SILAMBARASAN KRISHNAN

Defined cloud architecture for both hybrid and non-hybrid cloud solutions.

Displayed sound understanding of standard networking protocols, virtual networks and load balancing.

Provided architectural leadership and guidance to technical teams to deliver robust, highly scalable and cost-effective solutions.

• Interfaced directly with customers, stakeholders and end-users regarding capability architectures, requirements use cases and stories to derive, develop and decompose next-cycle updates and specifications.
• Developed and documented system security authorization boundaries for cloud-based solutions and client applications within cloud service.
• Maintained compliance with cybersecurity regulations and measures and tracked, assessed, integrated and reported on modernization and migration processes.
• Provided solution designs to meet system strategies, capabilities and technologies and to respond to current and future business requirements.

1. UAT infra migration and modernization to Cloud

2. DC VMWare upgradation & Bare Metal upgrade

3. SQL Database HA, Auto Alerts, Performance Tunning

4. MongoDB Replica Implementation & Fine Tuning

5. DevOps & CICD Implementation

6. ISO Policy Implementation & Certification

7. SISA Certification

8. Implementation of Application Load Balancers

9. Firewall Consolidation & Upgrade

• Ensure IT systems are functioning at optimal performance
• Ensure & measure business benefits are realized out of IT initiatives
• Effectively driving change management process for ensuring smooth transition from existing system to new systems
• Establish and sustain robust communication with all relevant stakeholders for effective engagement internally and externally
• Ensure continuous development of employees and are appropriately motivated to carry out their required responsibilities
• Manage a team of Infrastructure architects and oversee end-to-end delivery of infrastructure technical solutions
• Development
• Work with Business groups to understand the functional expectations, produce solutions and documentation in collaboration with existing Information Systems team, vendor teams
• Working with business leaders to conceive, build and roll out business solutions based on existing platforms (mostly on Microsoft Technologies)
• Driving the development priorities working with the different business units
• Create/Manage architecture diagrams/plans on and around business systems and platform on CRM and Azure technologies
• Communicate technical issues/decisions effectively to wider teams by using business terms
• Review requirements, provide designs and solutions, collaborate with developers for product development and conduct technical tests and acceptance
• Provide overall delivery leadership working with Business, BAs, Tech leads, Developers, and other related teams to clarify requirements, execute end to end implementation, and meeting the timelines
• Project Management
• Ensuring Project timelines
• Coordinate with different stake holder for follow-up on timelines
• Handling Payment Switch, Reconciliation Application implementation for new & existing clients
• Handling the Project for Call center solution implementation
• Handling different level of integrations with other Systems, Designed & Implemented SD WAN for the DC and locations, Designed & Implemented Windows Hypervisor for HO DC, Database Consolidation, License optimization by utilizing the open sources OS and Applications, Effective Backup and recovery at DR site, Hybrid Cloud Implementation
• Implementation of HP Aruba self-served Wi-Fi, Saved cost of 10M by resource optimization and contract negotiation.

• ( Overvie Responsible for a staff of 52 and supporting 4500 users of 50 clients in 5 remote sites)
• Lead Chennai Wipro development centers and a remote site in Tamilnadu IS/IT Community, strategic technology initiatives to build and maintain key elements of the firm’s enterprise infrastructure and associated project portfolio, including but not limited to 24x7 data center infrastructure management and evolution, mobility and remote access services, ubiquitous wireless networks, enterprise-scale messaging environments, active directory multi-forest integration, dual-carrier global WAN, Voice Infra, and innovative end user computing solutions
• Managed 24/7 service operations and KPI compliance
• Established metrics, key performance indicators, and SLA to continually improve the performance of IT operations and for successful execution of IT projects
• Managed disaster recovery architecture and operations are in place to ensure compliance with required RPOs and RTOs during business continuity events
• Lead an diverse teams of highly talented 52 plus engineering and administration professionals to support the entire location 24X7 operations infrastructure under defined SLA/TAT
• Participate in IT strategic planning, project planning and budget planning efforts
• Analyze technology trends and develop infrastructure strategy, architecture, and delivery processes designed for agility and cost effectiveness
• Establishes and maintain strong, strategic partnerships with internal/external clients and service providers
• Coordinated with Clients on upgrade and new projects with the IT project management team (PMO) and ensured my site project deliverables, budgets, and timelines are met
• Successfully facilitated internal and external audits pertaining to IT(SSAE16, BCP, VAPT, PCI DSS & ISO 27001:2005)
• Was part of Crisis Management(P1 incident management across entity), Aside I travelled to other locations for the highly escalated problem management
• Achievements
• Complete Datacenter movement from Basement to other ODC second floor
• Ensured redundancy physical paths for all 1500+ network devices
• Achieved CSAT of all the clients
• Received the QUICK Novice Award (Organization level) for effective management of All chennai ODCs and managing the critical incidents
• 12 new clients onboarded (Network, Server, Desktops and Compliance set)
• Part of O365 Migration from Exchange
• Lead and successfully ensure the compliance requirement of all clients includes Finance, Healthcare, Mortgage, Retail

