16 days ago
Belfast, United KingdomSenior / Staff+
Responsibilities
- Manage the reliability, performance, capacity, and upkeep of Oracle, OraaS, MongoDB, IBM Object Store, and Snowflake database and data environments.
- Plan, architect, and execute migrations of legacy databases and Big Data platforms from on-premises infrastructure to AWS, GDP/GCP, and private-cloud Snowflake with zero or near-zero downtime.
- Develop AI and Agentic AI solutions for telemetry monitoring, anomaly detection, automated index and query tuning, and self-healing workflows.
- Containerize and modernize database and data services using Red Hat OpenShift and container platforms.
- Maintain and validate high-availability, disaster-recovery, automated failover, and backup/restore frameworks against enterprise RTO/RPO targets.
- Build Infrastructure as Code and Python automation for DBA tasks, patch management, security scanning, access management, and release verification.
- Enforce data governance, encryption at rest and in transit, audit validation, and vulnerability remediation across database environments.
- Troubleshoot slow queries, analyze execution plans, remove memory and I/O bottlenecks, and tune distributed workloads.
Requirements
- 5–8 years of relevant experience.
- Strong experience with Oracle, OraaS, MongoDB, and Big Data technologies.
- Proven experience architecting and executing cloud database migrations to AWS and GDP/GCP.
- Experience developing or maintaining AI, Agentic AI, or Machine Learning solutions for database automation, telemetry analysis, or performance tuning.
- Advanced proficiency in Python, Shell scripting, Ansible, and Terraform.
- Strong understanding of bare-metal servers, Linux virtual machines, cloud VMs, Red Hat OpenShift, and Kubernetes.
- Expertise in database performance tuning, high availability, disaster recovery, and distributed workload optimization.
Benefits
- Hybrid working model in Citi Belfast with up to two days working from home per week.
- Full-time employment with a business-casual workplace.
- At least 27 days of holiday plus bank holidays, increasing with tenure.
- Discretionary annual performance-related bonus.
- Private medical insurance, an Employee Assistance Program, pension plan, and paid parental leave.
- Employee discounts and access to learning, development, certification, and internal training resources.
- Comprehensive health, retirement, wellness, and other employee benefits.
Tech Stack
Categories
About Citi
Citi is a public financial-services company offering consumer and institutional banking, credit cards, wealth management, treasury and trade solutions, and capital-markets services. It serves individuals, corporations, financial institutions, and governments in more than 160 countries and jurisdictions, earning interest and fee income from lending, payments, trading, and advisory. Founded in 1812 and headquartered in New York, it trades on the NYSE under the ticker C.