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Engineering The Engineering skill speeds up welding and Sentry Gun setup for all nearby teammates. This skill is unique to the Tech class.


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  • Sentry gun setup speed is increased by 25% per level, with a base time of 7 seconds. This means setup with Crash takes ~5.5 seconds, and with Vegas 4 seconds. This skill does not affect Sentry Gun dismantling speed.
  • Welding speed is significantly increased, although the exact times are difficult to measure.
  • If both Techs are taken, where the area-of-effect overlaps, the effects stack.

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