Services · Scale-Up

Proposed structure of the Internal Audit department

SIA

Designs the proposed internal audit department structure, including roles, reporting line, staffing levels, independence safeguards and implementation path.

What changes

Stronger accountability, transparency, risk management, assurance coverage and governance oversight.

What you get

Internal audit department structure options and staffing plan, with organisation chart, reporting lines and independence safeguards SIA002
Job descriptions for the CAE, Senior Internal Auditor, Internal Auditor and audit support staff, each with minimum qualifications and years of experience SIA001
Department mandate and delegation annex, aligned with the Internal Audit Charter SIA003
Board / RAC approval pack: resolution adopting the structure, mandate and JDs with the costed staffing plan IAC003
Annual structure, mandate and JD review checklist SIA004

What has to come first

IASInternal Audit Services - Inhouse Recommended

The function design and capacity decision paper sets the in-house model and budget envelope this structure fills
IACInternal Audit Charter Recommended

An approved Internal Audit Charter defines the mandate the department structure serves
NAHNeeds Assessment Report - National Head Quarters or NABNeeds Assessment Report - Branch/District Recommended

Needs assessment findings on risks and control gaps ground the sizing and coverage decisions

Who is involved

From the National Society's side. This is what the engagement asks of your people.

Your own staff work alongside the adviser throughout, so this is a commitment of their time as well as the Centre's. Ask in the request and you are given the day estimate per role before anything is signed.

Role	What they do
HNS Governing Board and Risk and Audit Committee	Approve the structure, mandate and JDs
HNS Secretary General	Sponsors the design and tables the resolution
Chief Audit Executive / Head of Internal Audit	Owns the structure once appointed
HNS HR department	Grades the JDs and runs recruitment
HNS Finance Director	Management counterpart for budget and coordination
GFDC delivery team	Designs and advises

How it is measured

Indicator	Target	Evidence
Structure, mandate and JD set approved by the Board / RAC within target time of kick-off	12 weeks	Board / RAC resolution; signed approval pack
JDs state minimum qualifications and years of experience for every role, including the CAE	100% of roles	Approved JD set
CAE position filled per the approved JD and staffing plan	Within 6 months of approval	Appointment letter; HR records
First annual structure, mandate and JD review scheduled with a named owner	Within 12 months of approval	SIA004 checklist; RAC workplan

Tools

5 of 5 ready to download.

SIA001 Sample JDs for internal audit function Example DOCX
SIA002 Internal audit department structure options and staffing plan Template DOCX
SIA003 Department mandate and delegation annex Template DOCX
SIA004 Annual structure, mandate and JD review checklist Template DOCX
IAC003 Board / RAC approval pack Template DOCX

Standards

IIA International Professional Practices Framework (IPPF)
COSO Internal Control - Integrated Framework
HNS Delegation of Authority (DoA) and governance ToRs
HNS Internal Audit Charter and risk-based audit plan
IIA Three Lines Model
IIA Internal Audit Competency Framework

Describe the problem, not the service

You do not need to know which of the 124 to ask for.

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