Description

Senior IT Operations Lead and Cloud & Solution Architect with 19+ years of experience delivering and operating mission-critical banking platforms across Europe, the Middle East, and Asia.

Currently working at ING Belgium in a cross-functional role spanning Cloud & Solution Architecture, SRE, IT Operations, DevOps, Enterprise Architecture support, Risk & Governance, and large-scale core banking transformation programs.

What I do:

Design and operate secure, scalable, and resilient cloud platforms (Azure, OpenShift, Kubernetes)

Lead DevOps and CI/CD initiatives, driving automation and deployment reliability

Architect target-state solutions aligned with enterprise standards (TOGAF)

Drive operational resilience, disaster recovery, and business continuity strategies

Ensure regulatory compliance across GDPR, PSD2, and DORA frameworks

Support banking transformation programs including core banking (Finacle), payments (ISO 20022, SWIFT)

Certifications:

Currently exploring:

Freelance / B2B contract opportunities in Cloud Architecture, Solution & Enterprise Architecture, DevOps, SRE, and Banking Transformation across Belgium, EU, and UK (outside IR35).

Industry field of expertise

Languages

English
Fluent

Workplace preferences

Can work on-site

Brussels (up to 50km)

ING Belgium,
OPS ENGINEER(Cross functional cloud / Solution / Security / Enterprise architecture, SRE & Risk
BANKING AND INSURANCE
December 2017 - Today (8 years and 6 months)
Brussels, Belgium
Led end-to-end IT operations for mission-critical banking platforms, ensuring high availability and operational stability.
Managed incident, problem, and change processes and operational efficiency.
Optimized middleware environments (WebSphere, JBoss) and automated workflows using UAC and XFB.
Designed scalable, secure, cloud-ready architectures aligned with enterprise standards.
Drove cloud migration initiatives, transitioning applications to private/hybrid cloud with minimal disruption.
Streamlined CI/CD pipelines using Azure DevOps, improving deployment reliability and speed.
Developed technology roadmaps supporting modernization and long-term architecture evolution.
Conducted impact assessments and ensured alignment with TOGAF principles and security standards.
Orchestrated disaster recovery planning and execution, strengthening resilience and continuity.
Ensured compliance with GDPR, PSD2, DORA and internal risk governance frameworks.
Supported Agile delivery, user story refinement, prioritization, and cross-team collaboration.
Provided technical leadership to development and operations teams.
ING Belgium,
APPLICATION ADMINISTRATOR
BANKING AND INSURANCE
February 2016 - December 2017 (1 year and 10 months)
Brussels, Belgium
Led requirement analysis, solution documentation, and operational readiness for Core Banking systems.
Managed incident, change, and release processes, ensuring stable operations.
Executed DR procedures and optimized middleware environments.
Supported Agile and DevOps initiatives across teams.
ING Belgium,
TECHNICAL ANALYST
BANKING AND INSURANCE
November 2011 - February 2016 (4 years and 3 months)
Brussels, Belgium
Delivered Core Banking (Finacle) enhancements, integrations, and testing.
Designed service specifications, XSDs, and integration mappings.
Conducted impact analysis and ensured architectural consistency.
Provided 24/7 operational support and managed WebSphere environments.

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Microsoft Certified: Cybersecurity Architect
Microsoft Certified: Cybersecurity Architect
Microsoft Certified: Cybersecurity Architect Expert
Microsoft
2027
Microsoft Certified: Cybersecurity Architect Expert

Check out Sundararajan's education

Sundararajan Vijayan

Cloud / Solution / Security Architect, IT Ops Lead

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