Viridien () is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges. Job Details Viridien is seeking a Database Engineer to design, maintain, and optimise database platforms that support global production systems and high-performance computing workloads. This role focuses on managing Mongo DB and relational database environments, ensuring they remain secure, scalable, and highly available. You will work closely with software and infrastructure teams to improve database performance, support business-critical applications, and drive continuous improvements across the data platform. About The Team You will join a team responsible for managing the database platforms that underpin Viridien's global software and HPC environments. The team works closely with software developers, infrastructure engineers, and operations teams to deliver reliable, scalable, and high-performing database services that support data-intensive applications across the business. Key Responsibilities-Database Administration Manage, maintain, and support Mongo DB and relational database environments. Install, configure, and administer Mongo DB sharded clusters and replica sets. Support Postgre SQL environments, including day-to-day administration, backup, and recovery.-Performance & Optimisation Monitor database health, performance, and availability using tools such as Prometheus, Grafana, and Mongo DB Ops Manager. Analyse and optimise database performance, queries, and configurations. Develop strategies to support data growth, scalability, and high-traffic workloads.-Backup, Recovery & Reliability Implement backup, restore, Point-in-Time Recovery (PITR), and High Availability (HA) solutions. Troubleshoot database issues and ensure the reliability of production systems. Support business continuity through robust operational practices.-Collaboration & Continuous Improvement Work with development teams to improve database design and application performance. Support testing, validation, and quality assurance activities for database changes. Contribute to automation, operational improvements, and database best practices. Qualifications Required Bachelor's degree in Computer Science or a related discipline, or equivalent practical experience. Proven experience administering Mongo DB in production environments, including sharded clusters and replica sets. Experience supporting Postgre SQL or other enterprise relational databases. Experience with Mongo DB Ops Manager and monitoring tools such as Prometheus and Grafana. Strong knowledge of database 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. Preferred Experience supporting globally distributed or high-availability database platforms. Experience with database automation using Bash, Python, or Golang. Familiarity with Linux, Docker, Kubernetes, Git Lab, or Dev Ops practices. Knowledge of data modelling, schema design, and database optimisation techniques. Experience supporting databases for microservices or distributed applications. Familiarity with ANSI SQL and relational database concepts. Experience contributing to quality assurance and testing of database platforms. Why work with us?Competitive salary commensurate with experience Highly attractive bonus scheme Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program Company pension with generous employer contribution Wellbeing Unmind app – puts you in control of your mental health A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!Regular social club events, spontaneous reward events throughout the year Cycle purchase scheme Flexible Private Medical & Dental care programmes Sponsorship of visas/comprehensive relocation packages
Database engineer (mongodb, postgres) in Oxford employer: Anonymous
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