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Contract Linux Windows System Administrator Jobs in Florida

ARSIEM

DoD Instructor (Windows/Linux)

Pensacola, FL · On-site

ARSIEM is looking for a DoD Instructor (Windows/Linux) to deliver Cyberspace Operations (CO ... Red Hat Certified System Administrator (RHCSA), Red Hat Certified Security Specialist (RHCSS ...

ManTech

System Administrator

Eglin, FL · On-site

The successful candidate will act as a systems Administrator for the Partner Support Complex. This ... Microsoft Windows Server, Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors ...

CesiumAstro

IT System Administrator II

Melbourne, FL · On-site

Responsibilities : • Build, deploy, and administer Windows and Ubuntu desktops, laptops, servers, and lab systems, including virtual machines. • Support Windows and Linux machines in an Active ...

I R U, LLC

Software Engineer, Windows Agent

Miami, FL · On-site

Debug, optimize, and secure system-level code in complex enterprise environments. * Collaborate ... Exposure to multi-OS agent design (macOS, Linux, Windows) for consistent policy enforcement and ...

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Contract Linux Windows System Administrator information

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

AspectContract Linux Windows System AdministratorNetwork Administrator
CertificationsLinux/Windows certifications (e.g., CompTIA Linux+, Microsoft Certified)Network certifications (e.g., Cisco CCNA, CompTIA Network+)
Work EnvironmentServer management, system deployment, troubleshooting on Linux and Windows serversNetwork infrastructure, routers, switches, and network security
Employer & Industry UsageIT service providers, tech companies, data centersTelecom, corporate IT departments, ISPs

The Contract Linux Windows System Administrator primarily manages server environments, focusing on operating systems, while the Network Administrator concentrates on network infrastructure and connectivity. Both roles require technical certifications and often work in similar industries, but their core responsibilities differ in scope and focus.

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 Contract Linux Windows System Administrator jobs?

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

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Infographic showing various Contract Linux Windows System Administrator job openings in Florida as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution.

DoD Instructor (Windows/Linux)

ARSIEM

Pensacola, FL • On-site

Full-time

Re-posted 27 days ago

Job description

About ARSIEM Corporation
At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.
As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.
ARSIEM is looking for a DoD Instructor (Windows/Linux) to deliver Cyberspace Operations (CO) training. The position will support one of our Government clients in Pensacola, FL.
Responsibilities
  • Perform CO Instructor for Operating Systems (Windows or Linux) duties by delivering highly technical training in a military environment consisting of lectures, labs, exercises and other delivery methods.
  • Assist with developing CO training curriculum (lecture content, student/instructor guides, exams, exercises, simulations, etc.).
  • Provide instruction that teaches assigned students as described in the course Program of Instruction.
  • Conduct practical exercises in a laboratory environment, conduct student study hall periods and provide tutoring/remedial instruction for up to twenty students per class.
  • Incorporate/impart technical knowledge into their training delivery.
  • Assess student knowledge, skills and abilities to gauge student proficiency in the topic.
  • Deliver instruction via interactive synchronous and asynchronous learning activities.
  • Review and analyze training materials and recommend changes.
  • DoDD 8140.01/DoD 8570.01-M Level II certifications are desired but not required.

Minimum Qualifications
  • Bachelor's Degree plus two (2) years of experience in Cyberspace Operations (CO).
  • Experience in CO is defined as experience in Defensive Cyberspace Operations (DCO) or Offensive Cyberspace Operations (OCO).
  • In lieu of a degree, four (4) years of experience in Cyberspace Operations (CO).
  • Experience in adult learning with an emphasis on providing instruction to large classes. US Military instructor certification or designation is highly desirable (e.g., teaching certificate, certified professional instructor, master training specialist, adjunct faculty certification, etc.).

WINDOWS Operating System Qualifications
  • Workgroup vs. Domain environments: SAM vs. Active Directory, Local policy vs. Group Policy, Authentication Packages (NTLM and Kerberos)
  • Compare and contrast a Process to a Service
  • DNS: Active Directory Integrated Zones, Common Resource Records, Zone Analysis
  • Windows API: Subsystem Components, Native API
  • Windows Architecture: User mode and Kernel mode components, Virtual Memory, Scheduling and Dispatch
  • Windows Registry: Keys and values, Root keys
  • Active Directory (PowerShell a plus): Group Policy, Account Management
  • File Systems: FAT and exFAT, NTFS
  • Process Management: Memory Requirements, Access Token, Dynamic Link Libraries (DLLs)
  • Windows Services: Service Control Manager, SVCHOST
  • 3-5 years of experience with Windows 2000, XP, 7, 8, 10, and Server 2003/2008/2012
  • In-depth understanding and experience with file system analysis (NTFS and FAT (exFAT a plus)), Virtual Memory, Boot Process (GPT and MBR), UEFI, Kernel architecture, Process resources and management, Windows subsystem (API)

UNIX Operating System Qualifications
  • Standard UNIX system architecture
  • Kernel and kernel modules
  • User and Kernel mode components
  • System calls and lightweight processes
  • Command line interface (CLI) for Solaris and Linux variances
  • File system structure (Superblock, Group Descriptor Table, Block and Data Group)
  • Linux authentication and authorization files (passwd, shadow, and group)
  • Linux Network File System (NFS)
  • Samba security
  • Apache security
  • Enumerating UNIX OS
  • Wireshark, Nmap, iptables
  • Host and network-based system security mechanisms
  • 3-5 years of experience as a UNIX-like developer/administrator with CLI experience
  • Red Hat Certified System Administrator (RHCSA), Red Hat Certified Security Specialist (RHCSS), Oracle (formerly Sun) Systems Administrator, Linux+ (Linux Professional Institute) Certification (LPIC), Security+ or Network+ or similar certifications with at least 3 years work experience at stated certification level is desired

Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a U.S. citizen for consideration.
Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.
ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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