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Senior GitLab System Administrator

Square Hiring

 

Seattle, WA, USA

Posted On: 2 days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: System Administrator
Tenure: Contract - Corp-to-Corp
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Description

Administer and maintain GitLab Enterprise Edition across multiple environments, managing platform infrastructure, CI/CD pipelines, and cloud-native deployments.

This role is on-site.

Responsibilities

  • Administer GitLab EE, performing structured version upgrades and managing Omnibus installations.
  • Manage and extend Ansible playbooks and Terraform configurations for infrastructure-as-code.
  • Setup and manage AWS Geo DR sites, EKS runners, and Kubernetes-based deployments using Helm charts.
  • Monitor platform health using Splunk, Grafana, and Prometheus; respond to incidents and manage ServiceNow escalations.
  • Remediate vulnerabilities, manage Corrective Action Plans (CAPs), and handle SSL/TLS certificate renewals.

Required Skills

  • 5+ years of Linux system administration and GitLab Enterprise Edition administration.
  • Strong experience with Ansible (playbooks/roles) and Terraform (AWS provisioning/state management).
  • Proficiency in PostgreSQL administration, including backups, replication, and tuning.
  • Hands-on experience with Kubernetes, EKS, and Helm chart deployments.
  • Knowledge of CI/CD concepts, GitLab Runners, and pipeline architecture.
  • Ability to write Bash scripts for automation and troubleshooting.
  • Familiarity with HAProxy or F5 load balancer configuration and TLS/SSL management.
  • Understanding of networking fundamentals (DNS, firewalls, TCP/IP) and Git workflows.
  • Experience monitoring logs with Splunk, Grafana, or similar tools.

Preferred Skills

  • Experience participating in SAFe Program Increments and sprint ceremonies.
  • Knowledge of Kerberos Keytabs, service accounts, and M365 integration.

Education

Bachelor's degree

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