diff --git a/src/SAS9ApiClient.ts b/src/SAS9ApiClient.ts
index c7e171c..6a66caf 100644
--- a/src/SAS9ApiClient.ts
+++ b/src/SAS9ApiClient.ts
@@ -1,6 +1,7 @@
 import { generateTimestamp } from '@sasjs/utils/time'
 import * as NodeFormData from 'form-data'
 import { Sas9RequestClient } from './request/Sas9RequestClient'
+import { HttpsAgent } from './types/HttpsAgent'
 import { isUrl } from './utils'
 
 /**
@@ -13,10 +14,13 @@ export class SAS9ApiClient {
   constructor(
     private serverUrl: string,
     private jobsPath: string,
-    allowInsecureRequests: boolean
+    httpsAgentConfiguration?: HttpsAgent
   ) {
     if (serverUrl) isUrl(serverUrl)
-    this.requestClient = new Sas9RequestClient(serverUrl, allowInsecureRequests)
+    this.requestClient = new Sas9RequestClient(
+      serverUrl,
+      httpsAgentConfiguration
+    )
   }
 
   /**
diff --git a/src/SASjs.ts b/src/SASjs.ts
index 74831a5..d5f7853 100644
--- a/src/SASjs.ts
+++ b/src/SASjs.ts
@@ -36,7 +36,7 @@ const defaultConfig: SASjsConfig = {
   debug: false,
   contextName: 'SAS Job Execution compute context',
   useComputeApi: null,
-  allowInsecureRequests: false,
+  httpsAgentConfiguration: {},
   loginMechanism: LoginMechanism.Default
 }
 
@@ -57,7 +57,7 @@ export default class SASjs {
   private jesJobExecutor: JobExecutor | null = null
   private sas9JobExecutor: JobExecutor | null = null
 
-  constructor(config?: any) {
+  constructor(config?: Partial<SASjsConfig>) {
     this.sasjsConfig = {
       ...defaultConfig,
       ...config
@@ -792,7 +792,7 @@ export default class SASjs {
         sasApiClient = new SAS9ApiClient(
           serverUrl,
           this.jobsPath,
-          this.sasjsConfig.allowInsecureRequests
+          this.sasjsConfig.httpsAgentConfiguration
         )
       }
     } else {
@@ -951,12 +951,12 @@ export default class SASjs {
     if (!this.requestClient) {
       this.requestClient = new RequestClient(
         this.sasjsConfig.serverUrl,
-        this.sasjsConfig.allowInsecureRequests
+        this.sasjsConfig.httpsAgentConfiguration
       )
     } else {
       this.requestClient.setConfig(
         this.sasjsConfig.serverUrl,
-        this.sasjsConfig.allowInsecureRequests
+        this.sasjsConfig.httpsAgentConfiguration
       )
     }
 
@@ -995,7 +995,7 @@ export default class SASjs {
         this.sas9ApiClient = new SAS9ApiClient(
           this.sasjsConfig.serverUrl,
           this.jobsPath,
-          this.sasjsConfig.allowInsecureRequests
+          this.sasjsConfig.httpsAgentConfiguration
         )
     }
 
@@ -1018,7 +1018,7 @@ export default class SASjs {
       this.sasjsConfig.serverUrl,
       this.sasjsConfig.serverType!,
       this.jobsPath,
-      this.sasjsConfig.allowInsecureRequests
+      this.sasjsConfig.httpsAgentConfiguration
     )
 
     this.computeJobExecutor = new ComputeJobExecutor(
diff --git a/src/job-execution/Sas9JobExecutor.ts b/src/job-execution/Sas9JobExecutor.ts
index 892be05..b4fb549 100644
--- a/src/job-execution/Sas9JobExecutor.ts
+++ b/src/job-execution/Sas9JobExecutor.ts
@@ -4,6 +4,7 @@ import { ErrorResponse } from '../types/errors'
 import { convertToCSV, isRelativePath } from '../utils'
 import { BaseJobExecutor } from './JobExecutor'
 import { Sas9RequestClient } from '../request/Sas9RequestClient'
+import { HttpsAgent } from '../types/HttpsAgent'
 
 /**
  * Job executor for SAS9 servers for use in Node.js environments.
@@ -17,10 +18,13 @@ export class Sas9JobExecutor extends BaseJobExecutor {
     serverUrl: string,
     serverType: ServerType,
     private jobsPath: string,
-    allowInsecureRequests: boolean
+    httpsAgentConfiguration: HttpsAgent
   ) {
     super(serverUrl, serverType)
-    this.requestClient = new Sas9RequestClient(serverUrl, allowInsecureRequests)
+    this.requestClient = new Sas9RequestClient(
+      serverUrl,
+      httpsAgentConfiguration
+    )
   }
 
   async execute(sasJob: string, data: any, config: any) {
diff --git a/src/request/RequestClient.ts b/src/request/RequestClient.ts
index c84face..f4a0f29 100644
--- a/src/request/RequestClient.ts
+++ b/src/request/RequestClient.ts
@@ -13,6 +13,7 @@ import { parseWeboutResponse } from '../utils/parseWeboutResponse'
 import { prefixMessage } from '@sasjs/utils/error'
 import { SAS9AuthError } from '../types/errors/SAS9AuthError'
 import { parseGeneratedCode, parseSourceCode } from '../utils'
+import { HttpsAgent } from '../types/HttpsAgent'
 
 export interface HttpClient {
   get<T>(
@@ -54,12 +55,12 @@ export class RequestClient implements HttpClient {
   protected fileUploadCsrfToken: CsrfToken | undefined
   protected httpClient!: AxiosInstance
 
