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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, 8 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
Cyber Security
Expert
Ethical Hacking
Expert
Ethical Hacking
Expert
IT Security
Expert
IT Security
Expert
Vulnerability Assessment
Expert
Vulnerability Assessment
Expert
Vulnerability Management
Expert
Vulnerability Management
Expert
DNS
Intermediate
DNS
Intermediate
IT INFRASTRUCTURE
Intermediate
IT INFRASTRUCTURE
Intermediate
CYBER SECURITY
Intermediate
CYBER SECURITY
Intermediate
NETWORK SECURITY
Intermediate
NETWORK SECURITY
Intermediate
INFORMATION TECHNOLOGY
Intermediate
INFORMATION TECHNOLOGY
Intermediate
VULNERABILITY MANAGEMENT
Intermediate
VULNERABILITY MANAGEMENT
Intermediate
CLOUD SECURITY
Intermediate
CLOUD SECURITY
Intermediate
DATA CENTERS
Intermediate
DATA CENTERS
Intermediate
MICROSOFT AZURE
Intermediate
MICROSOFT AZURE
Intermediate
VMWARE ESX SERVERS
Intermediate
VMWARE ESX SERVERS
Intermediate
CISCO NETWORKING
Intermediate
CISCO NETWORKING
Intermediate
VIRTUAL PRIVATE NETWORKS (VPN)
Expert
VIRTUAL PRIVATE NETWORKS (VPN)
Expert
NETWORK INFRASTRUCTURE
Expert
NETWORK INFRASTRUCTURE
Expert
NETWORK PERFORMANCE
Expert
NETWORK PERFORMANCE
Expert
INFRASTRUCTURE
Expert
INFRASTRUCTURE
Expert
INNOVATION
Expert
INNOVATION
Expert
CISCO
Expert
CISCO
Expert
vulnerability assessment
Intermediate
vulnerability assessment
Intermediate
Installation
Intermediate
Installation
Intermediate
Administration
Intermediate
Administration
Intermediate
Network Administration
Intermediate
Network Administration
Intermediate
WAN
Intermediate
WAN
Intermediate
Network Security
Intermediate
Network Security
Intermediate
CCNA
Intermediate
CCNA
Intermediate
Hardware
Intermediate
Hardware
Intermediate
Windows Server
Intermediate
Windows Server
Intermediate
IP
Intermediate
IP
Intermediate
IT Technical Support
Intermediate
IT Technical Support
Intermediate
IT
Intermediate
IT
Intermediate
IT Management
Intermediate
IT Management
Intermediate
OPERATIONS
Expert
OPERATIONS
Expert
BACKUP
Expert
BACKUP
Expert
MICROSOFT ACCESS
Expert
MICROSOFT ACCESS
Expert
MICROSOFT EXCHANGE
Expert
MICROSOFT EXCHANGE
Expert
MICROSOFT OFFICE
Expert
MICROSOFT OFFICE
Expert
NETWORKING
Expert
NETWORKING
Expert
TROUBLESHOOTING
Expert
TROUBLESHOOTING
Expert
ANTI VIRUS
Expert
ANTI VIRUS
Expert
firewalls
Intermediate
firewalls
Intermediate
system administration
Expert
system administration
Expert
windows networking
Expert
windows networking
Expert
computer hardware troubleshooting
Expert
computer hardware troubleshooting
Expert
linux
Intermediate
linux
Intermediate
penetration testing
Intermediate
penetration testing
Intermediate
routing
Intermediate
routing
Intermediate
vulnerability management
Intermediate
vulnerability management
Intermediate
Active Directory
Intermediate
Active Directory
Intermediate
Powershell
Intermediate
Powershell
Intermediate
DHCP
Intermediate
DHCP
Intermediate
Security Research
Intermediate
Security Research
Intermediate
Security Testing
Intermediate
Security Testing
Intermediate
Cisco ASA
Intermediate
Cisco ASA
Intermediate
Palo Alto
Intermediate
Palo Alto
Intermediate
Wireless Networking
Intermediate
Wireless Networking
Intermediate
Wireless Security
Intermediate
Wireless Security
Intermediate
Cloud
Intermediate
Cloud
Intermediate
Azure
Beginner
Azure
Beginner
Juniper Networking
Intermediate
Juniper Networking
Intermediate
HP Switches
Expert
HP Switches
Expert
IIS
Intermediate
IIS
Intermediate
HYPERVISOR
Expert
HYPERVISOR
Expert
windows network administration
Intermediate
windows network administration
Intermediate
Kali
Intermediate
Kali
Intermediate
Offensive Security
Intermediate
Offensive Security
Intermediate
Ethical Hacking
Intermediate
Ethical Hacking
Intermediate
IT Security
Intermediate
IT Security
Intermediate
VPN
Intermediate
VPN
Intermediate
Security
Intermediate
Security
Intermediate
Cyber Security
Intermediate
Cyber Security
Intermediate

Social profiles

Personal Website
Personal Website

URL removed due to policy violation. Please contact support for further information.

Languages

English
Native Speaker
Urdu
Intermediate

Training and Certifications

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

Hobbies

  • 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.