Hybrid Database Engineer: MongoDB & PostgreSQL Performance

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 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.