Senior Network Engineer

Senior Network Engineer:

We see this as anexciting opportunity for someone who is proficient at managing all aspects ofLAN/WAN network infrastructure including routers, switches, load balancers, andfirewalls in both on prem and cloud environments. Reporting to theAssociate Director, Network Engineering, this position will work closely withthe Site Reliability Operations, Systems Engineering, and Software Developmentorganizations in support of our state-of-the-art 24/7/365 production SaaSservice offering. This critical position provides great visibility andindividual growth potential for an ambitious IT professional but also requiresproven experience with exponential growth on a global scale. You must beable to think creatively and work independently, presenting creative solutionsto difficult networking problems.

• Ideal candidate will have a strong networking background working with multiple vendors including Cisco, Palo Alto, Juniper, Arista, F5, A10, Brocade, and Meraki.
• Day-to-day operational support of network infrastructure and services maintaining, highly available, high performance data center network infrastructure involving multiple distributed systems in both on premise and cloud environments.
• Specific responsibilities include configuration, administration, upgrade and maintenance of network switches, routers, load balancers, and firewalls.
• Troubleshoot technical issues with other technical staff and end-users.
• Monitor and manage network security, traffic, and performance.
• Experience with several Network monitoring and administration tools: SolarWinds, Thousand Eyes, Panorama, New Relic, Grafana and Logic Monitor.
• Maintain Cornerstone's global SaaS service ensuring all incidents are tracked and remediated, and changes are implemented under the auspices of Cornerstone's policies and procedures.
• Develop documentation and diagrams supporting Standard Operating Procedure documents.
• Establishment of enterprise data network standards taking into account various in-flight initiatives.
• Managing medium to large scale public and private IP address schemes.
  Work with your team members and peer groups to ensure the security, availability, resiliency, and compliance with industry and regulatory requirements (ISO, SOC 1/2, FedRamp, PCI) in a fast-paced SaaS environment.
• Thorough understanding of network security aspects, common problems and solutions (ACL, firewall filtering, and VPN).

• In-depth knowledge and understanding of TCP/IP protocols, IP Addressing (DHCP, NAT, etc...), MPLS, VPN, VLANs, Load Balancing, and Wireless technologies.
• Proven experience in delivering network services and solutions in a mid-size or larger enterprise.
• CCNA level experience is required; CCNP certification or higher is preferred.
• 5- 8 years of network engineering in a datacenter environment.
• Experience with network change management control tools and policies.
• In-depth knowledge of OSPF and BGP routing protocols. L2/L3 switching on enterprise class hardware, including Arista, Cisco, Juniper, and Brocade switches and routers.
• Hands-on experience securing network environments with Palo Alto and Juniper Firewalls.
• F5 and A10 load balancers configuration and design principals.
• Must have extensive experience building scalable, highly available, mission critical network infrastructures.
• Excellent verbal and written communication skills.
• Team Leader, Team player, Dependable and Flexible.
• Deep analytical, interpersonal, organizational, communication & problem-solving skills.
• Security compliance experience as it relates to the network.
• Demonstrated commitment to valuing diversity and contributing to an inclusive working and learning environment.
• Consideration for privacy and securityobligations.

• Virtualization experience a plus.
• ITIL Certification a plus.