Lead Site Reliability Engineer

Overview

We are seeking a Lead Site Reliability Engineer to spearhead our SRE team. You are not just an operator; you are an experienced software engineer who excels at architecture, code optimization, and deep troubleshooting. In this role, you will drive operational maturity by defining our reliability standards (SLOs), hardening our security posture (WAF/Infra Sec), and scaling the Intellum platform.

• Core
  :
  Applications written in Ruby on Rails and Node.js, Postgre
  
  SQL, Mongo
  
  DB, Redis, Memcached, Sidekiq, Active Job, Elasticsearch, Websockets
• Infrastructure
  : 100% Linux-based cloud infrastructure (AWS, Google Cloud, Mongo
  
  DB Atlas) and services (ECS/EC2/Kubernetes, Elasticache, Memory Store, RDS, Cloud
  
  SQL, Big Query, etc.)
• Infrastructure as Code (IaC):
  Git Hub, Terragrunt, Terraform, Ansible
• CI/CD
  :
  Spinnaker, Jenkins
• Observability & Alerting
  :
  New Relic, AWS Cloud Watch, Google Cloud Stackdriver, Squadcast
• Agile/Scrum practices utilizing JIRA

• sRE Leadership & Strategy:
  Set clear goals for the SRE team and partner with Engineering leadership to align platform initiatives with business objectives
• Reliability & Observability (SLA/SLO):
  Lead the definition and enforcement of SLAs, SLIs, and SLOs. Architect observability frameworks to translate telemetry data into actionable roadmaps that reduce toil and enhance resilience
• Core Engineering & Performance:
  Take ownership of critical code components (e.g., Queues, Enrollments) and lead efforts to identify bottlenecks, optimize performance, and improve code quality across the engineering department
• Security by Design:
  Champion infrastructure security. Partner with Info Sec to define hardening standards, manage perimeter defense (WAF/DDoS), and automate vulnerability remediation within the CI/CD pipeline
• Incident Command:
  Participate in the 24x7 on-call rotation and lead post-incident reviews (RCAs), ensuring action items are implemented to improve MTTR and prevent recurrence
• Mentorship:
  Empower developers with better tooling and guidance on performant coding practices, fostering a culture of collaboration and reliability and "you build it, you run it"

• 10+ years of engineering experience, with 5+ years specifically developing Ruby on Rails applications
• Expertise in Cloud Computing (AWS/GCP) and Infrastructure as Code (Terraform/Ansible)
• Strong proficiency with SQL databases (Postgre
  
  SQL) and the ability to quickly navigate and optimize complex, unfamiliar codebases

• Deep Observability:
  Proven experience designing monitoring solutions (Datadog, New Relic, Prometheus) based on the "Golden Signals"
• SLO Governance:
  Demonstrated ability to define SLIs/SLOs from scratch, negotiate Error Budgets, and use data to balance feature velocity with reliability
• Security Focus:
  Experience securing cloud environments and container platforms (Kubernetes), including hands-on management of WAF rules and edge security
• Incident Management:
  Experience leading post-incident reviews (RCAs) and implementing action items that directly improve MTTR and MTTD

• Proven experience leading technical teams, mentoring engineers, and working in a team-oriented, collaborative environment with strong communication skills
• Documentation & Training:
  Skilled in documenting solutions and training operational teams on how to effectively support and maintain systems
• Proactive Problem-Solving:
  Demonstrated ability to communicate clearly, seek help proactively, and take ownership of tasks to completion

• Automation Tools:
  Experience in developing solutions using server automation tools such as Terraform, Ansible
• CI/CD Expertise:
  Experience in writing and maintaining CI/CD pipelines and services
• Kubernetes:
  Experience in building, deploying, and optimizing Kubernetes-based infrastructure
• Perimeter Defense:
  Experience configuring and managing Web Application Firewalls (WAF) and DDoS protection mechanisms

• Bachelor’s degree in Computer Science or related technical field