Stage managers coordinate and supervise the preparation and execution of the show to ensure the scenic image and the actions on stage comply with the artistic vision of the director and the artistic team. Identify needs, monitor the technical and artistic processes during rehearsals and performances of live shows and events, according to the artistic project, the characteristics of the stage and technical, economic, human and security terms.

Stage technicians control different aspects of a performance based on the artistic or creative concept, in interaction with the performers. They prepare and perform the setup, program the equipment and operate various  systems. Stage technicians take care of lighting, sound, video, sets and/or fly systems. Their work is based on plans, instructions and calculations. They can work in small venues, theatres and other small artistic productions.

Staircase installers put in place standard or custom designed staircases between the various levels in buildings. They take the necessary measurements, prepare the site, and install the staircase safely.

Stamping press operators set up and tend stamping presses designed to form metal workpieces in their desired shape by applying pressure through the up and down movement of a bolster plate and a die attached to a stamping ram on the metal, resulting in the die producing smaller metal parts of the workpiece fed to the press.

Stand-ins replace actors before the filming starts. They perform the actions of the actors during the lighting and audiovisual setup, so everything is in the right place during the actual shooting with the actors.

Stand-up comedians tell humorist stories, jokes and one-liners typically described as a monologue, act or routine. They often perform in comedy clubs, bars, nightclubs and theatres. They may also use music, magic tricks or props to enhance their performance.

Starch converting operators control converters to change starch into glucose or corn syrup. After processing, they test products to verify their purity.

Starch extraction operators use equipment to extract starch from raw material such as corn, potatoes, rice, tapioca, wheat, etc.

Statistical assistants collect data and use statistical formulas to execute statistical studies and create reports. They create charts, graphs and surveys.

Statisticians collect, tabulate, and, most importantly, analyse quantitative information coming from a varied array of fields. They interpret and analyse statistical studies on fields such as health, demographics, finance, business, etc. and advise based on patterns and drawn analysis.

Steam engineers provide energy and utilities to facilities, such as steam, heat and refrigeration. They operate and maintain equipment such as boilers and air compressors, and research and develop new methods and improvements for the provision of utilities.

Steam plant operators operate and maintain mechanical equipment such as stationary engines and boilers to provide utilities for domestic or industrial use. They monitor proceedings to ensure compliance with safety regulations, and perform tests to ensure quality.

Steam turbine operators operate and maintain machinery which generates power. They ensure the safety of the operations and monitor operations to detect problems, and react to emergency situations.

Steeplejacks are specialised heightworkers who safely scale the outside of buildings and structures to perform critical work.

Steiner school teachers educate students using approaches that reflect the (Waldorf) Steiner philosophy and principles. They focus on practical, hands-on activities in the curriculum and instruct their classes in a manner that emphasises the development of the students' social, creative and artistic capacities. Steiner school teachers instruct students in similar subjects to the ones in standardised education, although using a different approach, and with the exception of a higher amount of classes focused on creative and artistic practice and theory. They use teaching techniques that support the (Waldorf) Steiner school philosophy, evaluate students' learning progress and communicate with other school staff.

Sterile services technicians ensure decontamination of medical devices in compliance with strict hygienic procedures. They dismantle and re-assemble sophisticated medical equipment through sterilising, cleaning, and repackaging it for further usage, under supervision, following the orders of the doctor of medicine or other qualified medical personnel.

Stevedores sort, handle, load and unload freight into over-the-road equipment in accordance with oral and written instructions, as well as state regulations. They move freight such as boxes, bulky items, or even large pallets of goods to and from storage areas and onto transport vehicles.

Stevedore superintendents supervise and monitor the freight handling and longshore labor in a dockyard to maximise productivity. They manage the loading and unloading of cargo and monitor the safety of the work area. Stevedore superintendents may also investigate incidents and prepare accident reports.

Stewards/stewardesses perform food and beverage service activities on all land, sea and air travel services.

Stock brokers act on behalf of their individual or institutional clients in order to buy and sell stocks and other securities. They are in close contact with their clients and ensure that what they buy or sell through the stock exchange market is according to their clients' wishes. Stock brokers undertake analyst research to make recommendations to their clients and expand their client base through various methods.

Stock traders use their technical expertise of financial markets performance to advise and make recommendations to asset managers or shareholders for a profitable investment strategy, keeping in mind the company’s performance. They use stock market trading operations and deal with a wide array of taxes, commissions and fiscal obligations. Stock traders buy and sell bonds, stocks, futures and shares in hedge funds. They perform detailed micro- and macroeconomic and industry specific technical analysis.

Stone drillers operate the drilling machine that bores holes into stone blocks. They manipulate granit, sandstone, marble and slate according to specifications.