> Markdown version of [/jobs/ext/1505756-unix-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1505756-unix-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Unix Systems Administrator

- **Company:** Saicon Consultants Inc.
- **Location:** San Jose, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** User Authentication, Unix, Ubuntu (Operating System), CentOS, Cloud Computing, Computer Engineering, Domain Name System (DNS), Perl (Programming Language), Monitoring of Systems, Identity and Access Management, Python (Programming Language), Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), OpenLDAP, Performance Tuning, Public Key Infrastructure, Red Hat Enterprise Linux, Shell Script, Solaris (Operating System), Scripting, Software Troubleshooting, Infrastructure Automation Frameworks, Information Technology, Directory Server, Server Operating Systems & Platforms
- **Published:** July 30, 2026
- **Apply:** https://www.dice.com/job-detail/0e9b5824-930d-4cb2-b82c-0380310a11d1

## About the Role

* 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 working in enterprise-scale production environments

Preferred Qualifications

 * Experience with OpenLDAP, 389 Directory Server, or similar LDAP platforms
 * Knowledge of Kerberos, PAM, SSO, MFA, or Identity & Access Management solutions
 * Experience with Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, or Solaris
 * Scripting experience with Shell, Python, or Perl
 * Familiarity with automation and configuration management tools
 * Exposure to cloud or hybrid infrastructure environments
 * Understanding of PKI, certificates, and encryption technologies

Technical Skills

 * LDAP / LDAPS
 * Unix / Linux Administration
 * DNS Administration
 * Server Builds & Patching
 * System Upgrades & Migration
 * Infrastructure Security
 * Troubleshooting & Performance Tuning
 * Shell Scripting
 * Authentication & Access Management

## Description

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., * 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


## Related Videos

- [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security)
- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Starting business without breaking the bank: Self hosted OSS productivity ecosystem](https://www.wearedevelopers.com/videos/1219-starting-business-without-breaking-the-bank-self-hosted-oss-productivity-ecosystem)
- [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications)
- [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba)
- [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)