Staff Systems Administrator

Job Description

Job Title: Staff Systems Administrator

Location: US-CO-Englewood

Positions: 1

CTH

Max Salary: up to 137K

Responsibilities:

Zscaler Proxy and Network Administration: 

• Primary responsibilities will be the support, troubleshooting, and administering of Zscaler network proxies.
• Will perform day to day tasks for moves, adds, changes, and updating proxy rule sets
• Be primary resource for troubleshooting including engaging with end users and providing leadership on outage bridges
• Monitor Zscaler platform services and processes
• Document setup and maintain as built drawings as changes are made
• Supporting Zscaler products like Client Connector (aka ZAPP) and Virtual ZENs
• Maintain GRE tunnels to four Zscaler endpoints
• Work with network security team to administer Zscaler PAC files
• Practical experience related to LAN, WAN, WLAN, VLAN, DMVPN, VPN, and high-availability/multipath/redundant routers, switches and firewalls in large data center environment
• Support network protocols such as: BGP, OSPF, EIGRP, HSRP, VLAN, TCP/IP, MPLS, STP, IPv4, sub-netting, routing
• Familiarity with these technologies is a plus:  Cisco ASA, Palo Alto firewalls, Cisco ISE, networking for F5 LTM/GTM, and networking for IPS/IDS
• General technical knowledge of Cisco networking technologies and platforms to include Nexus, ASR, ISR, Catalyst, ACI/APIC

Project Implementation:

• Provide advanced technical leadership for complex project work
• Supply advanced technical direction and leadership to the junior members of the data networking team
• Work with various teams to gather requirements, create specifications, and design solution for projects
• Provide hands-on implementation and ongoing care and maintenance
• Develop implementations in lab environment to prove out design specifications according to a test and validation plan
• Maintaining daily operational responsibility for reliability of the company enterprise network and proxies
• Monitors ongoing availability of network services and processes via tools such as Solarwinds Orion and Cisco Prime Infrastructure applications

Operations: 

• Follow necessary processes to ensure enterprise network systems and services meet an operational uptime of 99.95%
• Conducts advanced enterprise-level performance tuning as well as network performance audits on a regular basis
• Maintaining daily operational responsibility for reliability of the company corporate network
• Conducts advanced enterprise-level performance tuning as well as network performance audits on a regular basis
• Monitors ongoing availability of network services and processes.
• Extensive knowledge on Cisco routers, firewall, and switches (Cisco IOS, IOS-XE, NX-OS)
• Validate that customer network configurations are functioning per designs by validating log flows, event threshold settings, and alarm notification settings

Qualifications:

• Bachelor’s degree in Computer Science, Computer Engineering or related technical degree; six to eight years as a data network specialist in a medium to large enterprise network; or equivalent combination of education and experience.
• Extensive knowledge of Zscaler network proxies
• Advanced knowledge of network monitoring and performance tools such as SolarWinds Orion NPM, Cisco Prime Infrastructure, Wireshark, etc.
• Strategic thinker, strong interest and aptitude in collaborative big picture, enterprise-wide network infrastructure roadmaps.
• A commitment to improving processes and to customer satisfaction.
• Excellent written and verbal communication skills.
• Results oriented team player who will work towards meeting team commitments and ability to work within a cross-functional team.