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⛑️ Safety & Health  ·  Intermediate

Certified Occupational Hygiene Specialist

Online Certification  ·  10 Weeks  ·  Globally Recognised  ·  (COHSX)

✅ 2026 Edition 🎓 CPD Accredited 🌍 100+ Countries 📜 Digital + Physical Certificate 100% Online
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Executive Summary

Certified Occupational Hygiene Specialist

Designed for today’s high-impact professionals, the Certified Occupational Hygiene Specialist (COHSX) delivers a rigorous Intermediate-level curriculum that equips participants with the knowledge, tools and frameworks needed to excel in occupational safety, health and workplace wellbeing.

This 10 Weeks programme is structured around ISO 45001, OSHA and recognised occupational health and safety standards, ensuring every graduate applies internationally validated methods to real-world challenges.

GLI’s COHSX holders are recognised by leading organisations across Africa, the Gulf, Europe and the Americas as qualified, results-driven professionals. Whether you are advancing your current career or transitioning into new responsibilities, this certification provides the competitive edge you need in 2026 and beyond.

Programme Overview

Certification at a Glance

Certification
Certified Occupational Hygiene Specialist
Acronym
COHSX
Category
Safety & Health
Level
Intermediate
Duration
10 Weeks
Delivery Mode
100% Online
Assessment
Online Examination
Certificate
Digital + Physical
CPD Eligibility
CPD Accredited
Alumni Benefits
GLI Network Access
Self-Paced
USD 349
Live Virtual
USD 549
Target Audience

Who Should Enrol?

  • Safety and Health Officers
  • HSE Managers and Supervisors
  • Site and Operations Safety Leads
  • Risk and Compliance Practitioners
Programme Inclusions

Everything Included in Your Enrolment

  • All study materials and study guide
  • Access to GLI online learning portal
  • Online examination and assessment
  • Digital certificate and digital badge
  • Physical certificate (shipped to you)
  • CPD credits for professional bodies
  • GLI alumni network membership
  • Facilitator and tutor support
  • Resource downloads and reference library
  • Automatic enrolment confirmation
Certification Benefits

Why This Certification Matters for Your Career

Career Advancement
Accelerate your career towards senior HSE and safety-leadership roles
Professional Recognition
Credential aligned with ISO 45001, OSHA and recognised occupational health and safety standards
Leadership Capability
Develop the strategic and operational skills to lead complex occupational safety functions
Organisational Impact
Design and implement occupational safety systems that drive performance and measurable results
Compliance Readiness
Master the standards, compliance and ethical governance central to occupational safety
Global Employability
Qualify for occupational safety roles across construction, energy, manufacturing, marine and industrial operations worldwide
Competency Framework

Core Competencies You Will Develop

✦Hazard Identification and Risk Assessment
✦Occupational Health, Hygiene and Wellbeing
✦Safety Management Systems and Compliance
✦Incident Investigation and Emergency Preparedness
✦Safety Culture, Training and Behaviour
✦Professional Ethics and Governance
Course Curriculum

Programme Modules

The full programme, module by module.

1
Foundations and Strategic Context of Certified Occupational Hygiene Specialist
Certified Occupational Hygiene Specialist: industry context, trends and professional standards · Occupational safety and health principles · The business and moral case for HSE · HSE roles, responsibilities and competence
2
Wellbeing, Fatigue and Psychosocial Risk
Wellbeing, fatigue and psychosocial risk · Occupational health, exposure and health surveillance · Safety culture, leadership and behaviour · Investigation methodology and evidence
3
Legal Duties on Health
HSE legal duties and enforcement · Occupational health, exposure and health surveillance · Measuring HSE performance · Inspection, testing and maintenance
4
Investigating Ill Health
Incident investigation and root cause · Occupational health, exposure and health surveillance · Risk assessment that changes what happens · Emergency lighting and signage
5
Exposure and Health Surveillance
Occupational health, exposure and health surveillance · The hierarchy of control · Risk assessment that changes what happens · Construction and site safety
6
Controlling Exposure at Source
The hierarchy of control · Occupational health, exposure and health surveillance · Permit to work and high-risk task control · Exposure assessment and monitoring
7
Assessing Health Risk
Risk assessment that changes what happens · Occupational health, exposure and health surveillance · Measuring HSE performance · Hazard identification techniques
8
Legal and Regulatory
Evidence-based financial recommendations · Audit evidence, sampling and testing · Statutory compliance and filings · Regulatory reporting and disclosure
9
Operations and Supervision
Solvency, capital and prudential supervision · The vehicle sales process from enquiry to delivery · In-process quality control and inspection · Industrial utilities, energy and process safety interfaces
10
Security Technology
Data protection and customer privacy · Digital banking platforms and APIs · Payment technology and switches · Data, analytics and customer insight
11
Emergency and Incident
Emergency preparedness and response planning · Incident reporting and record-keeping · Risk response and contingency · Business continuity and crisis management
12
Personnel and Capability
Career and talent development · Capability and skills frameworks · Team leadership in governance · Managing resistance and capability
13
Ethics and Conduct
Integrity, confidentiality and conflicts · Anti-corruption and financial-crime ethics · Data ethics and customer privacy · Regulatory duty and accountability
14
Leadership and Command
Strategic decision-making under uncertainty · Self-awareness and the leader's identity · Ethics and responsible leadership · Quality management and standards
15
Communication and Reporting
Voice, communication and delivery · Management reporting and decision support · Governance of controls and reporting · Applying reporting standards and accounting judgement
16
Stakeholders and Liaison
The project environment and stakeholders · Stakeholder and sponsor management · Compliance and regulatory projects · Stakeholder rights and fair treatment
17
Cost, Assets and Loss
Interpreting financial statements · Budget vs actual and variance · Cost and profitability analysis · Data visualisation for finance
18
Data and Intelligence
Leading and lagging metrics · Data collection and analytics · Predictive safety analytics · Intelligence-led risk assessment
19
Planning and Design
Agile and digital transformation projects · Building project management maturity · Measuring change and project impact · Sustainability and social impact in projects
20
People Risk
Employee experience and engagement · Customer and employee satisfaction · Financial modelling and forecasting discipline · Employee engagement models and drivers
21
Audit and Standards
Digital permits and inspections · Management review and improvement · Integration with quality and environment · Certification and continual improvement
22
Health and Safety
Brand health and measurement · Measuring brand health · Sustaining ethical, effective practice · Contractor safety management
23
Change and Modernisation
Sales and marketing transformation · Measuring growth and transformation impact · Patching and change management · Ethical frameworks and codes of practice
24
Service and Public Interface
Know Your Customer and enhanced due diligence · Customer segmentation and needs analysis · Customer journey and experience design · Presentation and public speaking
25
Records and Procedure
Lessons learned and knowledge management · Professional documentation and presentation · Tender planning and documentation · Vehicle documentation, compliance and consumer protection
26
Strategy and Governance
Manufacturing strategies: make-to-stock, make-to-order and batch versus flow · Content strategy across platforms · Management accounts and dashboards · Business case and strategic alignment
27
Contractors and Supply
Complaints, accountability and fitness to practise · Subcontractor and supplier management · Legal responsibilities and professional bodies · Procurement and stock management for health commodities
28
HSE Practice
Access control, screening and visitor management · Event risk, safety and contingency planning · Managing risk and difficult cases · Lessons learned and development
29
Risk and Resilience
Interest-rate risk and gap analysis · Derivatives and risk instruments · Risk assessment and safe systems of work · Vulnerability management
30
Professional Leadership Practice
Renewals and churn management · Field sales and territory management · Tender and bid management · Reporting to leadership

