Chemistry lecturers are subject professors, teachers, or lecturers who instruct students who have obtained an upper secondary education diploma in their own specialised field of study, chemistry, which is predominantly academic in nature. They work with their university research assistants and university teaching assistants for the preparation of lectures and of exams, for leading laboratory practices, grading papers and for leading review and feedback sessions for the students. They also conduct academic research in their field of chemistry, publish their findings and liaise with other university colleagues.

Chemistry teachers at secondary schools provide education to students, commonly children and young adults, in a secondary school setting. They are usually subject teachers, specialised and instructing in their own field of study, chemistry. They prepare lesson plans and materials, monitor the students’ progress, assist individually when necessary, and evaluate the students’ knowledge and performance on the subject of chemistry through assignments, tests and examinations.

Chemistry technicians monitor chemical processes and conduct tests to analyse chemical substances for manufacturing or scientific purposes. They work in laboratories or production facilities where they assist chemists in their work. Chemistry technicians perform laboratory activities, test chemical substances, analyse data and report about their work.

Chief conductors are responsible for the safe performance of all operational tasks on board of passenger trains outside the drivers cab, such as supervising safe opening and closing of the train's doors. They supervise and ensure the continuous care for the safety of passengers, especially in the case of technical incidents and emergency situations. They ensure the operational communication to the driver and to traffic control staff as defined in operational regulations. In case of several staff members attending the train, they supervise the team of conductors. They also provide commercial activities such as ticket control and selling, and provide support and information to passengers, and provide gastronomic services.

Chief data officers manage companies' enterprise-wide data administration and data mining functions. They ensure data are used as a strategic business asset at the executive level and implement and support a more collaborative and aligned information management infrastructure for the benefit of the organisation at large.

Chief executive officers hold the highest ranking in a pyramidal corporate structure. They are able to hold a complete idea of the functioning of the business, its departments, risks, and stakeholders. They analyse different kinds of information and create links among them for decision-making purposes. They serve as a  communication link with the board of directors for reporting and implementation of the overall strategy.

Chief fire officers supervise a fire department. They coordinate the operations of the department, and supervise and lead the fire and rescue staff during firefighting and rescue activities to ensure the safety of the staff and limitation of risks. They perform administrative duties to ensure record maintenance, and implement policies to improve the department's operations.

Chief ICT security officers protect company and employee information against unauthorized access. They also define the Information System security policy, manage security deployment across all Information Systems and ensure the provision of information availability.

Chief information officers define and implement the ICT strategy and governance. They determine necessary resources for the ICT strategy implementation, anticipate ICT market evolutions and company business needs. They contribute to the development of the organisation's strategic plan and ensure that the ICT infrastructure supports the organisation's overall operations and priorities.

Chief marketing officers manage the high level marketing operations in a company. They coordinate all the efforts related to the marketing, promotional, and advertising activities across units or geographical areas. They make sure that different activities aimed at creating awareness of products are profitable for the company. They take decisions and prepare reports on marketing projects and the costs they entail.

Chief operating officers are the right hand and second in command of a company's chief executive officer. They ensure that the daily operations of the company run smoothly. Chief operating officers also develop company policies, rules and goals.

Chief technology officers contribute to a company's technical vision and lead all aspects of technology development, according to its strategic direction and growth objectives. They match technology with business needs.

Child care coordinators organise child care services, activities and events after the school hours and during school hoildays. They assist in the development of children by implementing care programmes. Child care coordinators also entertain children and maintain a safe environment for the children.

Child care social workers provide social services to children and their families in order to improve their social and psychological functioning. They aim to maximize family's well-being and protect children from abuse and neglect. They assist adoption arrangements and find foster homes where needed.

Child care workers provide care for children when the parents or family members are unavailable. They look after the children's basic needs and help or supervise them during play. Child care workers can work for preschools, daycare centres, childcare agencies or individual families.

Child day care centre managers provide social services to children and their families. They supervise and support child care workers and manage the childcare facilities. Child day care centre managers have the responsibility for strategic and operational leadership and management of staff teams and resources within and or across child care services.

Child day care workers provide social services to children and their families in order to improve their social and psychological functioning. They aim to maximise family's well-being by caring of children during the day.

Child welfare workers provide early intervention and support to children and their families in order to improve their social and psychological functioning. They aim to maximise the family well-being and protect children from abuse and neglect. They advocate for children so that their rights are respected within and outside the family. They may assist single parents or find foster homes for abandoned or abused children.

Chilling operators perform various processes and tend specific machines for manufacturing prepared meals and dishes. They apply chilling, sealing, and freezing methods to foodstuffs for non-immediate consumption.

Chimney sweeps undertake cleaning activities of chimneys for all types of buildings. They remove ash and soot and perform maintenance on a regular basis, following health and safety regulations. Chimney sweeps may perform safety inspections and minor repairs.

Chimney sweep supervisors oversee and coordinate the activities of chimney sweeps. They do quality checks and ensure compliance with safety regulations.

China and glassware distribution managers plan the distribution of china and glassware to various points of sales.