Temp to perm :: Unix/Linux Senior Administrator

Washington, DC, us on site Until 8/22/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

Collabera Inc (Staffing Firm). 

We are based out of Morristown, NJ and we have been providing contingent labor to our clients for last 25 years. In 2015 we placed more than 6,000 contractors across select 100+ clients that we service. End client for this project is a large legal organization with operations in more than 100 countries and has more than 50,000 employees around the world. For eight consecutive years, Fortune has named this company as World’s ‘Most Admired Companies to work for’.

Experience:

  • Must have a minimum of 8 years of experience administrating and managing servers and systems, specializing in UNIX/LINUX operating systems.
  • Must possess a Red Hat Certified System Administrator (RHCSA) certification or equivalent.

Duties:

  • Responsible for the day-to-day management of the UNIX/LINUX server infrastructure.
  • Provides leadership to the UNIX/LINUX Server team, overseeing activities administering, designing, and implementing RedHat Linux server based solutions.
  • Responsible for incident management as it relates to the UNIX/LINUX server infrastructure.
  • Performs advanced troubleshooting of complex system issues.
  • Works primarily in a virtualized environment.

Red Hat Certified System Administrator (RHCSA) certification

If interested and want to apply, please contact:

Ujjwal Mane

ujjwal.mane(at)collabera.com

973-805-7557

About this role

Summary

Manage UNIX/Linux servers, lead team, troubleshoot, and oversee server infrastructure in virtualized environment.

Job title

Unix/Linux Senior Administrator

Experience level

8+ years

Industry

staffing

Location requirements

Washington, DC, US; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

unixlinuxred hatsystem administrationincident management

Preferred skills

None specified

Specializations

unixlinuxsystem administrationred hatvirtualization
Locations

Structured locations inferred from the posting.

Washington, DC, USA

On-site City