Here are list of Jobs you need to do in order to get the loot you want.
Weapons, Armours and Vehicles
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Street Thug (lvls 1 - 4)
Beat Up Rival Gangster = .22 Pistol [2, 0 weapon]
Rob a Pimp = 9mm Semi-Automatic [3, 2 weapon]
Associate (lvls 5 - 8)
Collect Protection Money = Butterfly Knife [2, 1 weapon]
Rough Up Dealers = Brass Knuckles [2, 2 weapon]
Take Out a Rogue Cop = .45 Revolver [3, 2 weapon]
Perform a Hit = Tactical Shotgun [3, 2 weapon]
Soldier (lvls 9 - 12)
Destroy Enemy Mob Hideout = C4 [5, 2 weapon]
Kill a Protected Snitch = Stab-Proof Vest [2, 5 armor]
Bust a Made Man Out of Prison = Automatic Rifle [4, 4 weapon], Shamrock Medallion [1, 7 armor]
Fight a Haitian Gang = Firebomb [4, 2 weapon], Semi-Automatic Shotgun [5, 4 weapon]
Clip the Irish Mob's Local Enforcer = Automatic Rifle [4, 4 weapon], Shamrock Medallion [1, 7 armor]
Steal a Tanker Truck = Firebomb [4, 2 weapon], Semi-Automatic Shotgun [5, 4 weapon]
Enforcer (lvls 13 - 17)
Smuggle Across the Border = Armoured Truck [8, 4 vehicle]
Rob an Electronics Store = Computer Set-Up, Concealable Camera, Untraceable Cell Phone (* special *)
Hitman (lvls 18 - 24)
Repel the Yakuza = Grenade Launcher [14, 10 weapon]
Disrupt Rival Smuggling Ring = .50 Caliber Rifle [16, 11 weapon]
Invade Tong-controlled Neighborhood = Armored Car [14, 15 vehicle]
Sell Guns to the Russian Mob = RPG Launcher [20, 12 weapon]
Protect your City against a Rival Family = Bodyguards [8, 25 armor]
Assassinate a Political Figure = Night Vision Goggles [5, 16 armor]
Exterminate a Rival Family = Napalm [25, 9 weapon]
Obtain Compromising Photos = Blackmail Photos (* special *)
Capo (lvls 25 - 34)
Steal an Air Freight Delivery = Prop Plane [5, 20 vehicle]
Run a Biker Gang Out of Town = Harley Davidson "Fat Boy" Motorcycle [18, 6 vehicle]
Steal Bank Records = Illegal Transaction Records (* special *)
Consigliere (lvls 35 - 59)
Influence a Harbor Official = Luxury Yacht [10, 20 vehicle]
Ransom a Businessman's Kids = Porche 911 [20, 14 vehicle]
Fix the Big Game = Bookie's Holdout Pistol [24, 12 weapon]
Underboss (lvls 60 - 99)
Break Into the Armory = Humvee [26, 22 vehicle]
Rip Off the Armenian Mob = AR-15 Assault Rifle [32, 10 weapon]
Take Over an Identity Theft Ring = Falsified Documents [2, 30 armor]
Boss (lvls 100+)
Buy Off a Federal Agent = Federal Agent [15, 25 armor]
Make a Deal with the Mexican Cartel = Private Jet [12, 38 vehicle]
Blackmail the District Attorney = Police Cruiser [22, 28 vehicle]
Shake Down a City Council Member = Armoured Limosine [16, 36 vehicle]
Special Collection Items
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Soldier (lvls 9 - 12)
Poker Chips = White, Brown, Red, Blue, Green, Purple, Gold = +2 attack
Sculptures = Rat, Sheep, Rooster, Monkey, Tiger, Snake, Dragon = +3 defence
Enforcer (lvls 13 - 17)
Cigars = Ebony, Sky, Rose, Ivory, Turquoise, Gold, Royal = +2 energy
Hitman (lvls 18 - 24)
Rings = Topaz, Opal, Amethyst, Emerald, Sapphire, Ruby, Diamond = +5 defence
Capo (lvls 25 - 34)
Paintings = Warhol, Cezanne, Matisse, Rembrandt, Dali, Monet, Van Gough = +6 energy
New Bonus
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Street Thug (lvls 1 - 4)
You have mastered all of the level 3 "Street Thug" jobs earning the title of "Master Street Thug".
A Pistol Bayonet has been added to your inventory, giving you +4% damage dealt in fights.
Associate (lvls 5 - 8)
You have mastered all of the level 3 "Associate" jobs earning the title of "Master Associate".
A Bugatti has been added to your inventory, giving you -7% damage received in fights.
Soldier (lvls 9 - 12)
You have mastered all of the level 3 "Soldier" jobs earning the title of "Master Soldier".
A Golden Skull has been added to your inventory, giving you a 30 second reduction on your health regen timer.
Enforcer (lvls 13 - 17)
You have mastered all of the level 3 "Enforcer" jobs earning the title of "Master Enforcer".
A Money Plate has been added to your inventory, giving you a 5% discount on property purchases.
Hitman (lvls 18 - 24)
You have mastered all of the level 3 "Hitman" jobs earning the title of "Master Hitman".
A Chainsaw Bayonet has been added to your inventory, giving you a 30 second reduction on your stanima regen timer.
Capo (lvls 25 - 34)
You have mastered all of the level 3 "Capo" jobs earning the title of "Master Capo".
A State Senator has been added to your inventory, giving you a 5% discount on property repairs.
Consigliere (lvls 35 - 59)
You have mastered all of the level 3 "Consigliere" jobs earning the title of "Master Consigliere".
A Helicopter has been added to your inventory, giving you a 30 second reduction on your energy regen timer.
Underboss (lvls 60 - 99)
You have mastered all of the level 3 "Underboss" jobs earning the title of "Master Underboss".
A Private Island has been added to your inventory, giving you a 5% bonus on job experience.
Boss (lvls 100+)
You have mastered all of the level 3 "Boss" jobs earning the title of "Master Boss".
A Golden Throne has been added to your inventory, giving you 2x the energy regenerated per regen period
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