Slow career Vs short well paid contracts.

Hi guys, I need an input of someone smarter than me and you lot seem like just the right ppl to ask.

Background:

39M single, no kids, renting, very little to my name, 20k debt, 25k student loan, no investment, no savings, poor family background so safe to assume not money smart as saving/investing was never a thing back home.

Things are starting to look brighter lately, but also very overwhelming when it comes to making decisions so I would really appreciate your input.

I currently have a job offer in law enforcement at 32k, comes with what I believe is a very strong pension scheme.

If not pursuing any promotions,from 4th year onwards, pay increases and tops out at around 50k after 10 years, 70k possible with promotions at around 15 years. It would be my first job that could be considered a career and I was really excited about it.

Until...

Friend just messaged me a job offer at his company abroad where my take-home pay would be 110k. Job is genuine.

2 year contract minimum, 4-year likely, potentially longer but it isn't somewhere I'd like to live permanently so 5-6 would be my max. Free healthcare provided, cost of living similar to UK, I don't spent money unnecessarily or lightly.

I believe I'd become a non-UK tax resident, so no tax obligation in UK. But also no pension and other benefits.

It might be possible to defer the first job offer until the second one clears up, but unlikely to be able to do it for long enough for it to still be an option once I'm back in the UK.

Although there isn't anything stopping me from applying if they recruit again.

Any input, opinions, or advice is greatly appreciated

While RE is unlikely, I still might get some FI.