Security employment contract

Critical Infrastructure Security Officer Employment Contract UK

Define strategic protective security around essential assets, credible threats and coordinated physical, personnel and information controls.

Watercolour illustration showing Critical Infrastructure Security Officer (CISO role) at work in Security on a pale sage background
This contract includes Assess threats vulnerabilities and consequences. Design and review protective controls. Coordinate suppliers vetting and access. Preview before payment PDF and editable DOCX files after checkoutBuilt for UK employers

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Reviewed for straightforward UK employer use

This page is maintained for UK employers creating critical infrastructure security officer (ciso role) contracts for security. HRHeaven uses a legally validated and solicitor-approved self-service contract framework, with wording for role duties, confidentiality, notice, holiday, probation and practical workplace expectations. It does not replace individual legal advice for complex or disputed circumstances.

Last updated
19 June 2026
Content owner
HRHeaven employment documentation team
Review standard
UK employer template review, versioned clause logic and preview before payment

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What's included in your contract

Job description

Clear role overview and key responsibilities.

Probation period

Clear probation terms for the selected arrangement.

Role-specific duties

Maintained responsibilities, records and authority boundaries for the selected role.

Working hours

Standard and flexible working arrangements.

Holiday entitlement

Holiday terms explained for the selected arrangement.

Confidentiality

Client and company confidentiality.

Disciplinary process

Clear process and employee rights.

Notice periods

Notice terms explained for both parties.

You’ll receive your contract in both PDF & DOCX formats

Download a polished PDF ready to issue and an editable DOCX copy for future updates.

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Before you create it

Use this Critical Infrastructure Security Officer (CISO role) contract with confidence

Practical checks to help an employer choose the right starting point and prepare the information the document needs.

When to use this contract

Assess threats vulnerabilities and consequences, design and review protective controls, and coordinate suppliers vetting and access.

Workplace context: Office, client premises, remote systems or assigned work locations.

What makes this role different

Follow the Employer's documented arrangements covering the critical services and asset boundaries. Follow the Employer's documented arrangements covering the threat and information classifications. Follow the Employer's documented arrangements covering the governance and decision authority. Follow the Employer's documented arrangements covering the exercise and incident framework. Follow the Employer's documented arrangements covering company policies.

Not a fit / obtain specialist advice

Recheck the role or obtain appropriate advice if the work would exceed these maintained authority boundaries: A Critical Infrastructure Security Officer develops protective security for essential facilities and services. Terms should define risk ownership, sensitive site information, threat assessment, access design, supplier assurance, exercises, incident command and regulatory liaison where applicable. The officer should not claim to eliminate risk, share vulnerability details broadly or direct technical operations outside assigned authority. Obtain approval before committing expenditure, changing contractual commitments or making regulated or staffing decisions outside the assigned role.

What to prepare before you issue it

  • the critical services and asset boundaries
  • the threat and information classifications
  • the governance and decision authority
  • the exercise and incident framework
  • the executive operational and government contacts

Day-to-day operating brief

What Critical Infrastructure Security Officer (CISO role) work looks like in practice

A Critical Infrastructure Security Officer develops protective security for essential facilities and services. Terms should define risk ownership, sensitive site information, threat assessment, access design, supplier assurance, exercises, incident command and regulatory liaison where applicable. The officer should not claim to eliminate risk, share vulnerability details broadly or direct technical operations outside assigned authority. Critical Infrastructure Security Officer (CISO role) is a security role focused on assignment instructions, access and patrol records, incident response, visitor or key control, evidence preservation, critical, infrastructure, security. The contract should describe the role's practical duties, reporting route, records, standards and compliance obligations without importing wording from another industry The Employee is employed as Critical Infrastructure Security Officer (CISO role) in the Employer's Security business. The role requires reasonable skill, care, accuracy, cooperation with management instructions and attention to the records, risks and standards specific to critical infrastructure security officer (ciso role) work The Employee must follow the security operational controls that apply to critical infrastructure security officer (ciso role) work, including SIA escalation, assignment instructions, access control, incident logs, patrol records and public interaction, accurate record keeping, escalation and safe working requirements The Employee must protect site, incident, CCTV, access-control, assignment, visitor, patrol and investigation records, including any personal data, customer or client information, operational records, pricing, credentials, security information, business plans and role-specific records accessed while performing critical infrastructure security officer (ciso role) duties Critical Infrastructure Security Officer (CISO role) work in Security must follow SIA expectations where they apply, the Employer's policies, data protection controls, health and safety rules, role records, escalation routes and training requirements relevant to assignment instructions, access and patrol records, incident response. Family: security Critical Infrastructure Security Officer (CISO role) Incident reporting Site awareness Public interaction Interdependency analysis should cover power, communications, specialist staff and external access. Recovery priorities need exercise evidence and operational ownership outside the security function.

Responsibilities reflected in the contract

  • Assess threats vulnerabilities and consequences.
  • Design and review protective controls.
  • Coordinate suppliers vetting and access.
  • Plan exercises and incident response.
  • Report residual risk and remediation.

A realistic working scenario

A Critical Infrastructure Security Officer develops protective security for essential facilities and services. Terms should define risk ownership, sensitive site information, threat assessment, access design, supplier assurance, exercises, incident command and regulatory liaison where applicable. The officer should not claim to eliminate risk, share vulnerability details broadly or direct technical operations outside assigned authority.

