Ramasubramanian Narayanan

About Ramasubramanian Narayanan

As a dynamic IT & Infrastructure Services Professional, I have played various roles and responsibilities in different domains, Homeowners Consumers Service domain (Oncourse Home Solutions); Life Science domain (AbbVie & Eisai); Banking domain (Bridge Water Associates) Consumer Goods domain (PepsiCo), Remote Infra Support domain (Kryptos), Data Center (Net4India), ISP Provider (STPI), Software Development domain (Global Software Solutions) in the past 20+ years. • In that IT experience I gained the knowledge for requirements gathering, gap analysis, configuration, custom code specifications, go-live assistance and post implementation support, issue resolution, rollouts, resource management, floor operations and monitoring, customer escalation management, vendor management, cost ownership, re-engineering the existing processes along with domain specific regulatory.• Handling architecture and technical solution team for the product along with extending post go-live and application maintenance support to the client within pre-set budgets and deadlines. • As a Proven resource, demonstrated with high Proficiency across a wide range of technologies and platforms related to software design and development, programming languages, data integration, data warehousing, data analysis and visualization tools, data storage, network connectivity and virtualization / cloud environments. • I am also experienced in data center setup, Infrastructure virtualization, Application Virtualization and Cloud adoption and Migration, Internet service provider scale networks (WAN, LAN & Security), Corp Migration and Separation Projects.(On-Prem Implementation, IaaS, PaaS, SaaS, and BaaS)• Implementing guidelines and workflow/process enhancement guidelines for new gen technology and technical road map, also Articulate communicator who can fluently speak the language of people and technology, blending technical & project management expertise with strong interpersonal and having analytical skills.

Experience

1. Sr Infrastructure Engineer

   AbbVie

   May 2025 — Present · North Chicago, IL, US

   I independently planned and executed OS, database, and application upgrades across various OT and instrument systems, collaborating with infrastructure and application teams.I supported the installation, updating, and integration of diverse facility-related technologies and monitoring platforms.I built and managed test/PoC environments, ensuring system compatibility with the existing infrastructure.I oversaw service and admin accounts for assets, maintaining accurate infrastructure mapping and architecture references. I created, maintained, and closed SLC deliverables and application support playbooks, including requirements, design documents, risk assessments, testing, and change controls. I executed tasks in alignment with GxP change management expectations, ensuring timely and accurate documentation and JIRA updates. I communicated status, risks, and decisions proactively and clearly to stakeholders. I troubleshot OT communication paths, firewall rules, and protocol issues in collaboration with Network and Cybersecurity teams. I supported network segmentation/VLAN efforts and documented related changes as part of lifecycle deliverables. I assisted with cloud-to-on-prem technology transitions as needed.I worked directly with external vendors and facilities partners to deploy and support systems, ensuring compliance and cybersecurity alignment. I translated business and technical needs into actionable tasks and documentation.

Education

• Arulmigu Senthil Andavar Polytechnic College

  Diploma of Electrical and Electronics Engineering

  1993 — 1996

• Manonmaniam Sundaranar University

  Bachelor's degree, Computer Science

  1999 — 2002

Skills

• Cisco Technologies
• Customer Service
• Dhcp
• Sql
• Powerpoint
• Microsoft Excel
• Unix
• Windows Server
• Requirements Analysis
• Software Project Management
• Servers
• Itil
• Microsoft Word
• Integration
• Sdlc
• Disaster Recovery
• Vendor Management
• Microsoft Sql Server
• Teaching
• Microsoft Office
• Windows
• Outlook
• English