LinkedInAndrew Williams

Andrew Williams

at Nextivity Inc.

Swindon, United Kingdom
  1. Nextivity Inc.
  1. Ubiquisys Limited,
  2. aard42 Limited,
  3. IPWireless
  1. University of Hertfordshire
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Nextivity Inc.

Nextivity Inc.

Technical Support Manager, EMEA

– Present

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In addition to my degree I am a member of the British Computer Society (MBCS) and have the professional qualifications of Chartered Engineer (CEng) and Chartered IT Professional (CITP).

I have very broad experience in software development, systems and network engineering, technical sales and project management for a wide variety of communications technologies and systems.

This skillset allows me to quickly adapt and be productive in a wide variety of environments.

Specialties:Wireless networks, system and product architecture for Network Management Systems, RADUIS AAA systems, broadband wireless systems and core networks, UMTS femto cells, system engineering, pre-sales technical support, post sales technical support, project management, IP networks


Technical Support Manager, EMEA

Nextivity Inc.
– Present (6 years)

Responsible Nextivity's pre and post sales support activities in the EMEA region. Supporting the Cel-Fi 3-hop self-install smart repeater incorporating IntelliBoost.

Solution Architect

Ubiquisys Limited
(1 year)

Working with technology partners and network operators to bring femto cell technology successfully to the mass market.

Chief Consultant

aard42 Limited
(1 year 4 months)

Encompasses a wide range of activities, for example:

Due Dilligence

Software and systems engineering and development

Pre-sales support

Project Management

various, up to Director, Network Architecture

(7 years 11 months)

Held a wide variety of positions and responsibilities, including systems architecture, project management, systems engineering, pre sales technical support and post sales technical support.

Systems Consultant

Lucent Technologies
(4 years 2 months)

Consultant Engineer: Wireless Local oop (AirLoop), Network Management, HP OpenView, C, C++, team leader, O&M system architect

Consultant System Engineer, NSUK: Pre-sales support IP networking products, NAS/RAS, RADIUS, ATM inverse Muxing, O&M, RFI/RFP/RFQ support

Consultant System Engineer: GSM OMC Strategic Development, Fault Management, MML adapters, Java, C++

Consultant System Engineer: UMTS Development, OA&M architecture, RFI support

Software Engineer, Senior Software Engineer, Principal Engineer

AT&T Network Systems
(7 years 1 month)

Five distinct positions in seven years...

Software Engineer: billing subsystem, on the AT&T 5ESS digital voice switch (Malmesbury, UK)

Software Engineer: SS7 TUP, 5ESS digital voice switch, C, awk, code generator tools (Malmesbury UK)

Software Engineer: Intelligent Networks, Service Control Point, SS7, TCAP, performance engineering, software configuration management (Columbus Ohio, USA & Malmesbury UK)

Senior Software Engineer: Passive Optical Networks and SDH transmission management systems, CMIP, OSI network management, C, SDL CASE tools, system architecture (Malmesbuty, UK)

Principal Engineer: Wireless Local oop (AirLoop), Network Management, HP OpenView, C, C++, team leader, O&M system architect (Chippenham, UK)


  • IP
  • Wireless Networking
  • Systems Engineering
  • Pre-sales
  • Wireless
  • Telecommunications
  • GSM
  • UMTS
  • Switches
  • SDH
  • SS7
  • Network Architecture
  • System Architecture
  • Software Development
  • Networking
  • Core Network
  • Network Administration
  • Network Engineering
  • See 3+  See less


University of Hertfordshire

BSc, Computer Science

Activities and Societies: Chair of the Film Union and the Film Society.


British Computer Society (MBCS)

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