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 criticalinfrastructure transformation over a 3-6+ months. This high-impact engagement will modernize our clients platform and expand their global infrastructure. The successful contractor will playa 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 environmentsand 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!

Unify Talent - IT, Digital & Tech Recruitment

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