Senior DevOps Engineer

Description

We are seeking a specialized Senior DevOps Engineer to join our team. This position focuses on strengthening cloud infrastructure, automation pipelines, and engineering practices within an AWS\-driven environment. The role offers the opportunity to lead impactful migrations, support secure platform initiatives, and contribute to scalable, modern engineering foundations. **Responsibilities** * Design, develop, and maintain AWS Lambda services and API Gateway endpoints using Python and boto3 * Lead the CI/CD migration from legacy cicd\-functions pipelines to GitHub Actions workflows * Manage infrastructure as code with Terraform as the main tool, supplemented by Serverless frameworks * Carry out brownfield refactors, service decommissions, and migrations, such as OAuth migrations, WAF block\-mode enablement, and Mythos SAST/SCA remediations * Configure and tune AWS WAF rules and resolve security findings raised by SAST and SCA tooling * Integrate internal and third\-party systems through REST APIs, including patterns such as ServiceNow OAuth client credentials flows * Automate operational workflows and contribute to agentic platform initiatives, with familiarity with n8n, LangChain, or comparable orchestration tools considered an advantage * Partner with the SRE Consultant on telemetry gaps and Lambda\-based data collection automation **Requirements** * At least 3 years of relevant professional experience * Python development background centered on AWS Lambda and API Gateway in production environments * Solid command of boto3 across services including IAM, Secrets Manager, SSM, Lambda, API Gateway, CloudWatch, and WAF * Practical Terraform skills for production\-grade infrastructure as code, including authoring, refactoring, and reviewing modules * Functional knowledge of the Serverless Framework, including maintaining and migrating legacy stacks * Hands\-on authoring of CI/CD pipelines in GitHub Actions, with readiness to lead a cicd\-functions to GHA migration * Background in setting up AWS WAF rules, switching on block mode, and assisting with incident response activities * Familiarity with security tools such as SAST and SCA, alongside exposure to a structured compliance framework * Brownfield mindset with a clear track record of migrations, decommissions, and refactors rather than greenfield builds * Outstanding verbal and written English communication abilities (B2\+ level or higher) **Nice to have** * Background in linking internal and external systems through REST APIs, including ServiceNow OAuth client credentials flows * Knowledge of Snowflake for cloud data warehousing, analytics, and data platform integration **We offer** * International projects with top brands * Work with global teams of highly skilled, diverse peers * Healthcare benefits * Employee financial programs * Paid time off and sick leave * Upskilling, reskilling and certification courses * Unlimited access to the LinkedIn Learning library and 22,000\+ courses * Global career opportunities * Volunteer and community involvement opportunities * EPAM Employee Groups * Award\-winning culture recognized by Glassdoor, Newsweek and LinkedIn