Senior Network and Computer Systems Administrator

About The Role

Senior Network and Computer Systems Administrator

> Saalex · Camarillo, United States · Full-time · Posted 2026-07-23

**Salary:** USD 130,000–140,000

**Workplace:** on_site

**Department:** DITAC

Description

**Saalex** is seeking a **Senior Network & Systems Administrator in Camarillo, CA** to support the administration, security, modernization, and sustainment of enterprise server and network environments. The selected candidate will serve as a technical resource responsible for maintaining secure, reliable, and compliant infrastructure supporting mission-critical operations. This role requires extensive experience with Windows and Linux administration, cybersecurity compliance, automation, patch management, enterprise services, and server lifecycle support.

**Position Type**: Full-Time

**Salary Range:** $130K-$140K (depending on experience)

**Work Location:** Onsite.

**Essential Functions:**

Administer, maintain, and troubleshoot enterprise Windows and Linux server environments.
Manage and support DNS, DHCP, Active Directory domain services, and Group Policy Objects (GPOs).
Implement and maintain security controls, compliance baselines, and DISA STIG requirements.
Perform server patching, operating system upgrades, lifecycle management, and infrastructure modernization activities.
Deploy, configure, and maintain Windows Server environments and enterprise services.
Administer and support SQL database environments and related services.
Develop and maintain automation scripts using PowerShell and other scripting technologies.
Support Linux server administration and maintenance activities, including Red Hat-based environments.
Maintain system documentation, technical procedures, and configuration baselines.
Coordinate with engineers, cybersecurity personnel, and customer stakeholders to support operational requirements.
Other duties as assigned or required.

Requirements

**Required**:

Minimum of five (10) years of experience administering enterprise Windows Server environments.
Experience administering DNS, DHCP, Active Directory domain services, and Group Policy Objects (GPOs).
Experience implementing security controls and maintaining compliance with DISA STIG requirements.
Experience with Windows deployment, patch management, and server lifecycle administration.
Strong Linux server and systems administration experience.
Experience administering and supporting SQL database environments.
Experience developing and maintaining PowerShell automation scripts.
Strong troubleshooting, analytical, and communication skills.
Ability to work independently and provide technical leadership within a team environment.

**Desired:**

Microsoft Windows Server 2019 (or later) certification, qualification, or equivalent enterprise-level operating system credentials.
Red Hat certification (RHCSA/RHCE) or equivalent Linux administration credentials.
Enterprise operating system certifications such as LFCS or comparable credentials.
Experience with Python scripting and automation.
Experience supporting DoD or Federal Government environments.

**Education:**

Masters Degree is preferred or a Bachelor's degree in Information Technology, Computer Science, Information Systems, Engineering, or a related field plus 4 additional years of experience.

**Security Clearance:**