diff --git a/contracts/PoolSelector.sol b/contracts/PoolSelector.sol
index d2054637..ecbb4879 100644
--- a/contracts/PoolSelector.sol
+++ b/contracts/PoolSelector.sol
@@ -108,12 +108,15 @@ contract PoolSelector is IPoolSelector, AccessControlUpgradeable {
 
     /**
      * @notice update the target weights of existing pools
-     * @dev only `Manager` can call,
+     * @dev only authorised callers can call,
      * @param _poolTargets new target weights of pools
      * `_poolTargets` array provide pool target in the same order of poolIDs that are stored in poolIdArray of poolUtils
      */
     function updatePoolWeights(uint256[] calldata _poolTargets) external {
-        UtilLib.onlyManagerRole(msg.sender, staderConfig);
+        if (!staderConfig.isAllowedToCall(msg.sender, "updatePoolWeights(uint256[])")) {
+            revert AccessDenied(msg.sender);
+        }
+
         uint8[] memory poolIdArray = IPoolUtils(staderConfig.getPoolUtils()).getPoolIdArray();
         uint256 poolCount = poolIdArray.length;
         uint256 poolTargetLength = _poolTargets.length;
diff --git a/contracts/PoolUtils.sol b/contracts/PoolUtils.sol
index 38a928e4..f5ede32d 100644
--- a/contracts/PoolUtils.sol
+++ b/contracts/PoolUtils.sol
@@ -70,7 +70,10 @@ contract PoolUtils is IPoolUtils, AccessControlUpgradeable {
      * @dev emit an event containing validator pubkey for offchain to exit the validator
      */
     function processValidatorExitList(bytes[] calldata _pubkeys) external override {
-        UtilLib.onlyOperatorRole(msg.sender, staderConfig);
+        if (!staderConfig.isAllowedToCall(msg.sender, "processValidatorExitList(bytes[])")) {
+            revert AccessDenied(msg.sender);
+        }
+
         uint256 exitValidatorCount = _pubkeys.length;
         for (uint256 i; i < exitValidatorCount; ) {
             emit ExitValidator(_pubkeys[i]);
diff --git a/contracts/StaderConfig.sol b/contracts/StaderConfig.sol
index 24af1f35..6bd19121 100644
--- a/contracts/StaderConfig.sol
+++ b/contracts/StaderConfig.sol
@@ -297,6 +297,27 @@ contract StaderConfig is IStaderConfig, AccessControlUpgradeable {
         setContract(SD_INCENTIVE_CONTROLLER, _sdIncentiveController);
     }
 
+    // Access Control
+    function giveCallPermission(
+        address contractAddress,
+        string calldata functionSig,
+        address accountToPermit
+    ) external override onlyRole(MANAGER) {
+        bytes32 role = keccak256(abi.encodePacked(contractAddress, functionSig));
+        _grantRole(role, accountToPermit);
+        emit PermissionGranted(accountToPermit, contractAddress, functionSig);
+    }
+
+    function revokeCallPermission(
+        address contractAddress,
+        string calldata functionSig,
+        address accountToRevoke
+    ) external override onlyRole(MANAGER) {
+        bytes32 role = keccak256(abi.encodePacked(contractAddress, functionSig));
+        _revokeRole(role, accountToRevoke);
+        emit PermissionRevoked(accountToRevoke, contractAddress, functionSig);
+    }
+
     //Constants Getters
 
     function getStakedEthPerNode() external view override returns (uint256) {
@@ -537,6 +558,11 @@ contract StaderConfig is IStaderConfig, AccessControlUpgradeable {
         return hasRole(OPERATOR, account);
     }
 
+    function isAllowedToCall(address account, string calldata functionSig) external view override returns (bool) {
+        bytes32 role = keccak256(abi.encodePacked(msg.sender, functionSig));
+        return hasRole(role, account);
+    }
+
     function verifyDepositAndWithdrawLimits() internal view {
         if (
             !(variablesMap[MIN_DEPOSIT_AMOUNT] != 0 &&
diff --git a/contracts/interfaces/IPoolSelector.sol b/contracts/interfaces/IPoolSelector.sol
index aea1b49e..ab93b860 100644
--- a/contracts/interfaces/IPoolSelector.sol
+++ b/contracts/interfaces/IPoolSelector.sol
@@ -6,6 +6,7 @@ interface IPoolSelector {
     error InvalidTargetWeight();
     error InvalidNewTargetInput();
     error InvalidSumOfPoolWeights();
+    error AccessDenied(address account);
 
     // Events
 
diff --git a/contracts/interfaces/IPoolUtils.sol b/contracts/interfaces/IPoolUtils.sol
index 35d73bd1..99ff4fcd 100644
--- a/contracts/interfaces/IPoolUtils.sol
+++ b/contracts/interfaces/IPoolUtils.sol
@@ -14,6 +14,7 @@ interface IPoolUtils {
     error OperatorIsNotOnboarded();
     error InvalidLengthOfSignature();
     error ExistingOrMismatchingPoolId();
+    error AccessDenied(address account);
 
     // Events
     event PoolAdded(uint8 indexed poolId, address poolAddress);
diff --git a/contracts/interfaces/IStaderConfig.sol b/contracts/interfaces/IStaderConfig.sol
index f8f9854a..cf49f219 100644
--- a/contracts/interfaces/IStaderConfig.sol
+++ b/contracts/interfaces/IStaderConfig.sol
@@ -16,6 +16,8 @@ interface IStaderConfig {
     event SetAccount(bytes32 key, address newAddress);
     event SetContract(bytes32 key, address newAddress);
     event SetToken(bytes32 key, address newAddress);
+    event PermissionGranted(address indexed accountToPermit, address indexed contractAddress, string functionSig);
+    event PermissionRevoked(address indexed accountToRevoke, address indexed contractAddress, string functionSig);
 
