Senior Site Reliability Engineer

TL;DR

Senior Site Reliability Engineer: Leading the design of scalable, fault-tolerant, and self-healing systems in a multi-region AWS environment with an accent on defining SLOs/SLIs and implementing long-term preventive measures. Focus on developing internal automation tools, deep observability, and proactively mitigating operational risks through chaos engineering.

Location: Remote (global, work-from-anywhere stipend)

Company

hirify.global is the world’s first eSIM store that helps people connect in over 200+ countries and regions across the globe, aiming to revolutionize the telecom industry.

What you will do

• Lead the design of scalable, fault-tolerant, and self-healing systems in a multi-region AWS environment.
• Define and track Service Level Objectives (SLOs) and Service Level Indicators (SLIs) to drive architectural decisions and error budget policies.
• Conduct blameless post-incident reviews to uncover systemic root causes and implement long-term preventive measures.
• Develop internal tools and automation to permanently eliminate patterns of manual work.
• Shift from simple monitoring to deep observability, ensuring high cardinality data leads to proactive actionable insights.
• Proactively identify and mitigate operational risks through chaos engineering and architecture reviews.
• Refine the on-call experience to reduce alert fatigue, improve MTTR, and ensure sustainable rotation health.

Requirements

• Bachelor’s degree in Computer Engineering or a similar discipline.
• 5+ years of experience as a Site Reliability Engineer or in a similar role.
• 3+ years of experience with AWS services, including strong knowledge of container orchestration.
• 2+ years of Kubernetes experience.
• Deep understanding of observability principles and tools like Prometheus, Datadog, or OpenTelemetry.
• Experience with leading incident management and complex postmortem analysis.
• Experience and interest in managing Infrastructure as Code (Terraform) and CI/CD tools such as GitHub Actions.
• Proficiency in at least one programming language (Python, Go, Java, etc.) for building automation and internal tooling.
• Event-driven architecture experience (SNS, SQS etc).
• Good communication skills and fluency in English.
• Participation in on-call rotation is a core expectation of this role, with no duties for the first 6 months.

Nice to have

• Prior experience with Scrum and other agile methods.
• Certification in relevant areas such as AWS Certified DevOps Engineer or Certified Kubernetes Administrator (CKA).
• Prior experience with Telco Core Networks (e.g., 5G/LTE Packet Core, IMS, Signaling) and low-latency networking.
• Experience with AI-driven SRE tools for anomaly detection and improvements.
• Deep understanding of eSIM and GSMA related technologies and services.

Culture & Benefits

• Remote-first environment with a work-from-anywhere stipend.
• Health Insurance, annual wellness & learning credits.
• Annual all-expenses-paid company retreat in a gorgeous destination.
• Company values SRE principles, data-driven decisions, and automation.
• Fosters a blameless culture where everyone is encouraged to learn from mistakes and share knowledge.
• Paid on-call rotation with standby fees + overtime pay, guaranteed rest periods, and flexible hours following night incidents.