Lead Platform Engineer

Addition; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Benefits offered by this job

Hybrid onsite 1 day/week

Job summary

Addition is seeking two experienced Lead Platform Engineers on a 6-month contract to strengthen a cloud platform for advanced AI. You will lead design and implementation of AWS-based capabilities, with an emphasis on federated identity and integrating Bedrock technologies into core AWS offerings.

The role is hands-on and senior, requiring independent decision-making in a regulated environment, and includes 1 day per week onsite in London or Edinburgh.

Qualifications

• Senior AWS specialist with hands-on cloud engineering experience.
• Experience designing federated identity solutions in complex environments.
• Proven ability to lead technical initiatives and manage stakeholders.

Responsibilities

• Designing and building reliable AWS platform capabilities, including federated identity.
• Assessing the current platform and prioritising key technical work.
• Consolidating existing integrations into core AWS technologies.
• Translating requirements into implementable and auditable solutions.
• Supporting the use of Amazon Bedrock and Bedrock AgentCore.
• Ensuring risk, assurance and design controls are met.
• Providing technical leadership and guiding the engineering team.

Skills

AWS cloud engineering

Platform design

Federated identity

Leadership

Stakeholder management

Education

AWS Solutions Architect certification

Tools

Amazon Bedrock

Bedrock AgentCore

Job description

Location: London or Edinburgh | 1 day per week onsite

Start Date: ASAP

We’re partnering with a leading organisation to appoint two experienced Lead Platform Engineers on an initial 6-month contract.

This is an exciting opportunity for senior AWS specialists to help build and strengthen a cloud platform supporting advanced AI capabilities. You’ll play a key role in developing the underlying AWS environment, with an initial focus on federated identity and consolidating existing integrations into core AWS technologies, including Amazon Bedrock and Bedrock AgentCore.

Operating within a highly regulated environment, you’ll combine hands-on engineering expertise with strong technical judgement to ensure the platform is scalable, reliable and aligned with strict risk, assurance and design controls.

The Opportunity

As Lead Platform Engineer, you’ll work closely with solution architecture and technical teams to assess the existing platform, identify priorities and translate requirements into robust, implementable solutions.

You’ll be joining at an important stage of the platform’s development, helping establish strong technical foundations that can support its continued growth and wider adoption.

This is a hands-on role suited to a senior, lead or principal-level engineer who is comfortable navigating complex environments, working independently and making sound technical decisions.

Key Responsibilities

You’ll play a key role in developing and strengthening the AWS platform by:

• Designing and building reliable AWS platform capabilities, including federated identity.
• Assessing the current platform and helping prioritise key technical work.
• Consolidating existing integrations into core AWS technologies.
• Working with solution architects and technical Business Analysts to translate requirements into implementable and auditable solutions.
• Supporting the integration and use of Amazon Bedrock and Bedrock AgentCore.
• Ensuring solutions meet appropriate risk, assurance and design controls.
• Making informed technical decisions across a complex and evolving cloud environment.
• Helping establish a scalable foundation to support the future growth and wider use of the platform.
• Providing technical leadership and supporting the wider engineering team.

About You

You’ll be a highly experienced AWS engineer operating at senior, lead or principal level, with the technical depth and judgement to take ownership within a complex platform environment.

You will also have:

• Strong hands-on AWS cloud engineering and platform design experience.
• Experience designing and implementing federated identity solutions.
• Strong experience working with complex systems and integrations.
• Familiarity with Amazon Bedrock and Bedrock AgentCore.
• Experience working within regulated environments with risk, assurance and design controls.
• The ability to quickly understand an unfamiliar technical estate and identify priorities.
• Strong problem-solving skills and the ability to make sound technical decisions independently.
• Previous team leadership or technical leadership experience.Strong stakeholder management and communication skills.
• AWS Solution Architect-level certification or equivalent practical capability would be highly advantageous.

Why Apply?

This is an excellent opportunity to take a leading role in the development of a sophisticated AWS platform, working with modern cloud and AI technologies within a complex enterprise environment.

In return, you’ll benefit from:

• Initial 6-month contract.
• Hybrid working with just 1 day per week onsite in London or Edinburgh.
• The opportunity to work with AWS, Amazon Bedrock and emerging AI technologies.
• A senior technical position with significant influence over platform design and development.
• The opportunity to help establish a scalable platform foundation with long-term strategic importance.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.