Raj Singh

Experience

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  AT&T Hosting

  Jan 2001 - Jan 2003

  Data Center Specialist

  • Responsible for integrating customer’s network into AT&T’s backbone. • Gathering customer specific network specification (OSPF, BGP), bandwidth and hardware infrastructure requirements. • Install and maintain LAN/WAN elements using Cisco 12000 GSR, 7200, 3600, 2600, 2500 series routers, and Cisco 6500, 5500, 4000, 3550, 2900 series switches. Foundry Big Iron 8000, 4000 and FastIron switches, implementing VLAN, VTP domains and Trunk links. • Implement VPN connectivity using Cisco VPN 3000 concentrators and VPN clients. • Provision WAN circuits (OC-48, OC-3, ATM, Packet over Sonnet (Sonnet), GB fiber, Fast Ethernet, GB Ethernet, DS-3, T-1, frame relay, ISDN, POTS) and protocols like OSPF, BGP, EIGRP, HSRP and VRRP. Monitor DWDM signaling with common backbone personal. • Troubleshooting network front-end and back-end issues using Fluke OptiView, DSP 4100 cable analyzer, T-Berd 310 (backend), and Fluke One Touch. • Maintain and troubleshoot client problems in addition to repairing servers, i.e., web systems and DNS, mail, and news servers. Trouble ticket resolution using Remedy to provide timely response. • Gathering network statistics and polling using SNMP enabled Cisco Works. • Provided collateral administrative responsibilities for Biometrics and CCTV security of AT&T company infrastructure. Show less

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  Microsoft

  Jan 2003 - Jul 2003

  Network Engineer

  • Perform network investigation, problem diagnosis, and fix network problems. • Provide analysis, and support for routing and switching equipment used across MSN’s Internet Data Centers throughout the world. • Provide help with implementation of integrated network equipment and applications.• Act as a technical advisor to work groups and managers. • Perform network monitoring, problem management and troubleshooting for all activities related to the operation of the network and protocols like OSPF, BGP, HSRP, SNMP, RMON. Hardware: OSR routers (Optical SONET Ring), GSR’s, Cisco Catalyst 6500 switches, Content Switch Modules (CSM), Content Services Switches (CSS), Load Directors (LD), and WAN circuits like OC-192, OC-48, OC-3 and DS3, T1 frame circuits. Show less

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  InfoSpace, Inc.

  Jun 2003 - Oct 2007

  Sr. Network Engineer

  • Design two new Data Centers for InfoSpace production and new business units. Provide tier 3 support for the production sites and services - troubleshoot technical problems as they arise, design and implement long term solutions.• Design, configure and maintain InfoSpace production and corporate networks. Performance and capacity planning: monitor, reconfigure and tune network hardware (Cisco 7600, 7500, 7200, 3600 routers and 6500, 3748, 3550 switches), firewalls (Cisco PIX 535, 515 and Checkpoint Nokia) and load balancers (F5 BigIP and 3DNS) for performance improvements and future scalability. Provides technical leadership in design and administration decisions for InfoSpace company properties and systems. • Work closely with senior management, system administrators and developers providing support and technical expertise.• Plan & participate in scheduled off-hours service outage upgrades.• Perform and document network operations processes and procedures including installation and testing of network upgrades, fail over, and configuration documentation.• Maintain all load balancers and provide for geographic redundancy.• Communicate issues clearly to business and technical groups within the company.• Facilitate the planning of system and feature upgrades.• Enforce network security procedures. Participate in budget, RFP, and contract negotiations. Show less

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  Demand Media

  Oct 2007 - Jul 2012

  Senior IT Operations Director responsible for the strategy, architecture, engineering and management of Demand Media’s Network Engineering, Database Operations, Application Operations Teams and supporting infrastructure. • IT and Business liaison to the biggest business unit within the company.• Work with the business unit in developing infrastructure plans and in designing and implementing new or modified plans to ensure effective business solutions.• Manage the planning, configuration, installation, and coordination of enterprise systems, ensuring a cost-effective and efficient infrastructure that will provide the processing power essential to business unit and departmental operations.• Responsible for the technical architecture and recommendations related to IT infrastructure.• Review, prioritize, organize, and delegate multiple Business and Companywide projects during small periods.• Effectively managed and planed division’s financial objective.• Help with idea and revamping of business application to achieve 13x capacity increase.• Worked to achieve 99.9% up-time for applications, and systems.• Formed and lead DDoS defense team to protect company from increasing DDoS activity and SLA penalties. Show less Served as the primary point-of-contact for network engineering services, network and application availability, network scope expansion and contract management to ensure Business Units needs are met.• Ensured timely response to internal customer emergencies and outages during working hours and on an on-call basis to provide optimal service levels.• Developed and promoted Network Engineering Standards and Best Practices to drive reliability and efficiency.• Worked on projects and network designs based on internal architectural standards and design patterns.• Ensured prompt repair of any failed or degraded equipment and ensure proper operation and maintenance of all equipment.• Communicated issues clearly to business and technical groups within the company.• Align IT objectives with Business objectives. • Defined Network Engineering Operational Roadmap.• Proactively supported project teams throughout the enterprise that are developing distributed applications. Prepared and recommended and oversaw development of operating and personnel budgets.• Built and deployed DDoS (Distributed Denial of Service) defense network and operating procedures. Show less Responsible for the development, implementation, production support and overall management of networking hardware for multiple global, geo-diverse Internet and Ecommerce infrastructure production environments; in a remote hands / lights out data center architecture that is managed centrally. • Oversaw the work of network engineering personnel to ensure timely and accurate service and technical support to internal customers. • Provided mid-to-expert level technical leadership in design and administration of geo-diverse, highly available networks.• Responsible for the technical architecture and recommendations related to LAN/MAN/WAN internetworking.• Manage multiple vendor relationships supporting Network Engineering team• Assist in the design and implementation of new products, services, applications, and technologies.• Assist in department level annual budget planning and implementation. Show less

  • Sr. Director, IT Operations

    Mar 2011 - Jul 2012

  • Director Network Engineering

    Mar 2009 - Mar 2011

  • Manager Network Engineering

    Oct 2007 - Mar 2009
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  Multiple Technology Companies

  Aug 2012 - now

  Technology Advisor to Company Board, C-Level, and Executive Management

  Working closely with C-level and Executive Management teams to understand business/technology vision and devise organization's current and future technology road-map strategy.• Cloud provider evaluation.• Migration to Cloud.• Private and Public Cloud Infrastructure Design and Deployment• Business Continuity, Disaster Recovery• Technology roadmap.• Enterprise Architecture• Managed (IT) technology solutions.• Data Center Architecture, Design, Install, Config• Data Center procurement, planning, design, implementation, and migrations.• Network Architecture, Design, Install, Config• Network scaling, high-availability, and disaster recovery.• Complete network evaluations, testing, design, and deployment.• Technology hardware evaluation, testing, and procurement.• Core Network system deployment, maintenance, upgrades, and migrations for: Juniper, Cisco, F5, Netscalers, and Arbor Networks.• Bandwidth and Internet provider evaluation, testing, deployment, migration and procurement.• Denial of Service solution evaluation, design, and deployment• Denial of Service (DDoS) mitigation. Show less