diff --git a/openapi/openapi.yaml b/openapi/openapi.yaml
index 99364ae450..7d8b45bf69 100644
--- a/openapi/openapi.yaml
+++ b/openapi/openapi.yaml
@@ -2197,6 +2197,12 @@ paths:
         schema:
           type: array
           items: {type: string}
+      - name: supervisorIds
+        in: query
+        required: false
+        schema:
+          type: array
+          items: {type: string, format: uuid}
       - name: sortBy
         in: query
         required: false
diff --git a/src/main/java/de/tum/cit/aet/job/dto/ProfessorJobsFilterDTO.java b/src/main/java/de/tum/cit/aet/job/dto/ProfessorJobsFilterDTO.java
index d07a9eefea..a944bcf13d 100644
--- a/src/main/java/de/tum/cit/aet/job/dto/ProfessorJobsFilterDTO.java
+++ b/src/main/java/de/tum/cit/aet/job/dto/ProfessorJobsFilterDTO.java
@@ -1,11 +1,14 @@
 package de.tum.cit.aet.job.dto;
 
 import java.util.List;
+import java.util.UUID;
 
 /**
- * Filter DTO for retrieving jobs created by a specific professor.
- * Encapsulates optional filters for job title and state.
+ * Filter DTO for retrieving jobs visible to a member of a research group.
  *
- * @param states optional filter for multiple job states
+ * @param states        optional filter for multiple job states
+ * @param supervisorIds optional filter restricting jobs to a list of
+ *                      supervising-professor user ids. {@code null} or
+ *                      empty means "all supervisors in the research group".
  */
-public record ProfessorJobsFilterDTO(List<String> states) {}
+public record ProfessorJobsFilterDTO(List<String> states, List<UUID> supervisorIds) {}
diff --git a/src/main/java/de/tum/cit/aet/job/repository/JobRepository.java b/src/main/java/de/tum/cit/aet/job/repository/JobRepository.java
index 79e71fe7f1..e13289e906 100644
--- a/src/main/java/de/tum/cit/aet/job/repository/JobRepository.java
+++ b/src/main/java/de/tum/cit/aet/job/repository/JobRepository.java
@@ -26,11 +26,13 @@
 @Repository
 public interface JobRepository extends DocApplyJpaRepository<Job, UUID> {
     /**
-     * Finds all jobs that belong to a given research group, with optional state and title/professor search filters.
-     * Results are paginated.
+     * Finds all jobs that belong to a given research group, with optional state,
+     * supervisor, and title/professor search filters. Results are paginated.
      *
      * @param researchGroupId the research group ID to filter by
      * @param states          the optional list of job states to include
+     * @param supervisorIds   the optional list of supervising-professor user ids;
+     *                        {@code null}/empty means all supervisors
      * @param searchQuery     the optional search string for job title or professor name
      * @param pageable        the pagination configuration
      * @return a page of matching jobs
@@ -50,6 +52,7 @@ public interface JobRepository extends DocApplyJpaRepository<Job, UUID> {
           FROM Job j
           WHERE j.researchGroup.researchGroupId = :researchGroupId
           AND (:states IS NULL OR j.state IN :states)
+          AND (:supervisorIds IS NULL OR j.supervisingProfessor.userId IN :supervisorIds)
           AND (:searchQuery IS NULL OR
              j.title LIKE CONCAT('%', :searchQuery, '%') OR
              CONCAT(j.supervisingProfessor.firstName, ' ', j.supervisingProfessor.lastName) LIKE CONCAT('%', :searchQuery, '%')
@@ -59,6 +62,7 @@ j.title LIKE CONCAT('%', :searchQuery, '%') OR
     Page<CreatedJobDTO> findAllJobsByResearchGroup(
         @Param("researchGroupId") UUID researchGroupId,
         @Param("states") List<JobState> states,
+        @Param("supervisorIds") List<UUID> supervisorIds,
         @Param("searchQuery") String searchQuery,
         Pageable pageable
     );
diff --git a/src/main/java/de/tum/cit/aet/job/service/JobService.java b/src/main/java/de/tum/cit/aet/job/service/JobService.java
index 231f80229f..8685a76942 100644
--- a/src/main/java/de/tum/cit/aet/job/service/JobService.java
+++ b/src/main/java/de/tum/cit/aet/job/service/JobService.java
@@ -376,8 +376,12 @@ public Page<CreatedJobDTO> getJobsForCurrentResearchGroup(
         if (professorJobsFilterDTO.states() != null && !professorJobsFilterDTO.states().isEmpty()) {
             enumStates = professorJobsFilterDTO.states().stream().map(JobState::fromValue).filter(Objects::nonNull).toList();
         }
+        List<UUID> supervisorIds =
+            professorJobsFilterDTO.supervisorIds() == null || professorJobsFilterDTO.supervisorIds().isEmpty()
+                ? null
+                : professorJobsFilterDTO.supervisorIds();
         String normalizedSearchQuery = StringUtil.normalizeSearchQuery(searchQuery);
-        return jobRepository.findAllJobsByResearchGroup(researchGroupId, enumStates, normalizedSearchQuery, pageable);
+        return jobRepository.findAllJobsByResearchGroup(researchGroupId, enumStates, supervisorIds, normalizedSearchQuery, pageable);
     }
 
