Information Technology Security
Resume:
MAZHAR UL BARI
• WORK AUTHORIZATION STATUS: GREEN CARD HOLDER (AUTHORIZED TO WORK WITH ANY EMPLOYER IN THE US)
• MOBILE: +1-951-***-**** • EMAIL: **********@*******.*** •ADDRESS: 1224 KENDRICK COURT, CORONA, CA. 92881
•WILLING TO RELOCATE: YES •LINKEDIN: HTTP://WWW.LINKEDIN.COM/IN/MAZHARULBARI INTRODUCTION:
An accomplished Technology Infrastructure Manager with over 20 years of comprehensive experience in designing, deploying, and maintaining enterprise IT infrastructure. Expertise in virtualization, storage, networking, email systems, security tools, high availability, disaster recovery, backups, and business application management. Proven ability to lead cross-functional teams, optimize infrastructure performance, and implement robust security and compliance measures to support organizational growth and resilience.
EDUCATION:
Academic Qualifications: Professional Certifications:
- Masters of Science in Information Technology
- Bachelors of Science in Information Technology
- CISSP – Certified Information System Security Professional
- CRISC – Certified in Risk & Information Systems Control
- CISM – Certified Information Security Manager
- CISA – Certified Information System Auditor
- Certified in Cyber Security – CC (ISC)
- CertNexus – CyberSec First Responder
- Sangfor Certified Technical Professional - NGAF
- VCP – DCV (Datacenter Virtualization - 5,6)
- MCSA – Microsoft Certified Solutions Associate
- MCITP – EA -- Enterprise Administrator
TOOLS & SOFTWARE:
HARDWARE: SOFTWARE & OTHER TOOLS:
- Storage Systems (IBM & DELL)
- IBM, HP, Dell, Sangfor Servers
- Sangfor – NGAF, IAM
- IBM Blade center Solutions
- Microsoft Azure Global Infrastructure
- Amazon Elastic compute Cloud (EC2)
- Sangfor HCI Solution
- Microsoft Intune
- VMWARE vSphere
- Microsoft Windows Server Hyper-V, Active Directory, DNS, DHCP, WSUS
- Microsoft Exchange on-prem, SQL, Sharepoint, Microsoft 365
- Kaspersky Security Products, Secure Mail Gateway
- Symantec Endpoint Protection Suite & Brightmail Gateway PROFESSIONAL EXPERIENCE:
As a freelance technology specialist, I offer comprehensive services in technology infrastructure setup and management, ensuring robust and scalable IT environments. I provide tailored cybersecurity solutions to protect systems and data from evolving threats, including vulnerability assessments, firewall configurations, and intrusion detection. Additionally, I assist organizations in establishing and strengthening their information security functions through policy development, security audits, and ongoing compliance management. My goal is to deliver customized, reliable, and secure technology solutions that support your business growth and safeguard your digital assets. Assess existing IT infrastructure and security posture; identify vulnerabilities and areas for improvement.
o Ensure the operational security and resilience of the infrastructure stack, including Hyper Converged Infrastructure, Financial & Business Applications, Office 365, Microsoft Windows Servers, SQL Databases, Firewalls, Identity & Access Management, Internet Access Gateway, IP Telephony, SDWAN Network and cloud platforms. o Led the design and implementation of a multi-site virtualization environment utilizing Sangfor Hyper Converged Infrastructure, VMware vSphere, Microsoft Hyper-V, improving resource utilization and scalability. o Managed enterprise storage solutions including SAN and NAS, ensuring 99.9% data availability and optimized storage capacity planning.
o Oversaw network infrastructure, including LAN/WAN, SD-WAN, VPN, VLANs and wireless networking, maintaining optimal performance and security.
o Administered Microsoft Exchange and Office 365 email platforms, enforcing policies for security, archiving, and compliance.
o Implementation & Management of cloud-based endpoint management solution (Microsoft Intune) to manage and secure devices, applications & user identities.
o Configured and managed email security gateways (Symantec Brightmail Gateway, Kaspersky Secure Mail Gateway, Proofpoint, Barracuda) to filter spam, malware, and phishing attacks. o Deployed endpoint security tools (TrendMicro Vision One, Symantec, Kaspersky, CrowdStrike) and EDR solutions, reducing security incidents by 30%.
o Implemented and maintained IAM solutions (Active Directory, MFA), ensuring secure access across all organizational systems.
o Managed (Sangfor) internet access gateways and web filtering solutions, enforcing browsing policies and preventing data leaks.
o Developed and maintained high-availability, fault-tolerance architectures with clustering and load balancing, reducing
- HEAD OF TECHNOLOGY & INFRASTRUCTURE SECURITY ORIX LEASING PAKISTAN MODARABA MARCH 2017 – MAY 2025
- TECHNOLOGY & INFORMATION SECURITY CONSULTANT MERAKI DIGITAL ACCESS MAY 2025 – PRESENT Page 2 of 2
downtime.
