Senior Oracle Database Engineer

at  LSEG London Stock Exchange Group

The London Clearing House (LCH) is a Financial Services brand within the Post Trade division of London Stock Exchange Group (LSEG) serving major international exchanges and platforms, as well as a range of OTC markets. In particular, LCH is a leading CCP in Equity and Repurchase agreement (Repo) businesses, providing clearing services for most European Government debts (refinancing/repo transactions) and Equities trading venues (Exchanges and MTFs).
The Change Delivery Team within Securities Clearing Technology department provides a range of technical services. The team is looking to onboard a senior Oracle Database Engineer to join the team to oversee and drive our Cloud migration projects. The successful candidate will be a senior Oracle SME. You will play a critical role in ensuring the efficient operation, development, and scalability of enterprise database systems, both on-premises and in the Cloud (Oracle and PostgreSQL). This role will also involve communicating and working with LSEG’s central Oracle Database Engineering team to provide strategic technical guidance for mission-critical environments.
The candidate should be an excellent communicator both verbally and in writing, i.e. knowledge sharing though direct interaction.
Key Responsibilities
Database Design & Development: Support the development team with query optimization, software deployment, and contribute to the database design and development lifecycle.
Database Management: Oversee the installation, configuration, and maintenance of Oracle and PostgreSQL databases, ensuring optimal performance and stability.
High-Availability Setup: Implement and manage Oracle RAC and Data Guard in on-premise environments, ensuring high availability and disaster recovery readiness.
Cloud RDS Management: Design, implement, and administer AWS RDS solutions for both Oracle and PostgreSQL, ensuring scalability and reliability in the cloud.
Database Operations: Handle all database administration activities for Post Trade Securities Clearing and Risk applications, including recovery, performance analysis, replication (RDS), health checks, and system tuning whilst working closely with the central Oracle DB Support Team
Performance Optimization: Collaborate with development and operations teams to tune and optimize production queries, ensuring performance standards are met.
Technical Support & Upgrades: Provide technical support for database environments and applications, including installation, database creation, upgrades, and patch management.
Capacity Planning & Scalability: Conduct capacity planning, ensuring systems can scale efficiently and perform well under load.
Security & Patching: Lead efforts in patch management, security vulnerability analysis, and the implementation of database security best practices.
Candidate Profile / Key Skills

Required:

• Bachelor’s degree in Computer Science, Engineering or related field
• 10+ years of experience in Database Administration.
• 10+ years managing both development and production database environments.
• 5+ years of hands-on experience in database design, optimization, and performance tuning.
• 3+ years of experience working with AWS, AWS Outposts including RDS administration and cloud-based database solutions.
• Proficiency in managing Oracle and PostgreSQL databases, including RAC, Data Guard, and AWS RDS.
• In-depth knowledge of application and infrastructure components, including stored procedures, query optimization, and improving code quality.
• Strong proficiency in Linux/Unix environments, including shell scripting, automation and server infrastructure management.
• Proven ability to troubleshoot and resolve complex system issues efficiently.
• Excellent communication skills in English, both spoken and written, with the ability to engage with both technical and non-technical stakeholders.
• Ability to work independently and as part of a collaborative team, effectively managing multiple priorities.

Other requirements:

• Experience in Financial or an investment banking environment.
• Ability to communicate effectively to audiences with differing levels of domain expertise (presentations, reports, justification)
• Excellent communication and collaboration skills
• Detail-oriented individual with the ability to rapidly learn new concepts and technologies.
• Strong problem-solving skills, including providing simple solutions to complex situations.
• Strong organizational skills and attention to detail with the ability to prioritize effectively, handle multiple objectives under tight deadlines, identify/ flag/resolve potential issues early on
• Takes initiative and demonstrates a high level of enthusiasm.
• Supports the team to deliver projects and activities.
• Adheres to applicable risk control frameworks, policies and procedures
• Manages own workload and promotes an inclusive and open culture
• Must be a strong team player

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.
Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.
LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.
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