     /**
diff --git a/src/main/java/de/tum/cit/aet/usermanagement/dto/ProfessorDTO.java b/src/main/java/de/tum/cit/aet/usermanagement/dto/ProfessorDTO.java
index dc081b7cba..23ba7ae645 100644
--- a/src/main/java/de/tum/cit/aet/usermanagement/dto/ProfessorDTO.java
+++ b/src/main/java/de/tum/cit/aet/usermanagement/dto/ProfessorDTO.java
@@ -6,29 +6,29 @@
 
 public record ProfessorDTO(String firstName, String lastName, String email, String researchGroupName, String researchGroupWebsite) {
     /**
-     * Converts a {@link Job}'s supervising professor to a {@link ProfessorDTO},
-     * pulling the research group fields from the job itself rather than from the
-     * professor's membership list (a professor may belong to multiple groups).
+     * Converts a {@link Job}'s supervising professor to a {@link ProfessorDTO}, pulling the research group
+     * fields from the job itself rather than from the professor's membership list (a professor may belong to
+     * multiple groups).
      *
-     * @param job the job whose supervising professor is being represented
+     * <p>The job retains its research group even after the supervising professor
+     * is anonymised, so this is the safe choice for application/evaluation flows
+     * where the original research-group context still matters. Research-group
+     * fields are left null when the job has no research group (e.g. the
+     * anonymised "deleted user" sentinel after retention runs), so evaluation
+     * keeps working after a professor leaves.
+     *
+     * @param job the job whose supervising professor and research group should be used
      * @return the corresponding {@link ProfessorDTO}
-     * @throws IllegalStateException if the job has no supervising professor or no research group
      */
     public static ProfessorDTO fromJob(Job job) {
         User professor = job.getSupervisingProfessor();
-        if (professor == null) {
-            throw new IllegalStateException("Job has no supervising professor");
-        }
         ResearchGroup researchGroup = job.getResearchGroup();
-        if (researchGroup == null) {
-            throw new IllegalStateException("Research group is null");
-        }
         return new ProfessorDTO(
             professor.getFirstName(),
             professor.getLastName(),
             professor.getEmail(),
-            researchGroup.getName(),
-            researchGroup.getWebsite()
+            researchGroup != null ? researchGroup.getName() : null,
+            researchGroup != null ? researchGroup.getWebsite() : null
         );
     }
 }
diff --git a/src/main/webapp/app/generated/api/job-resource-api.ts b/src/main/webapp/app/generated/api/job-resource-api.ts
index d5dd1033a9..402d0f04c6 100644
--- a/src/main/webapp/app/generated/api/job-resource-api.ts
+++ b/src/main/webapp/app/generated/api/job-resource-api.ts
@@ -193,11 +193,12 @@ export class JobResourceApi {
      * @param pageSize 
      * @param pageNumber 
      * @param states 
+     * @param supervisorIds 
      * @param sortBy 
      * @param direction 
      * @param searchQuery 
      */
-    getJobsForCurrentResearchGroup(pageSize?: number, pageNumber?: number, states?: Array<string>, sortBy?: string, direction?: 'ASC' | 'DESC', searchQuery?: string): Observable<PageCreatedJobDTO> {
+    getJobsForCurrentResearchGroup(pageSize?: number, pageNumber?: number, states?: Array<string>, supervisorIds?: Array<string>, sortBy?: string, direction?: 'ASC' | 'DESC', searchQuery?: string): Observable<PageCreatedJobDTO> {
         const queryParams = new URLSearchParams();
         if (pageSize !== undefined && pageSize !== null) {
             queryParams.set('pageSize', String(pageSize));
@@ -208,6 +209,9 @@ export class JobResourceApi {
         if (states !== undefined && states !== null) {
             states.forEach(item => queryParams.append('states', String(item)));
         }
+        if (supervisorIds !== undefined && supervisorIds !== null) {
+            supervisorIds.forEach(item => queryParams.append('supervisorIds', String(item)));
