Senior DevOps Engineer

Senior DevOps Engineer

Location: Remote (Must be UK-based, 1 meeting per month in Bristol)

Duration: 6 months

Rate: £450-500 per day (Outside IR35)

Start Date: ASAP

Interview Process: 1 stage, 45 minute Virtual

Unify is proud to exclusively represent a fast growing SaaS business, who is looking to engage the services of an experienced Senior DevOps Engineer on a Contract basis for initially 6 months.

INTRO:

We’re looking for a Senior DevOps Engineer to lead the first two phases of a critical infrastructure transformation over a 3–6+ months. This high-impact engagement will modernize our clients platform and expand their global infrastructure. The successful contractor will play a leading role in migrating applications from Heroku to AWS, containerizing services in ECS, and launching a production environment in a second region (US).

This is a delivery-focused contract role for someone who thrives in fast-moving environments and can work autonomously to hit the ground running.

PROJECT SCOPE – WHAT YOU’LL DELIVER:

As part of this engagement, you\’ll take ownership of delivering the following:

Phase 1: UK Core Infrastructure Migration:

– Containerize key services and migrate workloads from Heroku to AWS ECS

– Implement VPC networking, IAM, security groups, and other foundational components

– Build as Infrastructure as Code (IaC) using Terraform or equivalent tools

Phase 2: US Region Expansion:

– Architect and deploy a second production region in the US

– Set up global load balancing, failover, and replication strategy

– Ensure adherence to data residency and latency requirements

KEY RESPONSIBILITIES:

– Define and implement secure, scalable infrastructure patterns

– Build CI/CD pipelines and automation tooling for deployments

– Establish monitoring, logging, and alerting for distributed environments

– Create documentation and optionally provide handover training for internal teams

– Recommend optimizations for cost and performance

YOU WILL BRING:

We’re looking for a technically strong, delivery-focused Senior DevOps Engineer who is:

– Independent and proactive — able to take ownership of projects with minimal oversight

– Outcome-oriented — focused on hitting clear milestones within the engagement window

– Highly collaborative — comfortable partnering with dev teams and stakeholders remotely

– Security-minded and detail-oriented.

YOU SHOULD BE EXCITED BY:

– Designing and delivering global, scalable infrastructure

– Working with fast-moving teams on ambitious modernisation efforts

– Introducing DevOps best practices and setting strong foundations

– Delivering real impact within a defined contract period

CONTRACTOR REQUIREMENTS:

Must-Have Experience:

– Proven track record leading high-impact infrastructure migrations

– Deep hands-on expertise in AWS (ECS, VPC, IAM, CloudWatch, Route 53, etc.)

– Experience migrating from Heroku to AWS or other PaaS-to-cloud transformations

– Strong Infrastructure as Code experience (Terraform preferred)

– Container orchestration (ECS, Fargate, or EKS)

– CI/CD tooling (e.g. GitHub Actions, CircleCI, etc.)

– Monitoring, observability, and cost optimisation techniques

– Familiarity with security controls and compliance frameworks

Nice-to-Have Experience:

– Global infrastructure projects and multi-region application design

– CDN and edge delivery experience (e.g. CloudFront, Akamai)

– E-commerce or high-availability platform exposure

– Legacy system refactoring experience

– Serverless architecture exposure (Lambda, API Gateway)

Please apply in the first instance by submitting your latest CV for immediate review by our Talent Team.

Thank you!