Senior Systems Administrator Jobs

Senior Systems Administrator jobs are open across healthcare, finance, government, and technology, from mid-level to staff and principal, with specializations in cloud infrastructure, Windows and Linux environments, and virtualization. Find a role that fits from the openings below and apply directly.

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Overview

Open roles1,454+
Top stateCalifornia
Top employerCVS Health
Top cityRemote
Work type71% On-site
Top industryTechnology

Showing 5 of 1,454+ Senior Systems Administrator jobs

Intuitive (Intuitive Surgical)
Senior System Administrator
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Intuitive (Intuitive Surgical)
New 1h ago
Senior System Administrator
Intuitive (Intuitive Surgical)
Sunnyvale, California
IT Support & Systems Administration
Technical Product & Program Management
Project & Program Management
IT Support
Technical Program Management
Project Management
$134k - $227k/yr
On-Site
Bachelor's

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University Health
Senior Systems Administrator
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University Health
Added 3d ago
Senior Systems Administrator
University Health
San Antonio, Texas
IT Support & Systems Administration
Technical Product & Program Management
IT Support
Systems Administration
On-Site
None
10,000+

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Headway Technologies
Senior Systems Administrator
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Headway Technologies
Added 4d ago
Senior Systems Administrator
Headway Technologies
Milpitas, California
IT Support & Systems Administration
Data Engineering
IT Support
Systems Administration
Database Administration (DBA)
$35.00 - $45.00/hr
On-Site
Bachelor's

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Maximus
Senior System Administrator
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Maximus
Added 6d ago
Senior System Administrator
Maximus
Tysons, Virginia
IT Support & Systems Administration
Technical Product & Program Management
IT Support
Systems Administration
Technical Program Management
$70k - $100k/yr
On-Site
Bachelor's
10,000+

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Maximus
Senior System Administrator
We won't show you this job again
Maximus
Added 6d ago
Senior System Administrator
Maximus
Tysons, Virginia
IT Support & Systems Administration
Technical Product & Program Management
IT Support
Systems Administration
Technical Program Management
$70k - $100k/yr
On-Site
Bachelor's
10,000+

Have you applied for this role?

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Senior Systems Administrator Job Market

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

Who's Hiring

  • CVS Health
    CVS Health105
  • Transaction Network Services (TNS)
    Transaction Network Services (TNS)25
  • NVIDIA
    NVIDIA20
  • Memorial Hermann Health System
    Memorial Hermann Health System16
  • Kirkland & Ellis
    Kirkland & Ellis15

Top Industries Hiring

  • Technology & Software391
  • Healthcare & Medical Services283
  • Consulting & Professional Services98
  • Electronics & Hardware60
  • Biotechnology & Pharmaceuticals53

What Employers Look For

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

  • Five or more years of hands-on systems administration experience in enterprise environments
  • Proficiency with Windows Server and Active Directory administration and management
  • Experience managing Linux systems including configuration, patching, and user administration
  • Hands-on experience with virtualization platforms such as VMware vSphere or Hyper-V
  • Familiarity with cloud platforms including AWS, Azure, or Google Cloud infrastructure services
  • Bachelor's degree in computer science, information technology, or a related technical field

Tips for Your Senior Systems Administrator Job Search

Tailor your resume to each environment

Senior systems administrator roles split sharply between Windows-heavy shops and Linux-dominant ones. Call out your primary OS environment, the hypervisors you've managed, and the scale you've operated at, whether that's a 50-node network or multi-site enterprise infrastructure.

Lead with certifications employers actually require

CompTIA Network+, Microsoft Certified: Azure Administrator, and Red Hat certifications appear repeatedly in job postings. List active certs near the top of your resume, not buried in a footnotes section, so recruiters confirm your qualifications in the first pass.

Apply early to roles that fit

Migrate Mate lists senior systems administrator openings from across the United States in one place, so you can find roles that match and apply directly to each listing.

Highlight automation and scripting contributions

Hiring managers for senior roles want proof you've reduced manual work. Name the scripts you've written in PowerShell, Python, or Bash and describe what they automated, whether patch deployment, user provisioning, or monitoring alerts, and the time or error-rate impact.

Prepare a structured answer on a major outage

Almost every senior systems administrator interview includes a question about handling a critical failure under pressure. Rehearse one clear story using a situation-action-result structure, covering how you diagnosed the issue, who you communicated with, and what you changed afterward.

Negotiate on total compensation, not just base

Senior systems administrator offers often include on-call stipends, certification reimbursement, and training budgets that vary widely between employers. Ask explicitly about each component during the offer stage so you're comparing full packages, not base salaries alone.

Senior Systems Administrator Jobs: Frequently Asked Questions

Which companies are hiring the most senior systems administrators?

The companies hiring the most senior systems administrators right now include CVS Health, Transaction Network Services (TNS), and NVIDIA, with the largest share of openings in California, Texas, and New York, based on current listings on Migrate Mate as of June 2026. Healthcare systems, defense contractors, and large financial institutions consistently maintain some of the highest ongoing demand for this role.

How many senior systems administrator jobs are remote?

About 29% of senior systems administrator openings are fully remote or hybrid as of June 2026, reflecting the fact that much of the role can be performed through remote management tools and VPN access. Cloud-focused positions and those tied to SaaS or fully virtualized environments tend to offer the highest share of remote or hybrid flexibility, while roles involving on-premises hardware maintenance typically require more on-site presence.

How do you become a senior systems administrator?

Start by building a strong foundation in networking fundamentals, operating systems, and directory services through entry-level administrator or help desk roles. Progress by taking on broader infrastructure ownership, earning vendor certifications in areas like cloud or virtualization, and demonstrating that you can manage environments with minimal supervision. Most employers expect several years of demonstrated hands-on experience before considering a candidate for a senior designation.

Can you get hired as a senior systems administrator without direct experience at that level?

Yes, if you can demonstrate that your current or previous work matches senior-level scope, even without the title. Employers focus on what you've actually managed: the size of the environment, the complexity of the infrastructure, and whether you've owned projects end-to-end. Document specific systems you administered independently, incidents you led, and any mentorship or cross-functional work you handled to make that case clearly on your resume.

What does the senior systems administrator interview process look like?

Most processes include an initial recruiter screen, a technical interview covering OS administration, networking, and scripting concepts, and at least one round with the hiring manager or infrastructure team. Some employers add a practical component where you walk through a scenario or troubleshoot a simulated problem. Final rounds often include a culture or team fit conversation, and the full process typically runs across several weeks.

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

You can find and apply to senior systems administrator jobs on Migrate Mate, which lists current openings from employers across the United States. Search the available roles, find the ones that match your background and preferences, and apply directly to each listing from the same place.

See All 1,454+ Senior Systems Administrator Jobs

Jump back to the full list of openings and apply to any senior systems administrator role that fits.

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