DevOps Engineer

The Role We’re looking for an experienced DevOps Engineer to join our small DevOps team. You’ll be focused on delivering AWS infrastructure with Terraform to support multiple .NET products currently in development. You’ll work closely with our development teams to extend existing Terraform modules, create new ones, refactor infrastructure, and ensure everything is production-ready, secure, and cost-efficient. This role requires deep AWS knowledge and Terraform, especially in multi-account and multi-region environments. Key Responsibilities: Build, extend, and refactor Terraform modules for AWS infrastructure. Design, implement and deploy architecture for new and existing products. Collaborate with developers to translate application requirements into secure, scalable infrastructure. Work across AWS services including ECS/Fargate, EC2, RDS (PostgreSQL), ElastiCache, SQS/SNS, S3, KMS, VPC, CloudFront, and Cognito, IAM, SSO. Integrate Terraform and infrastructure deployment into GitLab CI/CD pipelines. Ensure infrastructure adheres to security best practices, including IAM, encryption, and least privilege. Contribute to observability and operational readiness (monitoring, logging, metrics, scaling). Keep cost optimisation in mind when designing infrastructure. Ideally, you’ll have/be: 5+ years of hands-on DevOps experience. Strong experience delivering AWS infrastructure at scale (multi-account, multi-region). Expert-level Terraform skills, including module design, testing, and state management. Deep understanding of AWS networking, security, and identity management. Proven track record working with developers to deliver production systems. Hands-on experience with CI/CD pipelines (preferably GitLab). Excellent communication skills and ability to work independently and deliver results quickly in a fixed-term role. Strong awareness of cloud security and cost optimisation About ONYX ONYX Insight is a growing technology and engineering organization in the renewable energy sector. Every day we monitor the performance of 32,000-plus wind turbines in 45+ countries, giving owner-operators the clarity and confidence to maximize reliability, minimize downtime, and increase annual energy production. ONYX Insight is part of the Macquarie Group. Macquarie is a global financial services group operating in 34 markets in asset management, leasing and asset financing, market access, commodity trading, renewables development, specialist advisory services, capital raising and principal investment. The diversity of Macquarie Group operations, combined with a strong capital position and robust risk management framework, has contributed to a 54-year record of unbroken profitability. For any further information, or to understand our products and services better, please feel free to look through our website: https://onyxinsight.com/ ONYX Insight is an equal opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.