Minimum experience

1 or more years of experience is required. Demonstrated expertise in system administration, including installing, configuring, upgrading, and maintaining hardware and software on one or more operating systems.

minimum education

A bachelor’s degree in computer science, Information Technology, or a related field. Relevant certifications are a plus.


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 $59,514 and $138,283, reflecting our commitment to rewarding expertise and performance.


Pasadena, California

functional description

As a System Administrator, you will be responsible for the effective operation and management of our computing systems, ensuring seamless hardware and software performance and safeguarding the integrity and security of our servers. Your role will encompass a range of technical and operational duties.

  • Manage the functionality and efficiency of a computing system(s) running on one or more operating systems.
  • Install, configure, upgrade, monitor, and maintain hardware and software to meet user requirements.
  • Maintain the integrity and security of servers and systems.
  • Work with the Computer Systems Engineer to configure the system according to requirements.
  • Conduct systems analysis and development to keep systems current with changing technologies.
  • Install new software, troubleshoots, grants permissions to applications, and trains users.
  • Program in administrative languages including Perl, sh, or Python.
  • Works with “root access” on production systems.

Certifications / Other


additional required knowledge and skills


  • Proven ability to manage the functionality, efficiency, and security of computing systems, including experience with servers, storage, and networking components.
  • Knowledge of system security best practices, including patch management, access controls, encryption, and threat detection/mitigation.
  • Strong problem-solving skills with the ability to diagnose and resolve hardware and software issues efficiently.
  • Proficiency in scripting languages (e.g., Perl, sh, Python) for automation and system management tasks.
  • Experience with various operating systems (e.g., Linux, Windows Server) and familiarity with both command-line and graphical user interfaces.
  • Effective communication and teamwork skills to collaborate with other IT professionals, engineers, and end-users.
  • Ability to adapt to evolving technologies and stay updated with industry trends.
  • Previous experience working with “root access” on production systems and understanding of the associated responsibilities.

Preferred Requirements:

  • Professional certifications related to system administration.
  • Previous experience working as a system administrator in a complex IT environment.
  • Familiarity with project management principles and experience managing system-related projects.
  • Knowledge of cloud computing platforms and experience with cloud-based system administration.
  • Experience with data backup, disaster recovery planning, and implementation.
  • Familiarity with virtualization technologies.
  • Strong documentation skills for maintaining system configuration, processes, and procedures.
  • Basic understanding of networking principles and protocols.

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.