SKsazzad kabir
@sazzadkabir
Senior Network Specialist delivering secure, high-availability enterprise and wireless network solutions.
SwedenWhat I'm looking for
I am a Senior Network Specialist with 15+ years designing, operating, and securing enterprise and industrial network environments across global organisations. I bring deep hands-on experience with routing & switching, WAN, wireless platforms (Cisco, Aruba) and firewall integration to deliver resilient, compliant networks.
At Munters I supported 33 countries and 63 locations, strengthened access control for 800+ users, and led secure connectivity and segmentation projects during major business integrations. I have actively supported ISO 27001 controls, incident response, vulnerability management, and change-driven network transformations.
I am service-oriented, a strong communicator who bridges operations, security, and business needs, and I focus on automation, documentation, and risk-controlled deployments to ensure reliable IT delivery in regulated environments.
Experience
Work history, roles, and key accomplishments
Senior Network & Security Engineer
Munters AB
Feb 2021 - Dec 2025 (4 years 10 months)
Supported internal IT across 33 countries and 63 locations, strengthening network security and high-availability connectivity for 800+ users and driving ISO 27001–aligned controls and change-managed network transformations.
Senior Network & Security Engineer
Net Nordic Communications AB
Oct 2018 - Jan 2021 (2 years 3 months)
Designed and secured network environments for 130+ customers across the Nordics, contributing to ISO 27001 efforts and reducing audit findings by 30–40% through segmentation and remediation.
Senior System & Network Engineer
Efftel AB
Oct 2013 - Sep 2018 (4 years 11 months)
Delivered a high-availability network platform for unified communications achieving >99.9% availability and improved resilience by 40–50% through redundancy, monitoring, and failover designs.
IT Support Engineer
Servicesoft Nordic AB
Feb 2011 - Jul 2012 (1 year 5 months)
Provided day-to-day IT support and troubleshooting for customer environments, supporting upgrades and maintenance to ensure service continuity and high customer satisfaction.
Configuration Engineer
TD Tech Data AB
Jul 2009 - Feb 2011 (1 year 7 months)
Supported IT operations by preparing and validating server hardware, performing system configuration and QA to ensure reliable deployments and adherence to delivery procedures.
Education
Degrees, certifications, and relevant coursework
RKRoyal Institute of Technology (KTH)
Master of Science, Information Technology
Completed a Master of Science in Information Technology focusing on advanced IT and network-related topics.
AUAmerican International University-Bangladesh
Bachelor of Science, Computer Science
Completed a Bachelor of Science in Computer Science with foundational coursework in programming, networking, and systems.
Tech stack
Software and tools used professionally
Availability
Location
SwedenAuthorized to work in
Job categories
Skills
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