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Abrar Ajmal, Infrastructure Vulnerability Specialist

Abrar Ajmal

Infrastructure Vulnerability Specialist·National Grid PLC

Great Britain (UK)

High school or equivalent, GCSEs |

Work experience

Total years of experience: 12 years, 9 months

Infrastructure Vulnerability Specialist

January 2021 - Present

National Grid PLC

Warwick, Great Britain (UK)

January 2021 - Present

• Optimized vulnerability management protocols, resulting in a 25% reduction in security incidents
• Generated 10 comprehensive vulnerability reports, improving communication of risk posture to stakeholders
• Maintained knowledge of 20 emerging threats, enhancing the vulnerability management program through integrated threat intelligence
• Designed and implemented new network vulnerability remediation process, reducing remediation time by 30% for the Enterprise Data Centre
• Mitigated vulnerabilities reducing security incidents by 30% by implementing automated monitoring tools
• Managed a network of 500 devices ensuring constant monitoring for vulnerabilities
• Elevated client risk awareness, leading to a 40% decrease in unresolved vulnerabilities
Company industry:
Utilities
Job role:
Information Technology

Infrastructure Vulnerability Specialist

January 2021 - Present

National Grid PLC,

Birmingham, United Kingdom

January 2021 - Present

• Orchestrate and implement targeted remediation strategies for high-risk vulnerabilities,
collaborating with cross-functional teams to reduce exposure by 35%.
• Generate and deliver comprehensive vulnerability assessment reports, translating
technical findings into clear risk updates for stakeholders and senior management.
• Incorporate advanced threat intelligence feeds into the vulnerability management
lifecycle, enhancing detection accuracy and incident response speed by 20%.
• Spearhead an enterprise-wide project that eliminated over 2, 000 system vulnerabilities,
achieving $200K+ in software cost savings across Azure and on-premises environments.
• Engineer and standardize a network vulnerability remediation framework for data center
devices, ensuring compliance with ISO 27001 and NIST guidelines.
• Optimize remediation workflows through automation and security tools, increasing patch
deployment efficiency and reducing downtime.
• Partner with infrastructure, cloud, and security teams to align vulnerability management
initiatives with overall cybersecurity strategy and business continuity objectives.
Company industry:
Natural Gas Distribution

IT Infrastructure Team Lead

July 2019 - September 2021

BCA

Birmingham, Great Britain (UK)

July 2019 - September 2021

• Managed corporate IT infrastructure with a budget of
$500K, overseeing systems including Active Directory and firewalls
• Supervised virtualized infrastructure for 10 VoIP systems, ensuring reliable operation and performance optimization
• Monitored server and network performance, implementing disaster recovery processes covering 200 endpoints
• Acted as primary escalation point, resolving 95% of IT service desk issues within SLAs and ensuring effective communication
• Executed lift-and-shift migration for 1 network infrastructure to new data center, increasing VMware capacity by 50%
Company industry:
Primary, Prep, & Secondary School
Job role:
Information Technology

IT Infrastructure Team Lead

July 2019 - September 2021

BCA,

Birmingham, United Kingdom

July 2019 - September 2021

• Directed end-to-end IT infrastructure operations, administering Active Directory,
DNS/DHCP, LAN, enterprise firewalls, and email systems to ensure 99.9% service
availability.
• Managed and optimized VMware virtualization environments, enhancing resource
utilization and improving system performance by 25%
• Led the successful migration to a new data center and oversaw SAN storage expansion,
increasing data capacity by 40% while maintaining zero unplanned downtime.
• Oversaw VoIP system enhancements, improving call quality and reducing communication
latency across the organization.
• Administered and tested backup and disaster recovery solutions, strengthening business
continuity and ensuring full compliance with recovery time objectives (RTOs).
Company industry:
Primary, Prep, & Secondary School
Job role:
Information Technology

Technical Analyst L3

March 2018 - July 2019

| Platform Securities

Birmingham, United Kingdom

March 2018 - July 2019

• Delivered support for an infrastructure comprising
300 devices, maintaining operational integrity across diverse technologies
• Implemented onboarding for 5 users monthly, including site-to-site VPN and SFTP configurations
• Monitored VMware datacenter environment, performing VM cloning for 10 instances and managing 5 core software releases weekly
• Configured and upgraded 50 Cisco network devices, enhancing network infrastructure performance
• Provided on-call support for 1000 users, ensuring rapid incident resolution and maintaining 99.9% system availability
Company industry:
Financial Services
Job role:
Information Technology

Technical Analyst L3

January 2018 - January 2019

Platform Securities,

Birmingham, United Kingdom

January 2018 - January 2019

• Maintained and supported network and data center infrastructure, ensuring 99.9% uptime
across mission-critical systems.
• Managed client onboarding processes and administered VPN, SFTP, and VMware
environments to enable secure and efficient service delivery.
• Configured and optimized Cisco networking equipment and Dell SAN infrastructure to
enhance performance and storage reliability.
• Provided 24/7 escalation support for critical IT operations, resolving high-priority incidents
within SLA timeframes.
Company industry:
Financial Services

