Viridien (www.viridiengroup.com) 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:We are seeking an experienced MongoDB Database Administrator to join our High-Performance Computing (HPC) Team based in Crawley, UK. Reporting to the Global Database Team Leader, the successful candidate will play a key role in supporting, administering, and managing databases that underpin critical enterprise business applications.MongoDB and PostgreSQL Expertise Required for this role.Key Responsibilities:Manage, maintain, and ensure the optimal performance, security, and availability of all databases globally.Make critical decisions under pressure to maintain database availability and integrity.Analyze database performance metrics to identify bottlenecks and optimize queries.Collaborate closely with developers to improve database efficiency and reliability.Participate in on-call rota to provide 24/7 support.Key Requirements and Experience:Master's or Bachelor's degree in Computer Science or a closely related field.Minimum of 5 years of relevant experience.Experience in the installation and configuration of MongoDB sharded clusters and replica sets.Proficiency in monitoring MongoDB database clusters using third-party tools such as Prometheus and the Grafana stack.Hands-on experience with MongoDB Ops Manager for monitoring, performance tuning, and troubleshooting.Ability to implement strategies to manage data growth and maintain database responsiveness under high traffic conditions.Experience as a database administrator, handling all stages from design and build to supporting large-scale, critical production environments globally.Expertise in MongoDB backup and restore strategies.Experience with real-time relational databases, especially PostgreSQL.Proficiency in backup and restore processes using both psql and GUI tools like PgAdmin and DBeaver.Knowledge of Point-in-Time Recovery (PITR) and High Availability (HA) strategies.Familiarity with troubleshooting database performance issues.Experience working in quality control, test suites, and quality assurance.Strong observation, analytical, and problem-solving skills.Highly motivated and eager to learn.Preferred Qualifications and Experience:Experience in scripting for database management using Bash, Golang, or Python.Knowledge of GitLab, Linux, Docker, and Kubernetes.Understanding of relational database systems, including data modeling and schema normalization techniques.Familiarity with microservices architecture and client-server applications.Some working knowledge of DevOps tools and practices (Unix, Docker, Kubernetes, Git, etc.).Basic knowledge of ANSI SQL.Why work with us?Competitive salary commensurate with experienceHighly attractive bonus schemeHybrid model and flexible working with up to 2 days at homeInitial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday programCompany pension with generous employer contributionWellbeing Unmind app - puts you in control of your mental healthA flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!Regular social club events, spontaneous reward events throughout the yearCycle purchase schemeFlexible Private Medical & Dental care programmesSponsorship of visas/comprehensive relocation packagesBank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!Relaxed dress code policy#LI-MF1#SJLearning and DevelopmentOur culture of learning and complementary approach to supported or self-guided career development, enables the design of tailored courses to suit specific needs our employees to aid personal growth in areas related to technical, commercial and personal skills, via an extensive suite of developed courses, managed through our own Learning Hub.We Care about the EnvironmentWe encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.