IAC is seeking a Senior Network Engineer to architect, implement & manage network infrastructure across IAC locations.  The Engineer will work as part of a team to support connectivity requirements for IAC Corporate & subsidiary businesses at IAC HQ in NYC and Los Angeles as well as among service providers & subsidiary businesses in other locations.  The Engineer will provide primary input in network architecture & design as well as hands-on implementation & support.

In addition to design & architecture responsibilities, the Engineer will perform troubleshooting, respond to operational incidents, & participate in on-call responsibilities.  The Engineer will be expected to demonstrate strong communication skills, excellent organizational & project management skills, and have a deep & broad understanding of networking & related technologies.


  • Design & implement highly available network architectures
  • Conduct regular testing to validate DR/HA implementations
  • Manage software & hardware product lifecycles, maintain appropriate levels of vendor support
  • Manage capacity of network & related infrastructure components to balance cost & potential growth
  • Implement monitoring & instrumentation technologies & practices to proactively identify & resolve operational issues
  • Maintain network diagrams & documentation, perform regular inventories & validation to ensure accuracy
  • Follow change management policies & procedures to ensure that operational risk is minimized & that changes are conducted with appropriate documentation, communication, & testing
  • Institute methodical troubleshooting practices & effectively manage incident communication, root-cause identification, & lessons-learned
  • Planning, project management and implementation leadership, identifying opportunities for service and quality improvement


  • Minimum 8 years of relevant experience required
  • Bachelor degree in Computer Science/Engineering preferred or equivalent combination of education and relevant experience
  • Extensive knowledge & familiarity with relevant networking technologies:
    • Cisco
    • PaloAlto
    • Aruba
    • Avaya
  • Expert in Switching concepts (STP, VTP, EtherChannel, LACP)
  • Knowledge of advanced Layer 3 Routing Protocols (BGP, ISIS, OSPF, EIGRP)
  • Experience with BGP: Communities, Traffic Engineering
  • Advanced knowledge of VoIP phone systems
  • Commitment to supporting IT Processes such as change management, availability monitoring & testing, capacity planning
  • Methodical approach to troubleshooting
  • Demonstrated excellent organizational and time management skills
  • Strong communication skills – ability to effectively communicate relevant information during incidents
  • Ability to convey a strong presence, professional image, deal confidently with highly complex technical problems
  • Ability to anticipate problems, resolve ambiguity and take decisive action

About IAC

IAC is a leading media and Internet company focused on the areas of search, applications, online dating, media and eCommerce. Ranked by Fortune magazine's annual standing of the world's most admired companies in the Internet Services & Retailing sector for many years, IAC's family of websites is one of the largest in the world, with over two billion monthly visits reaching users in more than 200 countries. The company is headquartered in the Chelsea neighborhood of New York City and has business operations and satellite offices around the world.

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