Senior Level System Administrator Jobs

Senior level system administrator jobs put experienced professionals in charge of infrastructure strategy, system reliability, and the engineering teams or cross-functional projects that keep enterprise environments running. Openings are concentrated across on-site, remote, and hybrid settings in Technology & Software, Consulting & Professional Services, and Electronics & Hardware, with employers like Axway, Amentum, and Related hiring at this level now.

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Overview

Open roles10
Top stateMaryland
Top employerAxway
Top cityAnnapolis, MD
Work type80% On-site
Top industryTechnology

Showing 5 of 10+ Senior Level System Administrator jobs

Panasonic
Clarity PPM System Administrator
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Panasonic
Added 5d ago
Clarity PPM System Administrator
Panasonic
Irvine, California
Business Development
Customer Success
$119k - $199k/yr
Bachelor's degree in business
10,000+

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iFlow Inc.
CAE HPC System Administrator
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iFlow Inc.
Added 3w ago
CAE HPC System Administrator
iFlow Inc.
Saline, Michigan
IT Support & Systems Administration
Cloud & DevOps
Specialized Engineering
IT Support
Systems Administration
Engineering (Non-Software)
$60 - $65/yr
Hybrid
None

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Amentum
System Administrator 3
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Amentum
Added 3mo ago
System Administrator 3
Amentum
Annapolis, Maryland
IT Support
Network Engineering
Systems Administration
$175k - $215k/yr
Bachelor's degree

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TISTA Science and Technology Corporation
Linux/UNIX System Administrator
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TISTA Science and Technology Corporation
Added 3mo ago
Linux/UNIX System Administrator
TISTA Science and Technology Corporation
Austin, Texas
Cloud & DevOps
IT Support
Systems Administration
On-Site
AWS Certification
201-500

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Related
System Administrator – Endpoint & Client Technologies
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Related
Added 3mo ago
System Administrator – Endpoint & Client Technologies
Related
New York, New York
Compliance & Risk
Cybersecurity
IT Support
$130k - $150k/yr
On-Site
Bachelor's degree in information technology
1,001-5,000

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Senior Level System Administrator Job Market

Who's Hiring

Axway
Axway1 open role
Amentum
Amentum1 open role
Related
Related1 open role

Top Industries Hiring

  • Technology & Software
  • Consulting & Professional Services
  • Electronics & Hardware
  • Construction & Real Estate
  • Automotive

Senior Level System Administrator Jobs: Frequently Asked Questions

How do I get a senior level system administrator job?

Focus on demonstrating ownership rather than task execution. Employers at this level want candidates who have architected solutions, led migrations or upgrades end to end, and mentored junior staff. Highlight cross-team projects where your decisions shaped outcomes, certifications like RHCE, MCSE, or AWS SysOps, and experience with large-scale or highly available environments. A portfolio of infrastructure improvements you initiated carries significant weight.

Which companies hire senior level system administrators?

Companies hiring senior level system administrators right now include Axway, Amentum, and Related, based on current listings on Migrate Mate as of September 2026. Hiring at this level tends to come from large enterprises, government contractors, healthcare systems, and technology firms that rely on complex, always-on infrastructure and need experienced professionals to own it.

Are there remote senior level system administrator jobs?

Yes, though availability varies by employer and infrastructure requirements. About 20% of senior level system administrator openings are remote or hybrid as of September 2026, reflecting demand from organizations comfortable with distributed IT leadership. Roles tied to on-premises hardware or regulated environments often require at least partial on-site presence, while cloud-heavy environments offer more flexibility.

What makes a system administrator role senior level?

Senior level system administrator roles are defined by scope, accountability, and leadership. These positions own infrastructure decisions rather than implementing someone else's plan, drive architecture improvements, set standards across teams, and are responsible for uptime and security at an organizational level. Mentoring junior and mid-level administrators and collaborating directly with engineering and security leadership are also core expectations at this stage.

Which industries hire the most senior level system administrators?

Senior Level system administrator roles concentrate in Technology & Software, Consulting & Professional Services, and Electronics & Hardware, based on current listings on Migrate Mate as of September 2026. These sectors tend to operate large, regulated, or mission-critical environments where experienced system ownership, compliance requirements, and infrastructure scale demand professionals who can lead rather than just maintain.