Senior Network Engineer
Cloudmark - San Francisco, CA

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Cloudmark is a venture-backed, privately-held anti-spam technology company, headquartered in San Francisco, California, that produces high performance messaging security solutions to the world’s largest ISPs, mobile and social networks. Our customers include over 100 of the world's largest Internet service providers and mobile network operators, including tier-1 operators in North America, Japan and Europe.
Responsibilities

Provide leadership-level role in designing, deploying, and maintaining Cloudmark network infrastructure.
Maintain network and perimeter security from top to bottom
Interface with network service and colocation providers on networking deployment and issues resolution.
Interface with customers and partners to deploy VPN tunnels
Contribute to the development of operational tools and procedures.
Provide on-call and scheduled support for the production service (one in every four weeks)

Education

Education: CCNP/CCVP desired

Experience

5+ years in an internet service provider operations/engineering environment, contributing directly to network configuration and support

Experience: Desired Vendor/Technology Experience

Cisco IOS (Switching, routing – BGP and OSPF, VPN tunnels)
Cisco ASA (Firewall, VPN, OSPF)
Vyatta (Point-to-point OpenVPN L3 and GRE L2 tunneling)
A10 AX Load Balancers (L4-L7 balancing)
VMware networking, including VDS

Skills Required

Expertise in configuring, deploying, and diagnosing an array of networking equipment (switches, routers, load balancers, firewalls). See above for the “Desired Vendor/Technology Experience”
Understanding of BGP and OSPF protocols, configuration, and deployment
Solid understanding of TCP/IP protocols and daemons (dns, http, pop/smtp, rsync, ssh)
Keen awareness of criticality of production service administration

Skills Desired

Ability to design and deploy a TCP/IP based network, with address allocation, domain name services, mail services, web services, database services, file services, security services
Knowledgeable in DDoS prevention strategies
Linux and Windows systems administration.
Experience with spam prevention
Internet mail systems and protocols
Visio and procedural documentation production

Cloudmark is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, or Vietnam era, or other eligible veteran status, or any other protected factor.

Cloudmark - 13 months ago - save job - block
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