Bill Hulley Email & Phone Number

London, Gb

London, Gb

Broomfield, Colorado, Us

Capacity analysis and augment planning of IP interconnect, peering points, CDN cluster sizing and location using multiple data sets - netflow, BGP, CDN server logs. Analysis of CDN service performance at edge, mid-tier, parent and origin.Analysis of IP paths to Access networks and geographic regions within those networks. Use of GIS data-sets to propose new CDN cluster locations and interconnects.CDN service quality analysis (QoE) for CDN service using Conviva, Cedexis, Dynatrace, RIPE Atlas. Netflow analysis of IP transit customer traffic patterns.Development of scheduled and ad-hoc reporting using Perl, Python, R and Excel.Investigation of traffic patterns and anomalies to discover performance issues,presentation of findings to stakeholders. Planning of remedial actions.

San Jose, California, Us

Provisioning private peering capacity between Google and partner networks, utilising data centre cross connects, dark fibre, DWDM, transmission elements, 10GE, 100GE and bundles. Liaison with partner network engineers and provisioners to coordinate the installation, testing and handover of IPv4/IPv6 private peering and Internet exchange public peering. Order management, troubleshooting, service documentation.

Middlesex, England, Gb

Member of the "IP Network Development, Content & Transport" team with design responsibility for integration and operation of third party CDN infrastructure into the Sky Broadband network.Projects:Providing technical direction for public peering, private peering and management of transit resources. Working with Akamai, Level3, Google and Netflix to deploy significant volumes of CDN capacity into the Sky Broadband network, designing service mapping to maintain locality of content delivery, constraining costs and improving service quality.Operating in a consultative role to other areas of the business supporting design and configuration changes of the Akamai and Level3 services used by Sky for the delivery of linear and on demand OTT video to a wide range of client devices.DNS resolver service anycast routing design to balance client load over multiple server clusters within latency and service failure constraints.

Redwood City, Ca, Us

Working as part of the Global Infrastructure Services architecture team developing new services and improving existing deployments.Major projects:Game Content Delivery Network - multi-topology WAN supporting bulk transfers between global development teams.Firewall deployment - delivery of standardised centrally managed firewall platform across the entire enterprise.Configuration standards development - Development standards for WAN routers, working with Security and Risk Management department.Call centre VoIP - Migration of call centre voice traffic from TDM circuits to a IAAS platform (LiveOps)Deployment, operation and support of multi-site MPLS IP VPN corporate network. Development of DiffServ QoS profiles, capacity planning. Management of multi-homed BGP Internet edge networks, perimeter firewalls, high throughput IPsec DMVPN.Data identification, collection, processing and analysis supporting network operation, capacity planning and descision making processes.

London, Gb

Design, implementation, operation and support of a managed hosting service. Providing scalable and highly available hosting for complex web sites and applications.Management of a mutil-homed BGP network (AS43219) provisioned at multiple data centres with multiple upstream IP transit providers using Juniper routers and switches. Design and implementation of inter-data centre wide area network, distribution, access networks, load balancing (Zeus) and firewalls (ASA, Vyatta). IP transit capacity planning and supplier negotiation.Research and deployment of IPv6 in time for IPv6 Day (8th June 2011).Design and implementation of high availability mass storage servers providing iSCSI and NFS services using OpenSolaris and ZFS.

New York , New York , Us

Requirements capture, specification, evaluation, design and project management of the implementation of a next generation network platform (MPLS IP VPN on Cisco 6500 and VMware ESX on Dell/EMC). Providing resilience and diversity through multiple data centres to ensure business continuity and using virtualisation technologies to consolidate services and constrain costs.Managing a team of three network engineers to design, maintain and operate a growing network and a growing business. Delegation of individual design and implementation tasks whilst maintaining an architectural overview. Ensuring professional development of staff. Setting standards of documentation and collaboration.Design, implementation and operational management of core, access and wide area network services for ADSL connectivity to gaming and gambling terminals in pubs and licensed betting offices. Management of wholesale ADSL service, terminating 8000 ADSL sessions into a data centre network with 100+ servers. Design and programming of a web-based management system to automate the configuration and firmware management of 8000 ADSL CPE routers. Development of systems to create an overlay network providing wholesale access points to a major UK WISP.

Gb

Installation, deployment and operation of multiple highly resilient n-tier JSP/EJB/Oracle web and wap portals running on Sun Sparc and Solaris. Typically 40-100 Sun servers per portal, ranging from Netra T1s through to 420s and 4500s.

Re-implementation of Netscape / iPlanet LDAP server infrastructure to improve resilience and availability. Verification of failover functionality, development of procedures to cope with server failure. Day to day maintanence and administration of LDAP service containing over 300,000 objects.

Technical analysis of broadband IP access products, access provider networks and likely service quality for broadband content delivery. Development of tools to monitor streaming server platform availability and quality of delivered streams. Design and development of an n-tier J2EE application server environment, using the Orion JSP/EJB application server and Oracle database.

London, Greater London, Gb

Responsible for the operation and development of the College-wide IP and AppleTalk network and application services, ATM link into the London MAN, and long term network strategy.

Responsible for the architecture, design and implementation of Demons network management needs. Identification of needs, researching solutions, evaluation of potential technologies. Liaison with other departments within the company to coordinate use of network management systems.

Bsc (Hons), Computer Science

Mathematical Sciences