Outputs to agree

  • assess threats vulnerabilities and consequences
  • design and review protective controls
  • coordinate suppliers vetting and access

Records and evidence

  • The critical services and asset boundaries.
  • The threat and information classifications.
  • The governance and decision authority.
  • The exercise and incident framework.
  • Work records.
  • Handover notes.

Reporting relationship

Typically reports to Line Manager or Department Manager. Confirm the employer's actual reporting structure in the builder.

Authority and escalation

  • A Critical Infrastructure Security Officer develops protective security for essential facilities and services. Terms should define risk ownership, sensitive site information, threat assessment, access design, supplier assurance, exercises, incident command and regulatory liaison where applicable. The officer should not claim to eliminate risk, share vulnerability details broadly or direct technical operations outside assigned authority.
  • Obtain approval before committing expenditure, changing contractual commitments or making regulated or staffing decisions outside the assigned role.

Tools and systems

  • Access control systems.
  • Radios.
  • Risk assessment records.

Workplace context

  • Office, client premises, remote systems or assigned work locations.

Training and certification

  • Complete employer-required health and safety training.

Contract priorities

  • the critical services and asset boundaries
  • the threat and information classifications
  • the governance and decision authority
  • the exercise and incident framework

Information the employer should prepare

  • the critical services and asset boundaries
  • the threat and information classifications
  • the governance and decision authority
  • the exercise and incident framework
  • the executive operational and government contacts

Individually written and reviewed against the maintained role record.

Maintained role evidence

The facts this Critical Infrastructure Security Officer (CISO role) contract is built around

These role-pack details give an employer something concrete to check before using the contract for security work.

Work setting

Office, client premises, remote systems or assigned work locations.

Primary duties

  • Assess threats vulnerabilities and consequences.
  • Design and review protective controls.
  • Coordinate suppliers vetting and access.
  • Plan exercises and incident response.

Tools and training to confirm

  • Access control systems.
  • Radios.
  • Risk assessment records.
  • Complete employer-required health and safety training.

Governance focus

SIA context where applicable. Follow the Employer's documented arrangements covering the critical services and asset boundaries. Follow the Employer's documented arrangements covering the threat and information classifications. Follow the Employer's documented arrangements covering the governance and decision authority.

Contract builder output

Critical Infrastructure Security Officer (CISO role) clauses and builder inputs

HRHeaven builds the contract from the employer's answers, the selected industry, and the role-specific wording for this job.

Role wording

Critical Infrastructure Security Officer (CISO role) duties

Assess threats vulnerabilities and consequences, design and review protective controls, and coordinate suppliers vetting and access.

Assess threats vulnerabilities and consequences. Design and review protective controls. Coordinate suppliers vetting and access. Plan exercises and incident response. Report residual risk and remediation.

Builder answers

What the contract builder captures

Employer and employee details Role title and reporting line Pay, hours and working pattern Holiday, probation and notice Workplace and site rules Company branding and e-sign

Preview before purchase

Complete the builder, check the document output, then pay only when you are ready to download.

Specific clauses

What is added to the finished contract

A Critical Infrastructure Security Officer develops protective security for essential facilities and services. Terms should define risk ownership, sensitive site information, threat assessment, access design, supplier assurance, exercises, incident command and regulatory liaison where applicable. The officer should not claim to eliminate risk, share vulnerability details broadly or direct technical operations outside assigned authority.

Obtain approval before committing expenditure, changing contractual commitments or making regulated or staffing decisions outside the assigned role.

Follow the Employer's documented arrangements covering the critical services and asset boundaries.

Follow the Employer's documented arrangements covering the threat and information classifications.

£19.99 one-off contractPreview before payment, then download the branded PDF and send for signature.

Employee handbook bundle

Critical Infrastructure Security Officer (CISO role) Contract + Employee Handbook Bundle

Pair the contract with a fully customisable employee handbook and keep the role wording, workplace rules, branding and policies aligned from day one.

Industry-specific policies Contract and handbook generated together UK-focused policy content Easy to edit and maintain

After the contract

Run the employee lifecycle with HR Actions

Once the Critical Infrastructure Security Officer (CISO role) contract is created, HR Actions help security employers manage the next HR steps: recruitment, probation, performance, absence, disciplinary, grievance and offboarding.

Choose the right level of support

Single HR Action or Unlimited

Buy one HR Action for one employee process, or use HR Actions Unlimited when you expect recurring HR work.

Keep the context together

AI Workspace support

HRHeaven can pre-fill known employee, role, timeline and document facts, then asks the employer to confirm the missing details.

Stay ready for the next step

Timeline, reminders and audit

Each workflow keeps the case history, source context, reminders, documents and completion summary together.

Simple, transparent pricing

Choose the perfect solution for your business

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£34.99

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Action supportHR Actions
£4.99

Run employee lifecycle workflows with AI guidance, reminders, timeline and audit support.

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Unlimited accessHR Actions Unlimited
£9.99/month

Launch eligible HR Actions across your organisation without paying per employee case.

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Optional membershipCompliance Membership
£20.00/year

Optional yearly document maintenance, compliance reminders and update notifications.

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Frequently asked questions

Does the role guarantee no incidents?

No.

Who accepts residual risk?

The named accountable governance authority.

Are vulnerabilities restricted?

Yes.

Can the officer direct plant operations?

Only within assigned authority.

Are suppliers assessed?

Define protective-security assurance.

How are exercises recorded?

Capture objectives, findings and owners.

Who receives threat reports?

Authorised need-to-know recipients.

What is handed over?

Risks, controls, suppliers, exercises, incidents and protected actions.

View all FAQs

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