You'll receive notifications whenever the server goes under a bot attack.
You'll receive notifications if a player attempts to crash the server/exploit something through packets.
You can change other players game modes (gm [username])
You can tp everyone on the server /tp
You can give yourself and others coins /coins
You can reset players COMPLETELY /reset
You can rollback staff commands (bans, mutes, etc.) This will only be used if a staff account becomes compromised or if they are themselves begin to abuse.
/bc
/clear others inventory
/head
/iteminfo
/socialspy
You can edit other players inventory (down to their armor)
WorldEdit permissions (not all of them, they're limited)
You can create soup signs [kb]
                          soup
You can create leaderboard signs [kb]
                                 top
                                 #
Bypass the delay in /spawn
See alts whenever a player joins or /alts (username)
mute players by IP to prevent mute bypasses /muteip
IP ban players (I block most VPN's and Proxy's so hopefully this thoroughly removes a user)
Permanently mute any player /mute (don't confuse with /tempmute)
See all current alts of players online /ipreport
You'll be able to see if Staff ban/mute/kick them silently (Add -s at the end of whatever command you're running)
You can override any punishment made by any staff member that's lower than you
You earn 3x the amount of XP and Coins (op)
Misecallnous commands and info /banlist, mutechat, togglechat, unwarn, warn, spectate. No player can /ignore you, you can bypass clearchat, server lockdowns, and when chat is muted.
Check the warnings of players /warnings (username)

Generally, your role as an Administrator is to help users with more complex situations (Hence, why you can give coins and reset them). With the information you receive will also help you with potential server attacks and such.
These permissions will also extend to the Discord server once I get around to managing permissions.