But what he does hope is that he is able to stay at the club on the coaching staff after the new man comes in.
He had a Friday lunchtime meeting with MD Paul Aldridge and reveals:
"As far as the job is concerned, he didn't have to make it plain to me because it was the first thing I said - that this appointment was for one game, and one game only.
"West Ham United is a great club and needs to employ a manager who is high profile and who has a long CV with plenty of successes on it.
"At this stage of my career I would be the first to say that I don't qualify on those accounts."
But he does hope that he will still be working at Chadwell Heath and on scouting missions next season, adding:
"We accept that the new manager may bring in his own staff and although I hope that doesn't happen, it is a possibility.
"But that is one of the dangers of the profession we are in - it is a dangerous job although, of course, extremely well paid.
"It is like a packet of cigarettes with a health warning, but people still smoke anyway and people are still desperate to work in professional football.
"Some so-called educated and clever supporters feel qualified just because they watch a game every Saturday - they should try being in a dug-out with the whole stadium screaming at you."
Glenn says that the good work of Harry and Frank has increased the expectancy level at Upton Park and says:
"They have moved the club on in those three terrific years, which saw us make it into the UEFA Cup, and that is why we are disappointed that we haven't had a fourth good year.
"But they are part of the club's traditions, not just as manager and assistant manager but going back longer than that and I'm sure if you cut them in half like a stick of rock, they would have West Ham United running through them.
"They have moved the club on a few pegs and people mustn't forget that."