+        }
         if (sortBy !== undefined && sortBy !== null) {
             queryParams.set('sortBy', String(sortBy));
         }
diff --git a/src/main/webapp/app/generated/api/job-resource-resources.ts b/src/main/webapp/app/generated/api/job-resource-resources.ts
index dc705c7a64..4b96f7b700 100644
--- a/src/main/webapp/app/generated/api/job-resource-resources.ts
+++ b/src/main/webapp/app/generated/api/job-resource-resources.ts
@@ -176,6 +176,7 @@ export interface GetJobsForCurrentResearchGroupParams {
     pageSize?: number;
     pageNumber?: number;
     states?: Array<string>;
+    supervisorIds?: Array<string>;
     sortBy?: string;
     direction?: 'ASC' | 'DESC';
     searchQuery?: string;
@@ -200,6 +201,9 @@ export function getJobsForCurrentResearchGroupResource(params?: Signal<GetJobsFo
         if (queryParams.states?.length) {
             queryParams.states.forEach(value => searchParams.append('states', String(value)));
         }
+        if (queryParams.supervisorIds?.length) {
+            queryParams.supervisorIds.forEach(value => searchParams.append('supervisorIds', String(value)));
+        }
         if (queryParams.sortBy !== undefined && queryParams.sortBy !== null) {
             searchParams.set('sortBy', String(queryParams.sortBy));
         }
diff --git a/src/main/webapp/app/job/my-positions/my-positions-page.component.html b/src/main/webapp/app/job/my-positions/my-positions-page.component.html
index e261de8020..3485ec0113 100644
--- a/src/main/webapp/app/job/my-positions/my-positions-page.component.html
+++ b/src/main/webapp/app/job/my-positions/my-positions-page.component.html
@@ -70,6 +70,12 @@ <h1>
             filterOptions: availableStatusLabels,
             shouldTranslateOptions: true,
           },
+          {
+            filterId: 'supervisor',
+            filterLabel: 'myPositionsPage.searchFilterSortBar.filterOptions.supervisor',
+            filterSearchPlaceholder: 'myPositionsPage.searchFilterSortBar.filterOptions.supervisorSearchPlaceholder',
+            filterOptions: availableSupervisorNames(),
+          },
         ]"
         [sortableFields]="sortableFields"
       />
diff --git a/src/main/webapp/app/job/my-positions/my-positions-page.component.ts b/src/main/webapp/app/job/my-positions/my-positions-page.component.ts
index 746c46a291..2827be2ae8 100644
--- a/src/main/webapp/app/job/my-positions/my-positions-page.component.ts
+++ b/src/main/webapp/app/job/my-positions/my-positions-page.component.ts
@@ -23,6 +23,8 @@ import LocalizedDatePipe from '../../shared/pipes/localized-date.pipe';
 import { TagComponent } from '../../shared/components/atoms/tag/tag.component';
 import { CreatedJobDTO, CreatedJobDTOStateEnum } from '../../generated/model/created-job-dto';
 import { JobResourceApi } from '../../generated/api/job-resource-api';
+import { ResearchGroupResourceApi } from '../../generated/api/research-group-resource-api';
+import { UserShortDTO } from '../../generated/model/user-short-dto';
 @Component({
   selector: 'jhi-my-positions-page',
   standalone: true,
@@ -89,6 +91,11 @@ export class MyPositionsPageComponent {
   currentJobId = signal<string | undefined>(undefined);
 
   readonly selectedStatusFilters = signal<string[]>([]);
+  readonly selectedSupervisorIds = signal<string[]>([]);
+  readonly availableSupervisors = signal<UserShortDTO[]>([]);
+  readonly availableSupervisorNames = computed<string[]>(() =>
+    this.availableSupervisors().map(s => `${s.firstName ?? ''} ${s.lastName ?? ''}`.trim()),
+  );
 
   readonly columns = computed<DynamicTableColumn[]>(() => {
     const tpl = this.actionTemplate();
@@ -187,6 +194,7 @@ export class MyPositionsPageComponent {
   });
 
   private jobApi = inject(JobResourceApi);
+  private researchGroupApi = inject(ResearchGroupResourceApi);
   private accountService = inject(AccountService);
   private router = inject(Router);
   private toastService = inject(ToastService);
@@ -213,6 +221,10 @@ export class MyPositionsPageComponent {
     void this.loadJobs();
   });
 
