Senior Data Scientist

Senior Data Scientist
Location:

Hybrid – 3 days/week in London (Victoria)
Salary:

~£110k (flexible depending on experience) can go higher or lower
Clearance:

Not required upfront but must be

clearable
Team:

Reporting to the Software Team Lead, acts as de facto #2 in a growing data science team

Key Responsibilities
Design and build

cloud-based data analytics tools , not just consume them
Work on

large-scale geospatial datasets

and complex structured/unstructured data
Apply

Machine Learning

and

AI

techniques creatively to intelligence and analysis problems
Collaborate across disciplines: work closely with engineers, intelligence analysts, and non-technical stakeholders
Take ownership of delivery aspects alongside the software engineering lead
Provide

technical mentorship

to a junior but eager data science team

Tech & Skills Requirements
Python

(strong requirement)
SQL and/or Tableau

for analytics and data visualisation
Strong grasp of

software development principles

and how analytics tools integrate with backend systems
Broad data science experience, ideally including big data and

geospatial analysis
Creativity and lateral thinking in model design and data use

Ideal Background
6–7+ years of experience in data science roles
Strong academic foundation

– especially in mathematics, statistics, or computer science
Past involvement in building and delivering data products, not just conducting analysis
Experience mentoring or leading data scientists is a big plus
Curious, impactful, and comfortable interacting across technical and non-technical audiences
AI/ML-curious

candidates encouraged

Why This Role Now?
Team capacity is growing rapidly, need for a senior voice to raise delivery and technical standards
Opportunity to

shape the direction

of data science at Prevail
Exposure to

highly sophisticated government and defence clients
Chance to work with a highly experienced leadership team, including Damien (CTO) and Ali (Data Delivery Lead)
Blend of

technical influence and domain impact —ideal for someone interested in intelligence, defence, or public-sector data use

Interview Process
Technical screening – presentation of a past project
Final interview – in-person with Damien and Ali
Offer