[CONTENT WARNING: Details that polite people never mention - hopefully not too rude for this site]
Autistic people tend to be good in lots of technical trades where you can focus on stuff without humaning, from IT to accounting to engineering to crafty things. BUT:
• We're often crap in new social situations, such as job interviews or networking, where we don't know whose body language to mirror, loathe small talk, and may still break eye contact to think (including during sex). For honest details [I prefer and consent to blunt honesty] ask 3 [I'd only tag them with permission] Langtrees Ladies who were available at 2am on Sunday night/Monday morning.
• We can usually handle normal life, but we can break easily if we push ourselves too far and don't have time to defrag - so cannot handle repeated 60+ (depends on person) hour weeks.
• We're crap at empathy, difficult conversations with normies and reading normy vibes, making us useless at enthusing normies or dealing nicely with incompetent and/or crying minions. This makes us useless at any job that requires leadership, and not just management.
• We're not good with bulldust, making us crap at jobs requiring us to lie and be lied to, from HR to executive management, to complex negotiations to selling investments.
Together, this means we easily spend too long at uni... getting highly educated, then find it difficult finding good jobs quickly, then plateau in senior technical roles with minimal staff supervision, unless we're in technical workplaces like accounting or engineering firms.
This means that if you have a technical career, but don't stay in technical firms, your career plateaus very early at only about $100,000pa (in accounting), and stays there. In technical firms, your career can go a couple more steps until it is stopped by your poor networking/selling/bulldusting skills. BUT technical firms are often toxic and/or require occasional long hours - I quit this side of accounting industry a decade ago when I couldn't hack it.
The obvious career plateau gets frustrating after a few years.
I'd recommend seeking a technical career and trying to find a non-toxic firm full of experts, where your career can progress without changing employer every few years. If you're an accountant in Perth, there's a few workplaces I'd recommend, but only a few.