• (Overvie Responsible for a staff of 24 and supporting 2200 users of 11 clients in 3 remote sites)
• Inspire, lead, manage, and develop a highly technical and talented group of engineers(Server/Network/IT sec and Desktop) and contractors chartered with building, scaling, delivering, and maintaining the servers, storage(EMC2), VM ware, IT processes, infrastructure services, and technologies foundational for all internal business systems and global partner access
• Managed Bangalore region IT service desk
• Managed key vendor relationships, service / support contracts, license true-ups, and associated negotiations
• Internal/External stake holders management
• Keeping abreast of current and developing technologies by leveraging conferences, workshops, professional groups, and business relationships
• Working closely with Senior Management in departmental plans, policies, issues, changes, processes, and procedures
• Facilitate internal and external audits pertaining to IT(SSAE16, BCP, VAPT, & ISO 27001:2005

• Looking after development of technology roadmap, evaluation of Vendors, establishment of Business KPIs & project success factors and creation of RFPs
• Advising the organizations for program management, effective analysis & tracking of projects as well as creation of IT policies / practices
• Business Application Implementation:
• SAP Application Upgraded
• CRM Integration with call center solution
• BI Introduced for forecasting, growth rate, yearly comparison.,
• Centralized MIS with Location DB’s consolidated
• Project Management:
• Steering the successful rollout of projects with accountability of defining scope, setting timelines, analyzing requirements, prioritizing tasks, identifying dependencies and evaluating risks & issues as per pre-set budgets
• Managing multiple projects from conceptualization & visualization to technology mapping and final execution of projects; leading team members, allocating resources among team members & guiding team members during the project till final delivery
• Monitoring project progress & outstanding issues and ensuring the quality & timeliness of the deliverables; extending post-implementation support to technical team by defining standard practices
• Spearheading the effective delivery of projects comprising of cost optimization with effective use of analytical models; planning & executing analytical projects to solve business problems
• Interfacing with stakeholders to gather business requirements; conducting system analysis and finalizing technical / functional specifications & high-level design documents for the project
• Mapping the requirements and providing them best solutions involving evaluation & definition of scope of project or finalization of project requirements
• Customer Relationship Management:
• Providing support in handling escalation from clients to resolve their concerns and addressing their queries (customer advocacy) from other departments for a smooth ride for customer’s diverse issues
• Rendering support to Key Accounts Managers, analyzing customer issues, provide resolution, ensuring the pipeline scrubbed and manage the process to avoid occurrences of such issues in future
• Establishing healthy relations with internal & external stakeholders to provide support for architectural issues; keeping a close track of developments in the field of IT domain
• Service Delivery:
• Identifying & monitoring monthly metrics & KPIs, ensuring the adherence to operational standards and consistently applying them; developing & monitoring escalation processes to ensure that SLAs are achieved
• Establishing service level agreements with business units & IT stakeholders; evaluating risk, cost, resource requirements & schedules associated with projects and submitting the effective delivery opinions
• IT Infrastructure Management:
• Leading operations related to IT infrastructure by monitoring, analyzing, tuning & implementing necessary changes in resource utilization as per business priorities
• Handling datacenter and ensure 99.9%Uptime
• Handling the network operations & fault rectification for all technical problems; addressing & resolving all issues related with performance to ensure maximum network uptime
• Establishing healthy relations with internal & external stakeholders to provide support for various architectural issues; keeping a close track of developments in the field of IT infrastructure
• Call Center Technology Management including ISP’s and vendors
• Vendor Management:
• Managing the performance of suppliers by ensuring strict adherence to pre-set SLA; conducting SLA negotiation & finalization of all related infrastructure related issues
• Coordinating with suppliers to schedule timely delivery of services and related infrastructure