{"id":2161097,"url":"https://alion.io/job/crossjoin-junior-database-administrator","title":"Junior Database Administrator","company":{"id":3843770,"name":"Crossjoin","domain":"crossjoin.com","url":"https://alion.io/company/crossjoin-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Almada, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"ElasticSearch","optional":false},{"name":"MariaDB","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false}],"status":"live","first_seen_at":"2026-09-15T15:23:58Z","employer_posted_date":"2026-09-15","last_verified_at":"2026-10-15T05:25:33Z","board_verified":true,"closed_at":null,"days_open":29,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":29},"description":"Crossjoin Solutions, founded in 2009, is a Portuguese IT company serving over 30 clients across Europe, Latin America, and North America. Through our services, we support tens of millions of consumers in numerous countries worldwide..\nWe provide consulting services across a broad range of sectors reliant on information systems, including banking, insurance, healthcare, automotive, finance, and telecommunications. Our expertise covers end-to-end performance optimization, enterprise testing, major incident troubleshooting and resolution, full-stack architecture advisory, continuous integration, deployment acceleration, and infrastructure managed services.\nYou will be integrated in our Academy!\nAt this Academy, you will be challenged with intensive training, both theoretical and in realistic labs, so you can be ready for Crossjoin's projects. Here, you’ll not only sharpen your technical abilities but also refine your soft skills, preparing you to face real-world challenges.\nRequirements:\nBachelor’s or Master’s degree in Computer Science or a related field\n\nNo prior professional experience required\n\nStrong resilience in problem-solving and performing under pressure\n\nHigh level of autonomy and sense of responsibility\n\nExcellent organizational and time management skills\n\nEffective communication skills\n\nResponsabilities:\nInstall, configure, upgrade, maintain and Administrate open-source databases (PostgreSQL, MySQL/MariaDB, ElasticSearch, MongoDB, etc.).\n\nEnsure high availability, backups, replication, and disaster recovery.\n\nMonitor performance, tune queries.\n\nApply security patches, manage access, and enforce data protection.\n\nAutomate routine tasks and maintain monitoring/alerting systems.\n\nDocument environments, procedures, and best practices.\n\nEvaluate and implement improvements for reliability, scalability, and cost.\n\nWe offer:\nHealth Insurance (also available for your immediate family)\n\nCrosser Assistance Program (support in psychology, psychosocial, financial, legal, and nutrition matters)\n\nStructured Individual Development Plan (IDP)\n\nTransparent company-wide Career Plan\n\nMonthly gym subscription\n\nRegular team-building events\n\nReady to kick off your career as a Junior Database Administrator? 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