Minimum experience

4-8 years of relevant experience

minimum education

Bachelor of Science or a Master’s degree

We understand that experience can sometimes be more valuable than formal education, so if you lack a degree, additional relevant experience will be considered.


We provide a comprehensive compensation package, including a range of benefits to support our employees’ well-being and professional growth.

The salary range for this position is between $68,290 and $149,980, reflecting our commitment to rewarding expertise and performance.


Pasadena, California

functional description

As a Linux/Solaris Systems Administrator, you will play a vital role in managing and maintaining the efficiency of computer systems running on Linux or Solaris operating systems. Your responsibilities will encompass a diverse range of technical and strategic tasks.

  • Managing the functionality and efficiency of computer systems running on Linux or Solaris operating systems including hardware, operating systems, virtual platforms and applications.
  • Upholding the integrity and security of servers and systems by adhering to established security protocols and practices.
  • Collaborating with the Computer Systems Engineer to configure the system according to requirements.
  • Analyzes systems and to keep systems current with changing technologies.
  • Installing new software, troubleshooting issues, grants permissions to applications, and trains users.
  • Conducting analysis, configuration, installations, upgrades, monitoring, maintenance, troubleshooting, patching, compiling, securing and repair of Linux/ Solaris servers in a heterogeneous environment.
  • Perform system updates, make recommendations on server configurations, and implement changes in multiple environments from test or development to production.
  • Creating and automating tasks using scripting languages such as Bash, Python, and PHP.
  • Systems Administrators respond to alerts, customer reported issues, escalate problems as required, and resolve significant matters exercising independent judgment and within established support practices.
  • Address and resolve complex OS issues.
  • Ensure software and hardware function as required.
  • Ensure high availability and resiliency of production systems.
  • Deploy in physical and or virtual computer environments like VMware, Amazon Web Services, Solaris Logical Domains.
  • Hardening computer systems consistent with security practices and establishing guidelines.
  • Troubleshooting and resolving file service issues with Network File Service and storage with NetApp.
  • Adhering to established configuration management requirements.
  • Supporting and traveling as required the remote Disaster Recovery facility.
  • Work with configuration management tools like Chef, Puppet, or SaltStack.

Certifications / Other


additional required knowledge and skills

• Possess a strong command line background in Solaris and or Linux operating systems, like Red Hat Enterprise Linux or CentOS.
• Familiarity with IT security concepts for Linux compute environments is essential.
• Experience with cloud technologies is desired.
• Proficiency with Windows and in using LDAP for authentication will be highly valued.

other details

Veterans Highly Desired

Candidate must be US citizen (or be able to prove the right to work in the US for an extended period of time).

Must successfully pass a background check as a condition of employment; based on security clearance level required.

EEO statement: Concordant is an equal-opportunity employer. All employment opportunities are provided without regard to race, religion, sex (including sexual orientation and gender identity), marital status, pregnancy, childbirth or related medical conditions, national origin, age, veteran status, disability, genetic information, or any other characteristic protected by law.