Senior Site Reliability Engineer, Database Operations:Clickhouse

Requirements:

• Advanced database platform management experience, preferably using Postgres and Clickhouse at scale
• Advanced Cloud Infrastructure automation and management, preferably using Ansible, Chef, Terraform, Helm charts, Operators and Kubernetes
• Solid experience with at least one programming language: Go, Ruby or Python
• Advanced experience with Linux
• Extensive on-call experience as an SRE supporting mission-critical systems
• Solid incident management experience, across all phases: Analysis, Remediation, RCA and Corrective Actions
• Solid experience implementing monitoring at scale (preferably Prometheus and Grafana)

What You'll Be Doing:

• Design, build, and maintain ClickHouse and PostgreSQL clusters to support high-demand, enterprise-scale workloads
• Provision and Orchestrate cloud infrastructure using configuration management tools (Ansible, Chef), IaC (Terraform) and the Kubernetes ecosystem (Helm charts, Operators) and distributed consensus (etcd) in GCP
• Design and implement enterprise-grade, high-availability ClickHouse solutions with ClickHouse Keeper, sharding, and replication, optimized for large-scale and dynamic datasets
• Optimize and scale high-transaction PostgreSQL clusters with Patroni and streaming replication for GitLab’s core applications on GCP
• Build and maintain early warning systems, monitoring, and alerting tools (e.g., Prometheus/Grafana) to predict capacity needs, monitor query latency and replication lag, and ensure resource optimization across platforms
• Enable cross-database integrations and workflows, such as ClickHouse-to-PostgreSQL data federation, CDC, and logical replication, to support hybrid analytics
• Respond to platform alerts, user emergencies, and support requests while ensuring strict adherence to SLOs, including during SRE on-call rotations
• Enhance infrastructure security by implementing and updating measures that protect GitLab’s systems and ensure compliance with regulatory requirements (e.g., GDPR, FedRAMP, SOC2, ISO)
• Partner with internal and external compliance assessors as Subject Matter Experts during certifications and recertifications
• Collaborate with engineering teams to address architectural bottlenecks, plan service rollouts and migrations, and shape the future roadmap while maintaining strong operational readiness

Nice to Haves:

• Willingness and ability to live and promote Gitlab's unique CREDIT Values in one's day to day work and interactions with teammates
• Superior verbal and written communication skills
• Cool, collected and composed under pressure
• Comfortable and productive working asynchronously across time zones and cultures, at the speed and scale of business
• Enable others to excel
• Be a Leader of One
• Act Like an Owner with Gitlab's resources

Perks and Benefits:

• Benefits to support your health, finances, and well-being
• All remote, asynchronous work environment
• Flexible Paid Time Off
• Team Member Resource Groups
• Equity Compensation & Employee Stock Purchase Plan
• Growth and development budget
• Parental leave
• Home office support