Senior Unix System Administrator

Title: Senior Unix Systems Administrator Location: San Jose, CA 95101 Full-Time Primary skills Unix LDAP person / Secured LDAP with 10 years’ experience and security focus Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration & Trouble shooting Should have good working knowledge to administer LDAP, DNS servers. Engineering graduate (Computer/Electronics) from a reputed college Job Summary We are seeking a Senior Unix LDAP Engineer with 10+ years of experience supporting secure LDAP environments within large-scale enterprise infrastructures. This individual will be responsible for administering and securing LDAP/LDAPS environments, managing Unix/Linux systems, supporting DNS services, and leading server lifecycle activities including builds, upgrades, patching, migrations, and troubleshooting. The ideal candidate will possess strong infrastructure engineering expertise, a security-first mindset, and experience supporting mission-critical production environments. Key Responsibilities Administer and maintain LDAP/LDAPS directory services in enterprise environments Configure, secure, and troubleshoot LDAP authentication and directory integrations Manage Unix/Linux server environments including builds, installations, upgrades, and patching Perform server migrations and infrastructure modernization initiatives Administer and support DNS infrastructure and related services Implement system hardening, access controls, and security best practices Monitor system performance, availability, and reliability across infrastructure environments Troubleshoot complex system, authentication, and connectivity issues Develop and maintain technical documentation, operational procedures, and standards Collaborate with infrastructure, security, and application teams on enterprise initiatives Support production incidents, root cause analysis, and remediation efforts Required Qualifications Bachelor’s degree in computer engineering, Electronics Engineering, Computer Science, or related field from a reputed institution 10+ years of hands‑on experience with Unix/Linux system administration Strong experience administering LDAP and Secure LDAP (LDAPS) environments Experience with DNS server administration and troubleshooting Expertise with server builds, installations, upgrades, patching, and migrations Strong troubleshooting and performance tuning skills Knowledge of system security, authentication, and access management concepts Experience with Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, or Solaris Scripting experience with Shell, Python, or Perl #J-18808-Ljbffr