Lead / Senior Engineer - Network & Solutions

ORYSYS Limited
Full-timeColombo, Sri Lanka

Job Role:

  • Administer and maintain the enterprise network infrastructure including firewalls (FortiGate), Aruba switches, and wireless networks.
  • Manage Windows and Linux-based server environments and virtual machines (VMs).
  • Configure and maintain Microsoft 365 services including Exchange Online and user identity management.
  • Perform user and policy administration through Active Directory (Windows 2022) and Group Policy.
  • Implement and manage endpoint protection using ESET Protect.
  • Manage and monitor backup and storage solutions, including TrueNAS.
  • Support vulnerability assessment and remediation activities using Tenable or similar tools.
  • Assist with patch management through tools such as ManageEngine Endpoint Central or Action1.
  • Provide technical support and collaborate with internal teams to resolve issues and meet operational requirements.
  • Contribute to compliance and security initiatives including ISO 27001 readiness.

Job Specifications:

  • Bachelor’s Degree in Information Systems, Computer Science, or a related field.
  • Minimum of 3–5 years of experience in systems and network administration.
  • Professional certifications such as CCNA/CCNP, MCSE, or HCIA are highly preferred.
  • Strong experience with FortiGate firewalls, network configurations, and VLANs.
  • Proficient in Microsoft 365 administration (Exchange, Teams, OneDrive).
  • Experience managing virtualization platforms (Hyper-V or VMware).
  • Hands-on experience with Active Directory and Windows Server roles (DNS, DHCP, File Services).
  • Familiarity with Azure administration is an added advantage.

Apply for this job

Resume/CV*

Click or drag file to this area to upload your Resume

Please make sure to upload a PDF

First Name*
Last Name*
Email*
Phone Number*