Onto the question:
Job guide
Other than that and disregarding DPS:
MNK:
- Blunt resistance down
- +5% Physical damage raidwide buff for 15 seconds every 90
- +20% Raid wide healing buff for 15 seconds every 120
- Stun < 1 on oGCD and 1 unreliable that bypasses Stun Resistances.
- Silence < Quite unreliable
DRG:
- Pierce resistance down
- +15% Crit Chance raidwide buff for 15 seconds every 180
- +10% Damage buff on self and 5% onto target party member for 20 seconds every 120
- Stun
NIN:
- Slashing resistance down
- +10% Vulnerability debuff onto 1 target for 10 seconds every 60
- Aggro control and support
- Silence
SAM:
- Slashing resistance down
Melee Role:
- TP recovery
- Stun
- -10% STR and DEX damage debuff on a target
BRD:
- +2% Raidwide Crit perma buff
- +3% Vulnerability up to all enemies on song duration
- +15% Direct Hit Raid wide buff for 20 seconds every 180
- Instant esuna once every 45 seconds
- +15% HP / +10% Physical resistance / +10% Magical resistance
- +20% Heal buffs onto a target for 15 seconds every 45
MCH:
- -10% Damage debuff onto a target for 5 seconds every 90
- +5% Vulnerability up debuff onto target(s) hit by the turret for 10 (up to 30) seconds every 120 «Correction by Id_Slayer»
Ranged Role:
- Raid wide TP recovery
- Raid wide MP recovery
- Bind
- Stun
- Silence
- +20% Physical damage reduction buff onto a target for 10 seconds every 150
BLM:
- Relatively none (other than maybe be an MP battery)
- Bind (?) «Credits to Thela»
- Sleep (?) «Credits to Thela»
SMN:
- Backup res
- Bind (?)
- +5% Damage dealt/taken and Heal buff onto target party member for 15 seconds every 90 (quite unreliable due to conditions) «Credits to Sigiria for pointing it out»
- +10% Magical Damage debuff on target for 15 seconds every 60 «Credits to Sunako for pointing it out»
- Autocounter shield raid wide buff for 50 potency that applies a +2% Vulnerability up debuff on target for 4 (up to 24) seconds. Shield lasts 20 seconds every 60 «Credits to Sunako for pointing it out»
- Stun
RDM:
- Backup res
- Backup heal
- Bind (?)
- +10% Physical damage raid wide buff for 20 seconds every 120, buff drops 2% every 4 seconds of the effect. «Credits to Sunako for pointing it out»
Magic Role:
- -10% INT and MND damage debuff on a target
- 20% MP transfer from own to target party member
- +20% Magical damage reduction buff onto a target for 10 seconds every 150
- DoT removal onto target party member once every 90 seconds
- Heavy (?)
Thats pretty much it without jumping into specifics =-=a