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Sr System Admin Jobs (NOW HIRING)

Decisionpoint Corporation

$86K - $116K/yr

The Senior System Administrator will support Windows server environments, Active Directory, SCCM, virtualization, storage, backup and recovery, enterprise services, vulnerability remediation, STIG ...

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$49K

$102.2K

$143.5K

How much do sr system admin jobs pay per year?

As of Sep 3, 2026, the average yearly pay for sr system admin in the United States is $102,229.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What is a Sr System Admin?

Sr System Admins, or Senior System Administrators, are IT professionals responsible for managing and maintaining an organization's computer systems, servers, and network infrastructure. They oversee system performance, troubleshoot issues, implement security measures, and ensure data integrity and availability. Sr System Admins often lead projects, mentor junior staff, and play a critical role in planning and executing IT strategies to support business operations.

What are the key skills and qualifications needed to thrive as a Sr System Admin?

To thrive as a Sr System Admin, you need advanced knowledge of operating systems, network infrastructure, security protocols, and typically a degree in computer science or related field. Proficiency with server virtualization tools, cloud platforms (like AWS or Azure), and certifications such as Microsoft Certified: Windows Server or CompTIA Server+ are highly valuable. Strong problem-solving skills, effective communication, and the ability to work independently or lead a team set exceptional candidates apart. These skills and qualifications are crucial to ensure reliable system performance, security, and efficient IT operations in complex enterprise environments.

What are some common challenges Sr System Admins face when managing complex IT infrastructures?

Sr System Admins often encounter challenges such as integrating legacy systems with modern technologies, maintaining high system uptime, and responding quickly to security threats. Balancing proactive maintenance with urgent troubleshooting can be demanding, especially in large, distributed environments. Effective communication and collaboration with network, security, and development teams is essential to ensure seamless operations and swift issue resolution. Staying current with evolving technologies and best practices is also key to successfully managing these challenges.

Do senior system administrators make good money?

Senior system administrators typically earn higher salaries due to their experience, technical skills, and certifications such as CompTIA or Cisco. Their compensation can vary based on industry, location, and company size but generally reflects their advanced responsibilities managing complex IT infrastructure. They often receive benefits like bonuses, overtime, and opportunities for career advancement.

What does a senior system administrator do?

A senior system administrator manages and maintains an organization’s IT infrastructure, including servers, networks, and security systems. They troubleshoot issues, implement updates, and ensure system reliability, often using tools like scripting and monitoring software. They also provide guidance to junior staff and may hold certifications such as CompTIA Server+ or Microsoft Certified Solutions Expert.
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Sr System Admin jobs near you
Infographic showing various Sr System Admin job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $102,229 per year, or $49.1 per hour.

Senior System Administrator - FFNN-8807

Innovative Systems and Solutions, Inc

Annapolis Junction, MD • On-site

$87K - $119K/yr

Full-time

Medical, Dental, Vision, Life

Re-posted 20 days ago

Job description


Senior System Administrator (TS/SCI with Polygraph)
Location: Annapolis Junction, Maryland
Innovative System Solutions (ISSI) is seeking a Senior System Administrator with an active TS/SCI clearance with polygraph. This is an exciting opportunity for candidates seeking meaningful work in a collaborative, team-oriented environment.
About the Role
The Senior System Administrator will support the implementation, troubleshooting, and maintenance of Information Technology (IT) systems. This role is responsible for managing system infrastructure and ensuring reliable day-to-day operations across client, server, storage, and network environments.
Key Responsibilities
  • ProvideTier 1 (Help Desk) and Tier 2 (Escalation) support, including problemidentification, diagnosis, and resolution
  • Supportescalation processes and communicate status updates to agency managementand internal stakeholders
  • Maintaininvolvement in dispatch system and hardware issue resolution
  • Configureand manage UNIX and Windows operating systems
  • Install,troubleshoot, and maintain operating system software and networkcomponents
  • Implementsystem enhancements to improve performance and reliability
  • Monitordaily IT system operations, including servers, storage, networks, andmobile devices
  • Performsystem capacity planning and resource optimization
  • Developsystem engineering management and integration/test plans
  • Providedetailed analysis and feedback for escalated issues
  • Collaboratewith government personnel, program staff, and senior leadership
  • Ensuretechnical integrity of systems engineering deliverables

Requirements
Qualifications
  • Active TS/SCI clearance with polygraph (required)
  • Minimum 10 years of experience as a System Administrator in programs ofsimilar scope and complexity
  • Bachelor'sdegree in a technical discipline from an accredited college or university
    • Substitutions:
      • 5additional years of SA experience may substitute for a degree
      • 5additional years of Systems Engineering experience may also substitute
  • Strongexperience troubleshooting complex IT systems
  • Experiencewith UNIX and Windows system administration
  • Abilityto manage daily IT operations and provide user support

Salary Range 170-175,000
The salary range provided is a general guideline. ISSI considers several factors when determining compensation, including the role's responsibilities, candidate experience, education, skills, and current market conditions.
Benefits
What We Offer
ISSI provides a highly competitive benefits package, including:
  • 401(k)with matching contributions
  • Health,Dental, and Vision coverage
    • Prescriptiondrug plans
    • Employer-fundedHealth Savings Account (HSA)
    • Mentalhealth resources
  • Lifeand AD&D insurance
  • Short-Termand Long-Term Disability coverage
  • Businesstravel and expense reimbursement
  • Employeereferral program with cash bonuses
  • Employeerecognition program
  • Tuitionand training reimbursement

Who Is ISSI?
ISSI is a growing management and technology consulting firm specializing in systems and software solutions. Our team is dedicated to delivering exceptional results for both our clients and employees.
Since our inception, we have focused on developing innovative solutions that help organizations achieve their goals. We pride ourselves on collaboration, technical excellence, and staying at the forefront of emerging technologies.
Equal Opportunity Employer
ISSI is proud to be an Equal Opportunity Employer. All employment decisions-including hiring, promotion, discipline, and termination, are based on merit and business needs. We do not discriminate on the basis of race, color, religion, age, genetic information, or any other protected status under federal, state, or local law.

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