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# Database Engineer (MongoDB, Postgres)

- **Company:** SussexDigital
- **Location:** Crawley, UK
- **Contract:** Permanent contract
- **Skills:** Application Performance Management, Bash Shell, Databases, Relational Databases, Database Design, Linux, DevOps, Monitoring of Systems, Python (Programming Language), PostgreSQL, MongoDB, Prometheus, High Performance Computing, System Availability, Grafana, Database Optimization, Database Performance, Gitlab, Kubernetes, Information Technology, Docker, Golang
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2859586171-database-engineer-mongodb-postgres

## About the Role

* 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., * 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.

## Description

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., * 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.


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