I went for a bit of a different setup. I traded a bit of specific type defense for a little positional defense and a lot of extra resistances (especially in energy/negative energy and fire/cold, s/l is almost identical across the two). It uses a lot of reward merits, but it didn't look like you were afraid of that in your build. I also went with more slots in your main heal vs your absorb shield, as the absorb shield looked a lot less practical, but I haven't used rad armor myself. I also added in a lot of toxic and psi for a broader range of shielding. I did not put a focus on damage, but it should be alright. It's also running a bit more recharge buffing, but that's probably balanced out by not taking hasten. That's a bit of a personal choice, and you could pretty easily swap it out for meltdown if you don't mind giving up a bit of psi. CJ/SJ over fly for the little extra defense from CJ, plus another place to hang LotG along with maneuvers. Added in dark obliteration, which you didn't take, as it does solid damage and has a -acc component on an AoE. I use it on my TW/EA brute and love it.
This Villain build was built using Mids Reborn 3.0.4.7 https://github.com/Reborn-Team/MidsReborn
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Level 49 Technology Brute Primary Power Set: Dark Melee Secondary Power Set: Radiation Armor Power Pool: Leaping Power Pool: Fighting Power Pool: Leadership Ancillary Pool: Soul Mastery
Villain Profile: Level 1: Smite
(A) Empty
Level 1: Alpha Barrier
(A) Unbreakable Guard - +Max HP
(7) Unbreakable Guard - Resistance
(7) Unbreakable Guard - Resistance/Endurance
(9) Unbreakable Guard - Resistance/Endurance/RechargeTime
Level 2: Gamma Boost
(A) Panacea - +Hit Points/Endurance
(9) Panacea - Heal
(11) Panacea - Heal/Recharge
(15) Power Transfer - Chance to Heal Self
(15) Power Transfer - EndMod
(17) Power Transfer - Damage/EndMod
Level 4: Proton Armor
(A) Aegis - Psionic/Status Resistance
(11) Aegis - Resistance
(13) Aegis - Resistance/Endurance
(13) Aegis - Resistance/Recharge
(39) Aegis - Resistance/Endurance/Recharge
Level 6: Shadow Maul
(A) Superior Unrelenting Fury - Accuracy/Damage
(36) Superior Unrelenting Fury - Damage/RechargeTime
(37) Superior Unrelenting Fury - Accuracy/Damage/RechargeTime
(37) Superior Unrelenting Fury - Damage/Endurance/RechargeTime
(37) Superior Unrelenting Fury - Accuracy/Damage/Endurance/RechargeTime
(39) Superior Unrelenting Fury - RechargeTime/+Regen/+End
Level 8: Siphon Life
(A) Superior Blistering Cold - Accuracy/Damage
(17) Superior Blistering Cold - Damage/Endurance
(19) Superior Blistering Cold - Accuracy/Damage/Endurance
(19) Superior Blistering Cold - Accuracy/Damage/Recharge
(21) Superior Blistering Cold - Damage/Endurance/Accuracy/RechargeTime
(21) Superior Blistering Cold - Recharge/Chance for Hold
Level 10: Fallout Shelter
(A) Reactive Armor - Resistance
(33) Reactive Armor - Resistance/Endurance
(33) Reactive Armor - Resistance/Endurance/Recharge
(33) Reactive Armor - Resistance/Recharge
Level 12: Touch of Fear
(A) Superior Avalanche - Accuracy/Damage
(23) Superior Avalanche - Damage/Endurance
(23) Superior Avalanche - Accuracy/Damage/Endurance
(25) Superior Avalanche - Accuracy/Damage/Recharge
(25) Superior Avalanche - Accuracy/Damage/Endurance/Recharge
(27) Superior Avalanche - Recharge/Chance for Knockdown
Level 14: Combat Jumping
(A) Luck of the Gambler - Defense/Increased Global Recharge Speed
Level 16: Radiation Therapy
(A) Miracle - Heal/Endurance
(40) Miracle - Endurance/Recharge
(40) Miracle - Heal/Recharge
(40) Miracle - Heal/Endurance/Recharge
(43) Miracle - Heal
(43) Miracle - +Recovery
Level 18: Super Jump
(A) Empty
Level 20: Dark Consumption
(A) Superior Brute's Fury - Accuracy/Damage
(34) Superior Brute's Fury - Damage/Recharge
(34) Superior Brute's Fury - Accuracy/Damage/Recharge
(34) Superior Brute's Fury - Damage/Endurance/RechargeTime
(36) Superior Brute's Fury - Accuracy/Damage/Endurance/Recharge
(36) Superior Brute's Fury - Recharge/Fury Bonus
Level 22: Beta Decay
(A) Achilles' Heel - Chance for Res Debuff
Level 24: Kick
(A) Empty
Level 26: Tough
(A) Gladiator's Armor - TP Protection +3% Def (All)
(27) Gladiator's Armor - Resistance
(31) Gladiator's Armor - Recharge/Resist
(31) Gladiator's Armor - End/Resist
Level 28: Weave
(A) Shield Wall - +Res (Teleportation), +5% Res (All)
(29) Shield Wall - Defense
(29) Shield Wall - Defense/Endurance
(31) Shield Wall - Defense/Recharge
Level 30: Maneuvers
(A) Luck of the Gambler - Defense/Increased Global Recharge Speed
(39) Reactive Defenses - Scaling Resist Damage
Level 32: Particle Shielding
(A) Regenerative Tissue - +Regeneration
Level 35: Gloom
(A) Empty
Level 38: Soul Drain
(A) Mocking Beratement - Recharge
(43) Mocking Beratement - Accuracy/Recharge
(46) Mocking Beratement - Taunt/Recharge
(49) Mocking Beratement - Taunt/Recharge/Range
Level 41: Darkest Night
(A) Dark Watcher's Despair - To Hit Debuff
(42) Dark Watcher's Despair - Chance for Recharge Slow
(42) Dark Watcher's Despair - To Hit Debuff/Endurance
(42) Dark Watcher's Despair - To Hit Debuff/Recharge/Endurance
Level 44: Dark Obliteration
(A) Artillery - Accuracy/Damage
(45) Artillery - Damage/Endurance
(45) Artillery - Damage/Recharge
(45) Artillery - Accuracy/Damage/Recharge
(46) Artillery - Accuracy/Recharge/Range
(46) Artillery - Endurance/Recharge/Range
Level 47: Midnight Grasp
(A) Overwhelming Force - Accuracy/Damage
(47) Overwhelming Force - Endurance/Recharge
(47) Overwhelming Force - Accuracy/Damage/Endurance
(48) Overwhelming Force - Damage/Endurance/Recharge
(48) Overwhelming Force - Accuracy/Damage/Endurance/Recharge
(48) Overwhelming Force - Damage/Chance for Knockdown/Knockback to Knockdown
Level 49: Meltdown
(A) Impervium Armor - Psionic Resistance
Level 1: Brawl
(A) Empty
Level 1: Fury
Level 1: Sprint