Deflector shield technician was a rating given to crewmen and non-commissioned officers who were responsible for the maintenance and operation of deflector shields aboard Starfleet vessels.
Insignia
| Deflector shield technician recruit |
Deflector shield technician apprentice |
Deflector shield technician crewman | |
|---|---|---|---|
| Earth Starfleet | 
|
 |
 |
 | |||
| 2260s | 
| ||
| 2270s |   |
 |
 |
| Late 2270s | N/A |   | |
| 2350-2366 | 
| ||
| 2366-2373 service uniform |
  |
 |
 |
| 2366-2373 duty uniform |
  |
 |
 |
| 2373- |  |
|
|
| Deflector shield technician third class |
Deflector shield technician second class |
Deflector shield technician first class | |
|---|---|---|---|
| Earth Starfleet |  |
 |
 |
| 2260s |
| ||
| 2270s |  |
 |
 |
| Late 2270s | N/A |  |
 |
| 2350-2366 |
| ||
| 2366-2373 service uniform |
 |
 |
 |
| 2366-2373 duty uniform |
 |
 |
 |
| 2373- | |
|
|
| Chief deflector shield technician |
Senior chief deflector shield technician |
Master chief deflector shield technician | |
|---|---|---|---|
| Earth Starfleet |  |
 |
 |
| 2260s |
| ||
| 2270s |  |
 |
 |
| Late 2270s |  |
 |
 |
| 2350-2366 |  | ||
| 2366-2373 service uniform |
 |
 |
 |
| 2366-2373 duty uniform |
 |
 |
 |
| 2373- | |
|
|