Database Engineer (MongoDB, Postgres)

SussexDigital; Crawley; Hybrid; GBP 65,000 - 92,000; Full time

Job summary

Viridien / CGG in Crawley is seeking a Database Engineer to design, maintain and optimise MongoDB and relational databases for production systems and HPC workloads. You will work across software and infrastructure teams to improve performance and reliability.

The role involves managing MongoDB sharded clusters and replica sets, PostgreSQL administration, and implementing high availability strategies in a production-critical setting.

Qualifications

• Bachelor's degree in Computer Science or related discipline or equivalent practical experience.
• Proven production experience administering MongoDB, including sharded clusters and replica sets.
• Experience supporting PostgreSQL or other enterprise relational databases.
• Experience with MongoDB Ops Manager and monitoring tools like Prometheus and Grafana.
• Understand backup, recovery, PITR and High Availability strategies.
• Experience troubleshooting and optimising database performance.
• Strong analytical and problem-solving skills.
• Ability to work effectively in production-critical environments.

Responsibilities

• Manage, maintain and support MongoDB and relational database environments.
• Install, configure and administer MongoDB sharded clusters and replica sets.
• Support PostgreSQL day-to-day administration, backup and recovery.
• Monitor database health, performance and availability using monitoring tools.
• Analyse and optimise database performance, queries and configurations.
• Implement backup, restore, PITR and High Availability solutions.
• Work with development teams to improve database design and application performance.
• Support testing, validation and QA activities for database changes.

Skills

MongoDB

PostgreSQL

Bash

Python

Golang

Linux

Docker

Kubernetes

GitLab

DevOps

Data modelling

Education

Bachelor's degree in Computer Science or related discipline

Tools

Prometheus

Grafana

MongoDB Ops Manager

Job description

Viridien / CGG

Crawley

Viridien / CGG is recruiting for the role of Database Engineer (MongoDB, Postgres). Database Engineer needed to design, maintain and optimise database platforms for production systems and high-performance computing workloads. The role centres on MongoDB and relational databases, with close work across software and infrastructure teams to improve performance and reliability.

Role details

• Location: Crawley
• Working pattern: Hybrid
• Job type: Full time

What you’ll do

• Manage, maintain and support MongoDB and relational database environments.
• Install, configure and administer MongoDB sharded clusters and replica sets.
• Support PostgreSQL day-to-day administration, backup and recovery.
• Monitor database health, performance and availability using the named tools.
• Analyse and optimise database performance, queries and configurations.
• Implement backup, restore, Point-in-Time Recovery and High Availability solutions.
• Work with development teams to improve database design and application performance.
• Support testing, validation and quality assurance activities for database changes.

What they’re looking for

• Hold a bachelor's degree in Computer Science or a related discipline, or equivalent practical experience.
• Have proven production experience administering MongoDB, including sharded clusters and replica sets.
• Have experience supporting PostgreSQL or other enterprise relational databases.
• Have experience with MongoDB Ops Manager and monitoring tools such as Prometheus and Grafana.
• Understand database backup, recovery, PITR and High Availability strategies.
• Have experience troubleshooting and optimising database performance.
• Have strong analytical and problem-solving skills.
• Be able to work effectively in production-critical environments.

Additional role information

• The team supports Viridien's global software and HPC environments.
• Preferred experience includes database automation with Bash, Python or Golang.
• Familiarity with Linux, Docker, Kubernetes, GitLab or DevOps practices is preferred.
• Knowledge of data modelling, schema design and database optimisation techniques is preferred.