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# Senior AWS DevOps Engineer - TypeScript, IaC, CDK, Event-Driven, OIDC

- **Company:** Smart Sourcer Limited
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £136,500.0 - £143,000.0
- **Contract:** Temporary contract
- **Skills:** Amazon Web Services, Amazon S3, Amazon DynamoDB, Github, Identity and Access Management, Python (Programming Language), OpenID, Peering, Openid Connect, TypeScript, Workflow Management Systems, AWS Cdk, Pulumi, Autoscaling, Technical Debt, Amazon Virtual Private Cloud (VPC), Event Driven Architecture, Cloudwatch, Api Gateway, Terraform, Serverless Computing
- **Published:** September 25, 2026
- **Apply:** https://www.totaljobs.com/job/senior-aws-devops-engineer/smart-sourcer-limited-job108041555

## About the Role

You'll have deep, hands-on experience with AWS development and production environments where availability, resilience, and security are non-negotiable. You should be comfortable operating with seniority; making decisions, proposing improvements, and driving outcomes without needing close supervision.

We're especially interested in engineers with strong capability across:

 * Lambda (Python & TypeScript)
 * Step Functions
 * DynamoDB & DynamoDB Streams
 * EventBridge
 * API Gateway
 * IAM roles, permission boundaries, OIDC-based identity flows
 * VPC, Transit Gateway, VPC Peering
 * S3
 * Aurora
 * Auto Scaling Groups
 * ECS
 * ALB/NLB
 * CloudWatch
 * Control Tower
 * Service Catalogue

You should also bring excellent communication skills; the ability to articulate technical decisions, influence stakeholders, and provide clear updates during incidents or delivery cycles.

## Description

You'll be a key contributor in designing, delivering, and supporting the cloud foundations that power our products and internal platforms, with a strong focus on Python and TypeScript based AWS serverless engineering, event-driven architectures, and modern identity patterns. You'll be expected to work with seniority from day one, owning problems end-to-end and driving solutions proactively.

 * Designing, building, and maintaining secure, scalable, and resilient AWS serverless infrastructure
 * Developing automation, tooling, and workflow orchestration using Python and TypeScript
 * Implementing complex workflows using AWS Step Functions, Lambda, EventBridge, DynamoDB Streams, and API Gateway
 * Building and maintaining IaC using AWS CDK, Terraform, and Pulumi
 * Implementing modern identity and access patterns including OpenID Connect (OIDC), IAM roles, and fine-grained permission boundaries
 * Enhancing CI/CD pipelines using GitHub Actions
 * Collaborating effectively with engineering, product, and security teams; communicating decisions, trade-offs, and risks with clarity
 * Taking full ownership of tasks from design through delivery, operating independently and making sound technical judgments
 * Supporting incident response, including escalation, resolution, and post-incident improvements
 * Documenting systems, processes, and technical decisions with precision
 * Handling context switching effectively when priorities shift
 * Reducing technical debt and improving operational maturity across environments
 * Maintaining a strong security and compliance mindset in all designs and implementations
 * Stepping up during high-pressure events, escalations, and critical incidents
 * Ensuring reliable availability during agreed working hours


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