DATABASE ADMINISTRATOR

Responsible for the availability, performance, security, andintegrity of the system’s production and non-production databases, primarilyIBM Db2 and PostgreSQL. Supports application teams, infrastructure teams, andvendors to ensure databases are stable, recoverable, and meet agreed SLAs. Key Responsibilities: Administration & Operations Install, configure, upgrade, and patch Db2 and PostgreSQLinstances (on-premises, VM, or cloud, e.g. AWS RDS/Aurora PostgreSQL) Monitor database health, capacity, and performance, and acton alerts Manage users, roles, privileges, and access controls Perform routine maintenance such as reorg, runstats, vacuum,reindexing, and storage management Support L2/L3 incidents and problem management, includingroot cause analysis Performance & Optimisation Analyse and tune slow queries, indexes, execution plans, andconfiguration parameters Work with developers on schema design, query optimisation,and data model changes Plan capacity and recommend scaling or archiving strategies Security & Compliance Apply database hardening, encryption (at rest and intransit), and audit logging Remediate database vulnerabilities and apply securitypatches per policy Support audits and provide evidence for compliancerequirements Change, Release & Migration Review and execute database changes and deployments throughchange management Support data migration, version upgrades, and cloudmigration activities Maintain runbooks, standard operating procedures, anddatabase documentation Vendor & Stakeholder Coordination Coordinate with vendors (e.g. IBM) on support cases andlicensing Report on database performance, availability, and capacityin service reviews Qualifications: Diploma or Bachelor’s degree in IT, Computer Science, or arelated field (or equivalent experience) 4-7 years of hands-on DBA experience in productionenvironments Strong experience with both IBM Db2 (LUW) and PostgreSQL Proven experience in backup and recovery, replication,HA/DR, and performance tuning Experience with Linux (RHEL preferred) and shell scripting Preferred certifications: IBM Certified DatabaseAdministrator (Db2), PostgreSQL certification (e.g. EDB), AWS CertifiedDatabase Specialty, ITIL 4 Foundation Skills: Strong SQL skills and database internals knowledge Scripting and automation (Bash, Python, Ansible) for routinetasks Familiarity with monitoring tools (e.g. Prometheus, Grafana,CloudWatch, pgAdmin, Db2 monitoring tools) Working knowledge of cloud platforms (AWS) and containerisedenvironments Familiarity with ITSM tools (e.g. ServiceNow) and changemanagement processes Strong troubleshooting skills, attention to detail, andclear communication Calm and effective under pressure during incidents