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Senior Linux Windows System Administrator Jobs in Florida

SAIC

$75K - $102K/yr

Install, configure, and maintain Windows Server environments, including Active Directory and Group ... MCSA, Asure, Linux System Administration Fundamentals, Microsoft certified: Fundamentals or ...

Science Applications International Corporation

$75K - $101K/yr

Install, configure, and maintain Windows Server environments, including Active Directory and Group ... MCSA, Asure, Linux System Administration Fundamentals, Microsoft certified: Fundamentals or ...

SAIC

$75K - $101K/yr

Install, configure, and maintain Windows Server environments, including Active Directory and Group ... MCSA, Asure, Linux System Administration Fundamentals, Microsoft certified: Fundamentals or ...

L3HHCM20

Senior Specialist, Systems Administrator

Palm Bay, FL · On-site

$73K - $99K/yr

Preferred Additional Skills: * 6 years of experience as a System/Network Administrator supporting an enterprise-level domain environment. * Strong knowledge of Windows and/or Linux operating systems ...

Survice

System Administrator

Fort Walton Beach, FL

$75K - $120K/yr

  • Retirement

  • PTO

Primary Duties and Responsibilities of System Administrator * Assist in installing, configuring, and maintaining server software/hardware (Windows Server 2022/2025, Linux) and virtualized ...

L3HHCM20

Lead, Linux Systems Administrator

Jupiter, FL · On-site

Lead, Linux Systems Administrator Job ID: 41008 Job Location: Jupiter, FL Job Schedule: 9/80 ... Provide expert administration in a Red Hat Linux environment, ensuring optimal system performance ...

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Senior Linux Windows System Administrator information

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.

What are the most commonly searched types of Linux Windows System Administrator jobs in Florida?

The most popular types of Linux Windows System Administrator jobs in Florida are:

What cities in Florida are hiring for Senior Linux Windows System Administrator jobs?

Cities in Florida with the most Senior Linux Windows System Administrator job openings:

Senior Linux Windows System Administrator jobs near you

Senior System Administrator

SAIC

$75K - $102K/yr

Full-time

Re-posted 3 days ago

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

79th of 224 rated it services

Job description

Job ID: 2614555

Location: Tyndall AFB, FL, US

Date Posted: 2026-07-14

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: ORA_ON_SITE


Description

SAIC is looking for an experienced Senior System Administrator onsite at Tyndall AFB in Panama City, FL for the Network Information Technology Enterprise Services (NITES) contract to serve as the onsite liaison and subject matter expert for the NORAD & USNORTHCOM information technology enterprise. The ideal candidate will possess strong expertise in virtual enterprise solutions and Windows Server and Desktop, basic networking, securing enterprise environments, Hypervisor expertise and Microsoft domain services management, along with proficiency in collaboration tools such as SharePoint and Teams.

Key Responsibilities:

  • Install, configure, and maintain Windows Server environments, including Active Directory and Group Policy management.
  • Manage and optimize VMware and/or Nutanix virtualization technologies.
  • Implement and maintain security protocols in accordance with DoD standards.
  • Monitor network performance and troubleshoot connectivity issues.
  • Perform system patching and updates to ensure compliance and security.
  • Document system configurations, procedures, and security policies.
  • Capture, document and maintain knowledge documents and processes
  • Collaborate with cross-functional teams to enhance system functionality and security.
  • Represent NITES and NORAD & USNORTHCOM HQ at the external location as the site liaison and subject matter expert.

Qualifications

Requirements:

  • Security + Certification is required.
  • Expert-Level Certification is required (Security X (formally CASP+), GFACT, FITSP-O, CCNP Security, or CCSP).
  • MCSA, Asure, Linux System Administration Fundamentals, Microsoft certified: Fundamentals or equivalent.

Education: 

  • Bachelor’s degree in computer science, information technology, or a related field plus 9 years of experience or High School Diploma plus 12 years of experience.

Clearance Requirements: 

  • Top Secret/SCI is required.

Experience:

  • Proven experience as a System Administrator in a DoD or similarly regulated environment.
  • Strong experience with VMware/Nutanix/Microsoft virtualization technologies.
  • Strong experience with Windows Server and Desktop administration.
  • In-depth knowledge of networking protocols and cybersecurity best practices.
  • Experience managing Active Directory, Group Policies, and other Microsoft domain services.

Technical Skills:

  • Proficiency in Windows Server and Desktop administration and management.
  • Familiarity with SharePoint and Microsoft O365 products for project collaboration.
  • Experience with PowerShell, Microsoft Management Console, and other Microsoft management tools.
  • Understanding DoD compliance requirements and cybersecurity standards.

Certifications (optional but preferred):

  • Microsoft Certified: Azure Administrator Associate.
  • VMware Certified Professional (VCP) or Nutanix Certified Professional (NCP).

Work Location:

  • Onsite with limited work from home capabilities.
  • Up to 10% of travel.

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