Linux Systems Engineer

TEKsystems•Dallas, TX

7d•$55 - $65•Remote

About The Position

Our client is a well-established research and technology-driven organization that supports a large-scale enterprise environment consisting of Linux, virtualization, cloud, storage, networking, and authentication services. The organization is focused on maintaining highly available infrastructure while investing in modernization, automation, and security initiatives. We are seeking an experienced Linux Systems Administrator to support and evolve critical enterprise infrastructure services. This individual will play a key role in ensuring the stability, security, and modernization of Linux-based infrastructure while supporting core services including DNS, DHCP, authentication systems, virtualization platforms, storage environments, and enterprise server operations. This position is focused on enterprise-scale administration and operational excellence. The ideal candidate will possess strong Linux expertise, infrastructure administration experience, automation skills, and the ability to collaborate effectively across multiple technology teams.

Requirements

Expert-level Linux Administration
Red Hat Enterprise Linux (RHEL)
AlmaLinux/CentOS
VMware Virtualization
DNS Administration
DHCP Administration
Enterprise Authentication Services
Python Scripting
Bash/Shell Scripting
Perl Scripting
Linux Performance Tuning & Troubleshooting
Enterprise Storage Administration
Networking Fundamentals (DNS, VLANs, Routing, Enterprise Integrations)
Strong written and verbal communication skills.
Ability to collaborate effectively with cross-functional technical teams.
Experience supporting heterogeneous enterprise environments.
Ability to operate independently while aligning with organizational standards and priorities.
Strong documentation and knowledge-transfer skills.

Nice To Haves

RADIUS administration and migration experience
LDAP administration
Identity & Access Management (IAM)
NetApp storage administration
SMTP and mail relay administration
Google Workspace administration and integrations
OpenBSD or FreeBSD administration
Windows Server administration
Enterprise backup and disaster recovery solutions
Infrastructure modernization and legacy system retirement projects

Responsibilities

Administer, maintain, and support enterprise Linux environments, including AlmaLinux, RHEL, and related distributions.
Manage core infrastructure services including DNS, DHCP, authentication services, SMTP/mail relays, and related enterprise technologies.
Support VMware virtualization environments and enterprise storage platforms.
Install, configure, maintain, troubleshoot, tune, and optimize Linux servers and infrastructure services.
Support authentication and identity-related technologies and participate in modernization initiatives.
Develop and maintain automation and operational scripts utilizing Python, Bash/Shell Scripting, and Perl.
Troubleshoot complex infrastructure, server, networking, storage, and authentication issues.
Participate in strategic planning efforts related to infrastructure modernization and future-state architecture.
Collaborate with Networking, Cybersecurity, Cloud, Identity Management, AI, and Web Operations teams on enterprise projects.
Support highly available enterprise systems and ensure service reliability.
Manage workflow and support requests through established IT service management practices.
Develop and maintain technical standards, procedures, system documentation, and operational runbooks.
Provide knowledge transfer and documentation deliverables to ensure long-term supportability.
Participate in Agile teams and infrastructure initiatives.
Evaluate emerging technologies and recommend solutions that improve efficiency, reliability, and security.
Support vendor relationships and assist with infrastructure acquisition, implementation, and lifecycle management.