Senior/Lead DevOps Engineer (AWS)

We are seeking a Senior/Lead DevOps Engineer to join our team supporting the world's largest hedge fund, where our services are truly unique in the market. You will help us maintain our large-scale infrastructure, development pipelines, and automation initiatives. As part of a shared DevOps service team, you will support multiple delivery streams and core components, including Git, SSO, and AD. Responsibilities Design, build, and maintain scalable, secure, and reliable cloud-based or on-premise infrastructure environments Implement infrastructure-as-code (IaC) solutions for consistent and repeatable infrastructure provisioning Perform regular maintenance, patching, and upgrades to ensure high availability and stability Develop, monitor, and optimize CI/CD pipelines to support continuous deployment of high-quality software Collaborate with project teams to ensure proper integration of CI/CD pipelines into the SDLC Automate deployment mechanisms to improve release velocity and minimize downtime Automate routine and repetitive operational tasks to reduce manual intervention and enhance productivity Build custom scripts or tools to support operational workflows, reduce toil, and improve system observability Based on feedback from the end users, improve the state of the written automation Set up and maintain robust monitoring and alerting systems to ensure observability and performance tracking across all services Implement centralized logging solutions for applications and infrastructure for efficient issue troubleshooting Monitor and analyze cloud/infrastructure usage patterns to identify opportunities for cost containment and optimization Implement tagging, rightsizing, and reserved instance strategies to minimize cloud costs while maintaining performance requirements Conduct regular audits of resource utilization and recommend best practices for cost control Work closely with software developers, QA teams, and data engineering teams to ensure a seamless and scalable development lifecycle Participate in release management activities (provide steps for deployment, assist when issues occur, plan for potential rollback in advance) Mentor and guide project members on DevOps best practices and foster a culture of continuous improvement Advocate for DevOps tools and methodologies across the organization to drive adoption and alignment Requirements 5+ years of proven experience as a DevOps Engineer or in a similar role Expertise in managing AWS cloud platform, including base services (VPC, IAM, EC2), storage (EBS, S3), and serverless offerings (CloudFront, Lambda, DynamoDB) Familiarity with additional AWS services such as Step Functions, SQS, and SNS, as well as Glue and SES Background in AWS container and workflow services (EKS, ECS, Managed Workflows for Apache Airflow) Strong knowledge of infrastructure-as-code and best practices for infrastructure management using Terraform Capability to perform configuration management on large-scale deployments Hands-on experience with CI/CD tools such as Jenkins, GitLab CI/CD, and SonarQube Proficiency in scripting languages (Python or Bash) Understanding of containerization and orchestration technologies (Docker, Kubernetes) Skills in monitoring and logging tools such as Grafana, ELK, and AWS CloudWatch Knowledge of cost-optimization strategies and tools in cloud environments English proficiency at an Upper-Intermediate level (B2) or higher Nice to have Competency in configuration management with Ansible Familiarity with Apache HBase, Apache Hadoop, and Apache Spark Expertise in monitoring with Prometheus