MERT ŞAHBANDAR
Network & Security Manager | Computer Systems Engineer
Istanbul
Summary
Thirteen years of extensive hands-on experience in network and security engineering, Windows / Linux systems, installed, configured and maintained complex routed LAN and at all levels. A team player who also can work well independently. Also, professional project management specialist with experience working with teams to accomplish short- and long-term project goals. Managed budgets and monitored project costs. Insightful Information Technology Manager with five years of IT leadership experience including oversight of infrastructure, application support and security services. Dedicated to customer satisfaction with focused delivery of technical solutions. Proven leader in directing operations, maintenance and support of complex systems. Develops creative business solutions, leveraging diverse methodologies and delivering engineering solutions for leading organizations. Highly adept in request for proposal development, technology needs assessments and staff training.
Overview
15
15
years of professional experience
6
6
years of post-secondary education
4
4
Certifications
Work History
Network and Security Manager
GlassHouse Cloud Service Provider
5 2023 - Current
- Managed a team of Network and security personnel, providing regular training for improved performance and professional growth.
- Enhanced overall network and security by conducting comprehensive risk assessments and implementing tailored security plans.
- Improved response time to incidents by developing effective communication protocols within the Network and security team.
- Maintained detailed records of network and security incidents, enabling proper analysis for future preventative measures.
- Diagnosed and resolved hardware and software issues.
- Monitored networks and network devices to resolve technical problems quickly.
- Designed and evaluated WAN and LAN connectivity technologies.
- Analyzed network traffic and performance metrics to optimize system performance.
- Maximized system availability through development and testing of contingency plans.
- Reduced downtime with proactive maintenance, regular updates, and prompt resolution of technical issues.
- Implemented virtualization technologies to reduce hardware costs while maintaining high-performance computing capabilities.
- Improved network performance by implementing advanced monitoring tools and troubleshooting techniques.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
- Improved network performance by identifying and resolving bottlenecks, optimizing configurations, and implementing best practices.
- Enhanced security by implementing firewalls, VPNs, and access control systems.
- Troubleshot complex multi-vendor network service provider issues.
- Managed vendor relationships to negotiate contracts, procure equipment, and receive timely technical support when needed.
- Designed and deployed scalable network infrastructure for increased efficiency and reliability.
- Increased overall network stability by performing root cause analysis on recurring issues and implementing long-term solutions.
- Trained junior engineers on industry best practices, fostering a collaborative team environment that prioritized knowledge sharing.
- Implemented WAN and LAN designs in multi-datacenter configurations.
- Supervised team of 10 security personnel during shift.
Network and Security Manager
Radore Data Center
12.2020 - 05.2023
- Monitor the reachability of all connections within the network, following circuit restoral priorities, and initiate troubleshooting to restore full network capability.
- Deciding on the most appropriate engineering techniques and sequences of activities for each part of the network development and securing it with the best solutions and practices
- Analyze project requirements and design a technical solution that meets business requirements
- Provide the best technical and operational planning support
- Identify or evaluate appropriate network technologies to meet the present and future requirement
- Supervising the project at all stages and providing solutions to problems
- Engaging with consumer technical staff to outline requests and implement them into network design
- Help to plan the complete set-up of the network to meet the satisfaction and planned level
- Determine and optimize the network area along with the switch, cost, and connectivity parameters of the other network providers
- Use of technical skills for the network in association with the project management of a given network engineering discipline
- Perform diagnostic analysis of the network system, identify possible faulty devices, troubleshoot faulty modules, troubleshoot network problems and outages, and prepare necessary documentation detailing actions taken
- Provide on-site and telephonic technical services necessary to ensure the continuing operation and optimization of the network
- Maintain the security of an organization's IT network
- Selecting and installing security hardware and software, analyzing networks for potential security threats, and developing Internet protocols to deal with viruses
- Help to protect the company's information and privacy by developing data encryption methods and programs.
Senior Network and Security Planning Engineer
RADORE Data Center
05.2020 - 12.2020
- Deciding on the most appropriate engineering techniques and sequences of activities of each part of the network development and securing it with best solutions and practices
- Analyze project requirements and design technical solution that meets business requirements
- Provide best technical and operational planning support
- Identify or evaluate appropriate network technologies to meet the present and future requirement
- Supervising the project at all stages and providing solutions to problems
- Engaging with consumer technical staff to outline requests and implement into network design
- Support critical teams across the company where needed and to implement new standards for fiber design engineering along with communicating strategies for new project deployments, upgrades, and maintenance
- Help to plan the complete set-up of the network to meet satisfaction and planned level
- Determine and optimize the network area along with switch, cost, and connectivity parameters of the other network providers
- Use of technical skills for the network in association with the project management of given network engineering discipline
- Creation of backup plan to maintain connectivity during the network failure.
