Senior Cloud Engineer - AWS

Title: Senior Cloud Engineer - AWS
Reports to: Cloud Lead
Office Environment: Hybrid (two days minimum, London based)
Type: Permanent
SC Eligibility Required

Joining Our Mission
Shape the future. Make an impact.

At QuantSpark, pioneering the strategic application of data, analytics, and AI is at the heart of our work. We empower British businesses and government to thrive—not just for profits, but for measurable human and societal benefit. This means tackling real-world challenges, innovating at scale, and forging solutions that leave a legacy of prosperity and efficiency.az
Here, engineers and strategists collaborate daily—compressing years of traditional progression into an accelerated path. As a Senior Cloud Engineer, you’ll operate at both the visionary and technical frontier, helping build resilient infrastructures that power essential platforms and products.

Our Client Portfolio
We work with high-growth organisations and sector leaders:

Financial Services & Private Equity: Delivering AI-powered analytics, risk, and operational tools.
Retail & Consumer Brands: Optimising pricing, inventory, and engagement through actionable analytics.
Asset Management: Developing investment infrastructure and automated risk management systems.
Public Sector: Trusted by government departments for fraud analytics, predictive maintenance, and operations optimisation.
SaaS & Manufacturing: Driving technological transformation and efficiency across verticals.

The Role
As a Senior Cloud Engineer specialising in AWS, you will design, build, and optimise secure, scalable infrastructures for QuantSpark platforms and client projects. You’ll lead the adoption of AWS-native services, manage containerised workloads, and embed DevOps practices to improve speed and reliability of delivery.

Key contributions include:

Collaborate with teams to design, implement, and support AWS infrastructure using services like EC2, ECS, EKS, Lambda, and CloudFormation.
Automate infrastructure provisioning and deployment with Terraform and CI/CD pipelines.
Manage and optimise containerised environments using Docker, Kubernetes (EKS), and Helm.
Implement monitoring, logging, security, and cost-optimisation strategies using AWS-native tools.
Partner with data and software engineers to align AWS infrastructure with product and analytics requirements.
Utilise serverless computing, database services (RDS, DynamoDB, PostgreSQL), and multi-cloud strategies.
Apply FinOps practices for cloud cost management and ensure disaster recovery and high availability.
Integrate DevSecOps best practices within CI/CD pipelines and leverage advanced solutions like HashiCorp Vault, service meshes, and Zero Trust architectures.

You Should Hit the Apply Button If…
You have proven expertise building large-scale solutions on AWS.
You are fluent in Terraform for Infrastructure as Code.
You have strong containerisation/orchestration experience (Kubernetes, ECS, Helm).
You are highly skilled in CI/CD, automation, and scripting (Python, Bash).
You are comfortable implementing monitoring, security, and governance in AWS-native environments.
I Want to Work for a Company That…
Balances visionary leadership with hands-on technical impact.
Prioritises meaningful, purpose-driven work and innovative culture.
Values rapid learning, ownership, and mission-driven growth.
Builds solutions that create lasting impact in both business and society.

I’m Looking to Work With…
Diverse, talented cross-disciplinary teams solving complex business and technical problems.
Partners and clients who value data-driven transformation.
Leadership that inspires, trusts, and invests in emerging talent.

In 3–5 Years I Want to Be…
An AWS authority shaping cloud-first strategies across platforms and products.
A mentor helping build the next generation of cloud engineers.
A hands-on leader influencing secure, scalable AWS adoption globally.

Perks & Benefits
£6,000 annual training/conference allowance
Matched pension contributions up to 6%
Private Healthcare (Vitality)
EMI share options—own a part of QuantSpark’s growth
Work abroad up to one month/year
25 days annual leave (+ bank holidays, option to buy/sell up to 5)
Cycle-to-work scheme
Central London office with socials, events, and premium refreshments
Discounts with major retailers, tech, fitness, travel partners.

Equal Opportunities
We are committed to building a diverse and inclusive team. Different perspectives, identities, and experiences make us stronger—both as people and as a business. All qualified applicants will be considered regardless of sex, sexual orientation, marital status, race, nationality, religion, disability, or age.