IT Systems and Network Administrator managing IT infrastructure for a global leader in sustainable construction. Responsibilities include server and network management, cloud services, and IT support.
Responsibilities
Manage and maintain Windows and Linux servers, ensuring they are patched, secure, and highly available
Monitor and troubleshoot LAN/WAN networks, including switches, routers, firewalls, and wireless access points
Administer core network services such as Active Directory, Group Policy, DNS, and DHCP
Manage cloud platforms including Google Workspace and Amazon AWS environments (EC2, S3, VPC)
Deploy, configure, and maintain VMware vSphere environments including ESXi hosts, vCenter, and virtual machines
Design, configure and support SD-WAN solutions to optimize wide-area network performance and security
Implement and enforce network security best practices including VPNs, firewalls, and endpoint protection
Oversee backup, disaster recovery, and business continuity strategies
Use system and network monitoring tools such as PRTG or SolarWinds to maintain high availability and performance
Utilize ServiceNow or similar ITSM platforms to manage incident tickets, service requests, and changes promptly and efficiently
Document network and virtual infrastructure architecture, configurations, and procedures
Collaborate with the IT team to support projects and provide second-level technical support
Requirements
Bachelor’s degree in Information Technology, Computer Science, Network Engineering, or equivalent relevant experience
Approximately 3 years of hands-on experience in systems and network administration with virtualization exposure
Solid understanding of networking fundamentals: TCP/IP, VLANs, routing protocols, and VPNs
Experience with SD-WAN technology and platforms (e.g., Cisco Viptela, VMware VeloCloud, Fortinet)
Proficiency in VMware vSphere virtualization technologies including ESXi and vCenter
Expertise in Windows Server administration and Active Directory management
Knowledge in firewall and VPN configuration for secure networking
Familiarity with Google Workspace and Amazon AWS cloud service management
Experience working with ServiceNow or comparable IT service management tools
Relevant certifications such as CCNA, CompTIA Network+, AWS Certified Cloud Practitioner, Google Workspace Administrator, and VMware certifications (VCP or VCTA) are highly desirable
Clear communication and excellent documentation
Ability to work independently and collaboratively in a fast-paced environment
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