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- Tasks: Transform client data into scalable solutions and ensure data integrity for impactful campaigns.
- Company: Epsilon, a global leader in data and technology for marketing and advertising.
- Benefits: Competitive salary, great benefits, hybrid work, and endless career growth opportunities.
- Why this job: Join a dynamic team at the forefront of data innovation and make a real impact.
- Qualifications: 5+ years in data onboarding, strong SQL skills, and experience with ETL systems.
- Other info: Work in a supportive environment that values collaboration, growth, and innovation.
The predicted salary is between 60000 - 80000 ÂŁ per year.
This role is based in our London office at least 4 days per week.
How You’ll Make An Impact
Our Data Engineering team transforms complex client data into scalable, high-quality solutions that power digital media, messaging, and loyalty strategies. As a Senior Business Systems Analyst, you’ll sit at the intersection of data, technology, and client strategy—ensuring customer and transaction data is accurately onboarded, automated, and optimised within our data warehouse ecosystem. You’ll play a critical role in translating client requirements into actionable technical specifications, enabling seamless data integration and measurable business outcomes. By ensuring the highest standards of data integrity and governance, you’ll directly impact campaign effectiveness and long‑term client success.
What You’ll Achieve
- Own the onboarding and automation of client customer and transaction data across Epsilon products
- Translate business requirements into clear, structured technical documentation for developers
- Analyse and interrogate client datasets to define scalable data warehouse solutions
- Create and validate data mapping rules to ensure accurate implementation
- Conduct code reviews, ensuring business rules are correctly applied in developer scripts
- Present onboarding results and insights to cross‑functional stakeholders
- Act as liaison between clients, Engineering, Pre‑Sales, and downstream teams
- Maintain database integrity and ensure data quality standards are consistently met
- Proactively communicate maintenance events impacting data loads and SLAs
- Build strong internal and external relationships to support long‑term partnership success
Who You Are
What you’ll bring with you:
- 5+ years’ experience onboarding data as a Business Analyst, Data Solutions Engineer, or similar role
- Strong understanding of data warehousing concepts and architecture
- Advanced SQL skills and solid knowledge of relational database design
- Experience working with ETL systems and file transfer methodologies
- Confidence navigating Linux environments and using terminal commands
- Experience working directly with clients and cross‑functional technical teams
- Strong written and verbal communication skills with the ability to articulate detailed specifications
- Excellent time management skills with experience working to service‑level agreements
- A proactive, ownership‑driven mindset with strong analytical problem‑solving ability
Why you might stand out from other talent:
- Experience within the AdTech industry
- Familiarity with Python and Shell scripting
- Experience working within agile engineering environments
- Exposure to digital media data and downstream activation use cases
Additional Information
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI.
Our pillars aren’t just words. They’re how we show up every day:
- People centricity: We focus on employee well‑being in an environment where colleagues truly care about each other.
- Collaboration: We work together, support one another, and collectively achieve goals.
- Growth: There are endless opportunities for growth through learning, development and career advancement.
- Innovation: We drive progress through cutting‑edge solutions and forward‑thinking approaches.
- Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively.
Our values guide us to create value for our clients, our people and consumers:
- Act with integrity
- Work together to win together
- Innovate with purpose
- Respect all voices
- Empower with accountability
These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose.
Because You Matter
We know that we have some of the brightest and most talented employees in the world, and we believe in rewarding them accordingly. If you work here, expect competitive compensation, a great benefits package and endless opportunities to advance your career. We offer hybrid working opportunities, with our office space located in the Iconic Television Centre, White City.
As part of our dedication to enhance our inclusive and diverse workforce, Epsilon is committed to equal access to opportunity for people without regard to race, age, sex, disability, neurodiversity, sexual orientation, gender identity, pregnancy and maternity, marriage and civil partnership or religion or belief. We are committed to providing reasonable adjustments for candidates in our application process.
Senior Business Systems Analyst in London employer: Epsilon
Contact Detail:
Epsilon Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Business Systems Analyst in London
✨Tip Number 1
Network like a pro! Reach out to current employees at Epsilon or similar companies on LinkedIn. A friendly chat can give you insider info and might even lead to a referral, which is always a bonus!
✨Tip Number 2
Prepare for the interview by brushing up on your SQL and data warehousing concepts. We want to see you confidently tackle technical questions, so practice explaining complex ideas in simple terms—this will show off your communication skills!
✨Tip Number 3
Showcase your problem-solving skills during interviews. Think of examples where you've tackled data challenges or improved processes. We love hearing about how you’ve made an impact in previous roles!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining our team at Epsilon.
We think you need these skills to ace Senior Business Systems Analyst in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Business Systems Analyst role. Highlight your experience with data onboarding, SQL skills, and any relevant projects that showcase your ability to translate business requirements into technical specifications.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about data and how your background aligns with our mission at StudySmarter. Don’t forget to mention your experience in the AdTech industry if you have it!
Showcase Your Communication Skills: Since this role involves liaising with clients and cross-functional teams, make sure to demonstrate your strong written communication skills. Use clear and concise language in your application to reflect your ability to articulate detailed specifications.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at Epsilon
✨Know Your Data Inside Out
As a Senior Business Systems Analyst, you'll be dealing with complex client data. Make sure you brush up on your data warehousing concepts and SQL skills before the interview. Be ready to discuss how you've onboarded and automated data in previous roles, and think of specific examples that showcase your expertise.
✨Translate Requirements Like a Pro
You'll need to translate business requirements into technical specifications, so practice articulating how you've done this in the past. Prepare to explain your process for creating structured documentation and how it has helped developers implement solutions effectively.
✨Show Off Your Problem-Solving Skills
With a strong analytical mindset being crucial for this role, come prepared with examples of how you've tackled complex data challenges. Think about times when you've had to analyse datasets or conduct code reviews, and be ready to share your thought process and outcomes.
✨Build Relationships, Even in the Interview
Since this role involves liaising with clients and cross-functional teams, demonstrate your communication skills during the interview. Be personable and engage with your interviewers—show them that you can build strong relationships and work collaboratively to achieve goals.