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OM
Omnicom Group

Senior Data Analyst

LocationLondon, London, United Kingdom
Work modehybrid
Typefull-time
SenioritySenior
Experience4+ yrs
DepartmentData and Analytics
Company size10,000+ people
First seenOct 10, 2026 · 1d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have8
Hands on with data – uses SQL and/or Python regularly and writes code to pull data from GCP, AWS, Azure or equivalent
Understands and can talk about basic statistical concepts (feature importance, regression, clustering, causation vs correlation)
4+ years working agency, consulting or client side with customer or customer-related datasets
Comfortable taking data and turning it into tangible recommendations for a non-technical, decision-making audience
Strong communicator, used to working closely with and presenting to internal non-technical stakeholders or clients
Curious, asks a lot of questions and interested in the 'why' of data
Works across multiple teams, learns from others and shares findings
OK working independently and happy to run projects with limited oversight
Nice to have12
Creating data pipelines and scheduling regular batch jobs (in Airflow or equivalent)
Working with cloud environments in an engineering capacity
Marketing orchestration/ad tech tools/stacks (Salesforce/Braze/Adobe/DSPs etc)
Social analytics
Attribution/MMM
Writing for more junior team members
Business casing
Customer segmentation and modeling
Running test and learn programmes
Customer journey/experience planning
Tagging, tracking and taxonomy
Team management/mentoring
Skills
SQL
Python
GCP
AWS
Azure
Airflow
Salesforce
Braze
Adobe
DSPs
Agency:
About the company
RAPP
Job Function:
About the role
Data and Analytics
Job Subfunction:
Data Science and Analytics
Job Description:
As a Senior Analyst, you’ll lead projects end-to-end, direct junior analysts, and help shape strategies that use data to drive smarter decisions across channels. You will do this on one flagship clients or across multiple accounts, and will also play a role in supporting new business growth, and driving best practice across the team.
•
Some of the projects and tasks you may lead include:
•
Delivering and managing an on-going test and learn planm for a client’s omnichannel marketing activities
•
Lead a strategic initiative to understand how to use a client’s first party data to power above-the-line media buys.
•
Lead a progressive data capture exercise that clients can use to understand how to drive overall levels of data quality and volume in their business
•
Use RAPP’s AI tools to drive an ongoing creative optimization programme
•
Create multi-variate customer segments and measure the impact of marketing against this audience
The Opportunity
•
RAPP’s clients are hugely varied, as is the work they ask us to do. But what unites them is that data is a strategic imperative for them. You will be front and centre of what RAPP does, and a key part of delivering for and growing your client.
•
You’ll be joining a large (30+) group of talented and supportive people, in a group where culture and team cohesion really matter.
•
We treat our team as grown ups. You will have proper autonomy to run your own projects – with the help of said supportive team, of course.
•
Developing how we work and function as a team is a group endeavour, not just the highest paid person in the room. You will be canvassed, and your voice listened to, around what our deliverables should look like and how our team should run.
ABOUT YOU – essential skills
•
You are hands on with data – you use SQL and/or Python regularly and write code to pull data from a GCP, AWS, Azure or equivalent
•
You’re not a stats expert, but you do understand, use and can talk about some basic concepts (feature importance, regression, clustering, causation vs correlation), etc.
•
You have 4+ years working agency, consulting or client side with customer or customer-related datasets - think marketing analytics, sales analysis, product analysis, consumer profiling etc. If you don’t have this experience, you can show how what you’ve done before will compensate for this.
•
You’re comfortable taking data and turning it into tangible recommendations for a non-technical, decision-making audience. Ideally this would include answering a mix of more tactical (post campaign analysis, investment analysis, media evaluation) and strategic questions
•
You’re a strong communicator, and are used to working closely with and presenting to internal non-technical stakeholders or clients
•
You are curious, ask a lot of questions and are interested in the “why” of data – what it means, and what clients should do with it. That curiosity extends to a desire to understanding a dataset and not just taking it at face value – you are accurate, detail-oriented and if a piece of data looks wrong, you’ll want to know why that might be.
•
You’ll get a kick working across multiple teams (at a client level and an analytics level), learning from others and sharing things you’ve learned with you
•
You’ll be OK working independently and happy to run projects with limited oversight
ABOUT YOU – NICE TO HAVES
You will likely work across some of the following areas in your RAPP career and experience of any of the below is a plus; if you have experience of none of these things but think you fit the main criteria, we’d still love to hear you.
•
Creating data pipelines and scheduling regular batch jobs (in Airflow or equivalent).
•
Working with cloud environments in an engineering capacity
•
Marketing orchestration/ad tech tools/stacks (Salesforce/Braze/Adobe/DSPs etc)
•
Social analytics
•
Attribution/MMM
•
Writing for more junior team members
•
Business casing
•
Customer segmentation and modeling
•
Running test and learn programmes
•
Customer journey/experience planning
•
Tagging, tracking and taxonomy
•
Team management/mentoring
Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager. Our objective is to increase this requirement over time, and many of our agencies as well as Omnicom’s corporate group already require five days of in-office attendance.
Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us—we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.
Legal
Link to Recruitment Privacy Notice: https://www.omc.com/privacy-notice/
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