Senior Network and Computer Systems Administrator

Posted Yesterday
Be an Early Applicant
Camarillo, CA, USA
In-Office
130K-140K Annually
Senior level
Aerospace • Information Technology • Cybersecurity • Defense
The Role
Administer, secure, and modernize enterprise Windows and Linux server and network environments. Manage DNS, DHCP, Active Directory/GPOs, patching, OS upgrades, SQL databases, DISA STIG compliance, and automation (PowerShell). Provide technical leadership, troubleshooting, documentation, and coordination with engineers, cybersecurity staff, and stakeholders to support mission-critical operations.
Summary Generated by Built In

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 (5) 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:

Bachelor's degree in Information Technology, Computer Science, Information Systems, Engineering, or a related field preferred. Relevant certifications and equivalent experience may be substituted for formal education.

Security Clearance:

Active Secret clearance required with the ability to obtain a Top Secret clearance. Requirements to obtain a clearance include US Citizenship, security investigation, etc.  


Benefits
  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan

Skills Required

  • Minimum of five (5) years administering enterprise Windows Server environments
  • Administer and support DNS, DHCP, Active Directory domain services, and Group Policy Objects (GPOs)
  • Implement security controls and maintain compliance with DISA STIG requirements
  • Windows deployment, patch management, and server lifecycle administration experience
  • Strong Linux server and systems administration experience (Red Hat-based environments)
  • Administer and support SQL database environments
  • Develop and maintain PowerShell automation scripts
  • Strong troubleshooting, analytical, and communication skills
  • Ability to work independently and provide technical leadership within a team
  • Active Secret security clearance required with ability to obtain Top Secret
  • Onsite work in Camarillo, CA
  • Bachelor's degree in IT, Computer Science, Information Systems, Engineering, or related field (or equivalent experience/certifications)
  • Red Hat certification (RHCSA/RHCE), LFCS, or Windows Server 2019 certification (preferred)
  • Experience with Python scripting and automation (desired)
  • Experience supporting DoD or Federal Government environments (desired)
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The Company
1,200 Employees
Year Founded: 1999

What We Do

Saalex Corporation is an advanced technology systems integrator and federal services contractor. Founded in 1999, it specializes in engineering, information technology, cybersecurity, and test range operations. The company serves defense, space, and intelligence markets, leveraging AI, automation, and software modernization. As an employee-owned (ESOP) organization, it focuses on delivering mission-critical support and innovative solutions to military and government customers.

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