What unique perks and benefits does IBM provide?

Even if you don't put $$ into your 401k, IBM will put 1% of your salary. IBM also provides a Stock EPP at a discount from the public stock price. Full pay for Maternity & Paternity benefits is huge as well.

IBM US offers nothing that most other companies offer. The few unique areas that old 100 year old companies have are long gone in IBM

Comprehensive, though pricey benefits package. Some flexibility in personal time. Remote work for marketing is no longer an option.

You get to see exactly what not to do when people are angry at you. or how not to run a company.

You can get away with working less than 40 hours a week, and flexibly from home.

Manager development fund to spend on your employees with no approval needed.

Excellent corporate discounts for a wide range of retail and industries.

Some discounts on hotels, tickets to attractions and special events.

Nothing beyond a higher than average tolerance for mediocrity

Work remotely when needed / 18 vacation days (starting)

No perks, but have good health insurance

Great seats for sporting events

Being around exceptional people

Excellent time off