services.

- Develop automation scripts and operational tools using Python and/or Bash.

- Automate repetitive deployment, configuration, infrastructure management, and maintenance activities.

- Monitor infrastructure health and build environments to ensure availability, stability, and performance.

- Participate in incident management, root-cause analysis, and production support, driving issues through to resolution.

- Collaborate with development, QA, infrastructure, and security teams to improve release processes and operational efficiency.

- Establish and maintain technical documentation, operational procedures, troubleshooting guides, and runbooks.

- Recommend improvements to CI/CD architecture, infrastructure reliability, automation, and operational practices.

- Provide technical guidance and support to team members on DevOps operations and infrastructure troubleshooting.