Funcionario.php

<?php
namespace Admin\Entity;

use Doctrine\ORM\Mapping as ORM,
    Doctrine\Common\Collections\ArrayCollection;

/**
 * @ORM\Entity
 * @ORM\Table(name="funcionario")
 */
class Funcionario extends Usuario
{
    /**
     * @ORM\Id 
     * @ORM\Column(name="funcionario_id", type="integer", nullable=false)
     */
    private $id;

    /**
     * @ORM\Column(name="profissao", type="string", nullable=false)
     */
    private $profissao;



     /**
     * Bidirectional - Vários funcionários são controlados por uma loja (OWNING SIDE)
     *
     * @ORM\ManyToOne(targetEntity="Loja", inversedBy="funcionariosAtribuidos")
     */
     private $loja;
}

Loja.php

<?php
namespace Admin\Entity;

use Doctrine\ORM\Mapping as ORM,
    Doctrine\Common\Collections\ArrayCollection;

/**
 * @ORM\Entity
 * @ORM\Table(name="loja")
 */
class Loja extends PessoaJuridica
{
    /**
     * @ORM\Id 
     * @ORM\Column(name="loja_id", type="integer", nullable=false)
     */
    private $id;

    /**
     * @ORM\Column(name="nome_fantasia", type="string", nullable=false)
     */
    private $nomeFantasia;

    /**
     * @ORM\Column(name="razao_social", type="string", nullable=false)
     */
    private $razaoSocial;

    /**
     * @ORM\OneToMany(targetEntity="Funcionario", mappedBy="loja", cascade={"persist", "remove"})
     * @var Funcionario[]
     */
    protected $funcionariosAtribuidos = null;


    public function __construct()
    {
        $this->funcionariosAtribuidos    = new ArrayCollection();
    }
}