Specialist, IT Infrastructure (Database)

Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.  Specialist, IT Infrastructure (Database) Job ID: 36969 Job Level: S2 Core Job Location: Gurugram / Bangalore Function:Digital Information Office (DIO) Employment Type: Full time Working pattern: Hybrid Why we need this role We are seeking a Senior IT Infrastructure Engineer with deep technical expertise in Oracle Database and Microsoft SQL Server platforms. This role is a hands-on Subject Matter Expert (SME) responsible for designing, optimising, securing, and supporting business-critical database services across on-premises and hybrid cloud environments. The successful candidate will play a key role in ensuring resilient, secure, compliant, and cost-efficient database solutions are designed and delivered. They will contribute to technology roadmaps, driving automation, and supporting strategic initiatives such as upgrades, migrations, consolidation, high availability, disaster recovery, and cloud modernisation. What you will do Act as a technical SME for Oracle Database and Microsoft SQL Server platforms. Design, implement, and support database solutions for business-critical workloads across Production, Development, Test, and Disaster Recovery environments. Own and provide technical direction for Oracle RAC, ASM, Data Guard, GoldenGate, RMAN, and Enterprise Manager solutions. Own and provide technical direction for SQL Server Always On Availability Groups, Failover Cluster Instances, replication, log shipping, backup, recovery, and monitoring solutions. Deliver against database platform strategy and roadmap, including upgrades, migrations, consolidation, modernisation, and remediation of end-of-life or end-of-support platforms. Drive platform stability, performance, capacity, availability, and resilience, ensuring database services meet operational and business requirements. Lead complex performance tuning, troubleshooting, root cause analysis, and resolution of major incidents and recurring problems. Develop and maintain robust backup, recovery, disaster recovery, and business continuity capabilities, including regular validation and failover testing. Identify and deliver cost optimisation opportunities across database licensing, infrastructure utilisation, consolidation, storage, and support models. Develop automation and standardisation using Ansible, PowerShell, Shell scripting, Python, and Infrastructure-as-Code practices. Ensure database security through patching, vulnerability remediation, privileged access controls, hardening, encryption, auditing, and compliance evidence. Collaborate closely with application owners, operating system teams, cloud engineering teams, architecture, security, network, storage, vendors, and wider Infrastructure & Operations teams. Maintain high-quality…