Software Engineer, ICL (International Computers Limited) 1988-1992

Project overview: fault-tolerant X.400 email server development aimed at national telecommunications companies.


  • Designed and developed operating system interface library functions, simplifying porting between ICL’s DRS/NX operating system and Stratus’ fault tolerant VOS platform.
  • On-site and remote technical assistance for MCI New York, a major test site for the project.

Technical environment:

  • Hardware: Stratus (IBM System/88); ICL DRS series
  • Operating systems: VOS; DRS/NX
  • Languages: C; shell
  • Other: X.400; BS 5750 (which became ISO 9001)

(Note: ICL became part of Fujitsu.)