diff --git a/src/Command/ContractEndNotificationCommand.php b/src/Command/ContractEndNotificationCommand.php
new file mode 100644
index 0000000..d52d8a3
--- /dev/null
+++ b/src/Command/ContractEndNotificationCommand.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command;
+
+use App\Service\Notification\ContractEndNotificationService;
+use DateTimeImmutable;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Throwable;
+
+use function is_string;
+
+#[AsCommand(
+    name: 'app:contract:end-notifications',
+    description: 'Notify admins on the last working day before a contract ends.'
+)]
+final class ContractEndNotificationCommand extends Command
+{
+    public function __construct(
+        private readonly ContractEndNotificationService $service,
+        #[Autowire(service: 'monolog.logger.cron')]
+        private readonly LoggerInterface $logger,
+    ) {
+        parent::__construct();
+    }
+
+    protected function configure(): void
+    {
+        $this->addOption(
+            'date',
+            null,
+            InputOption::VALUE_REQUIRED,
+            'Override the reference day (YYYY-MM-DD) for testing or manual catch-up.'
+        );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        $dateOption = $input->getOption('date');
+
+        try {
+            $today = is_string($dateOption) && '' !== $dateOption
+                ? new DateTimeImmutable($dateOption)
+                : new DateTimeImmutable('today');
+        } catch (Throwable $exception) {
+            $io->error(sprintf('Invalid --date value: %s', $exception->getMessage()));
+
+            return Command::INVALID;
+        }
+
+        $result = $this->service->run($today);
+
+        $this->logger->info('Contract end notifications generated.', [
+            'date'                 => $today->format('Y-m-d'),
+            'contractsMatched'     => $result->contractsMatched,
+            'notificationsCreated' => $result->notificationsCreated,
+        ]);
+
+        $io->success(sprintf(
+            '%d notification(s) créée(s) pour %d fin(s) de contrat (%s).',
+            $result->notificationsCreated,
+            $result->contractsMatched,
+            $today->format('Y-m-d'),
+        ));
+
+        return Command::SUCCESS;
+    }
+}
diff --git a/src/Service/Notification/ContractEndNotificationResult.php b/src/Service/Notification/ContractEndNotificationResult.php
new file mode 100644
index 0000000..cf0464e
--- /dev/null
+++ b/src/Service/Notification/ContractEndNotificationResult.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Notification;
+
+final readonly class ContractEndNotificationResult
+{
+    public function __construct(
+        public int $notificationsCreated,
+        public int $contractsMatched,
+    ) {}
+}
diff --git a/src/Service/Notification/ContractEndNotificationService.php b/src/Service/Notification/ContractEndNotificationService.php
new file mode 100644
index 0000000..b1969b5
--- /dev/null
+++ b/src/Service/Notification/ContractEndNotificationService.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Notification;
+
+use App\Entity\Notification;
+use App\Repository\EmployeeContractPeriodRepository;
+use App\Repository\NotificationRepository;
+use App\Repository\UserRepository;
+use DateTimeImmutable;
+use Doctrine\ORM\EntityManagerInterface;
+
+use function count;
+
+final readonly class ContractEndNotificationService
+{
+    private const CATEGORY = 'Contrat';
+
+    public function __construct(
+        private EmployeeContractPeriodRepository $periodRepository,
+        private NotificationRepository $notificationRepository,
+        private UserRepository $userRepository,
+        private ContractEndNotificationPlanner $planner,
+        private EntityManagerInterface $entityManager,
+    ) {}
+
+    public function run(DateTimeImmutable $today): ContractEndNotificationResult
+    {
+        $latestPeriods = $this->periodRepository->findLatestPeriodsForAllEmployees();
+        $notices       = $this->planner->plan($latestPeriods, $today);
+
+        if ([] === $notices) {
+            return new ContractEndNotificationResult(0, 0);
+        }
+
+        $admins  = $this->userRepository->findAllAdmins();
+        $created = 0;
+
+        foreach ($notices as $notice) {
+            if (null === $notice->employeeId) {
+                continue;
+            }
+
+            $target = '/employees/'.$notice->employeeId;
+
+            foreach ($admins as $admin) {
+                if ($this->notificationRepository->existsForRecipientCategoryTargetMessage(
+                    $admin,
+                    self::CATEGORY,
+                    $target,
+                    $notice->message,
+                )) {
+                    continue;
+                }
+
+                $notification = new Notification();
+                $notification->setRecipient($admin)
+                    ->setMessage($notice->message)
+                    ->setCategory(self::CATEGORY)
+                    ->setTarget($target)
+                ;
+
+                $this->entityManager->persist($notification);
+                ++$created;
+            }
+        }
+
+        $this->entityManager->flush();
+
+        return new ContractEndNotificationResult($created, count($notices));
+    }
+}