Domestic energy assessors advise individuals on energy supply for their homes. They assess the individual's needs and recommend the appropriate source of energy and supplier, attempting to secure energy sales. They also advise on economic and environmental advantages of types of energy, and create energy plans compliant with regulations and the technical requirements and conditions of the residence.

Domestic housekeepers are responsible for all the household activities in a private house. They oversee and execute duties according to the needs of the employer such as cooking, cleaning and washing activities, taking care of children and gardening. They order supplies and are in charge of expenditures allocated. Domestic housekeepers may supervise and instruct household staff in large households.

Door installers set doors in place. They remove the old door if present, prepare the frame opening, and set the new door in place square, straight, plumb, and watertight if called for. Door installers also inspect and service existing doors.

Doormen/doorwomen welcome guests to a hospitality establishment and provide additional services related to assistance with luggage, guests' safety whilst ensuring security.

Door supervisors ensure that the people entering public places such as bars, restaurants and concert venues are suitable and that they do not represent potential problems. They enforce legal regulations by checking individuals' legal age to enter a bar, manage crowds and emergencies, monitor dress codes and handle aggressive and abusive behaviours.

Door to door sellers sell goods and services door to door.

Drafters prepare and create technical drawings using a special software or manual techniques, to show how something is built or works.

Drainage engineers design and construct drainage systems for sewers and storm water systems. They evaluate the options to design drainage systems that meet the requirements while ensuring compliance with legislation and environmental standards and policies. Drainage engineers choose the most optimal drainage system to prevent floods, control irrigation and direct sewage away from water sources.

Drainage workers assemble and maintain drainage and dewatering systems. They lay tubes or drainpipes to dry out the ground of a certain structure in order to put a hold to imminent groundwater. This work is usually performed under pavements and in basements.

Drain technicians install and maintain drainage equipment used in sewer systems, such as pipes and valves. They analyse the design and ensure the proper installation of the drainage system, and perform maintenance and repair duties.

Drama teachers instruct students in a recreational context in the various theatrical genres and dramatic expression forms, such as comedy, tragedy, prose, poetry, improvisation, monologues, dialogues etc. They provide students with a notion of theatre history and repertoire, but mainly focus on a practice-based approach in their courses, in which they assist students in experimenting with and mastering different dramatic expression styles and techniques and encourage them to develop their own style. They cast, direct and produce plays and other performances, and coordinate the technical production and the set, props and costume usage on stage.

Drama 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, drama. 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 drama through assignments, tests and examinations.

Dramaturges read new plays and works and propose them to the stage director and/or art council of a theatre. They gather documentation on the work, author, problems addressed, times and described environments. They also participate in the analysis of themes, characters, dramatic construction, etc.

Drapery and carpet cleaners clean draperies and carpets for their clients by removing stains, dust or odors. They do this by applying chemical and repellent solutions and with the use of brushes or mechanical equipment.

Drawing artists express concepts by providing a drawn representation corresponding to the idea.

Drawing kiln operators are responsible for continuous sheet flat glass production by manipulating the drawing kiln that processes molten glass.

Dredge operators work with industrial equipment to remove underwater material in order to make the area accessible to ships, to establish ports, to lay cables or for other purposes, and move the material to the desired location.

Dredging supervisors monitor dredging operations. They make sure the operation proceeds per regulations and take quick decisions to resolve problems.

Dressers assist and support artists before, during and after the performance to ensure the performers costumes are in line with the artistic vision of the director and the artistic team. They ensure the costume quality, maintain, check and repair costumes and assist with quick costume changes.

Dressmakers design, make or fit, alter, repair tailored, bespoke or hand-made garments from textile fabrics, light leather, fur and other material for women and children. They produce made-to-measure wearing apparel according to customer's or garment manufacturer's specifications. They are able to read and understand size charts, details surrounding finished measurements etc.

Drillers set up and operate drilling rigs and related equipment designed to drill holes for mineral exploration, in shotfiring operations, and for construction purposes.