Jahed Hassan Rayhan

Results-driven Data Center Professional with 13+ years of experience in Telecom Data Center & Core sites Passive

Infrastructure Strategy, Planning, Facilities Operation Management, Governance, Vendor Management, Projects &

Service delivery in a diverse and complex range of frameworks. I believe my experience, ambitious, hardworking

nature, innovative thinking, technical understanding, ownership mentality, commitment, drive and vision in this field

may contribute to attaining organizational goals. Currently I’m leading Data Center & Cores sites Infrastructure

Operation at Banglalink, driving technical excellence and leadership toward efficiency, resilience, and sustainability for

achieving business and operational goals.

1. Data Center & Power Architecture Management Senior Manager (1.8 yrs)
(15 Dec 2023 - Continuing)

Banglalink digital communication Ltd
Area of Expertise: 
Cost and budget (0.9 yr), Operation Mangement (0.9 yr), Team Management and leadership (0.9 yr)

Duties/Responsibilities:
Managing Data Center Engineering Facility operations team for maintaining Data Center & Core sites Infrastructure operations & maintenance management for 7 X24hrs.
Planning, strategy, design, review, delivery, and operations of data center & core sites infrastructure equipment’s such as power, cooling, environment, monitoring etc.
Lead the development of policy, strategies including issues on Operation management, Risk Reduction and Disaster Recovery, Life cycle management, Capacity management, Quality management, Energy Efficiency, transformation, and modernization of data center operation & maintenance.
Coordinate with operations team, strategy team, vendor, consultant for installation, operation & maintenance and projects work with proper quality & standards to maintain consistency and reliability in services delivered.
Ensure environment, safety, security, availability, quality, and performance of the data center & core sites as per organization strategy & Industry standards.
Coordinate & ensure support to IT & Telecom node owner for data center & core sites active part issues such as Access, rollout, expansion & projects work.
Lead Analysis of existing infrastructure, electrical design, specifications, technical drawings & give suitable solutions with cost to determine the most reliable and economic power system.
Yearly budget plan for efficient Opex distribution.
Capacity planning for Capex to ensure passive equipment life cycle management and rollout expansion.
Enforced compliance processes and implement internal & external audit recommendation.
Support for contract management & tendering including, preparation of SOW, Service Level Agreements, Technical specifications, BOQ, technical evaluation for onboarding vendor for data center infra management.
Ensure SLA/AMC/change/PR/PO /PAT etc. as a part of vendor management.
Train onsite team for technical/functional, Maintain Process & policy and soft skills development perspective.
Maintain professional working relationships while placing emphasis on safety, security, cost effectiveness, stakeholders (Internal & external) satisfaction.

2. Power Architecture Management & Data Center Lead Engineer (3.8 yrs)
(1 Apr 2020 - 15 Dec 2023)

Banglalink
Area of Expertise: 
Data Center (3.7 yrs)

Duties/Responsibilities:
Lead Data Center Infrastructure operations & maintenance for 7X24hrs.Utilized operational resources to rapidly troubleshoot operational issues to determine the cause of impacted operations and work to resolve.
Design & develop efficient power system architecture & infrastructure.Analysis existing infrastructure, electrical design, specifications, technical drawings & give suitable solutions.Develop and provide implementation plan, manual and guidelines for the installation and commissioning of the power and cooling equipment.Lead installation, operation & maintenance works with proper quality, standard and in consistent with as per plan.
Manage and effectively implement end-to-end process of Vendor, FLM Risk Management methodology to ensure up-time of services with the agreed Performance Level Agreement.Prepare yearly OPEX & CAPEX Business Plan.Plan for the OPEX (in terms of power system) reduction and make proposal (OPEX reduction project) to the management.Co-ordinate with different departments, Vendor to provide necessary decisions for installation work & project support.