Senior Technical Services Analyst

October 2013 - March 2018

BCA Logistics

Birmingham, Great Britain (UK)

October 2013 - March 2018

• Led a team of 5 IT professionals, driving innovation and continuous improvement initiatives
• Managed IT infrastructure with an annual budget of
$250K, optimizing Windows Server and Active Directory environments
• Implemented Microsoft IIS for 200 applications, enhancing WAN technologies for network performance
• Administered 3 Exchange Servers and 5 SQL Servers within VMware environments, troubleshooting issues effectively
Company industry:
Distribution, Supply Chain & Logistics
Job role:
Information Technology

Senior Technical Services Analyst

October 2013 - January 2018

BCA Logistics,

Birmingham, United Kingdom

October 2013 - January 2018

• Led and coached technical teams to deliver continuous IT service improvements,
increasing operational efficiency by 20%.
• Administered and maintained Windows Server, Active Directory, Group Policy (GPO),
Exchange, and VMware environments to ensure stable and secure operations.
• Defined and implemented service level agreements (SLAs), optimized network
performance, and delivered targeted end-user training programs.
• Presented and explained complex technical solutions to stakeholders, aligning IT initiatives
with business requirements.
Company industry:
Distribution, Supply Chain & Logistics

Education

Moseley School

September 2024

September 2024

High school or equivalent, GCSEs |

United Kingdom

Skills

Cyber Security

Expert

Ethical Hacking

Expert

IT Security

Expert

Vulnerability Assessment

Expert

Vulnerability Management

Expert

DNS

Intermediate

IT INFRASTRUCTURE

Intermediate

CYBER SECURITY

Intermediate

NETWORK SECURITY

Intermediate

INFORMATION TECHNOLOGY

Intermediate

VULNERABILITY MANAGEMENT

Intermediate

CLOUD SECURITY

Intermediate

DATA CENTERS

Intermediate

MICROSOFT AZURE

Intermediate

VMWARE ESX SERVERS

Intermediate

CISCO NETWORKING

Intermediate

VIRTUAL PRIVATE NETWORKS (VPN)

Expert

NETWORK INFRASTRUCTURE

Expert

NETWORK PERFORMANCE

Expert

INFRASTRUCTURE

Expert

INNOVATION

Expert

CISCO

Expert

vulnerability assessment

Intermediate

Installation

Intermediate

Administration

Intermediate

Network Administration

Intermediate

WAN

Intermediate

Network Security

Intermediate

CCNA

Intermediate

Hardware

Intermediate

Windows Server

Intermediate

IP

Intermediate

IT Technical Support

Intermediate

IT

Intermediate

IT Management

Intermediate

OPERATIONS

Expert

BACKUP

Expert

MICROSOFT ACCESS

Expert

MICROSOFT EXCHANGE

Expert

MICROSOFT OFFICE

Expert

NETWORKING

Expert

TROUBLESHOOTING

Expert

ANTI VIRUS

Expert

firewalls

Intermediate

system administration

Expert

windows networking

Expert

computer hardware troubleshooting

Expert

linux

Intermediate

penetration testing

Intermediate

routing

Intermediate

vulnerability management

Intermediate

Active Directory

Intermediate

Powershell

Intermediate

DHCP

Intermediate

Security Research

Intermediate

Security Testing

Intermediate

Cisco ASA

Intermediate

Palo Alto

Intermediate

Wireless Networking

Intermediate

Wireless Security

Intermediate

Cloud

Intermediate

Azure

Beginner

Juniper Networking

Intermediate

HP Switches

Expert

IIS

Intermediate

HYPERVISOR

Expert

windows network administration

Intermediate

Kali

Intermediate

Offensive Security

Intermediate

Ethical Hacking

Intermediate

IT Security

Intermediate

VPN

Intermediate

Security

Intermediate

Cyber Security

Intermediate

Social profiles

Languages

English

Native Speaker

Urdu

Intermediate

Training and Certifications

Certifications
Cisco Ethical Hacker
Aug 2025
CCNA – Routing & Switching V2
eJPT – Junior Penetration Tester
ICCA – INE Certified Cloud Associate
GPEN – Penetration Tester
Ethical Hacker
GCLD – Cloud Security Essentials
GCLD Cloud Security Essentials
Mar 2025
Networking Basics
Aug 2024
Introduction to Cybersecurity
Oct 2024
GIAC - GPEN Penetration Tester
Mar 2024 - Mar 2028
INE Certified Cloud Associate
Dec 2023 - Dec 2026
eJPT - Junior Penetration Tester
Nov 2023 - Nov 2026
Cisco CCNA Routing & Switching
Sep 2013 - Sep 2016
Pre Security Learning Path
Nov 2021
Jr Pentration Tester
Mar 2022
Training
MCITP Server 2008
Netcom Training & Solutions
Jul 2006
Windows Server 2012
Solihull College
Jan 2018

Hobbies and interests

Hacking offensive security training

I use tryhackme and I have gained the jr penetration tester path and the pre security path I have nearly finished the comptia pentest + path then will move onto the offensive security path.