Sorry to hear your news, HR suck, they invariably get the wrong person to fire in my experience. Double check and make sure that they pay you everything that they owe you.
No worries, no loss, this job (sub contractor in the aero industry mostly) and company turned into a complete shit-show in the recent years. 10 years ago they hired me to work as qualified technician in air frame quality control at Airbus, on the A350 and A400. Was cool. The company was hiring good technicians and put them in high added value positions / missions. That was my first job straight out of my year training in aviation. Thought hey that's a great start, can't wait to see what the future holds ! Sadly CEO decided to sell the company (small 100 people company), to a big 4000 people company, "TRIGO", who was on a complete different wavelength and business model : they were into very low profile people doing extremely low value missions, in the automotive industry.
For the first few years the influence of that new management did not show too much, they let us do our thing, so I didn't care too much. However 3.5 years ago we lost all missions at the Airbus plant because of marketing/ commercial reasons, so they recycled me down the road at an ex Airbus plant (now "Stelia Aerospace, and "Aerolia" prior to that), where there is no aircraft to be seen. All they do is manufacture individual aluminium parts for the aircraft. Extruded parts to make 6 meter long seat rails, machined cross beams, stamped skins panels, tubes and pipes, folded parts like brackets of all sorts, fittings, frames, stringers.... all you need to make an Aircraft. It's fun for the first 3 days. Then the reality strikes : all you do all day long is print drawings, put the parts on the table and measure everything with calipers and whatnot. Boring as hell. Was hoping 3 months later we would get back to Airbus and I could again do cool stuff... but 3.5 years later still no missisn for Airbus, still stuck with my calipers.
Last November company fired 55% or so of the people due to COVID. Negociated criteria with the Union, so had to obey these criteria. That meant they were forced to fire people that met their "vision", and were forced to keep people like me who did not fit any more. So since then, they kept harassing the "old" guys like me, the qualified techs, so they leave. Every time one of them left, they would immediately replace it with one of the guys the fired 6 months ago unwillingly. See ? Tehy are finishing the job so to speak... firing the remaining ones they did not manage to fire in November, and calling back those that they did fire but did not want to. Now all they have are monkeys that never went to school, have 2 neurons one of which is only par time, that literally can't read / decipher a drawing (many confuse dotted lines and solid lines...), and none of the can use calipers properly, so they measure bullshit but they don't care. Also, none of them can read a vernier. So each (numerous) time that they break their digital calipers or micrometer, well they stop working because they don't know how to use the "analog" tools...
So, I would have left anyway pretty soon, anyway.
Now they have what they want. An army of monkeys they can pay cheaply and that never complains. I am glad all this shit show is now behind them. I would not want to come back even they gave me a big rise. In 10 years all I got was a 25 euro rise, and even then I almost didn't get it, it was kinda an accident...
I prefer to be unemployed and live off of crappy subsidies, eat potatoes and pasta all day, rather than having to keep working for them !
I am now toying with the idea of giving up aviation altogether and coming back to the electronics industry. Retrospectively, it's technically a million times more interesting. Problem is, it does not pay at all.