Ottawa.ca
Most city of ottawa jobs are internal I will keep an eye out there is one but you require a computer science degree?
Sometimes ottawajobshop.ca has stuff
Try Federal Government:
http://www.gojobs.gov.on.ca/mbs/gojobs/gojobs.nsf/GoJobsHome!OpenForm&Seq=3
http://www.jobs-emplois.gc.ca/jobs/ottawa_e.htm

Ciena.com
Nortel
JDS Uniphase (jdsu.com)

If i think of some other's I will let you know!!

Mike