Every module opens in the learning portal with its full lesson set, worked examples, further reading and video masterclasses. 30 modules · 150 lessons.

Learning Outcomes

What You Will Achieve

  • Wellbeing, Fatigue and Psychosocial Risk — applied to your own work
  • Legal Duties on Health — applied to your own work
  • Investigating Ill Health — applied to your own work
  • Exposure and Health Surveillance — applied to your own work
  • Controlling Exposure at Source — applied to your own work
  • Assessing Health Risk — applied to your own work
Enrolment Process

How to Get Certified

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Work through 30 structured modules and 150 lessons at your own pace, with downloadable resources and expert-designed content — all inside the LMS.
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Sit your final examination online, earn your certificate instantly, and receive a globally verifiable Certificate ID — plus GLI Alumni Network access.
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Frequently Asked Questions

Common Questions

What is the COHSX certification?

Yes. GLI certifications are recognised across 100+ countries and are aligned with ISO 45001, OSHA and recognised occupational health and safety standards. Graduates receive a digital certificate, a physical certificate and CPD credits recognised by employers worldwide.

Who should enrol in the COHSX?

This certification is ideal for Safety and Health Officers, HSE Managers and Supervisors, Site and Operations Safety Leads and Risk and Compliance Practitioners, and other professionals seeking to formalise their expertise in occupational safety, health and workplace wellbeing with a globally recognised credential.

How long does the COHSX certification take to complete?

The programme is structured over 10 Weeks and offers flexible learning modes. Self-paced learners can progress at their own schedule, while live virtual participants follow a structured cohort schedule with facilitator-led sessions.

Is the COHSX internationally recognised?

Yes. GLI certifications are recognised across 100+ countries and are aligned with ISO 45001, OSHA and recognised occupational health and safety standards. Graduates receive a digital certificate, a physical certificate and CPD credits recognised by employers worldwide.

What is the cost of the COHSX certification?

The Certified Occupational Hygiene Specialist is offered in two formats: Self-Paced at USD 349 and Live Virtual at USD 549. Corporate group rates are available for organisations enrolling 5 or more participants. Contact GLI for a bespoke corporate training quotation.

What does the COHSX certification include?

Enrolment includes all study materials and study guides, access to GLI's online learning portal, online examination, digital certificate and badge, physical certificate (posted), CPD credits, GLI alumni network membership, and ongoing facilitator support.

What is the assessment format for the COHSX?

The Certified Occupational Hygiene Specialist is assessed through an online examination consisting of multiple-choice questions, case study analysis, and practical application assignments. The assessment is designed to evaluate real-world competency, not just theoretical recall.

What CPD credits do I earn from the COHSX?

The Certified Occupational Hygiene Specialist carries Continuing Professional Development (CPD) credits, which can be applied towards professional body requirements including recognised international professional associations.

Can I study the COHSX while working full-time?

Absolutely. The self-paced option is designed for busy working professionals and allows you to study when and where it suits you. Live virtual sessions are typically scheduled in the evenings or on weekends to accommodate professional commitments.

What career outcomes can I expect from the COHSX?

Graduates progress towards senior HSE and safety-leadership roles. The COHSX strengthens your expertise in occupational safety, health and workplace wellbeing and positions you for advancement across construction, energy, manufacturing, marine and industrial operations.

Graduate Voices

What Our Alumni Say

“

The curriculum was directly applicable to my daily work. I immediately applied what I learned and saw results within weeks of completing the programme.

HSE Director
Private Sector
“

GLI's certification is the most practical professional programme I have attended. The international frameworks gave me credibility with my employer and clients.

Safety Manager
NGO Sector
“

I earned my COHSX while working full-time. The self-paced format made it possible, and the quality of the content is genuinely world-class.

Site Safety Lead
Government
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