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Senior Linux Windows System Administrator Jobs (NOW HIRING)

Belay Technologies

Senior System Administrator

Laurel, MD · On-site

$85K - $116K/yr

They are seeking a Senior System Administrator to join their intel team, responsible for providing ... administer Windows Server (various versions) and Linux server environments in a hybrid ...

3B Staffing LLC

Linux System Administrator

Camden, NJ · On-site

#894222 System Admin- Citizen Only Location : Camden, NJ (onsite 4 day a week) Duration 12-24mth ... Administer, support, and maintain Linux servers (Red Hat and Oracle Linux), Windows servers, and ...

ManTech

Senior Linux System Administrator

Laurel, MD · On-site

$128K - $214K/yr

As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs ... Configure and manage Linux, and possibly Windows operating systems, installs/loads operating system ...

SAIC

Windows System Administrator

Pensacola, FL · On-site

The Windows System Administrator will provide: * Desktop support of Windows 11 workstations in a ... Interact with the engineering management team and senior customer personnel on matters requiring ...

Leidos

Senior Linux System Administrator

Alexandria, VA

$107K - $195K/yr

The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are ...

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How much do senior linux windows system administrator jobs pay per year?

As of Jun 5, 2026, the average yearly pay for senior linux windows system administrator in the United States is $102,229.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What is the difference between Senior Linux Windows System Administrator vs Network Engineer?

AspectSenior Linux Windows System AdministratorNetwork Engineer
CertificationsLinux+, Windows Server, Cisco CCNACCNA, CCNP, CompTIA Network+
Work EnvironmentServer management, system troubleshooting, OS configurationNetwork design, routing, switching, infrastructure setup
Industry UsageIT departments managing servers and OS environmentsTelecom, enterprise networks, data centers

The Senior Linux Windows System Administrator primarily manages server OS environments, ensuring system stability and security. In contrast, a Network Engineer focuses on designing and maintaining network infrastructure. While both roles require networking and OS certifications, their daily tasks and focus areas differ significantly, catering to different aspects of IT infrastructure.

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What are the most commonly searched types of Linux Windows System Administrator jobs? The most popular types of Linux Windows System Administrator jobs are:
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Senior Linux Windows System Administrator jobs near you
Linux & Windows System Admin (DoD Secret) with Security Clearance

Linux & Windows System Admin (DoD Secret) with Security Clearance

Zachary Piper Solutions, LLC

San Diego, CA

$100K - $115K/yr

Contractor

Medical, Dental, Vision, Retirement, PTO

Posted 19 days ago

Job description

Zachary Piper Solutions is seeking a Linux & Windows Systems Administrator to support the Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves for NIWC PAC in San Diego, California. This role involves securing and maintaining both Windows and Linux systems, supporting infrastructure design, and ensuring compliance with DoD cybersecurity standards. Key Responsibilities: - Administer and maintain Windows, Linux, and VMware systems
  • Perform system hardening in accordance with DISA STIGs, CTOs, and other DoD guidance
  • Conduct and interpret ACAS scans to identify and remediate vulnerabilities
  • Configure and maintain Host-Based Security System (HBSS)
  • Provide technical input for infrastructure design and engineering reviews
  • Support secure enclaves and ensure compliance with cybersecurity requirements
  • Collaborate with team members and work independently as needed Required Qualifications: - Active Secret clearance
  • Minimum 3+ years of experience with Windows systems administration
  • IAT Level II certification (one of the following):
  • Security+ CE
  • GSEC
  • SCNP
  • SSCP Experience with:
  • Linux system administration
  • VMware environments
  • Applying DISA STIGs and security patches
  • Writing SOPs and security policies relevant to ESS/HBSS Preferred Qualifications: - Knowledge of ITIL processes and ITIL certification
  • Experience with the IAVM process
  • Familiarity with HBSS configuration and management Compensation: - Salary: $100,000 - $115,000 (based on experience and education)
  • Benefits: Comprehensive package including medical, dental, vision, 401(k), 20 days paid time off, 11 federal holidays, and sick leave

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