Senior Data Analyst

Remote (based in UK)

What it's like to work at Landmark:

At Landmark, you'll find a friendly, dynamic, and supportive team that values bold ideas, big dreams, and active curiosity. We foster a culture of innovation, encouraging everyone to contribute to the development and direction of our products and services, while continuously seeking new and efficient ways to work.

Collaboration and sociability are at the heart of what we do, and we take pride in coming together to achieve great things.

We offer a range of benefits to support your well-being and career growth, including:

• Competitive Salary
• Generous Holiday Allowance: 25 days' holiday plus bank holidays, with the option of adding up to 5 additional unpaid leave days per year
• Annual Lifestyle Allowance: £300 to spend on an activity of your choice
• Pension Scheme: Matched up to 6% for the first 3 years, and up to 10% thereafter
• Private Health Insurance: Provided by Vitality
• Group Income Protection Scheme
• Charitable Fundraising: Matched funding for your efforts
• Cycle to Work and Gym Flex Schemes
• Internal Coaching and Mentoring: Available throughout your time with us
• Training and Career Progression: A strong focus on your development
• Family-Friendly Policies
• Free Parking

Join us at Landmark and be part of a team that supports your ambitions and growth, both personally and professionally.

The Opportunity

Join one of the UK Government’s most ambitious digital data transformation programmes, reshaping how Local Authority Land Charge data is managed across England and Wales. We’re looking for a Senior Data Analyst to play a pivotal role in this national initiative, helping to unify and modernise land data into a centralised, digital system maintained by HM Land Registry.

You’ll lead the transformation of complex, multi-source datasets, both digital and manual, into a standardised schema. You’ll work across multiple Local Authorities daily, ensuring data quality, accuracy, and consistency throughout the process.

This is a senior technical role where you’ll act as a subject matter expert, guiding the team through challenges such as dispersed geometries, manual data validation, and transformation accuracy. You’ll also mentor junior analysts and coordinators, championing best practices and fostering a culture of collaboration and excellence.

What You’ll Be Doing

• Lead the transformation of diverse datasets into a unified format.
• Identify and resolve data quality issues, raising referrals where necessary.
• Perform quality control on data from manual and third-party sources.
• Analyse and interpret complex datasets using statistical and qualitative methods.
• Guide process improvements and tool enhancements.
• Compare pre- and post-transformation search outcomes to ensure accuracy.
• Maintain clear, auditable documentation of all data handling and analysis.
• Mentor and train junior team members in GIS and data analysis techniques.

About You

Essential Skills & Experience:

• Excellent communication skills across all stakeholder levels.
• Superior analytical and problem-solving abilities.
• Proven experience working with multiple and large datasets.
• Strong GIS expertise, including QGIS, ArcGIS or similar spatial software.
• Ability to determine optimal methods for data capture and transformation.
• Experience in data capture projects and quality control processes.

Desirable Skills:

• Advanced Excel proficiency.
• Experience in training and mentoring team members.
• Professional experience in GIS within a commercial or public sector setting.

About Us

Landmark Information Group holds a wide portfolio of market leading Prop-Tech (property technology) businesses that span an incredible range of markets and technology platforms across the sector. We are at the forefront of innovation and thought leadership in the property industry, being a supplier of national property-related data.

We deliver award-winning solutions to estate agency, conveyancing, surveying, lender valuations, land asset management, environmental consultancy, and Government markets. This is a chance to join the business as we make major steps forward in leveraging the latest cloud and large-scale technologies to start bringing together the entire market to a unified platform.

We are proud to be an equal opportunities employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.