o Established disaster recovery plans and conducted regular drills, ensuring rapid data restoration and service continuity. o Managed backups using Veeam and cloud backup solutions, achieving verified recovery point objectives (RPO) and recovery time objectives (RTO).
o Coordinated deployment and support of critical business applications, including AutoIBanker leasing application, Name Screening system, ERP and CRM systems.
o Perform periodic & on-demand enterprise-wide configuration assessment of Critical IT Assets. Take corrective actions to resolve all issues pertaining to network & system security. o Prepare detailed documentation and reports on security configurations, compliance status, and improvement initiatives for management review.
o Management of Primary & DR Datacenters having 60+ Server Systems & Server Operating Systems ensuring that each server has 100% uptime. Accountable for administering and maintaining the Bank's 7x24x365 enterprise-wide systems. o Management of 2000+ clients in Active Directory, Messaging, Symantec Endpoint Enterprise and Proxy Server environment.
o Manage SAN storage, zoning, LUN sizing, storage pools, RAID implementations, volume configuration, storage provisioning and allocation activities.
o Administer Brocade Director FC switches as well as blade chassis FC devices. o Management of ESXI hosts, virtual machines, Networking, Backup & Recovery of virtual environment and Manage site replication of DR data.
o Manage all technical efforts for integrating new and existing solutions from an operational perspective. o Review performance of IT systems to determine operating costs, productivity levels, and upgrade requirements. o Manages and optimizes computer, software and network systems to ensure high levels of confidentiality, integrity, and availability of the supported business applications. o Perform backups of critical servers & application, routine audits of system logs and activity on all servers and devices. Document the configuration and processes of the servers. o Install and configured new server hardware & software, supervising the installation at client end. o Available on call outside of normal work hours for any emergencies or service interruptions, major activities that require evening or weekends.
o Oversee provision of end-user services, including help desk and technical support services. o Review and scheduled releases of software updates, patches, service packs & servers tuning as necessary. o Liaison with service providers and vendors; subsequent approval development and procurement supervision and management of SLAs.
o Research on technology, beneficial for optimizing the current environment. Advice, plan, implement, and maintain subsequently.
ACHIEVEMENTS:
o Partially involved in infrastructure merger of Emirates Global Islamic Bank with Al Baraka Bank Pakistan. In this activity, we merged the existing infrastructure of both organizations including Active Directory, Messaging, Proxy Server & client- side migration. This also includes Active directory domain upgrade from Windows Server 2003 to Windows Server 2008 R2 and exchange server 2010.
o Planning and deployment of IBM Blade Center Solution, Fiber switches zoning & storage allocation for hosts. o Deployment of Symantec End Point Enterprise Suite (Antivirus, Antispam and email filtering solution) with single sign-on to provide centralized management & reporting.
o Management of servers & systems along with network components in the enterprise. o Ensuring that each system has maximum uptime.
o Perform day to day operation & administration of network components. o Resolves problems reported by end users for local and wide area networks, personal computers, networking equipment. o Provide solution to complex problems related to these systems. o Installation & Management of new servers & systems. o Troubleshoot problems with networks, DHCP, web services, and Internet services. o Monitor system logs and activity on all servers and devices. o Research on technology, beneficial for optimizing the current environment. Advice, plan, implement, and maintain subsequently.
o Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations. o Plan, coordinate, and implement network security measures in order to protect data, software, and hardware. o Operate master consoles in order to monitor the performance of computer systems and networks, and to coordinate computer network access and use.
o Design, configure, and test computer hardware, networking software and operating system software. o Confer with network users about how to solve existing system problems and train people in computer system use. o Research new technology and implement it or recommend its implementation. o Maintain an inventory of parts for emergency repairs. o Coordinate with vendors and with company personnel in order to facilitate purchases. o Resolves problems reported by end users for local and wide area networks, personal computers, networking equipment. o Installation & Management of new servers & systems. o Troubleshoot problems with networks, DHCP, web services, mail services, and Internet services. o Monitor system logs and activity on all servers and devices. o Research on technology, beneficial for optimizing the current environment. Advice, plan, implement, and maintain subsequently.
- SYSTEMS MANAGER - DATACENTER - IT SERVICES AL BARAKA BANK PAKISTAN LTD. JANUARY 2008 – MAY 2016
- NETWORK ADMINISTRATOR EASTERN GARMENTS PVT. LTD. JANUARY 2007 – JANUARY 2008
- NETWORK ADMINISTRATOR BAHRIA COLLEGE N.O.R.E – 1 OCTOBER 2002 – NOVEMBER 2006
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