
Senior Data Engineer - Security Cleared
About Us:
Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.
We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact.
Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors.
Past and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery lifecycle, including architecture, engineering, delivery management, user-centred design, business analysis, data, DevOps, and AI.
We operate as a collaborative and inclusive organisation that empowers our people to take ownership, innovate, and develop their expertise. As an equal opportunities employer, we are committed to encouraging equality, diversity, and social mobility, while creating opportunities for our teams to work on meaningful projects that deliver lasting impact.
About You:
You are a motivated and adaptable professional with a strong analytical mindset and a passion for using technology to solve real-world problems. You enjoy working in collaborative, agile teams and take pride in delivering high-quality solutions that make a tangible impact. With strong communication skills and a consultative approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes.
The Role:
We are looking for an experienced Senior Data Engineer to join our team here at Solirius. You will be working as part of a team, developing and delivering exciting projects with a fantastic team of technology experts.
You will be responsible for designing, developing, and maintaining data pipelines and systems that enable data analysis and machine learning. You will also collaborate with data scientists, analysts, and other stakeholders to ensure data quality and reliability.
Key Responsibilities:
- Develop Data Engineering solutions for our clients/projects
- Design and build data models, schemas to support business requirements
- Develop and maintain data ingestion and processing systems using various tools and technologies, such as SQL, NoSQL, ETL, Luigi, Airflow, Argo, etc.
- Implement data storage solutions using different types of databases, such as relational, non-relational, or cloud-based.
- Working collaboratively with the client and cross-functional teams to identify and address data-related issues and opportunities.
- Stay updated with the latest trends and developments in the data engineering field, such as modern data stack, big data technologies, cloud computing, etc
- Assist with defining the processes needed to achieve operational excellence
- Ensure data quality across all projects/clients
- Define and manage SLA’s for data sets and processes throughout production
- Lead on the design, build and launch of new data models and pipelines
Key Skills/Experience:
- Experience in operating as part of data engineering teams and independently.
- Line/Team management experience, leadership experience
- Experience of working with cloud infrastructure (Azure or AWS, GCP is beneficial)
- SQL and relational databases (e.g. MS SQL/Azure SQL, PostgreSQL)
- You have framework experience within either Flask, Tornado or Django, Docker
- Experience working with ETL pipelines is desirable e.g. Luigi, Airflow or Argo
- Experience with big data technologies, such as Apache Spark, Hadoop, Kafka, etc.
- Data acquisition and development of data sets and improving data quality
- Preparing data for predictive and prescriptive modelling
- Hands on coding experience, such as Python
- Reporting tools (e.g. Tableau, PowerBI, Qlik)
- GDPR and Government Service Standard (desirable)
- Passionate, motivated and enthusiastic about developing technology solutions.
- Experience working in an Agile development environment
- Data architecture experience.
- Active Security Clearance
- Competitive Salary
- Bonus Scheme
- Private Healthcare Insurance
- 25 Days Annual Leave + Bank Holidays
- Up to 10 days allocated for development training per year
- Enhanced Parental Leave
- Paid Fertility Leave (5 Days)
- Statutory & Contributory Pension
- EAP with Help@Hand
- Gym Membership Benefits
- Cycle to Work and Electric Vehicle schemes
- Flexible Working
- Annual Away Days/Company Socials
Diversity and Inclusion
As an equal opportunities employer, we are committed to creating a work environment that supports, celebrates, encourages and respects all individuals, where all processes are based on merit, competence and business needs.
Encouraging high social mobility is really important to us. We foster an inclusive culture by welcoming different perspectives, enabling equitable opportunities and promoting open dialogue. This commitment is reflected in initiatives such as our gender diversity group and our focus on mental health and wellbeing. Whatever stage you are at, you will find an environment where you can thrive.
Should you require further assistance or require any reasonable adjustments to be put in place to better support your application process, please do not hesitate to raise this with us.
As a Disability Confident employer, we are committed to ensuring our recruitment process is accessible and inclusive, enabling all candidates to demonstrate their skills, experience and potential.

Similar roles
Waiter/ Waitress - O2, London
TOCA Social·London, United Kingdom
TOCA Social is the world's first dining and entertainment experience with a football twist, and it’s set to change the game! Our first venue opened in 2021 in The O2, London and our second in Birmingham in 2024. We are also set to open in Westfield London, Dallas and Mexico in 2025! At TOCA Social, Everybody Plays! Football knowledge is…
- Full-time
Head of Commercial - Transport & Aviation
ABM UK·Harlington, United Kingdom
JOB TITLE: Head of of Commercial - Transport & Aviation REPORTING TO: VP Transport & Aviation LOCATION: TW6 2SF (Hybrid) SALARY: COMPETITIVE If you require any additional support or adjustments during the recruitment process, please don't hesitate to contact our Recruitment Department at . We're here to help! ROLE OVERVIEW AND PURPOSE We’re looking for a commercially strong, operationally aware…
- Hybrid
- Full-time
Business Development Representative
Thrive·Mansfield, United Kingdom
Thrive delivers upon the promise of technology by enabling our clients’ digital transformation journeys with best practices on an AI, cybersecurity and cloud focused NextGen managed services platform. Thrive’s culture is powered by diverse talent, big ideas, and a customer-first mindset—and it’s what truly sets us apart. Thrive is built for people who want more than a weekday routine. If…
- Hybrid
- Full-time
Business Development Representative
Thrive·London, United Kingdom
Thrive delivers upon the promise of technology by enabling our clients’ digital transformation journeys with best practices on an AI, cybersecurity and cloud focused NextGen managed services platform. Thrive’s culture is powered by diverse talent, big ideas, and a customer-first mindset—and it’s what truly sets us apart. Thrive is built for people who want more than a weekday routine. If…
- Hybrid
- Full-time
Configuration Manager
Safran Engineering Services UK Limited·Pitstone, United Kingdom
Join Safran Engineering Services as a Configuration Manager and become part of a growing team delivering innovative engineering solutions. Based onsite in Pitstone, you will be at the heart of configuration management activities, ensuring project data is accurately controlled and maintained throughout the product lifecycle. As a key member of the team, you will oversee the management of configuration items…
- Contract
Maintenance Officer
YMCA Fairthorne Group·Basingstoke, United Kingdom
Safe buildings. Welcoming spaces. The foundations that help people thrive. Every YMCA service relies on the spaces where it happens. Homes that feel safe. Community facilities that are welcoming. Buildings that are compliant. Gardens that are cared for. And environments where young people, colleagues and visitors can feel comfortable and secure. What the role is really about This role is…
- Full-time
Senior Principal - Energy & Utilities (London, UK)
Q5·London, United Kingdom
At Q5, we partner with several of the world’s leading energy and utilities organisations to solve complex challenges – whether it's navigating transformation, unlocking growth, or optimising performance. Our Energy, Utilities and Natural Resources practice works with C-suite clients across a broad range of businesses, from Global Supermajors, national scale utilities, small independents and high-growth PE backed businesses We’re looking…
- Full-time
Psychological Wellbeing Practitioner (PWP)
Dr Julian Medical Group·United Kingdom
Job description Sessional Psychological Wellbeing Practitioner (PWP) Self- Employed – Remote Would you like to work for an organisation on a self-employed basis, that offers flexibility and hours to suit you? Here at Dr-Julian, we are offering the option for Qualified Psychological Wellbeing Practitioners (PWPs) to come on board, and contribute to our vibrant, inclusive, innovative, and developing Team. We…
- Remote
- Part-time