What’s process engineer job description?

In this post we will explain the process design, in order to explain process engineer job and Define process engineering discipline.

Process design 

one of the most important task of a process engineer is processe design;  to conceive the overall shape of processes and to design processes layouts.

He has to take into consideration the process volume and variety characterisitics,Their detailed workings such as detailed analysis of the objectives, capacity and variability of the process, and processes requirement.

Processes Requirements

Volume and variety are particularly influential in the design of processes. They also tend to go together in an inverse relationship:
–High-variety processes are normally low-volume and vice versa.
•The process types are:
–project processes,
–jobbing processes,
–batch processes,
–mass processes, and
–continuous processes.

Process layouts

There are different ways in which the different resources within a process (people and technology) can be arranged relative to each other.
–cell layout,
–and product layout

Advantages and disadvantages

each type of layout has Advantages and disadvantages, as mentioned in the table bellow:


Process design-analysis

Within these broad parameters (variety and volume) there are many, more detailed decisions to be made that will dictate the way materials, information and customers flow through the process.
Do not dismiss these detailed design decisions as merely the ‘technicalities’ of process design.
They are important because they determine the actual performance of the process in practice and eventually its contribution to the performance of the whole business.


The analysis stage of process design involves calculating the details of the process, in particular its objectives, sequence of activities, allocation of tasks and capacity, and its ability to incorporate the effects of variability.

The problem

Existing processes are not always sufficiently well defined or described.
Sometimes this is because they have developed over time without ever being formally recorded, or they may have been changed (perhaps improved) informally by the individuals who work in the process.
But processes that are not formally defined can be interpreted in different ways, leading to confusion and inhibiting improvement.
So, it is important to have some recorded visual descriptor of a process that can be agreed by all those who are involved in it.
This is where process mapping comes in.

Process Mapping

Process mapping at its most basic level involves describing processes in terms of how the activities within the process relate to eachother.
There are many, broadly similar, techniques that can be used for process mapping.
Different process mapping symbols are sometimes used to represent different types of activity.
They can be arranged in order, and in series or in parallel, to describe any process.
And although there is no universal set of symbols used all over the world, some are relatively common.

However, all the techniques have two main features:
–They identify the different types of activity that take place during the process.
–They show the flow of materials or people or information through the process (or, put another way, the sequence of activities that materials, people or information are subjected to).

Source: Operations and Process management, principles and pratices for strategic impact. Nigel Slacket al. PearsonEducation

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