-  constructor(protected baseUrl: string, allowInsecure = false) {
-    this.createHttpClient(baseUrl, allowInsecure)
+  constructor(protected baseUrl: string, httpsAgentConfiguration?: HttpsAgent) {
+    this.createHttpClient(baseUrl, httpsAgentConfiguration)
   }
 
-  public setConfig(baseUrl: string, allowInsecure = false) {
-    this.createHttpClient(baseUrl, allowInsecure)
+  public setConfig(baseUrl: string, httpsAgentConfiguration?: HttpsAgent) {
+    this.createHttpClient(baseUrl, httpsAgentConfiguration)
   }
 
   public getCsrfToken(type: 'general' | 'file' = 'general') {
@@ -511,15 +512,24 @@ export class RequestClient implements HttpClient {
     return responseToReturn
   }
 
-  private createHttpClient(baseUrl: string, allowInsecure = false) {
+  private createHttpClient(
+    baseUrl: string,
+    httpsAgentConfiguration: HttpsAgent = {}
+  ) {
     const https = require('https')
-    if (allowInsecure && https.Agent) {
-      this.httpClient = axios.create({
-        baseURL: baseUrl,
-        httpsAgent: new https.Agent({
-          rejectUnauthorized: !allowInsecure
-        })
-      })
+    const { selfSigned, clientCA, allowInsecure } = httpsAgentConfiguration
+
+    const httpsAgentConfig = selfSigned
+      ? { ca: selfSigned.ca }
+      : clientCA
+      ? { key: clientCA.key, cert: clientCA.cert, requestCert: true }
+      : allowInsecure
+      ? { rejectUnauthorized: !allowInsecure }
+      : undefined
+
+    if (httpsAgentConfig) {
+      const httpsAgent = new https.Agent(httpsAgentConfig)
+      this.httpClient = axios.create({ httpsAgent })
     } else {
       this.httpClient = axios.create({
         baseURL: baseUrl
diff --git a/src/request/Sas9RequestClient.ts b/src/request/Sas9RequestClient.ts
index 5fb4750..9f7fe2b 100644
--- a/src/request/Sas9RequestClient.ts
+++ b/src/request/Sas9RequestClient.ts
@@ -3,14 +3,15 @@ import axiosCookieJarSupport from 'axios-cookiejar-support'
 import * as tough from 'tough-cookie'
 import { prefixMessage } from '@sasjs/utils/error'
 import { RequestClient, throwIfError } from './RequestClient'
+import { HttpsAgent } from '../types/HttpsAgent'
 
 /**
  * Specific request client for SAS9 in Node.js environments.
  * Handles redirects and cookie management.
  */
 export class Sas9RequestClient extends RequestClient {
-  constructor(baseUrl: string, allowInsecure = false) {
-    super(baseUrl, allowInsecure)
+  constructor(baseUrl: string, httpsAgentConfiguration?: HttpsAgent) {
+    super(baseUrl, httpsAgentConfiguration)
     this.httpClient.defaults.maxRedirects = 0
     this.httpClient.defaults.validateStatus = (status) =>
       status >= 200 && status < 303
diff --git a/src/types/HttpsAgent.ts b/src/types/HttpsAgent.ts
new file mode 100644
index 0000000..5932599
--- /dev/null
+++ b/src/types/HttpsAgent.ts
@@ -0,0 +1,10 @@
+export interface HttpsAgent {
+  selfSigned?: {
+    ca: string[]
+  }
+  clientCA?: {
+    key: string
+    cert: string
+  }
+  allowInsecure?: boolean
+}
diff --git a/src/types/SASjsConfig.ts b/src/types/SASjsConfig.ts
index b562dcb..5fb6dad 100644
--- a/src/types/SASjsConfig.ts
+++ b/src/types/SASjsConfig.ts
@@ -1,4 +1,5 @@
 import { ServerType } from '@sasjs/utils/types'
+import { HttpsAgent } from './HttpsAgent'
 
 /**
  * Specifies the configuration for the SASjs instance - eg where and how to
@@ -58,7 +59,7 @@ export class SASjsConfig {
    * When set to `true`, the adapter will allow requests to SAS servers that use a self-signed SSL certificate.
    * Changing this setting is not recommended.
    */
-  allowInsecureRequests = false
+  httpsAgentConfiguration: HttpsAgent = {}
   /**
    * Supported login mechanisms are - Redirected and Default
    */
diff --git a/src/types/index.ts b/src/types/index.ts
index 2303619..3998768 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -2,6 +2,7 @@ export * from './Context'
 export * from './CsrfToken'
 export * from './Folder'
 export * from './File'
+export * from './HttpsAgent'
 export * from './Job'
 export * from './JobDefinition'
 export * from './JobResult'