Senior GitLab System Administrator

Senior GitLab System AdministratorLocation: Seattle, WA / Saint Louis, MO / Dallas, TXFull TimeJob DescriptionMust Have Technical/Functional SkillsLinux system administrationGitLab 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 troubleshootingMonitoring and log analysis (Splunk, Grafana, Prometheus, or similar)Strong working knowledge of Git workflows, branching, and merge requestsNetworking fundamentals (DNS, firewalls, TCP/IP, port management)CI/CD concepts, GitLab Runners, pipelines, shared runner infrastructureTerraform (AWS infrastructure provisioning, state management)Experience setting up or migrating GitLab to AWS cloud environments and/or Kubernetes (Helm chart deployments, EKS/ECS orchestration)Roles & ResponsibilitiesAdminister and maintain GitLab across multiple environmentsPerform structured version upgrades across all environments following change management proceduresManage platform infrastructureMaintain and extend Ansible playbooks and Terraform configurations (infrastructure-as-code)Setu and Manage AWS Geo DR siteAdminister GitLab Runners (shared Linux runners, EKS runners) and CI/CD infrastructureSupport cloud-native GitLab deployments including Kubernetes-based installations using Helm charts and container orchestration on EKSMonitor platform health using Splunk, Grafana, and ServiceNow alerting and responding to incidentsHandle user support requests via Mattermost and ServiceNow escalationsManage SSL/TLS certificates, Kerberos Keytabs, and service accountsRemediate vulnerabilities and manage Corrective Action Plans (CAPs) within required timelinesParticipate in SAFe Program Increments and sprint ceremoniesDocument procedures, runbooks, and architecture changes in team wikiCoordinate with Network, Security, Database, and M365 teams for cross-functional workGeneric Managerial Skills, If anyCoordinate with team across multiple towersAbility 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.