Senior GitLab System Administrator(95801-1)

Role: Senior GitLab System Administator

Seattle 98057 is highly preferred Open to 100% on-site: ,Dallas/ Plano 75024 & Saint Louis MO

Must Have Technical/Functional Skills

· 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)

· 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:

· Coordinate with team across multiple towers

· 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