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Favoritism by Managers and Toxic Culture in IBM Labs – Especially in z Mainframe

Senior Software Engineer
Former Employee
Worked at IBM for 1 year
June 23, 2025
1.0
Pros
  1. The IBM brand name carries weight in the industry.
  2. You can learn if you're proactive and self-motivated.
  3. There are some technically strong and supportive peers.
Cons
  1. Severe manager favoritism — performance doesn't always matter. If you're not in your manager's "good books", you can be sidelined or even let go.

  2. Job security is questionable — even high performers have been forced out, while managers bring in their personal references or “near and dear ones”. Job security depends more on relationships than performance.

  3. Toxic hierarchy — managers act like bosses, not leaders. Decisions are one-sided and often biased.

Advice to Management

Nothing. They are inefficient and disconnected from ground reality. No hope unless there is a complete cultural reset from the top.

Additional Ratings

Work/Life Balance
1.0
Culture and Values
1.0
Diversity, Equity, and Inclusion
1.0
Career Opportunities
1.0
Compensation and Benefits
3.0
Senior Management
1.0

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