Senior Site Reliability Engineer

StraitsX; Kebayoran Baru; On-site; IDR 600,000,000 - 1,000,000,000; Full time

Job summary

StraitsX is seeking an experienced Site Reliability Engineer to own reliability, performance, and cost outcomes across cloud and on-prem environments. You will design Kubernetes strategies, manage CI/CD pipelines, and lead infrastructure initiatives, mentoring peers and ensuring robust incident response.

The role emphasizes tradeoff decisions, cross-team collaboration with development, security, and product teams, and a strong focus on automation and documentation.

Qualifications

• At least 4 years of experience in SRE, DevOps, MLOps, or platform engineering with senior-level scope.

Responsibilities

• Own availability, performance, scalability, and security of production systems end-to-end across cloud (AWS/GCP) and on-prem environments.
• Design and evolve Kubernetes deployment strategy for production workloads.
• Own CI/CD and GitOps pipelines in production (ArgoCD or equivalent) and Terraform that provisions the infrastructure behind them.
• Diagnose and resolve database performance issues.
• Build and maintain observability that surfaces problems before incidents occur.
• Lead medium-to-large infrastructure initiatives with clear requirements and business impact.
• Negotiate technical tradeoffs to meet business SLAs.
• Provide technical guidance and mentorship to peers and juniors; promote best practices.
• Maintain documentation and process discipline for the systems and incidents you own.
• Lead structured incident investigations with metrics-first approach, including on-call during high-traffic events.

Skills

AWS

Kubernetes

Linux fundamentals

CI/CD

GitOps

Terraform

MySQL/Postgres

Observability tooling

Datadog/OpenTelemetry

English communication

On-call incident handling

Stakeholder negotiation

Growth mindset

Job description

The Site Reliability Engineering (SRE) team architects, builds, and maintains the rock-solid infrastructure that applications rely on. At the Senior Level, you own reliability, performance, and cost outcomes for the systems under your area end-to-end, not just executing well-defined tasks, but deciding between tradeoffs, scoping ambiguous problems, and driving process and system improvements that span teams. You'll work closely with development, security, and product teams, and mentor other engineers as a technical point of reference for the team.

What You Will Do

• Own the availability, performance, scalability, and security of production systems end-to-end, across cloud (AWS/GCP) and on-premises environments.
• Design and evolve Kubernetes deployment strategy for production workloads.
• Own CI/CD and GitOps pipelines in production (ArgoCD or equivalent) and the Terraform that provisions the infrastructure behind them.
• Diagnose and resolve database performance issues.
• Build and maintain observability that surfaces problems before they become incidents.
• Seek out and implement process and system improvements affecting performance and security, coordinating with multiple stakeholders.
• Scope and lead medium-to-large infrastructure initiatives: gather requirements, prioritize by business impact, and communicate impact to stakeholders.
• Negotiate technical tradeoffs with stakeholders to meet business SLAs.
• Provide technical guidance and mentorship to peers and junior engineers; promote best practices and standards across the team.
• Maintain documentation and process discipline for the systems and incidents you own.
• Lead structured incident investigation, isolating server, database, and application layers with a metrics-first approach, including on-call during high-traffic events.

What Are We Looking For

• At least 4 years of experience in either SRE, DevOps, MLOps, or platform engineering, including senior-level scope at a high-traffic company.
• Deep expertise in one major cloud provider (preferably AWS), with a proven ability to ramp up on the other quickly.Production experience & expertise withKubernetes &Linux fundamentals
• CI/CD & GitOps (ArgoCD or other equivalent stacks)
• Database performance analysis & monitoring (MySQL, Postgres)
• Observability tooling & standards (Datadog, OpenTelemetry)
• Infrastructure as Code (Terraform)
• Strong working English, verbal & written communication. Strong documentation and process discipline.
• On-call & incident handling experience during high-traffic events.
• Comfortable negotiating with stakeholders to propose technical compromises that meet business SLAs.
• Demonstrated growth mindset and proven ability to own ambiguous scope.