Linux Administrator — Automation & Security

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

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.