Data Analyst - Performance

Shurton
1 day ago
Create job alert

Company Description

⚡️💡 About Assystem

At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.

🤝 Why Join the Community of Switchers?

Be part of one of the top three largest nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.

Job Description

🚀 Job Purpose / Overview

The Performance Analyst plays a critical role in analysing business performance, identifying data and capability gaps, and enabling data-driven decision making across the organisation. Acting as the conduit between business stakeholders, data architects, and technical delivery teams, the role ensures that business requirements are translated into high-quality data products that deliver strategic value.

The Performance Analyst supports the end-to-end lifecycle of data and analytics solutions, from problem definition and requirements capture through to delivery, insight generation, and communication.

🔍 Key Responsibilities

Analyse and understand business data, identifying gaps across people, processes, systems, and information to guide decision-making and data product development

Analyse business problems and opportunities, capturing clear and structured requirements within the requirements database

Identify data gaps and define data requirements required for ingestion into the analytics platform

Communicate insights, findings, and conclusions using appropriate formats, including data visualisations and reports

Support architecture and technical delivery teams to ensure data products meet business requirements

Use agile delivery methodologies, leveraging Azure DevOps to manage user stories, tasks, dependencies, risks, and issues

Perform end-to-end analytical activities including data discovery, profiling, validation, transformation, analysis, and interpretation

Raise open issues relating to operating models or data products to the Information Design Authority (IDA) open issues register for review and resolution

🧭 Contextual Information

The Performance Analyst is one of four roles within an Information Management Pod and acts as the primary interface between business stakeholders and the technical delivery teams. The role supports communication at both strategic and technical levels, ensuring alignment between business objectives, architecture, and data delivery.

All activities are governed by the Information Design Authority (IDA) process, which ensures consistency between requirements, architecture, and technical outputs. Any deviations identified during delivery are formally captured and managed through the IDA governance framework.

This role is suited to an analytical thinker who can translate technical complexity into clear business insight, ensuring the Information Management team delivers robust, compliant, and value-driven data solutions.

Qualifications

🎓 Qualifications, Knowledge & Skills

Essential

Degree-level qualification or equivalent experience in a relevant discipline (e.g. Business, Data & Analytics, Engineering, Computer Science, Economics, or similar analytical field)

Demonstrable experience leading requirements definition, process mapping, and problem-framing within data-centric programmes or transformations

Experience working within multidisciplinary teams

Proven ability to analyse complex business processes and identify data gaps using structured techniques (e.g. As-Is / To-Be, swimlanes, use cases, decision modelling)

Strong experience performing end-to-end analytical work, including data discovery, validation, analysis, and communication

Working knowledge of SQL, sufficient to write queries, explore datasets, validate transformations, and troubleshoot basic issues

Ability to read and interpret Python code used for data processing or analytics, with the capability to modify simple scripts if required

Experience working on projects or programmes in structured, controlled environments with formal governance and change control

Desirable

Professional qualification in Business Analysis 

Professional qualification in Data or Analytics 

Experience working in nuclear, asset-intensive, or safety-critical industries

Additional Information

🌟 Why Apply?

Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.

🌟 Your Benefits Package
🏠 Hybrid Working – Flexibility to work from home and the office
🏖️ 25 Days Annual Leave + Bank Holidays
🔄 Buy & Sell Holiday – Make your time off work for you
💰 8% Company Pension Contributions
🛡️ Income Protection & 3x Salary Death-in-Service Cover
🤒 Competitive Sick Pay – Support when you need it
🏥 Healthcare Cash Plan – Claim back on dental, optical & more
💪 Free Digital Gym Access – Expert-led fitness classes
🎁 Exclusive Discounts – Restaurants, days out & top brands
📞 24/7 Employee Support Line – Mental health, financial & legal help
🚴 Cycle to Work Scheme – Save money & go green
💉 Free Flu Jabs & Eye Test Vouchers
🧾 Paid Professional Membership Fees
❤️ Volunteer Days – Make a difference on company time

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter!

Bring your unique contributions and help us shape the future.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future

Related Jobs

View all jobs

Data Analyst

Data Analyst

Data Analyst

Data Analyst

Data Analyst

Data Analyst

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Machine Learning Jobs for Career Switchers in Their 30s, 40s & 50s (UK Reality Check)

Are you considering a career change into machine learning in your 30s, 40s or 50s? You’re not alone. In the UK, organisations across industries such as finance, healthcare, retail, government & technology are investing in machine learning to improve decisions, automate processes & unlock new insights. But with all the hype, it can be hard to tell which roles are real job opportunities and which are just buzzwords. This article gives you a practical, UK-focused reality check: which machine learning roles truly exist, what skills employers really hire for, how long retraining realistically takes, how to position your experience and whether age matters in your favour or not. Whether you come from analytics, engineering, operations, research, compliance or business strategy, there is a credible route into machine learning if you approach it strategically.

How to Write a Machine Learning Job Ad That Attracts the Right People

Machine learning now sits at the heart of many UK organisations, powering everything from recommendation engines and fraud detection to forecasting, automation and decision support. As adoption grows, so does demand for skilled machine learning professionals. Yet many employers struggle to attract the right candidates. Machine learning job adverts often generate high volumes of applications, but few applicants have the blend of modelling skill, engineering awareness and real-world experience the role actually requires. Meanwhile, strong machine learning engineers and scientists quietly avoid adverts that feel vague, inflated or confused. In most cases, the issue is not the talent market — it is the job advert itself. Machine learning professionals are analytical, technically rigorous and highly selective. A poorly written job ad signals unclear expectations and low ML maturity. A well-written one signals credibility, focus and a serious approach to applied machine learning. This guide explains how to write a machine learning job ad that attracts the right people, improves applicant quality and strengthens your employer brand.

Maths for Machine Learning Jobs: The Only Topics You Actually Need (& How to Learn Them)

Machine learning job adverts in the UK love vague phrases like “strong maths” or “solid fundamentals”. That can make the whole field feel gatekept especially if you are a career changer or a student who has not touched maths since A level. Here is the practical truth. For most roles on MachineLearningJobs.co.uk such as Machine Learning Engineer, Applied Scientist, Data Scientist, NLP Engineer, Computer Vision Engineer or MLOps Engineer with modelling responsibilities the maths you actually use is concentrated in four areas: Linear algebra essentials (vectors, matrices, projections, PCA intuition) Probability & statistics (uncertainty, metrics, sampling, base rates) Calculus essentials (derivatives, chain rule, gradients, backprop intuition) Basic optimisation (loss functions, gradient descent, regularisation, tuning) If you can do those four things well you can build models, debug training, evaluate properly, explain trade-offs & sound credible in interviews. This guide gives you a clear scope plus a six-week learning plan, portfolio projects & resources so you can learn with momentum rather than drowning in theory.