Temporary workforce access

Overview

Organisations can issue temporary workforce credentials that prove role, training, and site clearance, then verify them at entry or system access points.

The verifier does not need to manually reconstruct the worker’s eligibility from emails, spreadsheets, and contractor portals. It needs a current proof that the worker is allowed to access a defined site, system, or task.

Why it matters

Short-term staff create high onboarding overhead and risk. Contractors, surge teams, seasonal workers, and project staff may need access quickly, but access must still expire and respond to changes in training, role, or engagement status.

Verifiable Credentials create a cleaner model:

• employers and training providers issue role, engagement, and training credentials
• workers present credentials at access points
• verifiers check current status before granting entry or system access
• credentials can expire automatically or be revoked when the engagement changes

Ecosystem roles

• Issuer: Employer, labour hire provider, site operator, or accredited training provider.
• Holder: Contractor, temporary worker, or short-term staff member.
• Verifier: Physical access systems, application services, site induction systems, and security teams.
• Trust governance: The rules that define accepted issuers, site scopes, training requirements, expiry, and revocation.

Trust decision

The verifier decision is narrow: can this temporary worker access this site, system, or task right now?

That decision may depend on engagement status, site assignment, role, training, clearance, expiry, and current revocation status.

Privacy and assurance

The verifier should request only the claims needed for the access decision. A gate entry decision may need site clearance and training proof; an application decision may need role and engagement status.

Assurance depends on checking issuer trust, credential binding, expiry, status, and whether the requested access is within scope.

Implementation notes

• Align credential expiry with contract, roster, or project dates.
• Keep training and clearance credentials separate where they are issued and revoked by different authorities.
• Define offline or degraded-mode behavior for remote sites.
• Record verification outcomes for audit without storing unnecessary personal or employment data.

Objective

Provide safe, time-bound access for temporary staff.

Description

Issue workforce credentials tied to role, site, training, and expiry, then verify them at access time.

Actors

Employer, labour hire provider, contractor, training provider, and site or system operator.

Dependencies

Training and clearance data sources, issuer trust registry, workforce credential schemas, status endpoints, and access policy.

Preconditions

The worker is engaged for the role and required training or clearance credentials are current.

Postconditions

Access is granted, denied, or escalated within the approved scope and duration.

flowchart LR
    EMP@{icon: "tabler:building", label: "Employer", pos: "b"} -->|Issues workforce VC| WAL@{icon: "tabler:wallet", label: "Wallet", pos: "b"}
    TRAIN@{icon: "tabler:certificate", label: "Training provider", pos: "b"} -->|Issues training VC| WAL
    WAL -->|Present VCs| VER@{icon: "tabler:id-badge", label: "Access control", pos: "b"}
    VER -->|Grant access| SITE@{icon: "tabler:helmet", label: "Site / system", pos: "b"}

sequenceDiagram
    participant Employer
    participant Trainer as Training provider
    participant Wallet
    participant Worker
    participant Access as Access control

    Employer-->>Wallet: Issue workforce VC
    Trainer-->>Wallet: Issue training VC
    Worker->>Access: Present credentials
    Access-->>Worker: Access granted or denied