Senior Systems Administrator Jobs in Florida

Senior Systems Administrator jobs in Florida are in strong demand, with active hiring across financial services, healthcare, defense contracting, and tourism technology companies at every level from mid-career to principal engineer. The largest concentrations of openings are in Tampa, Miami, and Orlando, where established employers like Lockheed Martin, AdventHealth, and Citigroup maintain significant operations and rely heavily on senior infrastructure talent. The most sought-after specializations in Florida include cloud infrastructure management, virtualization, Active Directory, and network security hardening. Find a role that fits below and apply directly.

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Overview

Open roles30
Top employerGeneral Dynamics Information Technology
Top cityTampa, FL
Cities hiring15
Work type56% On-site
Top industryAerospace

Showing 5 of 30+ Senior Systems Administrator jobs

General Dynamics Information Technology
Cybersecurity Systems Administrator
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General Dynamics Information Technology
Added 1d ago
Cybersecurity Systems Administrator
General Dynamics Information Technology
Tampa, Florida
Cybersecurity
IT Support
Network Engineering
$102k - $138k/yr
Bachelor's degree
10,000+

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L3Harris
Senior Associate, Systems Administrator (Palm Bay) (TS/SCI with FS Poly)
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L3Harris
Added 1d ago
Senior Associate, Systems Administrator (Palm Bay) (TS/SCI with FS Poly)
L3Harris
Palm Bay, Florida
Customer Support
IT Support
Technical Product & Program Management
Bachelor's degree
10,000+

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Gemaire Distributors
IT Systems Administrator
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Gemaire Distributors
Added 2d ago
IT Systems Administrator
Gemaire Distributors
Deerfield Beach, Florida
Business Analysis
Business Operations
Project Management
Hybrid
ITIL Certification

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General Dynamics Information Technology
Compliance Systems Administrator
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General Dynamics Information Technology
Added 2d ago
Compliance Systems Administrator
General Dynamics Information Technology
Tampa, Florida
Customer Service & Support
Customer Support
IT Support
Technical Program Management
$89k - $121k/yr
ITIL Certification
10,000+

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S
Senior Systems Administrator
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S
Added 3d ago
Senior Systems Administrator
SafeTouch
Jacksonville, Florida
Program Management
Project & Program Management
Project Management
$90k - $100k/yr
Bachelor's degree in information technology

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See All 30 Senior Systems Administrator Jobs in Florida

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Senior Systems Administrator Jobs by City in Florida

Where Florida roles are concentrated, by current openings.

Tampa
7 jobs
Orlando
4 jobs
Melbourne
3 jobs
Jacksonville
3 jobs
Palm Bay
2 jobs
Macdill AFB
2 jobs
Miami
1 job
Dunedin
1 job
Eglin AFB
1 job

Senior Systems Administrator Job Market in Florida

A snapshot from current Florida openings, updated as new roles post.

Who's Hiring

General Dynamics Information Technology
General Dynamics Information Technology5 open roles
L3Harris
L3Harris3 open roles
Northrop Grumman
Northrop Grumman2 open roles

Top Industries Hiring

  • Aerospace & Defense

What Florida Employers Look For

The qualifications that appear most often in senior systems administrator jobs across Florida.

  • Minimum seven years of systems administration experience managing enterprise infrastructure environments
  • Proficiency with Windows Server, Linux, and Active Directory in large-scale deployments
  • Hands-on experience with virtualization platforms such as VMware vSphere or Microsoft Hyper-V
  • Relevant certifications such as Microsoft MCSA, CompTIA Security Plus, or VMware VCP preferred
  • Experience supporting cloud platforms including AWS, Azure, or Google Cloud in hybrid environments
  • Strong scripting and automation skills using PowerShell, Bash, or Python for systems management

Senior Systems Administrator Jobs in Florida: Frequently Asked Questions

How do you become a senior systems administrator in Florida?

Senior systems administrator roles in Florida do not require a state-issued license, but employers consistently expect a bachelor's degree in computer science, information technology, or a related field combined with several years of progressive infrastructure experience. Industry certifications such as CompTIA Security Plus, Microsoft Azure Administrator, or VMware VCP carry real weight with Florida hiring managers, particularly in the defense, healthcare, and financial services sectors that anchor the state's IT labor market.

How much do senior systems administrators make in Florida?

Senior systems administrators in Florida earn a median of about $95,200 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $59,340 for the lowest 10% to over $143,140 for the top 10%. Pay rises with experience, specialty, and employer.

Which companies hire senior systems administrators in Florida?

Employers hiring senior systems administrators in Florida right now include General Dynamics Information Technology, L3Harris, and Northrop Grumman, based on current listings on Migrate Mate as of September 2026. Florida's mix of large defense contractors around Tampa and Melbourne, major hospital systems in Orlando and Miami, and regional financial institutions creates a broad and consistent base of senior-level infrastructure hiring throughout the state.

Which Florida cities have the most senior systems administrator jobs?

Tampa, Orlando, and Melbourne have the most senior systems administrator openings in Florida right now. Tampa leads because of the concentration of defense contractors and financial services firms on the Gulf Coast, while Orlando's healthcare networks and hospitality technology companies drive steady hiring, and Miami's position as a regional headquarters hub for multinational corporations generates ongoing demand for senior infrastructure talent.

Are there remote senior systems administrator jobs in Florida?

Yes, and more than most technical fields, since much of the configuration, monitoring, and scripting work can be done off-site. About 44% of senior systems administrator openings tied to Florida are remote or hybrid as of September 2026, reflecting how widely cloud tools and remote management platforms have been adopted. The portions of the role most likely to remain on-site involve physical hardware maintenance, data center work, and classified government contract environments.

How can I get hired as a senior systems administrator in Florida with little or no experience?

The most realistic entry path is starting as a help desk technician or junior systems administrator at a Florida employer and building toward the senior tier through demonstrated project ownership. Large Florida health systems like AdventHealth and HCA Florida run structured IT associate programs that bring in candidates with associate degrees or CompTIA A Plus certification. Gaining hands-on lab experience with virtualization and cloud tools, then earning a recognized certification, is the credential combination that most consistently opens doors with Florida hiring teams.

Where can I find and apply to senior systems administrator jobs in Florida?

You can find and apply to senior systems administrator jobs in Florida on Migrate Mate, which lists current openings from employers actively hiring across the state. Search the listings for roles that match your experience level, specialization, and preferred location, then apply directly to the ones that fit.

See All 30 Senior Systems Administrator Jobs in Florida

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