As of 25th May 2016, there is no DRDO recruitment published for HR job.
However there was an earlier notification issued for the administration jobs with DRDO, the details have been mentioned below:

Jobs Opportunity in Defence Research and Development Organisation (DRDO) details:

Vacancy
Posts
Qualification
Age Limit

Senior Technical Assistant ‘B’
564
B.Sc./ 3 years Diploma in specified subjects/ disciplines
As per rule

Technician ‘A’
345
10th class pass with ITI in specified trades

Admin & Allied:
Junior Translator,
Stenographer Grade-II,
Store Asstt. ‘A’,
Admin Asstt. ‘A’,
Vehicle Operator ‘A’,
Asstt. Halwai-cum-Cook:
233
Instructive Qualification: Candidates ought to need to take after the warning of DRDO Recruitment 2016 for qualification points of interest.

Step by step instructions to Apply:

Candidates looking for Government occupations in Delhi for the above notice posts may apply online through site by taking after profession tab in the menu.

Imperative Date:

Last date to apply online: 08/02/2016

Date of Publication in Employment News: sixteenth to 23rd January 2016

The official Notification of the above job has been attached here