3. Power & Data Center Specialist Engineer (2.7 yrs)
(11 Sep 2017 - 1 Apr 2020)

Banglalink Digital Communications Limited.
Area of Expertise: 
Management (2.6 yrs), Operation & Maintenance (1.4 yrs), Project Management/ Co-ordinator (1.4 yrs)

Duties/Responsibilities:
Managing Power distribution , Infrastructure operations & maintenance of data center, regional sites. Design & Develop efficient power distribution system architecture & infrastructure. Lead the infrastructure new setup, modernization, consolidation, evacuation , Power distribution system installation & electrical project . Analysis existing infrastructure, electrical design, specifications, technical drawings & give suitable solutions and estimating proper cost. Evaluation of design,Develop and provide implementation plan, provide guidelines for the installation and commissioning of the power and infrastructure setup. Supervise installation, operation & maintenance works with proper quality & applying appropriate project management standards. Power & infrastructure E2E operational Acceptance & Quality Inspection. Ensure a full Preventive maintenance plan for smooth Power operation. Manage and effectively implement end-to-end process of Vendor, Risk Management methodology to ensure up-time of services with the agreed Performance Level Agreement. Prepare BOQ, RFP document, Technical evaluation & process vendor bill. Identifying and rectifying power & infrastructure related problem areas for ensure uninterrupted operations of Core site. Prepare monthly, yearly OPEX & CAPEX budget. Plan and make proposal of OPEX reduction project to the management. Prepare weekly and monthly report on operational activity. Up to date power distribution systems ,SLD,infrastructure diagrams and site profile database. Co-ordinate with different departments, stakeholder to provide necessary decisions, support for installation work.

4. Sr. Network Engineer, (0.8 yr)
(5 Dec 2016 - 5 Sep 2017)

System Solutions & Development Company Ltd. (SSD-TECH)
Area of Expertise: 
Electrical/ Electronics (0.2 yr), Management (0.2 yr), Operation & Maintenance (0.2 yr)

Duties/Responsibilities:
Handle Transmission(TX) & Power related Operation & Maintenance as a regional in charge.
Regular monitoring, perform PM & CM for Central Offices, POP.
Handle Power Related audit, site survey.
Monitoring & analysis the existing system & implementation process and use to improve on future design. 
Maintain Effective Relationships with internal & external customers. 
Assist in departmental yearly, monthly budget preparation, training etc.



5. Sr. Engineer, Power (0.8 yr)
(31 Mar 2016 - 5 Dec 2016)

Fiber@Home Ltd.
Area of Expertise: 
Operation & Maintenance (0.2 yr), Project Planning (0.2 yr), Service/ support (0.2 yr)

Duties/Responsibilities:
Perform day to day maintenance and operational activities of central offices, Data Center, pop site utility & power system.
Planning, design, analysis for new central office (CO) infrastructure setup.
Acceptance test of equipment's & prepare report.
Regular inspections of equipment and components in different work place to identify hazards, defects and rectification.
Analysis infrastructure, electrical design, specifications, technical drawings & give suitable solutions and estimating proper costs and timescales.
Ensure a full preventative maintenance plan for smooth operation.
Co-ordinate with different departments to provide necessary decisions for installation work.
Prepare site profile database & Maintain central database for equipment's & Inventory.
Maintain good communication with the Vendor for optimizing the maintenance work.


6. Engineer, Regional Operation & Power (4.1 yrs)
(4 Mar 2012 - 27 Mar 2016)

Banglalion Communications Ltd.
Area of Expertise: 
Operation & Maintenance (1.3 yrs), Planning (1.3 yrs), Telecommunication Engineer (1.3 yrs)

Duties/Responsibilities:
Managing CTG regional Office,BTS & Data Center Operation & Maintenance for 7x24 Hrs.
Power System Optimization & Upgrade AC/DC power System. Core equipment’s (switch, firewall, router, KBM etc) hardware & Power equipment’s Commissioning & installation in Data Center.
Acceptance of power system equipment’s such as generator set, rectifiers, ups, inverters, Batteries in accordance with company standard and policy.
Prepare MOP (Method of procedure) for power system related PAR work & Execute the CTG Data Center related all PAR work.
Supervised Power System and Civil works implementation.
Maintain effective relationships with Vendor, NOC, core, TX, BSS, and Support team, SCM, Accounts & Admin dept. for smooth operation.