PostgreSQL Oracle Database Administrator

Atos; Andover; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Pension matched

Private medical

Income protection

Life assurance

25 days leave + holidays

Flex benefits program

Job summary

Atos is seeking a PostgreSQL database administrator with strong data modelling skills to join our team. You will own the core Postgres data store, ensure maintenance and performance, and work closely with developers to shape the data model for new feeds.

The role offers a hybrid work model with 2 days in the office and focuses on securing data, tuning queries, and coordinating changes across cloud and on‑prem environments.

Qualifications

• Strong PostgreSQL database management skills and performance optimisation.
• Experience with clustering, failover strategies and backups.
• Proficiency in data modelling, schemas, tables and views.
• Familiarity with JSON storage in PostgreSQL and related best practices.
• Ability to work with developers to define data model requirements.
• Experience with Oracle or MSSQL is a plus.

Responsibilities

• Take responsibility for the Postgres database cluster across environments.
• Monitor and tune PostgreSQL performance across cloud and on‑prem.
• Migrate data structures across instances, including offline environments.
• Own data models and lifecycle of data in the Postgres store.
• Collaborate with data engineers and scientists to ingest diverse data sources.
• Define security roles, permissions and RLS controls across environments.
• Coordinate installation and patching with the infrastructure team.

Skills

PostgreSQL DBA

Performance optimisation

Database clustering

Data modelling

JSON in PostgreSQL

Backup and recovery

Oracle / MSSQL experience

Communication with developers

Tools

PostgreSQL

Oracle

MSSQL

PostGIS

PGVector

AGE

Job description

About Atos Group

Atos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.

About Atos Group

Atos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.

The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

We are looking for a PostgreSQL database administrator with strong data modeling skills to join our team. The role includes managing a Postgres application data store across environments, whilst working closely with the rest of the development team to define the data model for new data feeds. You will be responsible for the maintenance and performance of the database and have ownership of the core data structures used within the application.

Where purpose meets career

Flexible Work Model – Hybrid approach to balance productivity and employee well‑being

Team Coaching Impact – Drive measurable contribution through strong team coaching and ownership.

Contribution / Impact – Translate strategy into measurable results through ownership, accountability, and continuous improvement.

Responsibilities

• Taking responsibility for the application PostgreSQL database cluster across multiple environments across cloud & on premises
• Monitoring and tuning to optimise PostgreSQL database performance
• Handling migration of data structures across database instances, including to offline environments
• Owning the data models and managing the lifecycle of data sitting within the Postgres database
• Working closely with data pipeline engineers & data scientists to ingest a wide range of data sources
• Managing security controls across environments, including defining roles & permissions, as well as RLS controls for the data
• Working directly with the infrastructure team to configure the installation and manage patching of the databases across all environments

Skills We Can’t Do Without

• Postgresql dba, core development / maintenance and performance optimisation (sharding, partitions). Experience with clustering, and extensions such as pgvector PostGIS, and AGE very useful.
• Additional skills in Oracle or MSSQL would also be required. Candidate should have experience in the Latest version of Oracle
• Strong PostgreSQL database management skills
• Performance optimisation – index tuning, execution plan analysis, query optimisation, data partitioning
• Backup and recovery – Capable of defining backup strategies based on environment constraints
• Clustering – Experience with managing database clusters, including handling failover strategies
• Experience with data modelling designing, creating & managing schemas, tables, and views to support the data models
• Understanding best practices for storing JSON objects within PostgreSQL
• Clear communication & ability to work collaboratively with developers to define & implement data model requirements

Essential Criteria – SC Eligibility

SC Eligible as a minimum, DV as a target, you must have lived and worked in the UK continuously for the past 5-7 years.

Location

Flexible Work Model – Hybrid working with a minimum of 2 days per week in the office, supporting productivity, collaboration, and employee well‑being.

Benefits

• Pension Scheme - contributions matched up to 10%
• Private medical cover
• Income Protection
• Life Assurance
• 25 days paid leave + National Holidays
• Flex benefits program

Diversity, Equity & Inclusion

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. As a Disability Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.