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WorkforceGlossary Term

Instrumentation Technician

A tradesperson who installs, calibrates, and maintains measurement and control instruments on oil and gas or industrial sites. Subcontractors commonly supply these specialists for commissioning, turnarounds, and brownfield projects. They typically hold Red Seal certification and may require site-specific safety tickets.

Related Terms

Shift Rotation

Workforce

A scheduled cycle that determines when field crews work and rest, commonly structured as 14 days on and 14 days off in remote oil and gas sites. Subcontractors must account for rotation schedules when planning crew mobilisation and labour costs. Misaligned rotations between a subcontractor and prime contractor can cause costly coverage gaps.

SJT (Situational Judgment Test)

Workforce

A pre-hire assessment used to evaluate how candidates respond to realistic workplace scenarios. Operators and prime contractors use SJTs to screen field workers for safety judgement and decision-making. Subcontractors may encounter these tests when onboarding crews for client-managed worksites.

Vertical Joint Employment

Workforce

A legal finding where both a subcontractor and a client company are considered employers of the same field workers. This exposes subcontractors to shared liability for wages, overtime, and labour standards violations. Regulators in oil and gas and construction actively scrutinise these arrangements.

Utilisation

Workforce

The percentage of time your crew or equipment is actively deployed on billable work. Low utilisation means idle resources eating into your margins. Subcontractors track this closely to assess profitability and plan workforce levels.

Horizontal Joint Employment

Workforce

Occurs when two unrelated companies — such as a labour agency and a subcontractor — are considered co-employers of the same worker. Both parties may share legal responsibility for wages, overtime, and labour standards compliance. Field service firms must understand this to avoid unexpected liability for workers hired through third-party staffing arrangements.

Independent Contractor

Workforce

A self-employed individual or company hired to complete specific work under contract, rather than as an employee. In field service, this covers most subcontractors supplying labour or specialised skills to operators and prime contractors. Independent contractors are responsible for their own taxes, insurance, and equipment.

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