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Assistant Manager - Network | Infrastructure

ORYSYS Limitedtopjobs.lk
Nov 13, 2026, 11:58 AM2d ago
Full-timeColombo 3ManagementManager (7+ yrs)

About the role

The Assistant Manager – Network / Infrastructure will oversee and maintain the organization's IT infrastructure, network operations, and security systems. The role involves ensuring system reliability, network availability, cybersecurity, and efficient IT operations while leading the Network and Infrastructure team. Key responsibilities include managing network infrastructure devices, providing advanced technical support, maintaining IT documentation, resolving technical issues, implementing IT security measures, monitoring centralized security event management, and developing IT policies and procedures. Candidates must have significant experience in network administration, IT infrastructure, and network security, along with relevant qualifications and certifications.

Must have

  • Minimum of 7+ relevant experience in Network Administration, IT Infrastructure, and Network Security.
  • National Diploma in Information and Communication Technology or an equivalent qualification.
  • Professional qualifications in Computer Hardware, Networking, and Network Administration.
  • Professional certifications in Cisco (CCNA), Microsoft (MCSA), and Fortinet Network Security (NSE 1–3).
  • Hands-on experience with Fortinet firewall platforms, antivirus solutions, email systems, and centralized log management.
  • Excellent leadership, communication, and documentation skills.

Nice to have

  • Additional certifications in Google Cybersecurity, Google IT Support, and Google Workspace Administration will be an added advantage.

Technologies

  • CCNA
  • Cisco
  • Cybersecurity
  • Firewall
  • Fortinet
  • Google Workspace
  • Network Security

Highlights

Application is via the 'Click Here to Apply' button. Additional certifications in Google Cybersecurity, Google IT Support, and Google Workspace Administration are considered an added advantage.

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