Rostering and Scheduling
Planning who works when, against demand, skills, availability and rule constraints.
Workflow
- 01Demand Forecast
- 02Shift Build
- 03Availability and Skills Match
- 04Publish
- 05Shift Swaps
If you change this
It implies 11 topics across 2 modules, including Financial Accounting which you might not expect.
See the path ahead →Why it matters
A roster is a cost commitment. Penalty rates, overtime and allowances are largely determined at the point the roster is published, not at the point pay is calculated.
- It sets cost in advance: A shift pattern that crosses a penalty boundary costs more, and the roster is where that choice is made.
- It carries obligations: Minimum breaks, maximum consecutive shifts, notice of change and fatigue rules are roster constraints, not payroll ones.
- It affects people directly: Roster stability is one of the strongest drivers of retention in shift workforces.
The workflow
- 01
Demand forecast
Required coverage is estimated by time, place and skill.
- 02
Availability and constraints
Employee availability, qualifications, fatigue rules and instrument limits are gathered.
- 03
Roster construction
Shifts are assigned against demand, cost and constraint.
- 04
Publication
The roster is issued with the notice the instrument requires.
- 05
Variation
Changes are handled with the right notice and approval, and recorded.
- 06
Actual against roster
Worked time is compared with the roster, and the variance explained.
The variance between rostered and actual is where cost leaks. If nobody reviews it weekly, the roster stops being a control and becomes a suggestion.
What you need in place
- Skills and qualifications: Held as data, including expiry — an expired ticket should block an assignment.
- Fatigue and instrument rules: Encoded as constraints, not left to the roster writer's memory.
- Cost visibility at build time: The roster writer sees the cost of a pattern before publishing it.
- Notice rules: Publication and change notice per the instrument.
- Integration with time capture: So actual against rostered is measurable rather than anecdotal.
Questions to ask
01Cost visibility
Does the person building the roster see what it will cost?
If not, cost control happens after the money is committed.
02Constraints
Are fatigue and break rules enforced by the system or by the roster writer?
Memory is not a control.
03Qualifications
Can someone be rostered to a task they are not qualified for?
In safety-critical work this is the first question an investigator asks.
04Notice
What notice does the instrument require, and does the system enforce it?
Short-notice changes carry penalties in some awards.
05Variance
Who reviews rostered against actual, and how often?
Weekly, or the roster is decorative.
Metrics and KPIs to track
Rostered against actual hours
Variance by area, with reasons.
Overtime share
Hours paid at overtime rates as a share of total.
Roster change rate
Changes after publication, and how many were short notice.
Unfilled shifts
Coverage gaps, and how they were resolved.
Qualification breaches
Assignments blocked or overridden.
Alongside this