GitLab System Administrator

• Experience setting up or migrating GitLab to AWS cloud environments and/or Kubernetes (Helm chart deployments, EKS/ECS orchestration)

Roles & Responsibilities

• Administer and maintain GitLab across multiple environments

• Perform structured version upgrades across all environments following change management procedures

• Manage platform infrastructure

• Maintain and extend Ansible playbooks and Terraform configurations (infrastructure-as-code)

• Setu and Manage AWS Geo DR site

• Administer GitLab Runners (shared Linux runners, EKS runners) and CI/CD infrastructure

• Support cloud-native GitLab deployments including Kubernetes-based installations using Helm charts and container orchestration on EKS

• Monitor platform health using Splunk, Grafana, and ServiceNow alerting and responding to incidents

• Handle user support requests via Mattermost and ServiceNow escalations

• Manage SSL/TLS certificates, Kerberos Keytabs, and service accounts

• Remediate vulnerabilities and manage Corrective Action Plans (CAPs) within required timelines

• Participate in SAFe Program Increments and sprint ceremonies

• Document procedures, runbooks, and architecture changes in team wiki

• Coordinate with Network, Security, Database, and M365 teams for cross-functional work

Generic Managerial Skills, If any

• Coordinate with team across multiple towers

• Linux system administration

• GitLab Enterprise Edition administration (Omnibus installs, upgrades, configuration)

• PostgreSQL database administration (backups, replication, tuning)

• Ansible configuration management (writing/maintaining playbooks and roles)

• HAProxy or F5 load balancer configuration (SSL termination, backend pools, health checks)

• TLS/SSL certificate management (full CA chain, renewals, troubleshooting)

• Shell scripting (Bash) for automation and troubleshooting

• Monitoring and log analysis (Splunk, Grafana, Prometheus, or similar)

• Strong working knowledge of Git workflows, branching, and merge requests

• Networking fundamentals (DNS, firewalls, TCP/IP, port management)

• CI/CD concepts, GitLab Runners, pipelines, shared runner infrastructure

• Terraform (AWS infrastructure provisioning, state management), * Ability to effectively communicate with Product Managers, Architects and other Stakeholders.

• Strong analytical and problem-solving skills.

• Ability to work independently and as part of a team.

• Prioritization and time management across multiple concurrent tasks (compliance deadlines, upgrades, support)

• Mentoring and knowledge transfer to junior team members