To get the first job or change to a next job, you need to go through job interviews.
Research on the Job
Know the Common Questions and Prepare Them
Though we can't read people's mind but there are some commonly asked questions:
A rocket designer is a person that designs rockets.
Rocket scientists are instrumental in the production of increasingly advanced technological aircraft, military defense systems and structures for space exploration. They conceptualize and plan the design of spacecraft, rockets, missiles, military planes and other objects. They also supervise the manufacturing process, perform tests to analyze product effectiveness and make adjustments or changes to fix performance problems. While some focus specifically on the production of rockets, most use their expertise in aerodynamics, propulsion, physics and other deeply complex scientific processes toward the development of various projects.
The average salary for a rocket designer is $103,870 annually.
Rocket designers who want to advance to higher positions of responsibility may benefit from participating in an apprenticeship program. This gives them the ability to work under the supervision of an experienced aerospace engineer who can instruct them about more complex job duties. While not required, some rocket scientists choose to become licensed. To do so, they must pass the Fundamentals of Engineering exam and the Professional Engineering exam.
A painter is an artist who paints pictures.
The responsibilities of a painter is listed here:
A painter earns 35,190 annually.
To become a painter:
A MLG gamer is a person that plays at a MLG event.
The responsibilities of a MLG gamer is to get to the event on time and play there.
MLG gamers earn $1.25 million dollars per event (if you win).
To become a MLG gamer, you have to:
Gamespot-how much they earn
A carpenter is a person who makes and repairs wooden objects and structures.
These are just some of the responsibilities of a carpenter:
Carpenter earn $39,940 annually.
To become a carpenter:
A librarian is a person, typically with a degree in library science, who administers or assists in a library.
The res responsibilities of a librarian is listed here
librarians earn 55,370 annually.
These are the steps of becoming a librarian:
CIA, stands for Central Intelligence Agency, was established in 1947. It is a civilian foreign intelligence agency of the U.S. Government. CIAs are tasked with gathering, processing and analyzing national security information from around the world to assist the President and senior US government policymakers in making decisions relating to national security. CIAs collection intelligence primarily through the use of human intelligence (HUMINT). 
The responsibilities of a CIA are listed here:
To become a CIA, you must meet the following requirements for applying a position in CIA:
A dentist is a person qualified to treat the diseases and conditions that affect the teeth and gums, especially the repair and extraction of teeth and the insertion of artificial ones.
The responsibilities of a dentist is listed below:
To become a dentist, you need to:
A farmer is a person who owns or manages a farm.
The responsibilities of a farmer is listed here:
To become a farmer, you have to:
A zookeeper is an animal attendant employed in a zoo.
The responsibilities of a zookeeper is listed here:
A chief executive officer(CEO) is the highest-ranking person in a company or other institution, ultimately responsible for making managerial decisions.
The responsibilities of a CEO
To become a CEO you have to:
A principal is a person that manages a school.
The main responsibilities of a principal is listed here:
To be come a school principal, you need to:
A university professor is a person that teaches in a university.
The responsibilities is listed here:
Most institutions of higher education require professors have a minimum of a doctoral degree in an academic field of study. A doctoral degree requires three years of study, or more, beyond the master's degree level. Community colleges and career training centers may hire a professor with a master's degree.
A teacher is a person who teaches, especially in a school.
The responsibilities of a teacher is listed here:
These are the steps of becoming a teacher:
A judge is a public official appointed to decide cases in a court of law.
The responsibilities of a judge is listed here:
The following steps is how to become a judge:
A school counselor is a job at a school. A school counselor's responsibilities are listed as follows:
When pursuing a school counseling career, you are most likely also required to earn at least a master's degree in school counseling or education psychology. Before becoming licensed, an aspiring school counselor usually needs to complete a certain number of hours of supervised on the job training. Some states like Texas requires minimum years of teaching experience.
A photographer is a person who takes photographs, especially as a job.
The responsibilities of a photographer are listed here:
The steps to becoming a photographer is listed here:
An actor is a person whose profession is acting on the stage, in movies, or on television.
The responsibilities of an actor is listed below:
Actors earn $52,478 annually.
To become an actor you have to do the following steps:
Actor/Performer Salaries from Salary.com
How to Become an Actor from Wikihow
A banker is an officer or owner of a bank or group of banks.
Responsibilities for a banker include:
These are the steps of becoming a banker:
A magician is a person who performs magic tricks for entertainment.
A magician needs to learn new tricks and practice them to a professional standard. He also needs to be entertaining when performing for the enjoyment of public audiences. In the case of table magicians, the illusionist (another word for magician) must engage with the immediate public in an entertaining way.
An average salary for a magician $97,000 annually.
To become a magician you need to complete these steps:
The executive chef, also known as the executive chef or chef manager, is the person in charge of the kitchen.
These are some responsibilities of an executive chef:
These are the steps of becoming a executive chef:
A police officers are those who are empowered by the state to enforce the law, protect property, and limit civil disorders. Their powers include the legitimized use of force. 
The responsibilities of a police officer includes:
To become a police officer, you need to complete the following steps:
A store cashier is a person who handles the cash register at a grocery store, supermarket, bakery, and much more.
These are some of the responsibilities of a store cashier:
Store cashiers earn about $28,347 annually. That transfers to $14 hourly.
There is no required education to become a retail cashier, although some companies may prefer that an applicant have a high school diploma or its equivalent. 
A web developer is a programmer who specializes in, or is specifically engaged in, the development of World Wide Web applications, or distributed network applications that are run over HTTP from a web server to a web browser.
The responsibilities of a Web developer are to : program, test, debug and deploy all web applications. They in general need to develop appropriate code structures to solve specific tasks and then coordinate with other designers and programmers to complete the web projects.
Web developers earn about $62,500 annually or $30/hr. 
These are the steps of becoming a Web developer:
This project is to research on the interesting careers, their responsibility, compensation, and the educational requirements. Now, it covers 27 careers in 12 industries