Core Banking Infrastructure Engineer

Company: Barclays

Location: Bengaluru

About the Role

As a Service Engineer, you will play a key role in supporting applications end-to-end, enhancing capabilities, and delivering continuous improvement of core banking platforms. You will be responsible for ensuring the resilience, performance, and integrity of critical systems while contributing to strategic change and operational excellence within the technology function. The purpose of this role is to build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required, with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.

Key Responsibilities

• Application Support & Service Delivery:
• Leading and providing end-to-end L2/L3 support for core banking applications, ensuring adherence to service level agreements (SLAs) and operational KPIs.
• Proactively monitoring system health, managing incidents and service requests, and ensuring high availability of business-critical services.
• Driving End to End Automation:
• Leading the implementation of end-to-end CI/CD automation using GitLab, Jenkins, and Nexus, reducing manual effort while improving deployment consistency, security, and release efficiency.
• Containerisation, Kubernetes & EKS Engineering:
• Hands-on proficiency in containerisation, including Docker and Kubernetes/EKS, with the ability to troubleshoot workloads, optimize cluster performance, and design/maintain Helm charts.
• Maintenance & Continuous Improvement:
• Supporting ongoing maintenance activities including defect resolution, patching, and platform upgrades.
• Driving continuous improvement initiatives to enhance application stability, performance, and scalability in line with Barclays’ strategic technology objectives.
• Change, Release & Environment Management:
• Managing application changes through the Barclays change governance framework, ensuring controlled and compliant deployments across environments.
• Supporting release activities with minimal disruption to production services.
• Incident, Problem & Root Cause Analysis:
• Leading incident triage, performing root cause analysis, and implementing permanent fixes.
• Contributing to problem management processes to reduce recurring incidents and improve system resilience.
• Stakeholder Collaboration & Demand Support:
• Working closely with business users, development teams, and infrastructure partners to manage demand, prioritize enhancements, and support delivery of the application backlog and strategic initiatives.
• Operational Excellence & Process Optimisation:
• Identifying opportunities to streamline processes, automate repetitive tasks, and implement best practices to improve operational efficiency and user experience.
• Risk, Compliance & Controls:
• Ensuring compliance with internal policies, regulatory requirements, and audit standards.
• Supporting risk management activities including controls monitoring, incident reporting, and documentation (e.g., RCSAs, records inventory).
• Environment & Infrastructure Coordination:
• Collaborating with infrastructure, database, and middleware teams to manage application environments, capacity planning, and performance tuning.
• Business Continuity & Resilience:
• Supporting disaster recovery planning, failover testing, and continuity processes to ensure minimal disruption to critical banking services.
• Build Engineering:
• Development, delivery, and maintenance of high-quality infrastructure solutions to fulfill business requirements ensuring measurable reliability, performance, availability, and ease of use. This includes the identification of appropriate technologies and solutions to meet business, optimisation, and resourcing requirements.
• Incident Management:
• Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages.
• Using data to drive down mean time to resolution.
• Automation:
• Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilizing software scripting/coding disciplines.
• Security:
• Implementation of secure configurations and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorized access.
• Teamwork:
• Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data-driven approach.
• Learning:
• Staying informed of industry technology trends and innovations, and actively contributing to the organization's technology communities to foster a culture of technical excellence and growth.

Requirements & Tech Stack

• Domain: Banking & Financial Systems
• Technical Skills:
• AWS
• GitLab
• Jenkins
• Terraform
• Ansible
• Kubernetes
• Nexus
• Python or PowerShell or Any scripting Language
• Windows/RHEL
• Good-To-Have:
• Datadog
• Snyk or SonarQube
• ServiceNow/JIRA/Confluence
• Java
• Safe Agile
• Knowledge of Fiserv suite of applications

Qualifications

• Strong understanding of ITIL practices (Incident, Problem, Change Management)
• Experience working within regulated financial services environments.
• Ability to manage competing priorities in a high-pressure production support environment.
• Effective communication and stakeholder management skills.
• Continuous learning mindset to adapt to evolving banking technologies and platforms.
• Requires in-depth technical knowledge and experience in their assigned area of expertise.
• Thorough understanding of the underlying principles and concepts within the area of expertise.
• Demonstrates understanding of how areas coordinate and contribute to the achievement of the objectives of the organization sub-function.
• Makes evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolves problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.
• Guides and persuades team members and communicates complex / sensitive information.
• Acts as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organization.