Senior Network Administrator

Duties

• Work with other parts of the IT team
• Work with business partner functions (HR, Procurement, Finance, Operations)
• Work with external stakeholders
• Third party vendors and service providers
• Have a service-oriented mindset.
• Strong Technical Acumen and solution oriented.
• Outstanding communication, organizational, and time management skills.
• Strong teamwork and interpersonal skills.
• Technical and End-User documentation writing
• Incident, Change and Problem Management
• Great analytical skills.
• Passion for continuous improvement and optimization across all areas of responsibility
• Establish network and infrastructure standards across the organization
• Design, configure, and maintain enterprise routing and switching infrastructure across corporate and site locations, including VLAN segmentation, spanning tree, cloud managed routing administration, and QoS policies
• Administer SD-WAN/SASE and network security environment (Cato Networks), including firewall policy management, secure connectivity between the corporate network and field/site locations (Cisco Meraki), and site failover
• Support and maintain Starlink satellite connectivity network for remote and field site locations, including provisioning, troubleshooting, and integration with the broader corporate WAN/SD-WAN environment
• Install, configure, and maintain physical and virtual server and network infrastructure platforms
• Administer and optimize Microsoft Azure network and infrastructure components, including virtual networks, network security groups, VPN Gateway/ExpressRoute connectivity, and hybrid identity integration between on-premises Active Directory and Microsoft Entra ID
• Respond to and resolve network-related incidents in a timely manner, address alerts and escalations, and work with IT leadership, other IT teams, and vendors to produce strategic solutions to recurring problems
• Maintain and periodically audit privileged accounts and access permissions
• Assist in the configuration and troubleshooting of IP-based peripherals such as printers, scanners, and mobile devices
• Collaborate with other IT team members to identify and resolve complex issues
• Work closely with the IT Security team to implement and maintain network security measures, including firewalls, intrusion detection/prevention systems, and access control policies
• Monitor and analyze network traffic for potential security threats and vulnerabilities and implement appropriate mitigation strategies to minimize risk
• Document current technical procedures and create knowledge base articles for the support team when needed
• Maintain inventory of network hardware, software, and licensed assets
• Maintain network topology diagrams, device alerting structure, and network management tools to ensure all devices' location and status are known 24x7 and detected issues are actioned
• Train users to successfully operate new systems and equipment as needed
• Conduct network vulnerability scans and privileged access rights reviews at specified intervals (weekly, monthly, quarterly)
• Establish and maintain network device patching cadence

Requirements

• 10+ years of experience as a Network Administrator
• 7+ years of experience as a Network Administrator in a multi-site organization
• Strong knowledge of Microsoft cloud technologies and server platforms
• Strong knowledge of Azure networking, including virtual networks (VNets), network security groups, VPN Gateway/ExpressRoute, and Azure Firewall
• Strong knowledge of on-prem and cloud routing and switching (Meraki), SASE/SD-WAN (Cato Networks), and satellite connectivity (Starlink) for remote and field sites
• Strong knowledge of On-Prem Active Directory and Microsoft Entra ID, including hybrid identity and directory synchronization
• Strong problem-solving and analytical skills
• Excellent written and verbal communication skills
• Ability to work well independently and as part of a team
• Relevant certifications: Microsoft Azure Administrator Associate (AZ-104), Azure Network Engineer Associate (AZ-700), SASE/SD-WAN certification (e.g., Cato Networks), or equivalent networking/identity credentials
• Proven experience modernizing and maintaining corporate systems
• Experience troubleshooting network and connectivity issues
• Working knowledge of Microsoft Server (on-prem) and Microsoft Azure, including basic Azure networking and Entra ID concepts
• Working knowledge of routing/switching strategies and multi-site WAN/SD-WAN connectivity, including satellite-based connectivity (e.g., Starlink) for remote sites
• Education: Bachelor's degree in Computer Science, Information Technology, or a related field. Minimum: Proven, equivalent multi-year experience in related fields and activities.