Database admin

• Infosys – Database admin – Managed Infrastructure Services digital infrastructure at Infosys.

Role – Lead Consultant

Technology – Database admin

Location – Brussels, Belgium

Job Description

• Infosys – Database admin – Managed Infrastructure Services digital infrastructure at Infosys.

Wanted: Global Innovators to Help Us Build Tomorrow’s Enterprise

• In this role, you will manage and support enterprise-grade databases across multiple technologies, including Oracle, Sybase, Microsoft SQL Server, PostgreSQL, DataStax Cassandra, and Couchbase, ensuring they are secure, highly available, and performance-optimized in both on-premises and hybrid environments.
• You will handle day-to-day database administration, including installation, configuration, performance tuning, backup and recovery, and storage management across relational and NoSQL platforms.

Qualifications

• Extensive hands‑on experience in enterprise database administration, with strong, demonstrable expertise in Oracle, Sybase, Microsoft SQL Server, PostgreSQL, DataStax Cassandra, and Couchbase.
• Relevant certification or equivalent industry‑recognized database certification.

Preferred

• Proven hands‑on experience administering and managing enterprise database platforms, including Oracle, Sybase ASE, Microsoft SQL Server, PostgreSQL, DataStax Cassandra, and Couchbase, covering installation, configuration, patching, upgrades, and ongoing maintenance.
• Strong understanding of database architectures and core concepts across RDBMS and NoSQL systems, including tablespaces, datafiles, filegroups, schemas, ASM, Cassandra keyspaces, Couchbase buckets, indexing strategies, query optimization, and transaction/log management.
• Extensive experience in database performance tuning and monitoring, utilizing tools such as:
• Oracle (AWR, ADDM, ASH)
• SQL Server (Query Store, Profiler)
• PostgreSQL (EXPLAIN ANALYZE)
• Cassandra and Couchbase monitoring utilities
• Execution plan analysis and SQL/query optimization across platforms
• Strong expertise in backup and recovery solutions, including:
• Oracle RMAN (full/incremental, archive log management)
• SQL Server native backup/restore
• PostgreSQL logical/physical backups (pg_dump, WAL archiving)
• Cassandra snapshots and replication strategies
• Couchbase backup and restore tools
• In‑depth knowledge of high availability and replication technologies, including:
• Oracle RAC, Data Guard, GoldenGate
• SQL Server Always On Availability Groups, Log Shipping
• PostgreSQL streaming and logical replication
• Cassandra distributed clustering and replication
• Couchbase Cross Data Center Replication (XDCR)
• Experience integrating databases with enterprise applications and identity systems, including LDAP/Active Directory for secure authentication and role‑based access control.
• Proven ability to manage databases in highly available, scalable, and hybrid environments (on‑premises and cloud platforms such as OCI, AWS, Azure), ensuring resilience and optimal performance.
• Working knowledge of ITIL processes, including Incident, Problem, Change, and Request management, with experience in documentation, CMDB updates, and SLA compliance.
• Strong troubleshooting and root cause analysis skills, addressing performance issues, locking/blocking, deadlocks, wait events, replication lag, and connectivity problems across multiple database technologies.
• Excellent communication and collaboration skills, with the ability to work effectively with application, infrastructure, and cross‑functional support teams.

Nice to Have

• Experience working with cloud database platforms, including Oracle Cloud Infrastructure (OCI), AWS, and Azure, supporting Oracle, SQL Server, PostgreSQL, Cassandra, and Couchbase workloads in hybrid and cloud‑native environments.
• Knowledge of replication, data integration, and synchronization technologies, such as:
• Oracle GoldenGate
• SQL Server Replication & Always On
• PostgreSQL logical replication
• Cassandra multi‑datacenter replication
• Couchbase XDCR (Cross Data Center Replication)
• Familiarity with database monitoring and administration tools, including:
• Oracle Enterprise Manager (OEM)
• SQL Server Management Studio (SSMS) and monitoring features
• pgAdmin and PostgreSQL monitoring utilities
• DataStax OpsCenter
• Couchbas