Job Description:

• Providing network operations and support for Varian’s cloud solutions
• Private, public and hybrid infrastructure, network and security
• Assisting with upgrading, installing, and configuring various cloud solutions including monitoring, application access, security, Palo Alto Networks (Highly Recommended), Citrix NetScaler, Citrix ADC
• Assisting with reporting on current infrastructure status, and planning for future usage
• Configuring and supporting backbone connections over ExpressRoute (Azure), and direct connection and VPN architecture
• Maintaining allocation of IP CIDR block, perform maintenance involving modification of network, subnets, vlans, routes etc
• Verifying and action on events aggregated from network monitoring tools and Web Application Firewall using Varian approved tools
• Troubleshooting and determining root cause of issues
• Collaborating to quickly resolve any network related outages and resolve customer impacting issues quickly
• Contributing to the successful execution of projects
• Creating, updating, and completing documentation
• Investigate root cause analysis of incidents with follow up reporting and final content generation
• Collaborating with network engineers on procedures, techniques, tips & knowledge to improve operations, security and work performed
• Providing the highest level of customer service
• Advance understanding of vendor and telco/exchange/service providers support escalation paths and being able to escalate support requests to these vendors in a typically urgent and timely fashion
• Appling network system updates, patches, configuration changes
• Planning network layouts and configures systems to user environments
• Serving as a technical mentor to colleagues as necessary
• Staying up to date with assigned Learning Management System courses
• Maintaining a strong knowledge of Varian’s suite of applications
• Eagerness to provide the highest level of customer service
• On call support as required

Requirements:

• Degree in computer science, or other engineering or technical discipline is preferred, or equivalent (5-7 years of additional specific relevant experience may be substituted for education)
• Experience in supporting and managing networks in an enterprise cloud computing environment
• Deep understanding of network protocols (e.g., TCP/IP, UDP, ICMP, ARP,) addressing, NAT, and subnetting, CIDR
• Routing and Switching expertise in dynamic routing protocols like OSPF, EIGRP, BGP, and MPLS
• Experience with VLANs, STP, and layer 2/3 concepts
• Network Performance Analysis, with the ability to interpret packet captures using tools like Wireshark, tcpdump, iperf, or SolarWinds as examples
• WAN and VPN knowledge of technologies such as MPLS, SD-WAN, IPsec, and SSL VPNs
• Microsoft ExpressRoute experience preferred
• Skills in hybrid networking setups and cloud-based solutions
• Azure Virtual Network
• Hands-on experience with Palo Alto Network Firewalls, including hands-on experience with routers, switches, load balancers, and firewalls (e.g., Cisco, Juniper, Fortinet, Palo Alto, Citrix NetScaler, etc.)
• Network Security Concepts Expertise in firewalls, IDS/IPS systems, access control lists (ACLs), and DDoS mitigation
• Authentication and Encryption knowledge of RADIUS, TACACS+, PKI, and SSL/TLS
• Hands on experience troubleshooting telecom/peering partner/peering provider networks
• Understanding of vendor and telco/exchange/service providers support escalation paths and being able to escalate support requests to these vendors in a typically urgent and timely fashion
• Experience working with business-critical, highly available/scalable infrastructure and applications
• Experience with ticket handling and processing
• Clear communicator, ability to communicate technical terms to business and customer stakeholders
• Experience in supporting and managing networks in an enterprise cloud computing environment
• Hands-on experience with Microsoft Azure Networking services and features
• Hands-on experience with Palo Alto Networks (required), Cisco and Juniper devices and features
• Experience working with highly business-critical, highly available/scalable infrastructure and applications
• ITIL knowledge and experience with Incident, Problem, Change, and other process disciplines
• Experience creating diagram documentation (Visio/Lucidchart)
• Experience writing technical documentation, especially in relation to Cloud architecture.
• Will be required to write as built, operating procedures and instructions, templates
• Hands-on experience with firewalls, managed switches and router configurations

Benefits:

• Professional development opportunities
• Flexible working arrangements