How to Write a Good Job Description: Step-by-Step Guide for Employers

A good job description gives candidates a clear picture of the role and helps employers attract people with the right skills. A weak description can create confusion, discourage suitable applicants or lead to mismatched expectations after someone is hired.

This guide explains how to write a clear, practical job description that focuses on the real work, essential requirements and working arrangements. Candidates can also read our guide on what a job description is and what to look for.

What Is a Job Description?

A job description explains the purpose of a role, its main responsibilities and the skills, experience or qualifications needed to perform it. It should describe the work clearly without filling the page with vague buzzwords.

Why a Good Job Description Matters

• It helps suitable candidates understand the role.
• It gives hiring managers a clearer basis for screening applications.
• It reduces confusion about priorities and responsibilities.
• It supports more consistent recruitment and onboarding.

Step 1: Start With a Clear Job Title

Use a title that candidates are likely to recognise. Avoid internal jargon unless it is explained. If a role has several common titles, choose the clearest primary title and mention relevant variations naturally in the description.

Keep the title accurate

The title should reflect the level and type of work. Calling an entry-level role “manager” may attract the wrong applicants and create unrealistic expectations.

Step 2: Write a Short Role Summary

Explain why the role exists and how it contributes to the organisation. Keep this section concise and practical.

Example structure

“The [Job Title] will support [team or business purpose] by [main contribution]. The role involves [two or three core areas of work].”

Step 3: List the Main Responsibilities

Focus on the work the person will actually do. Start each point with a clear action where possible. Keep the responsibilities aligned with the main purpose of the job description and avoid adding duties that are unlikely to be part of the role.

• Manage customer enquiries and follow up agreed actions.
• Prepare accurate reports and maintain relevant records.
• Work with colleagues to deliver agreed projects or services.
• Identify routine problems and escalate issues when necessary.

Separate essential duties from occasional tasks

The most important responsibilities should appear first. Do not overload the description with every possible task the employee may ever perform.

Step 4: Define Essential and Desirable Requirements

Separate what the candidate genuinely needs from what would simply be helpful. This makes the advert easier to understand and can widen the pool of suitable applicants.

Essential requirements

These are skills, qualifications, experience or legal requirements needed to perform the role safely and effectively.

Desirable requirements

These are useful but not essential. Label them clearly so candidates do not assume they are automatically unsuitable.

Step 5: Include the Skills That Matter

Avoid long lists of generic qualities. Connect each skill to the work. For example, instead of simply writing “excellent communication skills”, explain whether the role involves presenting information, dealing with customers or working with senior stakeholders. Keep only requirements that are genuinely relevant to the role; current UK government guidance also recommends reviewing long lists of must-have criteria and using behaviour-based requirements.

Step 6: Explain Working Arrangements

Where possible, state the location, working pattern, contract type, reporting line and whether travel, evenings or weekends are expected. Clear information helps candidates decide whether the opportunity is practical for them. For wider recruitment planning, see our recruitment strategy guide.

Step 7: Add Salary and Benefits Information Where Appropriate

Salary information can help candidates assess whether the role fits their expectations. If a fixed figure cannot be given, explain the basis of the range where possible and avoid misleading claims. Check the current requirements that apply to your organisation and vacancy. Clear role information also helps candidates prepare for job interviews.

Step 8: Use Clear and Inclusive Language

Write in plain English and remove unnecessary jargon. Focus on what the person needs to do rather than using fashionable phrases that add little meaning. Inclusive wording and accessible formats can also help reduce unnecessary barriers in recruitment.

Common Job Description Mistakes to Avoid

Copying an old description without reviewing it

Roles change. Check that the responsibilities and requirements still reflect the actual job.

Creating an unrealistic wish list

Too many “essential” requirements can discourage capable applicants. Keep only the criteria that genuinely matter.

Using vague responsibilities

Phrases such as “support the team as required” should not replace a clear explanation of the main work.

Forgetting the candidate’s point of view

A job description should help someone understand the role before applying, not simply record an internal list of management expectations. Employers should also avoid discriminatory wording and unnecessary criteria in job adverts and recruitment materials.

Job Description vs Person Specification

A job description explains the role and responsibilities. A person specification focuses on the qualities, skills, experience and qualifications the employer wants in the candidate. Keeping the two ideas separate makes recruitment information easier to understand.

Final Checklist Before Publishing

• Is the job title clear and accurate?
• Does the summary explain the purpose of the role?
• Are the main responsibilities specific and realistic?
• Have essential and desirable requirements been separated?
• Are working arrangements clearly explained?
• Is the language easy to understand?
• Have unnecessary or outdated requirements been removed?
• Have the essential criteria been separated clearly from desirable criteria?
• Have accessibility, reasonable adjustments and inclusive wording been considered?

Frequently Asked Questions

How long should a job description be?

It should be long enough to explain the role clearly but concise enough for candidates to scan. Prioritise useful information over filler.

Should every job have a person specification?

Not necessarily as a separate document, but employers should clearly communicate the skills and requirements needed for the role.

Can I use a template?

Yes, provided you review and adapt it to the actual responsibilities and working environment.

Final Thoughts

A strong job description is clear, accurate and useful to both employers and candidates. Start with the real purpose of the role, explain the main responsibilities and be honest about the skills and working arrangements required. Once the advert is ready, use your requirements to support a focused CV and application process. For recruitment planning beyond the advert itself, see our guide on how to improve your recruitment strategy.