{"id":4296950,"url":"https://alion.io/job/toppan-security-oracle-database-specialist-linux-short-term-freelance-contract","title":"Oracle Database Specialist (Linux) Short-Term / Freelance Contract","company":{"id":692044,"name":"TOPPAN Security","domain":"toppansecurity.com","url":"https://alion.io/company/toppansecurity","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"freelance","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Randburg, South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Bash","optional":false},{"name":"ITIL","optional":false},{"name":"Linux","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Red Hat","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-13T11:10:59Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-14T16:33:04Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"ABOUT US\nAt TOPPAN Security, our mission is to shape a meaningful, technology-driven future by being a global leader in mission-critical identity and payment technologies.\nWe serve as the international development arm of the TOPPAN Group in the security domain, founded in 1900. TOPPAN is a trusted Japanese brand renowned for its commitment to exceptional quality. Building on this legacy, we combine bold ideas, deep sector expertise, and collaborative intelligence to deliver secure, future-ready solutions.\nOur culture is grounded in four core values: Agility, Ownership, Resilience, and a Sense of Fun. We move fast, lead with accountability, grow through challenges, and bring positive energy into everything we do.\nAbout the role\nWe are looking for an Oracle Database Specialist with strong Linux experience who will work alongside our Technical and Development teams. Responsibilities include the installation, optimisation, maintenance, and security of the company's Oracle database environments and the Linux servers they run on.\nThe role collaborates with the development team and users to enhance database performance, complete development projects on time, and support teams with any database- and server-related issues.\nWhat you will do\nInstall, configure, patch, and upgrade Oracle Database environments on Linux servers.\n\nAdminister and maintain production, test, and development Oracle databases to ensure availability, integrity, and performance.\n\nMonitor database performance and tune SQL, PL/SQL, memory, and storage using tools such as AWR, ADDM, and Oracle Enterprise Manager.\n\nDesign, implement, and regularly test backup and recovery strategies using RMAN and Data Pump.\n\nImplement and support high availability and disaster recovery solutions, including Oracle RAC and Data Guard.\n\nAdminister the underlying Linux servers (Oracle Linux / Red Hat Enterprise Linux), including storage, kernel parameters, users, services, and operating system patching.\n\nAutomate routine database and server tasks using shell scripting and job scheduling.\n\nManage database security, including user access, roles and privileges, auditing, encryption, and the application of Oracle security patches.\n\nPlan capacity and manage storage growth, including tablespaces and ASM.\n\nCollaborate with development teams on schema design, query optimisation, and database releases.\n\nPerform database migrations, refreshes, and cloning between environments.\n\nDiagnose and resolve database and server incidents, perform root cause analysis, and liaise with Oracle Support where required.\n\nMonitor day-to-day operations, report on performance, and recommend actionable improvements when necessary.\n\nReport to management on database health, capacity, risks, and project progress.\n\nCreate and maintain Oracle database and Linux server documentation, policies, and procedures.\n\nEnsure that database-related work is delivered on time and within budget.\n\nABOUT YOU\nYou have extensive hands-on experience in Oracle database administration and Linux server administration.\nYou keep up with advancements in the field, promote technological innovation, and demonstrate strong problem-solving, communication, and interpersonal skills.\nWhat we are looking for\nBachelor's degree in Computer Science, Information Systems, or a similar field.\n\nOracle certification (e.g., Oracle Certified Professional) is advantageous.\n\nAt least 5 years of experience installing, administering, customising, and optimising Oracle databases in production environments.\n\nAt least 3 years of experience installing, administering, and optimising Linux servers (Oracle Linux, Red Hat Enterprise Linux, or similar).\n\nStrong SQL and PL/SQL skills, including query and execution plan tuning.\n\nExperience with RMAN backup and recovery, and Data Pump.\n\nExperience with Oracle RAC, Data Guard, and ASM.\n\nProficiency in Linux command-line administration and shell scripting (Bash).\n\nExperience with Oracle Enterprise Manager and AWR / ADDM performance diagnostics.\n\nKnowledge of database design, security, and management best practices.\n\nFull understanding of the IT Software Development Life Cycle (SDLC).\n\nAbility to diagnose faults, incidents, and problems, and implement required changes.\n\nWhat you will bring\nExceptional communication and interpersonal skills.\n\nAn interest in keeping up with advancements in database and server technologies.\n\nA proactive approach to troubleshooting and technological innovation.\n\nExperience with ITIL and Agile methodologies is advantageous.\n\nExposure to other database platforms (SQL Server, MySQL, PostgreSQL) is advantageous.\n\nWork requirements\nWillingness and availability to travel to Botswana for approximately one week per month (2-3 weeks in total), depending on project requirements.\n\nContract type: Short-Term / Freelance Contract.\n\nTOPPAN is an Equal Opportunity Employer. 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