Sajjad Haider Abbasi
Riyadh
Summary
Accomplished Network and Security Specialist with over 15 years of expertise in designing, managing, and securing large-scale network infrastructures. Demonstrated success in optimizing system reliability with a 99.9% uptime record, improving operational efficiency by 30%, and leading high-performing teams across diverse IT environments. Skilled in advanced network configurations, firewall management, and proactive incident resolution, bringing a strong commitment to security and performance excellence. Adept at aligning IT strategies with business goals to drive continuous improvement and client satisfaction.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Sr. Manager NOC & Support
Global Connect Synergy
05.2017 - 09.2024
- Ensured 99.9% uptime for the Network Operations Center (NOC), maintaining stability and seamless operations
- Led and mentored a team of 10+, resulting in a 20% improvement in knowledge retention and skill development
- Allocated over 500 Mbps of Internet bandwidth and managed IP subnets for 30+ corporate clients, optimizing network performance by 25%
- Communicated and escalated major events and outages within 15 minutes, ensuring rapid response
- Configured and backed up 500+ devices (servers, switches, routers), achieving 99% hardware reliability
- Created and audited 50+ SOPs and technical documents, maintaining operational accuracy
- Monitored network performance using Cacti, SolarWinds, and SYSLOG Server, reducing incident resolution time by 30%
- Managed escalation procedures with stakeholders, achieving a 98% on-time resolution rate for network issues
- Maintained, supported, and upgraded 50+ systems and applications quarterly to drive continuous improvement
- Established strong client relationships, resulting in 90% client retention and generating repeat business.
Manager - IP Core Networks
Satcomm (Pvt) Ltd
12.2006 - 05.2017
- Led a team of 12 in the Network Operations Center (NOC) and Corporate Help Desk (CHD), increasing team efficiency by 20% through task optimization and training
- Ensured 24/7 uptime for the NOC, reducing network downtime by 15% and enhancing service reliability for 30+ corporate clients
- Directed capacity planning and performance initiatives, resulting in a 30% improvement in network efficiency
- Monitored and troubleshot 200+ Cisco routers and WAN links, achieving 95% issue resolution within 24 hours
- Managed DNS, proxy servers, and mail servers; implemented IP Firewall/NAT on Linux systems, reducing unauthorized access by 25%
- Automated report generation with Linux shell scripts, decreasing manual workload by 40% and enabling faster analysis
- Managed bandwidth and IP pools for 200+ clients, optimizing performance and resource allocation.
Education
Master of Science - Computer Science
SZABIST
Karachi01.2008
Skills
- Network Design & Administration
- Strategic Planning
- Firewall & Security Management
- Linux Server Management
- Python Programming
- Wireless Networking & Security
- System Troubleshooting
- Strong Communication Skills
- Effective Leadership
- Analytical Problem Solving
- Collaborative Teamwork
- Results-Driven Mindset
Certification
Fortinet Inc. (NSE-7) - 2024
Cisco Systems Inc. Certification - 2014
Microsoft MCP - 2014
Microsoft MCITP - 2011
Juniper Networks Certification - 2009
Hobbies
Traveling – Passionate about exploring diverse cultures and new environments, which enhances adaptability and global awareness.
Movies – Enjoy studying storytelling techniques and creative expression, fostering analytical thinking and attention to detail.
Games – Enthusiast of strategy and problem-solving games, strengthening focus, resilience, and decision-making skills.
Languages
Urdu
Native language
English
Upper intermediate
B2
Sindhi
Beginner
A1
Timeline
Sr. Manager NOC & Support
Global Connect Synergy
05.2017 - 09.2024
Manager - IP Core Networks
Satcomm (Pvt) Ltd
12.2006 - 05.2017
Fortinet Inc. (NSE-7) - 2024
Cisco Systems Inc. Certification - 2014
Microsoft MCP - 2014
Microsoft MCITP - 2011
Juniper Networks Certification - 2009
Master of Science - Computer Science
SZABIST
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