+  constructor() {
+    void this.loadSupervisors();
+  }
+
   loadOnTableEmit(event: TableLazyLoadEvent): void {
     const page = Math.floor((event.first ?? 0) / (event.rows ?? this.pageSize()));
     const size = event.rows ?? this.pageSize();
@@ -239,6 +251,11 @@ export class MyPositionsPageComponent {
       const enumValues = this.mapTranslationKeysToEnumValues(filterChange.selectedValues);
       this.selectedStatusFilters.set(enumValues);
       void this.loadJobs();
+    } else if (filterChange.filterId === 'supervisor') {
+      this.page.set(0);
+      const ids = this.mapSupervisorNamesToIds(filterChange.selectedValues);
+      this.selectedSupervisorIds.set(ids);
+      void this.loadJobs();
     }
   }
 
@@ -317,6 +334,23 @@ export class MyPositionsPageComponent {
     return translationKeys.map(key => keyMap.get(key) ?? key);
   }
 
+  private mapSupervisorNamesToIds(names: string[]): string[] {
+    if (names.length === 0) {
+      return [];
+    }
+    const byName = new Map(this.availableSupervisors().map(s => [`${s.firstName ?? ''} ${s.lastName ?? ''}`.trim(), s.userId]));
+    return names.map(n => byName.get(n)).filter((id): id is string => id !== undefined);
+  }
+
+  private async loadSupervisors(): Promise<void> {
+    try {
+      const supervisors = await firstValueFrom(this.researchGroupApi.getResearchGroupProfessors());
+      this.availableSupervisors.set(supervisors);
+    } catch {
+      this.availableSupervisors.set([]);
+    }
+  }
+
   private async loadJobs(): Promise<void> {
     this.loading.set(true);
     try {
@@ -329,6 +363,7 @@ export class MyPositionsPageComponent {
           this.pageSize(),
           this.page(),
           emptyToUndef(this.selectedStatusFilters()),
+          emptyToUndef(this.selectedSupervisorIds()),
           this.sortBy(),
           this.sortDirection(),
           this.searchQuery(),
diff --git a/src/main/webapp/i18n/de/job.json b/src/main/webapp/i18n/de/job.json
index 22f979e409..8ed918cf76 100644
--- a/src/main/webapp/i18n/de/job.json
+++ b/src/main/webapp/i18n/de/job.json
@@ -375,7 +375,9 @@
     "searchFilterSortBar": {
       "searchText": "Stellen suchen...",
       "filterOptions": {
-        "stateSearchPlaceholder": "Suche Status..."
+        "stateSearchPlaceholder": "Suche Status...",
+        "supervisor": "Betreuung",
+        "supervisorSearchPlaceholder": "Suche Betreuung..."
       }
     },
     "tableColumn": {
diff --git a/src/main/webapp/i18n/en/job.json b/src/main/webapp/i18n/en/job.json
index 8830e3e23c..9a192e446d 100644
--- a/src/main/webapp/i18n/en/job.json
+++ b/src/main/webapp/i18n/en/job.json
@@ -375,7 +375,9 @@
     "searchFilterSortBar": {
       "searchText": "Search Positions...",
       "filterOptions": {
-        "stateSearchPlaceholder": "Search Status..."
+        "stateSearchPlaceholder": "Search Status...",
+        "supervisor": "Supervisor",
+        "supervisorSearchPlaceholder": "Search Supervisor..."
       }
     },
     "tableColumn": {
diff --git a/src/test/webapp/app/job/my-positions/my-positions-page.component.spec.ts b/src/test/webapp/app/job/my-positions/my-positions-page.component.spec.ts
index f98ebec309..99fc2d8549 100644
--- a/src/test/webapp/app/job/my-positions/my-positions-page.component.spec.ts
+++ b/src/test/webapp/app/job/my-positions/my-positions-page.component.spec.ts
@@ -206,6 +206,7 @@ describe('MyPositionsPageComponent', () => {
         component.pageSize(),
         component.page(),
         [CreatedJobDTOStateEnum.Published],
+        undefined,
         component.sortBy(),
         component.sortDirection(),
         component.searchQuery(),