Linux administrator Visa independent

Ensisinfo Inc; California; On-site; USD 90,000 - 120,000; Full time

Job summary

Ensisinfo Inc is seeking a talented Linux Administrator to join our Carmichael, CA team. You will own critical infrastructure, implement robust security practices, and automate routine tasks to keep systems reliable and secure.

Ideal candidates have hands-on Linux system administration experience, strong networking knowledge, scripting skills, and familiarity with virtualization. Visa independence is required, and the role is based on-site in California.

Qualifications

• Must be visa-independent (US citizen, Green Card holder, or EAD).
• Proven experience as a Linux System Administrator (RHEL, CentOS, Ubuntu, or similar).
• Strong knowledge of networking concepts, DNS, DHCP, and TCP/IP.
• Experience with shell scripting (Bash, Python, or Perl).
• Familiarity with virtualization technologies (VMware, KVM, or similar).
• Knowledge of security best practices and system hardening.
• Strong troubleshooting and problem-solving skills with attention to detail.

Responsibilities

• Install, configure, and maintain Linux-based servers and operating systems.
• Monitor system performance, availability, and security across infrastructure.
• Manage user accounts, permissions, and access controls.
• Perform routine system updates, patches, and upgrades.
• Troubleshoot and resolve hardware, software, and network issues.
• Implement and maintain backup, recovery, and disaster recovery procedures.
• Automate administrative tasks using shell scripting or similar tools.

Skills

visa independence

Linux administration

Networking (DNS/DHCP/TCPIP)

Shell scripting

Virtualization

Security hardening

Troubleshooting

Job description

About the Role:

Ensisinfo Inc is looking for a talented and driven Linux Administrator to join our growing team in Carmichael, CA. This is an exciting opportunity for a visa-independent professional to take ownership of critical infrastructure and make a real impact in a dynamic tech environment. If you thrive in a hands‑on technical role and love solving complex system challenges, we want to hear from you!

Responsibilities:

• Install, configure, and maintain Linux-based servers and operating systems
• Monitor system performance, availability, and security across infrastructure
• Manage user accounts, permissions, and access controls
• Perform routine system updates, patches, and upgrades
• Troubleshoot and resolve hardware, software, and network issues
• Implement and maintain backup, recovery, and disaster recovery procedures
• Automate administrative tasks using shell scripting or similar tools

Requirements:

• Must be visa-independent (U.S. Citizen, Green Card holder, or EAD)
• Proven experience as a Linux System Administrator (RHEL, CentOS, Ubuntu, or similar)
• Strong knowledge of networking concepts, DNS, DHCP, and TCP/IP
• Experience with shell scripting (Bash, Python, or Perl)
• Familiarity with virtualization technologies (VMware, KVM, or similar)
• Knowledge of security best practices and system hardening
• Strong troubleshooting and problem-solving skills with attention to detail

About Us:

Ensisinfo Inc is a technology solutions company based in Carmichael, CA, dedicated to delivering reliable and innovative IT services to clients across industries. Our team is built on a culture of collaboration, continuous learning, and technical excellence. We pride ourselves on creating an environment where skilled professionals can grow their careers and do their best work.