High Voltage Supervisor

This role runs the switchyard day to day, delivering safe, compliant and scheduled execution of maintenance through the hourly crew and contractors. It holds the field safety discipline required around high energy apparatus and provides the independent field check that high consequence work requires.

Scope covers the switchyard, rectifier and direct current system, running from the utility point of interconnection through the 161 kV yard, main and regulating transformers, rectifier transformers, rectifiers, the station direct current system and the cables to the Celtron line current control unit, stopping at the busbars out of the rectifiers.

Qualifications/Skills/Knowledge & Education Recommendations:

Required Qualifications

• Substantial experience supervising electrical craft in a heavy industrial environment
• Demonstrated competence around high voltage apparatus, switching, isolation and earthing, or the clear capability to obtain 161 kV switching authorization within a defined period
• Working knowledge of transformers, breakers, station direct current systems and rectifier plant
• Experience in a unionized workforce
• Planning and scheduling discipline, with evidence of holding schedule compliance rather than reporting it
• Hands on computerized maintenance management system experience, preferably SAP PM
• A personal safety standard that holds under production pressure

Preferred Qualifications

• Formal qualification in an electrical discipline
• Substation, switchyard or transmission maintenance experience
• Contractor management on capital and outage work
• Experience in metals, mining, cement or comparable continuous process industry
• Familiarity with NFPA 70E and NESC requirements in an owner operator setting

Roles and Responsibilities:

1

Learn, accept and live Century Aluminum's Safety Mission Statement

2

Issue and control permits to work, and independently check the isolation boundary before high consequence work begins

3

Hold 161 kV switching authorization and provide the second authorized person for independent checking of critical switching

4

Prepare and execute routine switching, maintain the live operating lines, switching logs, and verify the post switching system state

5

Audit field execution of lockout and tagging, conduct pre job briefings, and control switchyard access, escorting, key control and contractor entry

6

Own the electrical protective equipment inventory, certification currency and removal from service

7

Build the weekly maintenance schedule, measure schedule and preventive maintenance compliance, and prepare craft ready work packages

8

Verify completed maintenance against acceptance criteria before release for service, and record and evaluate deferrals and backlog by risk

9

Negotiate outage windows with operations, plan, resource and execute the outage schedule

10

Supervise the hourly crew including leave, timekeeping, time entry, performance management and the union interface

11

Define the competency matrix, deliver and record craft training, and periodically assess and reauthorize switching and isolation competence

12

Manage overtime, call out cost and labor cost control

13

Supervise contractor site execution, safety compliance and access, accept completed work, and own term and annual contractor agreements

14

Own switchyard civil, fence, drainage and oil containment condition, Sulphur hexafluoride records, transformer oil control and spill response readiness

15

Record temporary jumpers, lifted leads, disabled alarms and test blocks, and independently confirm restoration of permanent settings after protection work

16

Own the yard rounds Programme, corrective action closure and verification of effectiveness, and switchyard reliability reporting

17

Own the standby roster and provide rostered first line call out response

18

Plan and run periodic drills on the most consequential electrical scenarios

19

EEO/AAP: This position has the responsibility to support and carry out the Company's policy on Equal Employment Opportunity/Affirmative Action.