VINU CHACKO
Deal,UK
Summary
Experienced Network & Systems Engineer with over 10 years of expertise in designing, implementing, and managing secure, high-availability network and IT systems across multi-site environments. Proven track record in troubleshooting complex technical issues, optimising system and server performance, and ensuring business continuity.
Strong background in Fortinet security solutions, including FortiGate and FortiManager, with hands-on experience in firewall deployment, network segmentation, and security optimisation. Proficient in enterprise networking and systems technologies, including Cisco switches, VLANs, VPNs, wireless controller configuration, server administration, and storage management across multi-site infrastructures.
Skilled in Microsoft 365 Exchange Online administration, including Outlook configuration, mail flow and filtering, Active Directory management, Windows Server administration, SharePoint and OneDrive management. Experienced in 1st and 2nd line support, leading infrastructure projects, managing system updates and security policies, and maintaining secure, high-performance IT operations.
Overview
13
13
years of professional experience
Work History
First Line IT Support
GWT (Media)
Maidstone, Kent
01.2024 - 08.2025
- Administered and supported Microsoft 365 (M365) services including Exchange Online, SharePoint Online, OneDrive, Teams, Intune, and Azure AD within a multi-site business environment.
- Configured and maintained M365 tenant security settings, user policies, MFA, Conditional Access, and license management to ensure secure and compliant operations.
- Provided 1st and 2nd line technical support to end users via email, phone, and remote support tools, resolving issues related to Outlook, Teams, SharePoint, OneDrive, and Windows systems.
- Managed user accounts, group memberships, permissions, and onboarding/offboarding processes in Azure AD and M365.
- Configured and maintained SharePoint sites, document libraries, and access permissions to support internal collaboration and document control.
- Diagnosed and resolved OneDrive sync issues, mailbox problems, Teams connectivity issues, and authentication-related incidents.
- Installed, configured, and maintained desktop PCs, laptops, printers, and associated peripherals, including hardware troubleshooting and replacement.
- Supported deployment and redeployment of IT equipment, including imaging, configuration, and software installation in line with company standards.
- Maintained and supported UniFi wireless controllers and Wi-Fi access points, managing SSIDs, channel optimization, and secure wireless access.
- Configured and supported DrayTek routers, VLANs, and VPN connections to ensure secure remote connectivity and network segmentation.
- Liaised with third-party vendors and service providers for hardware procurement, ISP coordination, and escalation of technical issues.
- Assisted in maintaining IT documentation, service desk records, and technical procedures to ensure accurate knowledge sharing and efficient support operations.
IT Administrator
LuLu International Exchange B.S.C
01.2019 - 01.2024
- Strong knowledge and troubleshooting skills in network security environments and WAN connectivity within companies, including connections between head offices and branch offices, LANs, data centers, design labs, remote access, and worker areas.
- Develop, maintain & publish information security policies, standards & guidelines.
- Create & manage a unified & flexible control framework to integrate & normalize changing requirements resulting from global laws, standards & regulations.
- Implement internet services and firewalls as per design specifications.
- Support security incident response and co-ordinate SMEs.
- Vulnerability scanning and remediation co-ordination.
- Maintain the company’s IT asset database.
- Configure and manage Microsoft 395 services including Exchange Online, SharePoint, Teams, and OneDrive, ensuring seamless collaboration and communication across client organizations.
- Manage limited areas of Azure Active Directory, implement multi-factor authentication (MFA), and optimize user access across remote work environments and branch offices.
- Financial companies
Team Leader Network
LuLu Forex Pvt. Ltd
01.2017 - 01.2019
- Hands-on work experience on the mentioned devices Cisco Catalyst 3550, 2990 Switches, Juniper SRX and SSG350, Fortimanager, fortigate Firewalls and Cisco M100V.
- Plan and execute in depth technical activity, influencing the direction of activities/plans and providing technical insight and guidance to the team members.
- Managing Active Directory, group policy configuration, Windows, Office 395, and other common desktop and cloud applications.
- Utilized ManageEngine ServiceDesk to design and manage a robust ticketing system, optimizing incident and request handling processes for enhanced IT service delivery.
Network Engineer
Secure solutions Pvt Ltd
01.2015 - 01.2016
- Implementation and configuration for FortiManager, FortiLoadBalancer, FortiMail, FortiAnalyzer, FortiGate, FortiAPs, FortiToken, FortiClient, FSSO, IPSEC, VPN, tunnels, FortiGate, global, endpoint, services, IKE.
- Implement and configure high availability (HA) and redundancy solutions for critical network security environments.
- Configure FortiGate firewall policies, maintain VPN solutions (SSL and IPSec VPNs).
- Design and implement network segmentation and Analyze network traffic logs.
- Perform routine maintenance, software updates, and patches for Fortinet devices.
Network Engineer
Linknet Solutions Pvt Ltd
01.2013 - 01.2015
- Interact with Client and Field Engineers to configure routers, switches and firewalls.
- Administration of access & backbone networks and documentation tasks.
- Can serve as support team responsible for configuring maintaining and troubleshooting Cisco, Hp, DLink routers, switches, firewall, wireless, utm and other enterprise level network hardware.
Education
Diploma - hardware and networking
Zion- institution
United Kingdom02.2026
Higher Secondary Education -
Board of Higher secondary
SSLC -
Kerala State Public Board of Examination
Skills
- Networking devices configuration (Routers, Switches, VLANs)
- Cisco device management
- VPN solutions management (IPSec / SSL)
- High Availability (HA) implementation
- UniFi wireless controller & Wi-Fi configuration
- Microsoft 365 administration (Exchange Online, Teams, SharePoint, OneDrive, Intune)
- Azure Active Directory (Entra ID) & Active Directory management
- Identity & Access Management (IAM), MFA & Conditional Access
- SharePoint configuration & permissions management
- User lifecycle, license & group management
- 1st & 2nd Line Technical Support (Remote & Onsite)
- Ticketing system management & SLA handling
- Hardware installation, deployment & redeployment
- Firewall implementation & Fortinet products configuration
- Network security troubleshooting
- Vulnerability scanning & risk mitigation
- Information security policy development
- Providing IT products & services aligned to business needs
- Creating and distributing technical documentation, guidelines & procedures
Language
English
Hindi
Malayalam
References
- Hussain Al - Hassan, Public Relationship Officer, +973 66396002, hussain.hassan@bh.luluexchange.com
- Toncy Eapen, Head of Operations, +973 66396022, toncy.eapen@bh.luluexchange.com
Interests
- Traveling, gaming, and technology exploration
Timeline
First Line IT Support
GWT (Media)
01.2024 - 08.2025
IT Administrator
LuLu International Exchange B.S.C
01.2019 - 01.2024
Team Leader Network
LuLu Forex Pvt. Ltd
01.2017 - 01.2019
Network Engineer
Secure solutions Pvt Ltd
01.2015 - 01.2016
Network Engineer
Linknet Solutions Pvt Ltd
01.2013 - 01.2015
Diploma - hardware and networking
Zion- institution
Higher Secondary Education -
Board of Higher secondary
SSLC -
Kerala State Public Board of Examination