<table>
  <tr>
    <td colspan="2" class="hide-tr name-pnd">Имя</td>
  </tr>
  <tr>
    <td colspan="2" class="hide-tr search-click">тест</td>
  </tr>
  <tr>
    <td>Оператор ЭВМ</td>
    <td></td>
  </tr>
  <tr>
    <td>Оператор ЭВМ</td>
    <td></td>
  </tr>
  <tr>
    <td>Оператор ЭВМ</td>
    <td></td>
  </tr>
  <tr>
    <td colspan="2" class="hide-tr name-pnd">Имя 2</td>
  </tr>
  <tr>
    <td colspan="2" class="hide-tr search-click">тест 2</td>
  </tr>
  <tr>
    <td>Оператор ЭВМ</td>
    <td></td>
  </tr>
</table>
$('.search-click').on('click', function() {
  let obj = $(this).parent().prev('tr').find('.name-pnd');
  
  obj.css('background-color', 'red');
})

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js