Available for new challenges

JIT
SAHA

Head of IT & Client Aftercare · Cloud & Infrastructure Leader

8+ years architecting cloud environments, leading cross-functional teams, and delivering enterprise-grade IT solutions across AWS & Azure. From network cables at Taj Bengal Hotel to multi-cloud MSP leadership at V4One UK.

8+
Years exp.
500+
Endpoints
99.9%
Uptime SLA
41%
Cost reduction
2017
2019
2022
2023
2024
Now
See My Journey Get In Touch

From Networks to
the Cloud

Oct 2017 – Apr 2019 · Kolkata
Microsence India @ Taj Bengal Hotel
Network Administrator
Managed enterprise-grade network infrastructure for a 5-star hotel, ensuring 24/7 high availability. Configured Cisco switches, routers & wireless APs. Implemented VLAN segmentation separating guest and corporate networks. Performed firmware upgrades & proactive network optimisation.
CiscoVLANWirelessNetworking
May 2019 – Jan 2022 · Remote / US Clients
Wipro Limited
Senior Technical Associate
Delivered L2/L3 remote technical support to US-based enterprise clients. Managed Active Directory, DNS, DHCP, VPN & firewall configuration. Performed root cause analysis for recurring incidents and maintained high customer satisfaction scores through rapid SLA resolution.
Active DirectoryL2/L3 SupportSLAWindows Server
Feb 2022 – Jul 2023 · V4One UK
V4One UK
SME – IT Administrator
Provided expert managed IT and telecoms support. Handled email migrations (IMAP, Office 365), remote IT support, CCTV, intercoms, patch management across Windows, Mac OS & Windows Server, and early cloud work on AWS & Azure.
Office 365AWSAzurePatch Mgmt
Aug 2023 – Aug 2024 · V4One UK
V4One UK ↑ Promoted
Manager – Desk Support
Led a team of IT specialists. Managed Office 365 & Windows Server environments for high availability. Standardised patch management, endpoint security (Kaspersky, Microsoft Defender), Group Policy management, and email migrations across the MSP client base.
Team LeadEndpoint SecurityGroup PolicyRMM Tools
Aug 2024 – Jun 2025 · V4One UK
V4One UK ↑ Promoted
Manager – Aftercare
Defined SLA/KPI frameworks achieving 98%+ compliance. Led onboarding and cloud migration projects for SME and enterprise clients. Managed 500+ endpoints and 15+ production servers, achieving a 41% reduction in recurring infrastructure costs. Mentored junior engineers in cloud, M365, networking & security.
SLA/KPICloud MigrationMentoringCost Optimisation
Jun 2025 – Present · V4One UK
V4One UK ↑ Current Role
Head of IT & Client Aftercare
Architected and managed multi-cloud environments (AWS & Azure) supporting production workloads with 99.9% uptime. Led L3 cloud infrastructure troubleshooting including VPC design, IAM governance, EC2/VM optimisation & firewall security hardening. Orchestrated monthly billing runs, cross-functional team management, and client escalation resolution.
AWSAzureVPCIAMHead of ITPfSenseSonicWall

Trajectory

Always Climbing

2017 · Network Admin 2019 · Sr. Tech Associate 2022 · IT Administrator 2023 · Desk Support Mgr 2024 · Aftercare Manager 2025 Head of IT

Technical Arsenal

☁️
AWS & Azure
VPC, EC2, IAM, Azure AD, VM, Storage
🖥️
Windows Server
Active Directory, Group Policy, DHCP, DNS
🔒
Network Security
PfSense, SonicWall, VPN, Firewalls
🛡️
Endpoint Security
Kaspersky, Defender, Webroot, Bitdefender
🐧
Linux Admin
15+ Linux servers, bash, server lifecycle
📊
SLA Management
98%+ compliance, KPI frameworks
🔧
RMM Tools
Atera, NinjaOne, ConnectWise, Splashtop
👥
Team Leadership
Cross-functional teams, mentoring, escalations
📧
Office 365 Admin
Exchange, Teams, migrations, governance
🔄
DR & Backup
Disaster recovery planning & BCP

Certifications

🤖
Google AI Certified
Google
📋
Google Project Management
Google – Foundation
🪟
MS-900
Microsoft 365 Fundamentals
☁️
AWS Cloud Practitioner
Amazon Web Services
🖥️
Windows Server 2019
Microsoft
🌐
CCNA – Network & Routing
Cisco
🛡️
Kaspersky Endpoint Security Cloud
AT040.80
📞
Yealink IP Phone Engineer
Yealink
🔌
Grandstream Certified Specialist
Networking
🔐
Zyxel Certified Network Associate
Security

Awards

January 2023
Outstanding Contribution
Certificate of Appreciation for exceptional work in IT Support & Onboarding — recognised for going beyond the call of duty.
December 2024
Leadership Excellence
Certificate of Appreciation for Team Management & Business Growth — leading the aftercare team to new heights of client satisfaction.

Get In Touch

Phone
+91-7980113041
Location
Kolkata, India
Experience
8 Years 4 Months

Ready to build something great?

Whether it's architecting a multi-cloud environment, building a high-performance IT team, or solving complex infrastructure challenges — I'm ready to bring 8+ years of hands-on expertise to your organisation.

Send a Message