Salary: £65,000 - 65,000 per year Requirements: We require 12 years of experience in database administration, with strong hands-on expertise in DB2 UDB (LUW). We require practical experience administering Couchbase in enterprise environments. We require proven experience supporting business-critical or banking sector applications. We require strong knowledge of Linux/Unix operating systems. We require hands-on experience with production support, performance tuning, and high-availability architectures. We require experience working in ITSM/SLA-driven environments. We require proficiency in shell scripting and database automation. We require strong analytical, troubleshooting, and communication skills. We require excellent communication and interpersonal skills, with the ability to build rapport and trust with clients. We require a strategic mindset with the ability to develop and execute innovative solutions. We require strong understanding of technology trends and market developments. We require the ability to work collaboratively with cross-functional teams. We require a degree-level education or equivalent. Responsibilities: We administer and support large-scale DB2 UDB (LUW) databases in production and non-production environments. We perform installation, upgrades, fix packs, and patching for DB2 instances. We manage instances, databases, schemas, table spaces, buffer pools, and database objects. We implement and manage backup and recovery strategies using disk and TSM. We execute database recovery activities including point-in-time and roll-forward recovery. We support DB2 HADR and HACMP environments and participate in failover and disaster recovery testing. We install, configure, and administer Couchbase clusters in production and non-production environments. We manage Couchbase features including XDCR, bucket configuration, replication, rebalance, and failover. We support large Couchbase deployments handling TB-scale data volumes. We implement user management and RBAC for database security. We monitor Couchbase environments using Couchbase Web Console, Icinga, Grafana, and Prometheus. We work with REST APIs for Couchbase administration and automation. We automate routine operational tasks using Shell scripting and Ansible. We troubleshoot complex production issues, perform root cause analysis, and drive permanent fixes. We collaborate with cross-functional teams and provide mentoring and technical guidance to junior team members. We ensure adherence to enterprise change management, incident management, and compliance processes using tools like ServiceNow. Technologies: Ansible Grafana Icinga Support ITSM Linux Prometheus REST RBAC Security ServiceNow Unix Web DMS More: We are Zensar, a leading digital solutions and technology services company that partners with global organisations across industries on their digital transformation journey. Our Return on Digital strategy helps customers go beyond current investments and realise visible business benefits. We offer a workplace where associates can realise and contribute to their full potential, be recognised for the impact they make, and enjoy working with the people around them. This role is for a senior Database Administrator supporting mission-critical enterprise databases across production, development, and test environments, with a strong focus on stability, performance, high availability, and continuous improvement. last updated 20 week of 2026