Maintenance Job Descriptions Carpenter – 2016 Computer Network Technician Level 1 – 2018 Computer Network Technician Level 2 – 2016 Courier – 2016 Electrician – 2015 Equipment Operator – 2016 HVAC Mechanic – 2015 IT Helper – 2017 (Prelim) Labourer – 2014 Lead Hand – 2009 Millwright – 2015 Painter-Decorator – 2014 Plumber Gasfitter – 2015 Senior Computer Network Technician – 2018