Senior Database Engineer MongoDB, Cassandra

Visa; England; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading financial services company in the United Kingdom is seeking a Database Engineer to support their Database Platform Engineering team. The ideal candidate will have experience with Cassandra, MongoDB, and Redis, along with strong troubleshooting skills. Responsibilities include maintaining databases, responding to high severity issues, and ensuring continuous operation of mission-critical applications. This position offers opportunities for growth in a dynamic environment.

Qualifications

• Mid-level Production DBA experience on Cassandra, Mongo, and Redis.
• Good UNIX platform skills and understanding of security.
• Strong troubleshooting skills for database production issues.

Responsibilities

• Install, configure, monitor, and maintain databases.
• Respond to and analyze high severity calls.
• Manage capacity and reduce downtime in production environments.
• Write and maintain OS level scripts for DB automation.
• Perform proactive performance analysis and troubleshooting.

Skills

Database administration

Cassandra

MongoDB

Redis

UNIX platform skills

Troubleshooting

Communication skills

Education

Bachelor's Degree in Computer Science or related field

Job description

Overview

The Database team is part of Infrastructures Distributed Systems Division and is responsible for delivering open system database infrastructures with operational excellence being the industry leader in preventive and predictive operations driven by continuous innovation through self‑heal and automated ecosystems architecting engineering and building the reliable scalable secure available and cost‑effective database infrastructure solutions for product development partners working closely with them to use database products to best effect meeting various workload requirements being transactional analytical non‑relational or data warehouse.

Responsibilities

Support Database Platform Engineering in the development and deployment for Cassandra Mongo and Redis. This includes but is not limited to advanced to expert engineering and implementation of the following :

• Install configure monitor upgrade and maintain databases in production and non‑production environments including DR and patching activity.
• Responsible for responding to and analysing high severity calls working to resolution and providing root cause analysis.
• Planning and implementing proactive measures for reducing the down time for production environment as well as capacity management activity and reporting.
• Database administration for off the shelf and internally developed applications ensuring continuous 24x7 operation and availability in support of mission critical business applications and participating in on‑call rotation.
• Write and maintain OS level scripts for DB automation and application maintenance.
• Provide technical expertise and hands‑on support in consolidation and migration of databases to new hardware and platforms.
• Proactive and reactive performance analysis monitoring troubleshooting and resolution of escalated Level 2 and Level 3 issues.
• Work closely with Infrastructure engineering product development business operations and technical operations to ensure delivery of database services within the SLAs and performance targets.

Qualifications

• Bachelors Degree in Computer Science or other technology field or equivalent professional experience.
• Good UNIX platform skills and a general understanding of network storage tiered application environments and security.
• Mid‑level Production DBA experience on Cassandra Mongo and Redis.
• Strong record of troubleshooting database production problems and connectivity issues.
• Good interpersonal skills along with effective communication (both written and verbal) skills.
• Experience in the full suite of Mongo Cassandra and Redis will be highly advantageous.
• Previous experience in the financial industry preferred.

EEO Statement

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race color religion sex national origin sexual orientation gender identity disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.