- C Developer
- Cabinet Maker Carpenter
- Cabinetmaker
- Cable Electrician Operator
- Cabler
- Call center Agent
- Call Center Operator
- Call Centre Supervisor
- Calligrapher
- Camera Operator Editor
- Camera Operator Editor Technician
- Cameraman
- Canine Breeder
- Capability Manager
- Capital Markets Consultant
- Captain
- Captain of the Merchant Navy
- Car Body Workshop Manager
- Car Park Manager
- Car Sales Advisor
- Carbon Balance Expert Consultant
- Cardiologist
- Career Manager
- Caregiver
- Cargo Handler
- Carpenter
- Carpenter Form Setter
- Carpenter Helper
- Carpenter Setter
- Carpentry Technician
- Cartoonist
- Cash Collection Manager
- Cash Manager
- Cashier
- Cashier Aid
- Cashier Supervisor
- Category Management Consultant
- Category Manager
- Catenary Technician
- Catering Agent
- Catering Director
- Catering Employee
- Catering Manager
- Catering Service Agent
- Census Official
- Ceramist
- Ceramist Prothesist
- Certified Public Accountant
- Change Management Consultant
- Change Manager
- Character Designer
- Checkout Manager
- Cheesemaker
- Chef
- Chef´s Pantry
- Chemical Laboratory Technician
- Chemical Manufacturing Technician
- Chemical Technician
- Chemist
- Chemistry Quality Control Technician
- Chief Accountant
- Chief Architect
- Chief Assembler
- Chief Construction Worker
- Chief Engineer
- Chief Mechanic
- Chief of Cabinet
- Chief of Staff
- Chief Operating Officer
- Chief Workstation Project
- Chief Steward
- Child Care Assistant
- Child Care Worker
- Children´s Animator
- Chocolate Confectioner
- Chocolate Maker
- Choral Conductor
- Choreographer
- Civil Engineer Inspector
- Civil Engineering Technician
- Claims Manager
- Claims Officer
- Claims Regulator
- Cleaning Agent
- Cleaning and Hygiene Agent
- Cleaning Lady
- Cleaning Team Leader
- Clerk
- Client Accountant
- Climate Engineering Technician
- Climatic Engineering Technician
- Climatic Maintenance Technician
- Clinical Director
- Clinical Psychologist
- Clinical Research Associate
- Clinical Studies Coordinator
- Cloth Cutter
- Clothing Agent
- Clown
- Club Manager
- Co-Operative Advisor
- Co-Property Agent
- Coach
- Coach Driver
- Coachbuilder
- Coachbuilder
- Coat Varnisher
- COBOL Developer
- Coffee Boy
- Collective Catering Cook
- Collective Intelligence Consultant
- Collective Support Consultant
- Columnist
- Comedian
- Commercial Animator
- Commercial Attaché
- Commercial Director
- Commercial Inspector
- Commercial Manager
- Commercial Real Estate
- Commercial Supervisor
- Communication Assistant
- Communication Consultant NICT
- Communication Manager
- Communications Officer
- Community and Social Services Agent
- Community Manager
- Company Driver
- Company Lawyer
- Compensation and Evaluation Consultant
- Competence Center Manager
- Compliance and Internal Control Manager
- Compliance Officer
- Composer
- Composite Materials Technician
- Compressor Technician
- Computer Architect
- Computer Park Manager
- Computer Security Coordinator
- Computer Technician
- Comunication Consultant
- Concierge
- Concrete Agregate Laboratory Technician
- Concrete Plant Conductor
- Condo Manager
- Conductor
- Configuration Manager
- Confirmer
- Consolidation and IFRS Consultant
- Consolidation Officer
- Consolidator
- Construction Controller
- Construction Cost Manager
- Construction Economist
- Construction Engineering Technician
- Construction Fluid Technician
- Construction Machinery Conductor
- Construction Machinery Mechanic
- Construction Site Electrician
- Construction Site Manager
- Construction Worker
- Consultant
- Consultant Auditor
- Consultant Trainer
- Consulting and Advice
- Content Planner
- Content Writer
- Content Writing Consultant
- Contract Manager
- Contracts Manager
- Controller
- Cook
- Cook Saucier
- Cooling Equipment Fitter
- Coordinator
- Copyeditor
- Corporate Finance Consultant
- Corrector
- Cosmetics Sales Representative
- Costume Designer
- Counsel Attorney
- Counter Agent
- Counter Manager
- Counter Seller
- Country Manager
- Crane Driver
- Crane Operator
- Credit Analyst
- Credit Management Consultant
- Credit Manager
- Credit Risk Analyst Consultant
- Crepe Maker
- Crimper
- CRM Consultant
- CRM Project Manager
- CRM Salesforce Manager
- CRM Strategy Consultant
- Cultivator
- Culture and Heritage Project Manager
- Customer Advisor
- Customer Consultant
- Customer Marketing Consultant
- Customer Portfolio Manager
- Customer Relationship Consultant
- Customer Relationship Manager
- Customer Service Advisor
- Customer Service Agent
- Customer Technical Assistant
- Customer Service Manager
- Customs Declarant
- Customs Declaring Agent
- Cutter
- Cutting Operator