     //Contracts
     function POOL_UTILS() external view returns (bytes32);
@@ -171,4 +173,14 @@ interface IStaderConfig {
     function onlyManagerRole(address account) external view returns (bool);
 
     function onlyOperatorRole(address account) external view returns (bool);
+
+    function isAllowedToCall(address account, string calldata functionSig) external view returns (bool);
+
+    function giveCallPermission(address contractAddress, string calldata functionSig, address accountToPermit) external;
+
+    function revokeCallPermission(
+        address contractAddress,
+        string calldata functionSig,
+        address accountToRevoke
+    ) external;
 }
diff --git a/test/foundry_tests/PoolSelector.t.sol b/test/foundry_tests/PoolSelector.t.sol
index baf7ef39..101600e8 100644
--- a/test/foundry_tests/PoolSelector.t.sol
+++ b/test/foundry_tests/PoolSelector.t.sol
@@ -16,6 +16,8 @@ contract PoolSelectorTest is Test {
     address staderAdmin;
     address staderManager;
     address operator;
+    address configurator;
+    address naiveAddress;
 
     address staderStakePoolManager;
 
@@ -28,6 +30,8 @@ contract PoolSelectorTest is Test {
         staderAdmin = vm.addr(100);
         staderManager = vm.addr(101);
         operator = vm.addr(102);
+        configurator = vm.addr(116);
+        naiveAddress = vm.addr(117);
         staderStakePoolManager = vm.addr(110);
 
         address ethDepositAddr = vm.addr(103);
@@ -60,6 +64,9 @@ contract PoolSelectorTest is Test {
         staderConfig.grantRole(staderConfig.MANAGER(), staderManager);
         staderConfig.grantRole(staderConfig.OPERATOR(), operator);
         vm.stopPrank();
+
+        vm.prank(staderManager);
+        staderConfig.giveCallPermission(address(poolSelector), "updatePoolWeights(uint256[])", configurator);
     }
 
     function test_JustToIncreaseCoverage() public {
@@ -95,10 +102,11 @@ contract PoolSelectorTest is Test {
         invalidSizePoolWeight[1] = 4000;
         invalidSizePoolWeight[2] = 4000;
 
-        vm.expectRevert(UtilLib.CallerNotManager.selector);
+        vm.prank(naiveAddress);
+        vm.expectRevert(abi.encodeWithSignature("AccessDenied(address)", naiveAddress));
         poolSelector.updatePoolWeights(poolWeight);
 
-        vm.startPrank(staderManager);
+        vm.startPrank(configurator);
         vm.expectRevert(IPoolSelector.InvalidNewTargetInput.selector);
         poolSelector.updatePoolWeights(invalidSizePoolWeight);
 
@@ -112,7 +120,7 @@ contract PoolSelectorTest is Test {
         uint256[] memory poolWeight = new uint256[](2);
         poolWeight[0] = 7000;
         poolWeight[1] = 3000;
-        vm.prank(staderManager);
+        vm.prank(configurator);
         poolSelector.updatePoolWeights(poolWeight);
         vm.prank(operator);
         poolSelector.updatePoolAllocationMaxSize(1000);
diff --git a/test/foundry_tests/PoolUtils.t.sol b/test/foundry_tests/PoolUtils.t.sol
index e7f10ddc..cf444381 100644
--- a/test/foundry_tests/PoolUtils.t.sol
+++ b/test/foundry_tests/PoolUtils.t.sol
@@ -17,6 +17,8 @@ contract PoolUtilsTest is Test {
     address staderAdmin;
     address staderManager;
     address operator;
+    address configurator;
+    address naiveAddress;
 
     PoolUtils poolUtils;
     StaderConfig staderConfig;
@@ -31,6 +33,8 @@ contract PoolUtilsTest is Test {
         staderAdmin = vm.addr(100);
         staderManager = vm.addr(101);
         operator = vm.addr(102);
+        configurator = vm.addr(114);
+        naiveAddress = vm.addr(117);
 
         address ethDepositAddr = vm.addr(103);
         nodeRegistry = new NodeRegistryMock(operator);
@@ -60,6 +64,9 @@ contract PoolUtilsTest is Test {
         staderConfig.grantRole(staderConfig.MANAGER(), staderManager);
         staderConfig.grantRole(staderConfig.OPERATOR(), operator);
         vm.stopPrank();
+
+        vm.prank(staderManager);
+        staderConfig.giveCallPermission(address(poolUtils), "processValidatorExitList(bytes[])", configurator);
     }
 
     function test_JustToIncreaseCoverage() public {
@@ -134,10 +141,11 @@ contract PoolUtilsTest is Test {
         pubkey[0] = "0x8faa339ba46c649885ea0fc9c34d32f9d99c5bde336750";
         pubkey[1] = "0x8faa339ba46c649885ea0fc9c34d32f9d99c5bde336750";
 
-        vm.expectRevert(UtilLib.CallerNotOperator.selector);
+        vm.prank(naiveAddress);
+        vm.expectRevert(abi.encodeWithSignature("AccessDenied(address)", naiveAddress));
         poolUtils.processValidatorExitList(pubkey);
 
-        vm.prank(operator);
+        vm.prank(configurator);
         poolUtils.processValidatorExitList(pubkey);
     }