AWS Platform Engineer

Company Summary: Quotient Therapeutics is a privately-held, early stage company developing breakthrough medicines informed by natural somatic genetic diversity present in patients. Through our work in somatic genomics, we are forging a new status quo for biopharma research and development across a broad pipeline of internal and partnered programs. The company was founded by Flagship Pioneering, an innovative enterprise that conceives, creates, resources, and grows first-in-category life sciences companies.

Flagship Pioneering has created over 100 groundbreaking companies over the past twenty years, all of which are pioneering novel and proprietary biological, industrial, and engineering approaches to solve major needs in human health and sustainability. These companies include Moderna (MRNA), Generate Biomedicines, Sana Biotechnology (SANA), Tessera Therapeutics, Evelo Biosciences (EVLO), Indigo Agriculture, Seres Therapeutics (MCRB), and Syros Pharmaceuticals (SYRS). Position Summary: We are seeking a mid-level Platform Engineer to help build, operate, and improve the cloud infrastructure that underpins our genomics-first drug discovery platform.

This varied and challenging role is suited to someone with solid cloud and DevOps foundations who enjoys solving real-world problems and continuously improving systems. Working within the Data Infrastructure team, you will collaborate closely with biologists, informaticians, and software engineers to support data pipelines, applications, and AI/ML workflows used across the company. You will take ownership of meaningful parts of the platform while continuing to grow your skills across cloud architecture, security, and data-intensive systems.

This role offers exposure to complex scientific workloads and the opportunity to shape how a modern biotech platform is built. This role is based at the Chesterford Research Campus (vicinity of Cambridge) and reports to the Head of Data Engineering. Applicants require permission to work in the UK.

Key Responsibilities

: Operate and improve our AWS-based platform across development and production environments. Build and maintain infrastructure-as-code (primarily CDK) for provisioning and managing cloud resources. Contribute to CI/CD pipelines and automation used across engineering teams.

Support and optimise our use of AWS services such as EC2, S3, Lambda, Batch, ECS/EKS, and RDS. Improve observability through logging, monitoring, alerting, and cost visibility. Troubleshoot issues across infrastructure, pipelines, and applications, working closely with engineers and scientists.

Requirements

and translate them into practical solutions. Contribute to improving security practices (IAM, access control, auditing) and overall platform reliability.

: We are looking for someone who combines practical experience with strong learning ability and problem-solving skills. ~2–5 years of experience working with AWS cloud infrastructure. Experience writing code or scripts (Python, Bash, or similar) in a production or project setting.

Hands-on experience with infrastructure-as-code (CDK, Terraform, or CloudFormation). Experience with CI/CD pipelines, containerisation, and modern software engineering practices. Working knowledge of core cloud services (compute, storage, networking, IAM).

Experience troubleshooting and improving production systems. Strong problem-solving skills and ability to work through unfamiliar challenges. Good communication skills and ability to work with engineers, scientists, and other stakeholders.

Familiarity with some of the following: Observability tooling (CloudWatch, Grafana). Cloud security best practices. Managing large datasets.

Data pipelines or data engineering workflows. Scientific/imaging/analytical workloads. Genomics, biology, or data-driven science.