Sr. Site Reliability Engineer

We are looking for a Senior Site Reliability Engineer to join our global SRE team. This is a hands-on individual contributor role for an experienced engineer who can take ownership of high-severity incidents and drive reliability improvements across a fast-moving fintech infrastructure. You will serve in the on-call rotation, work closely with global engineering teams to maintain system health, and improve the resilience of our platforms.

Responsibilities:

• Serve in the on-call rotation and act as incident lead for high-severity incidents.
• Drive incident triage, coordinate cross-team response, communicate status to stakeholders, and own incidents through resolution.
• Independently triage and resolve production alerts across AWS infrastructure and application layers.
• Own and evolve Datadog monitoring standards, including monitors, dashboards, and SLO/SLI frameworks.
• Drive signal-to-noise improvements to reduce alert fatigue.
• Create and maintain runbooks and SOPs for failure scenarios.
• Lead post-mortems with structured root cause analysis and actionable follow-ups.
• Lead reliability initiatives to reduce operational toil and inefficiency.
• Identify systemic weaknesses and implement automation and process improvements.
• Lead RCA investigations for infrastructure and application-level failures in AWS environments.
• Produce clear, action-oriented incident reports.
• Mentor junior and mid-level on-call engineers.
• Monitor CI/CD pipelines during deployments and initiate rollbacks when required.

Requirements:

• 6-8 years of hands-on experience in SRE, DevOps, or platform engineering.
• Proven experience leading high-severity production incidents.
• Strong AWS expertise, including Amazon ECS, IAM, VPC, ALB/NLB, RDS, S3 MSK, ElastiCache, Lambda, and CloudWatch.
• Proficiency with Terraform for Infrastructure as Code.
• Strong experience with Datadog, including monitors, dashboards, SLOs/SLIs, and error budgets.
• Strong Linux command-line skills.
• Ability to write Python automation scripts for operational tasks.
• Working knowledge of GitHub Actions or GitLab CI for ECS-based deployments.
• Strong understanding of reliability concepts and production troubleshooting.
• Excellent written and verbal communication skills.
• Strong ownership and structured troubleshooting mindset.

Architecture & Reliability:

• Understanding of architectural patterns such as microservices, pub/sub, and load balancing
• Ability to evaluate reliability trade-offs and failure modes.
• Experience driving reliability improvements and operational best practices.

Preferred Skills:

• Basic understanding of financial markets and market data, including equities, options, and market data feeds.
• Database query skills.
• Familiarity with RDS or Cassandra performance metrics.
• Experience mentoring engineers.
• Experience establishing operational best practices.
• Strong documentation and handover practices.
• Ability to learn unfamiliar systems independently through documentation and runbooks.