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Professional System Administrator Jobs (NOW HIRING)

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... This team includes professionals who specialize in platform , network , and storage engineering ...

System Administrator - TS/SCI w/ Polygraph Location: Annapolis Junction, MD Work Model: 100% Onsite ... This team includes professionals who specialize in platform , network , and storage engineering ...

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP) Location: Annapolis Junction, MD Work ... This team includes professionals who specialize in platform , network , and storage engineering ...

$90 - $190/hr

You will work in a dynamic environment, collaborating with cybersecurity professionals, system owners, and enterprise administrators to implement and maintain secure server configurations across on ...

New

Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a System Administrator for the IT Technology Services contract. This project ...

System Administrator Location: Indian Springs, Nevada Duration: 12 Months Contract SCHEDULE The ... All professional certifications need to be enrolled in Continuing Education programs to ensure ...

System Administrator ID: 0726 Location: Wilmington, NC Department: ITS - IT Services More about ... equivalent professional experience. Additional Qualifications * Five or more years of network ...

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Professional System Administrator information

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$41K

$88.9K

$137.5K

How much do professional system administrator jobs pay per year?

As of Sep 2, 2026, the average yearly pay for professional system administrator in the United States is $88,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $104,000.00 per year, depending on experience, location, and employer.

What is a professional system administrator?

Professional system administrators are IT specialists responsible for managing, maintaining, and troubleshooting computer systems, networks, and servers within an organization. They ensure that these systems run efficiently, remain secure, and are updated with the latest software and security patches. System administrators often handle user account management, data backup and recovery, and monitor system performance. Their role is crucial for minimizing downtime and ensuring that employees have reliable access to the technology they need.

What are the key skills and qualifications needed to thrive as a professional system administrator?

To thrive as a Professional System Administrator, you need strong expertise in operating systems (Windows, Linux/UNIX), networking, troubleshooting, and typically a degree in computer science or a related field. Familiarity with server management tools, virtualization platforms, scripting languages (like PowerShell or Bash), and certifications such as CompTIA Network+ or Microsoft Certified: Azure Administrator are highly valuable. Problem-solving ability, attention to detail, and effective communication are essential soft skills for excelling in this role. These competencies ensure reliable system performance, quick issue resolution, and smooth collaboration with IT teams and end users.

What are some common challenges professional system administrators face when managing large-scale IT infrastructures?

Professional System Administrators often encounter challenges such as ensuring system security while maintaining uptime, efficiently scaling infrastructure to meet organizational growth, and keeping up with rapid software and hardware updates. Managing user permissions, troubleshooting complex technical issues, and coordinating with multiple teams across the organization are also frequent tasks. Staying proactive with monitoring, documentation, and automation helps address these challenges and keeps systems running smoothly.

What is the difference between Professional System Administrator vs Network Administrator?

AspectProfessional System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Juniper JNCIA
Work EnvironmentData centers, server rooms, enterprise IT environmentsNetwork operations centers, office networks, ISP infrastructure
Primary FocusServer management, OS configuration, system securityNetwork infrastructure, routing, switching, connectivity
Common TasksServer deployment, OS updates, user permissionsNetwork setup, troubleshooting connectivity issues

The Professional System Administrator and Network Administrator roles often overlap but focus on different areas of IT infrastructure. The System Administrator primarily manages servers and operating systems, while the Network Administrator specializes in network hardware and connectivity. Both roles require relevant certifications and are vital in maintaining enterprise IT environments.

Do professional system administrators make good money?

Professional system administrators typically earn competitive salaries that vary based on experience, certifications, and location. They often receive benefits such as health insurance and paid time off, and salaries tend to increase with expertise in areas like network management, security, and cloud services.

Is a professional system administrator a high paying job?

A professional system administrator often earns a competitive salary, especially with relevant certifications like CompTIA or Cisco, and experience managing networks and servers. Salaries vary by industry and location but generally reflect the technical skills and responsibilities involved in maintaining IT infrastructure.

Is a professional system administrator an entry level job?

A professional system administrator is typically not an entry-level position; it usually requires several years of experience, technical skills, and certifications such as CompTIA Server+ or Cisco CCNA. Entry-level roles in IT may be titled help desk technician or support specialist, with system administration roles requiring more advanced knowledge of operating systems, networks, and security.

What is the system administrator salary?

The salary for a system administrator typically ranges from $60,000 to $90,000 annually, depending on experience, location, and certifications. Entry-level positions may start lower, while experienced professionals with specialized skills or certifications like CompTIA or Cisco can earn higher salaries.

What cities are hiring for Professional System Administrator jobs?

Cities with the most Professional System Administrator job openings:

What are the most commonly searched types of System Administrator jobs?

The most popular types of System Administrator jobs are:

What states have the most Professional System Administrator jobs?

States with the most job openings for Professional System Administrator jobs include:

System Administrator

System One

Annapolis Junction, MD โ€ข On-site

$150K/yr

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 12 days ago


Job description

System Administrator – TS/SCI w/ Full Scope Polygraph (FSP)

Location: Annapolis Junction, MD Work Model: 100% Onsite Type: Direct Hire (W2) Compensation: Up to $150,000/year Schedule: 40 hours/week Clearance Required: Active TS/SCI with FSP

About the Role

We’re hiring System Administrators at multiple experience levels to support mission-critical operations in Linux-based, high-performance environments. This role is ideal for someone who enjoys hands-on troubleshooting, optimizing system performance, and working closely with engineering and operations teams to keep essential infrastructure reliable and available.

This team includes professionals who specialize in platform, network, and storage engineering—but everyone is expected to contribute to core Linux system administration and operational sustainment work.

What You’ll Do

  • Monitor, maintain, and troubleshoot systems and infrastructure supporting mission operations
  • Install, configure, and administer Linux operating systems and applications
  • Manage file systems, networking services, and system resources
  • Troubleshoot operating system and application issues in complex environments
  • Write and maintain Bash scripts to automate administrative tasks
  • Compile, install, configure, and support software applications
  • Support automation and configuration management initiatives
  • Collaborate with engineering/operations teams to resolve issues and improve performance
  • Document configurations, procedures, and troubleshooting steps
  • Participate in upgrades, maintenance windows, and operational support activities

Required Qualifications

  • Active TS/SCI with Polygraph
  • Linux administration experience with one or more of the following:
    • RHEL, CentOS, Rocky Linux, SLES, Ubuntu
  • Experience with:
    • Linux installation/configuration
    • File system administration
    • TCP/IP networking fundamentals
    • OS and application troubleshooting
    • Bash scripting
    • Software compilation and installation
  • Strong analytical troubleshooting skills and ability to work both independently and on a team

Nice to Have (Strongly Preferred)

  • Exposure to or understanding of High-Performance Computing (HPC) environments
  • Experience supporting large-scale enterprise or mission-critical infrastructure
  • Familiarity with high-speed networking such as InfiniBand and/or Slingshot
  • Tools/Platforms:
    • Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, Git, Salt, Ansible

Storage / Networking Experience (A Plus)

If you have a background in storage, networking, or infrastructure engineering, you’re highly encouraged to apply.

Storage technologies (preferred):

  • Lustre configuration/administration/troubleshooting
  • DDN Exascaler appliances
  • Storage fabric design/support
  • Storage performance tuning/optimization

Networking technologies (preferred):

  • Enterprise routing/switching (Cisco / Juniper / Arista)

Bonus (emerging tech exposure):

  • E1000 Storage Systems, ESNs, DAOS, Weka

Benchmarking/diagnostics tools:

  • IOR, iperf, FIO, lnet_selftest

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M-1

Ref: #851-Rockville-S1


System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US