Senior AWS Platform Engineer — Reliability & Automation

PEXA; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Wellness Days

Health Flex Pot

Digital GP access

Mental health consultations

Eye tests and glasses support

Up to five days paid study leave

Equity plan / equity opportunities

Employee referral bonus

Discounts (Perkbox)

Volunteer day

Hybrid work model

Job summary

PEXA is expanding its UK-origin platform and seeking an experienced AWS infrastructure engineer. You will own and operate production workloads, build and automate infrastructure, and drive reliability improvements across the PEXA Go platform.

You’ll work with cloud security, monitoring, and incident response, collaborating with software engineers to communicate risks and options clearly. This hybrid role offers flexible office/home arrangements and growth opportunities within a fast‑growing team.

Qualifications

• Hands-on experience engineering and operating production workloads on AWS.
• Practical experience using infrastructure as code, scripting and automation to deliver platform changes.
• Experience working with containerised applications and Kubernetes, including troubleshooting operational issues.
• Experience setting up or using monitoring, logging and alerting to diagnose production problems.
• Confidence investigating incidents and making safe, well-documented changes to live services.
• A sound understanding of cloud security, networking, resilience, backup and recovery.
• The ability to work effectively with software engineers and explain technical risks and options clearly.

Responsibilities

• Building, configuring and maintaining the AWS infrastructure and platform services used by PEXA Go.
• Implementing infrastructure changes through code and automation, helping make delivery repeatable and dependable.
• Delivering upgrades, technical remediation and lifecycle work, while identifying dependencies and risks early.
• Improving monitoring, logging and alerting so teams can spot issues and understand what is happening across the platform.
• Investigating platform incidents and service problems, helping restore service and prevent the same issues from recurring.
• Making safe, documented changes to live services and contributing technical evidence and follow-up actions to incident reviews.
• Applying agreed security controls and engineering standards to infrastructure, access, configuration and platform changes.
• Keeping colleagues informed about progress, risks and technical options.
• Sharing what you know and looking for practical ways to make the platform and its day-to-day operation better.

Skills

AWS

IaC / automation

Kubernetes

Monitoring & logging

Incident response

Cloud security

Cross-functional collaboration

Job description

PEXA is expanding its UK-origin platform and seeking an experienced AWS infrastructure engineer. You will own and operate production workloads, build and automate infrastructure, and drive reliability improvements across the PEXA Go platform.

You’ll work with cloud security, monitoring, and incident response, collaborating with software engineers to communicate risks and options clearly. This hybrid role offers flexible office/home arrangements and growth opportunities within a fast‑growing team.