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Senior Site Reliability Engineer

3 days, 17 hours ago
Australia
Full-time
Mid Level
Site Reliability Engineer (SRE)
DevOps and Infrastructure
Argo CD AWS CI/CD Dagster Databricks Elasticsearch GCP GitHub Actions GitLab CI Go Grafana Helm Jaeger Kafka Kong Kubernetes Microservices OpenTelemetry PostgreSQL Prometheus Python Salesforce
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Obsidian Security

Obsidian Security

Obsidian Security is a Southern California-based company at the forefront of cybersecurity, artificial intelligence, and hybrid cloud environments. They offer a comprehensive security solution for businesses, including advanced threat protection, insid...

Internet Software & Services
51-250
Founded 2017
$30M raised
View All Jobs 31

Description

  • Support and maintain the service quality of the customer-facing SaaS security platform.
  • Address scalability, reliability, observability, and cost-efficiency challenges across production systems.
  • Collaborate with Engineering to maintain and improve Helm charts, application deployment, monitoring, and CI/CD pipelines.
  • Embed with the engineering team to develop deep understanding of the application and its runtime behavior.
  • Define service verification strategies and implement them in the CI/CD process to meet SLAs.
  • Improve developer experience by optimizing CI/CD workflows and performance.
  • Participate in the on-call rotation and provide 24/7 support with the global SRE team.
  • Monitor, debug, and optimize production infrastructure and services on AWS and GCP.
  • Own and evolve the observability stack, including metrics pipelines, dashboards, log aggregation, and distributed tracing.
  • Define SLIs and SLOs across services and build alerting strategies that reduce noise and surface actionable signals.
  • Own the Kubernetes infrastructure for Sherlock, including multiple independently scaled worker pools and HPA autoscaling.
  • Design and maintain Sherlock’s CloudSQL schema, migration pipeline, task queue, and pgvector-based index.
  • Build dashboards for queue depth, worker latency, error rates, accuracy trends, and speed metrics.
  • Own the benchmark CI gate that blocks prompt merges when accuracy or speed regressions exceed thresholds.
  • Deliver capacity planning and cost dashboards for Sherlock’s GKE node pools.
  • Serve as the primary on-call engineer for Sherlock infrastructure by month 3.

Requirements

  • 4+ years of experience in a DevOps or SRE role supporting SaaS services on GCP and/or AWS.
  • Bachelor’s degree in Computer Science or a related field.
  • Production Kubernetes experience, including authoring and owning Deployments, HPAs, and resource limits.
  • Strong proficiency with Kubernetes, microservices architecture, Helm, GitLab CI/CD, and ArgoCD.
  • Deep hands-on experience with Grafana observability tools, including Prometheus/Mimir, Loki, and distributed tracing tools such as Tempo, Jaeger, or OpenTelemetry.
  • Ability to design SLI/SLO frameworks, build alerting rules, and reduce alert fatigue across complex microservices.
  • PostgreSQL fluency, including schema design, indexing, migrations, and query optimization.
  • Experience with async or queue-based architectures, including debugging stuck queues, consumer lag, and duplicate processing.
  • Programming proficiency in Python or Go.
  • Strong ownership mindset and comfort with production on-call responsibility.
  • GCP expertise with Cloud SQL, GKE, IAM, and Pub/Sub.
  • Experience with pgvector or other vector databases.
  • CI/CD pipeline ownership experience with GitLab CI or GitHub Actions.
  • Familiarity with LLM APIs such as Anthropic, Bedrock, or Vertex.
  • Understanding of AI agent design patterns and frameworks.
  • Experience with Kafka, Elasticsearch, ScyllaDB, Databricks, Dagster, Sentry, or Kong.

Interested in this position?

Apply directly on the company website

Apply Now

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