Senior Network and Security Engineer
TEKNOTEL
04.2016 - 05.2020
- Analyzed project requirements and design technical solution that meet business requirements
- Provided technical and operational support for entire organization
- Configured routers, switches, firewalls, wireless controllers, access points and Cisco communication hardware to deploy and manage LAN, WAN and wireless networks
- Meet with stakeholders and presented in-depth information on hardware and software products, delivering expertise to make appropriate purchasing decisions
- Maximized network availability and performance by monitoring, troubleshooting, resolving outages and scheduling upgrades
- Leading performance and capacity planning by auditing, monitoring, analyzing and reconfiguring network environments for future scalability and to improve network performance
- Collaborated with other teams to support new network installation and cross-functional solutions
- Provided smooth communications by configuring LAN technology, wireless access points and controllers
- Secure network systems by establishing and enforcing access control policies
- Deploy CheckPoint and FortiGate firewalls to safeguard network security and block unauthorized access
- Worked independently while coordinating project work and support functions with 35 other team members
- Maintained documentation on configurations and maintenance in the form of reports and diagrams
- Assessed networks and systems to identify weaknesses and implemented fixes for risk mitigation.
CCNA and CCNP Lecturer
Center
01.2015 - 03.2016
- Delivered course lectures using modern technology to enhance student comprehension
- Created presentations to deliver lectures in classrooms and online learning environments
- Advised students on academic paths and questions regarding course content
- Coordinated laboratory experiments for students to test in-class theories
- Facilitated workshops, tutorials, and seminars with opportunities to stimulate students' critical thinking and analysis.
Senior Network Engineer / BIBTEX
SY
02.2012 - 12.2014
- Performed root cause analysis of problems, documented faults in tracking system and generated daily reports
- Configured network equipment for installations, performed lifecycle refreshes and performed post-installation testing for turnkey services
- Maintained hardware and software for networks and assisted in the installation and upgrade of servers
- Led delivery of complex network solutions and services, including cloud-computing infrastructure
- Engineered networks with L2 and L3 Avaya infrastructure
- Responded to approximately 150 users regarding network issues to correct problems, check the functionality of resolutions, and document a summary support provided
- Installed, supported, and maintained 3 file servers and network access for more than 150 users
- Leading performance and capacity planning by auditing, monitoring, analyzing and reconfiguring network environments for future scalability and to improve network performance by 99.9%
- Secured network systems by establishing and enforcing access control policies using ISA server.
Linux System Administrator / GSIBC
SY
01.2010 - 01.2012
- Configured and updated Linux servers using Debian, Ubuntu, Centos, and systems like IPcop/IPFire
- Configured, tested, and managed software installations
- Analyzed project requirements and design technical solution that meet business requirements
- Provided customers with advice on VPN and relevant applications
- Worked extensively with engineering staff to better understand VPN solutions and benefits to projects
- Provided technical and operational support for entire organization.
Education
Bachelor of Science - Computer Systems Engineer
Mamoun Private University For Science And Technology
Syria 04.2005 - 10.2010
Skills
- Network and security management
- Next Generation Firewall technologies (ASA 5520, checkpoint, Palo Alto FortiGate)
- VPN technologies
- Proxy systems
- Load balancer (Citrix Netscaler SDX 11520 and VPX)
- Zero trust network
- Routing and switching protocols
- Network penetration testing
- Cisco routers (ASR 9007, C4506, C800) and switches (2900, ME3400, SF300)
- Juniper switches and routers (MX 960, EX 4500, EX 4200 and various junos Devices)
- Brocade (MLXe 16-slot, ICX7750, CER)
Nvidia Cumulus OS
- Virtualization (Nutanix, Proxmox, VMware OnApp)
- Implement and troubleshoot monitoring and Logging solution (PRTG, Zabbix, Grafana, Observium, Logstach and ILK, Graylog, etc)
- Project management
Certification
CCNA Certified.
Languages
Turkish
Proficient
C2
English
Proficient
C2
Arabic
Proficient
C2
Timeline
Network and Security Manager
Radore Data Center
12.2020 - 05.2023
Senior Network and Security Planning Engineer
RADORE Data Center
05.2020 - 12.2020
Senior Network and Security Engineer
TEKNOTEL
04.2016 - 05.2020
CCNA and CCNP Lecturer
Center
01.2015 - 03.2016
Senior Network Engineer / BIBTEX
SY
02.2012 - 12.2014
Linux System Administrator / GSIBC
SY
01.2010 - 01.2012
Bachelor of Science - Computer Systems Engineer
Mamoun Private University For Science And Technology
04.2005 - 10.2010
Network and Security Manager
GlassHouse Cloud Service Provider
5 2023 - Current
CCNA Certified.
CCNP certified.
PMP (certified from ''YALLA PMP'' PMI Authorized Training center).
CEHv10 "Training".
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