"during our work" is a correct and usable phrase in written English.
You can use it when you want to refer to a specific instance of you and your colleagues or peers doing something together, usually working on a specific task. Example: We solved the problem together during our work on the project.
We at Reprieve are sickened by what we have seen during our work on this case".
"We may well find some great talent during our work this year, but that is not the point.
We present an innovative data acquisition module, detailing its architecture as well as design decision undertaken during our work.
We present innovative architecture of our data acquisition module as well as design decision we made during our work.
It also gives the opportunity for choice, which is often limited in other aspects of our lives, like during our work.
Now that we can see what the city's infrastructure means to all of us, it seems hard to deny that those who benefit from its protection during our work day should pay a small fair share.
Because of the provisions we made for our old age during our working lives, we have more money than our annual needs.
After all, during our working lives we'll spend more time in the company of our colleagues than we will with our families.
There is a – possibly naive – expectation that the lifestyles most of us have come to enjoy during our working lives will be sustainable during our increasingly long post-retirement lives.
And there is a simple truth we have to focus on: all of us are living longer and need to save more during our working lives to pay for our retirement.
The interim report, out last week, showed us that we need to save far more during our working lives, pay more taxes and/or work for longer if we wanted to make sure that tomorrow's pensioners weren't even worse off than today's.
