{"id":1637180,"url":"https://alion.io/job/viridien-database-engineer-mongodb-postgres","title":"Database Engineer (MongoDB, Postgres)","company":{"id":3854033,"name":"Viridien","domain":"viridien.com","url":"https://alion.io/company/viridien","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Crawley, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":173000,"period":"year","method":"role_country_seniority_unknown","sample_n":93},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"Docker","optional":false},{"name":"GitLab","optional":false},{"name":"Go","optional":false},{"name":"Grafana","optional":false},{"name":"HPC","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-07-22T00:00:00Z","employer_posted_date":"2026-07-22","last_verified_at":"2026-10-01T21:39:22Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"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.\nJob Details\nViridien is seeking a Database Engineer to design, maintain, and optimise database platforms that support global production systems and high-performance computing workloads.\nThis role focuses on managing MongoDB 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.\nAbout The Team\nYou will join a team responsible for managing the database platforms that underpin Viridien's global software and HPC environments.\nThe 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.\nKey Responsibilities\n-Database Administration\nManage, maintain, and support MongoDB and relational database environments.\nInstall, configure, and administer MongoDB sharded clusters and replica sets.\nSupport PostgreSQL environments, including day-to-day administration, backup, and recovery.\n-Performance & Optimisation\nMonitor database health, performance, and availability using tools such as Prometheus, Grafana, and MongoDB Ops Manager.\nAnalyse and optimise database performance, queries, and configurations.\nDevelop strategies to support data growth, scalability, and high-traffic workloads.\n-Backup, Recovery & Reliability\nImplement backup, restore, Point-in-Time Recovery (PITR), and High Availability (HA) solutions.\nTroubleshoot database issues and ensure the reliability of production systems.\nSupport business continuity through robust operational practices.\n-Collaboration & Continuous Improvement\nWork with development teams to improve database design and application performance.\nSupport testing, validation, and quality assurance activities for database changes.\nContribute to automation, operational improvements, and database best practices.\nQualifications\nRequired\nBachelor's degree in Computer Science or a related discipline, or equivalent practical experience.\nProven experience administering MongoDB in production environments, including sharded clusters and replica sets.\nExperience supporting PostgreSQL or other enterprise relational databases.\nExperience with MongoDB Ops Manager and monitoring tools such as Prometheus and Grafana.\nStrong knowledge of database backup, recovery, PITR, and High Availability strategies.\nExperience troubleshooting and optimising database performance.\nStrong analytical and problem-solving skills.\nAbility to work effectively in production-critical environments.\nPreferred\nExperience supporting globally distributed or high-availability database platforms.\nExperience with database automation using Bash, Python, or Golang.\nFamiliarity with Linux, Docker, Kubernetes, GitLab, or DevOps practices.\nKnowledge of data modelling, schema design, and database optimisation techniques.\nExperience supporting databases for microservices or distributed applications.\nFamiliarity with ANSI SQL and relational database concepts.\nExperience contributing to quality assurance and testing of database platforms.\nWhy work with us?\nCompetitive salary commensurate with experience\nHighly attractive bonus scheme\nInitial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program\nCompany pension with generous employer contribution\nWellbeing Unmind app - puts you in control of your mental health\nA flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!\nRegular social club events, spontaneous reward events throughout the year\nCycle purchase scheme\nFlexible Private Medical & Dental care programmes\nSponsorship of visas/comprehensive relocation packages\nBank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!\nRelaxed dress code policy\nLearning and Development\nAt Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.\nWe Care About The Environment\nWe 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.\nOur Hiring Process\nAt Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience.\nDue to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant. Only candidates whose qualifications closely match the role criteria will be contacted for an interview. We do, however, aim to share personalized feedback with those who progress to the first round of interviews and beyond.\nWe are also dedicated to ensuring that our hiring process accessible to all. If you require any reasonable adjustments to fully participate in the application or interview stages, please don’t hesitate to contact your recruiter directly.\nWe 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.","description_format":"text","description_chars":5820,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Continuous learning","Gym membership"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T21:39:22Z"}],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.388,"p_room":0.28,"age_days":72,"expected_fill_days":28,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-02T01:04:23Z"},"pay":null,"html_url":"https://alion.io/job/viridien-database-engineer-mongodb-postgres","json_url":"https://alion.io/job/viridien-database-engineer-mongodb-postgres.json","meta":{"generated_at":"2026-10-02T01:04:23Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1111,"day_limit":5000,"remaining_today":3889,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}