Sivasubramaniyan B.
Senior Architect (Freelance)
Experience
Jul 2023 - Present
2 years 6 monthsSenior Architect (Freelance)
Multiple clients
- Led high-impact technical projects, including OS/DB migrations and advised on S/4HANA transitions, enhancing operational scalability and regulatory compliance for a global medical devices leader.
- Advised on risk management and HA/DR frameworks, strengthening business continuity and stakeholder trust.
- Provided strategic consulting on SAP landscape optimization, driving cost efficiency and operational excellence through Cloud ALM adoption.
Jul 2021 - Jun 2023
2 yearsAssociate Director
Olam Technology Business Solutions Ltd
- Directed SAP technical architecture and SAP-on-Azure practice, overseeing IT operations, vendor partnerships, and compliance to align with organizational growth objectives.
- Spearheaded S/4HANA migration to Azure across multiple entities, optimizing budgets and positioning the company for scalable expansion.
- Advised on S/4HANA transformation for the Australian subsidiary.
- Championed ITIL-based transformation and Cloud ALM integration, enhancing service delivery and operational efficiency while leading senior technical teams.
Dec 2017 - Dec 2019
2 years 1 monthManager
EY
- Oversaw SAP technical architecture practice, growing the SAP BASIS team by 300% in two years through strategic resource allocation and team development.
- Led cloud migration initiatives on S/4HANA and ECC, slashing operational costs by 60% via Azure adoption, demonstrating financial acumen and technical leadership.
- Strengthened global SAP alliances, collaborating with GTM teams to launch innovative services, boosting market competitiveness and client satisfaction.
Aug 2007 - Nov 2017
10 years 4 monthsManager
Accenture
- Architected scalable SAP solutions for global enterprises across SAP products (S/4HANA, ECC, CRM, Portal etc), managing end-to-end project lifecycles and ensuring regulatory compliance across industries.
- Established the Accenture Innovation Centre for SAP in Bangalore, driving resource allocation, technology procurement, and cutting-edge solution development.
- Led S/4HANA transformation programs, guided beta testing of S/4HANA versions 1503 and 1511.
- Led change management and stakeholder engagement, fostering a culture of continuous improvement and delivering sustained business value.
- Led SAP sales solutioning for BASIS, closing deals for shared services and implementation of SAP deployments across global entities.
Jun 2004 - Aug 2007
3 years 3 monthsSenior Technical Specialist
Infosys
- Delivered SAP implementations for North American clients, honing skills in global project execution, client relationship management, and operational support.
- Mentored teams to build technical expertise, laying the groundwork for long-term organizational success.
Sep 2001 - May 2004
2 years 9 monthsSoftware Developer
Continental Infomatics
- Modernized legacy systems as an ABAP developer, enhancing operational maintainability and aligning with business needs.
Australia
SAP Technical Advisor
Agricultural Company
- Advised on the technical aspects of consolidating current client ECC system and existing S4HANA instance.
- Designed the technical aspects of system consolidation along with archiving plans.
- Liaised with client team for finalizing technical procedures of SAP systems.
SAP Program Manager
EY Global
- Planned, led and executed 100+ SAP T&D system migration to Azure from EY and third-party data centres including S/4HANA.
- Integrated Azure systems with SAP Cloud services like IAM.
- Effectively allocated systems in Azure for cost control and utilized the savings for hosting new products.
United Kingdom
SAP Technical Manager
Largest Building Society
- Supported business unit migration onto SAP and extended support for SAP systems.
- Identified staffing requirements and statement of work for SAP technical stream for a period of five years.
- Designed and implemented ChaRM (Solution Manager toolset) for a complex landscape.
- Responsible for HA/DR testing of SAP applications and ensured they met the stipulated timeframe.
- Ensured proper configuration of the project and its deployment and live support with system integration testing before project delivery.
Switzerland
Project Manager (ISO Certification)
Leading Med Tech Client
- Driven project end to end for ISO 13485 certification.
- Lead assessee in BSI audit for ISO certification and successfully got the certification for Accenture Chennai Delivery Centre.
- Managed coordination across teams, handled delivery in Scrum methodology and mentored next level for ISO certification processes.
United States
Offshore Program Manager
Leading Medical Tech Client
- Led SAP S4HANA greenfield implementation end to end including financials, resource allocation and dependency control within and outside SAP applications.
- Provided IT strategy and architecture for effective integration of all SAP components with existing legacy applications.
- Drove technical definitions for all SAP components including architecture, requirements, design, reviews, test strategy and planning of multiple features.
- Involved in designing highly scalable architecture for the application ensuring timely and agile delivery of projects.
Singapore
SAP Technical Manager
Leading Shipping Conglomerate
- Efficiently developed and handled the roadmap and liaised with the client for upgrade of SAP CRM.
- Distributed the offshore and onshore work, coordinated with both teams and ensured issues were resolved within stipulated time.
- Maintained cost by adding and removing resources as per stages of the project.
SAP Migration Manager
Olam
- Architected and executed S/4HANA migration to Azure.
- Integrated Azure systems with On-Premise instances and SAP Ariba, Concur, BTP.
- Effectively allocated systems in Azure for cost control and utilized the savings for hosting new products.
Summary
Results-driven IT executive with over 20 years of leadership experience in steering large-scale IT operations, strategic transformations, and business growth initiatives for global enterprises in regulated industries like banking and medical devices.
I excel in aligning technology with business objectives, fostering stakeholder relationships, and driving organizational excellence. Proven expertise in strategic planning, financial oversight, regulatory compliance, and team leadership, with a strong track record of delivering scalable cloud innovations and SAP transformations.
Adept at managing cross-functional teams, optimizing resources, and cultivating a culture of operational efficiency and innovation to achieve ambitious company goals.
Languages
Tamil
NativeEnglish
AdvancedKannada
ElementaryEducation
IIM Calcutta
Senior Management Program · Senior Management Program · Kolkata, India
Anna University
Master of Technology · Technology · Chennai, India
Bharathiyar University
Bachelor of Technology · Technology · India
Certifications & licenses
AWS Solution Architect Associate
Azure System Administrator
Certified Scrum Master
ITIL v3.0
OCI Architect Professional
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