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Sr System Admin Jobs (NOW HIRING)

Senior System Administrator

Laurel, MD · Hybrid

$85K - $115K/yr

We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a ...

Sr. System Administrator

Chicago, IL · On-site

$100K - $120K/yr

We're looking for friendly, professional, and motivated Sr. Systems Administrator to join our ... Minimum of three years' experience in a Systems Admin role encompassing the following: * Experience ...

Senior System Administrator

Houston, TX · On-site

$82K - $111K/yr

The Senior System Administrator is responsible for designing, optimizing, and securing the ... Due to unrestricted privileged access (Domain Admin / Root) to critical intellectual property and ...

Senior System Administrator

Annapolis, MD · On-site

$85K - $115K/yr

Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the ...

Senior System Administrator

Franklin, TN · On-site

$82K - $112K/yr

The Senior Systems Administrator is a key member of that team. This role owns the infrastructure reliability of an assigned portfolio of plant sites, serves as the senior technical resource for ...

System Administrator - Senior

WA · On-site

$93K - $126K/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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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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What cities are hiring for Sr System Admin jobs?

Cities with the most Sr System Admin job openings:

What states have the most Sr System Admin jobs?

States with the most job openings for Sr System Admin jobs include:

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

Cape Fox Corporation

Chantilly, VA • On-site

$120K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 hours ago


Job description

Job Title
Senior System Administrator
Job Description
The Cape Fox Corporation subsidiary Cape Fox Shared Services (CFSS) is seeking an experienced Senior Systems Administrator (SSA). The SSA serves as a technical leader within Cape Fox, responsible for designing, implementing, securing, and maintaining the organization's server, network, and cloud infrastructure. This role provides expert-level support and hands-on administration across Windows servers, virtualization platforms, firewalls, switches, storage, and enterprise applications. The Senior Systems Administrator ensures the stability, performance, and security of mission-critical systems while driving infrastructure improvements, leading technical projects, and supporting strategic IT initiatives. This position requires deep technical expertise, strong problem-solving abilities, and the ability to collaborate effectively with IT leadership and cross-functional teams to support a high-performing, secure enterprise environment.
The salary range (or hiring range) for this exempt position has been established at: $120,000- $130,000.
The above salary range represents the company's good faith and reasonable estimate of the range of possible compensation at the time of posting. In addition, we offer a variety of benefits including company holidays, paid time off, health insurance, dental insurance, vision insurance, life and disability insurance, tuition reimbursement, as well as 401K with company match. This job will be posted until filled or withdrawn.
• Design, administer, and optimize Windows Server environments, virtualization platforms, storage systems, and core network components.
• Manage on-premises and cloud infrastructure-including virtual machines, identity services, backups, security configurations, and enterprise applications throughout their full lifecycle.
• Oversee firewalls, switches, wireless networks, and VPN systems to ensure secure and reliable connectivity across all Cape Fox locations.
• Lead patching, updates, monitoring, and performance tuning while providing Tier 3 escalation support for complex incidents and outages.
• Troubleshoot advanced system, network, and integration issues across both on-premises and cloud environments to minimize operational impact.
• Implement and enforce security best practices, including access controls, encryption, logging, monitoring, vulnerability remediation, and system hardening aligned with CMMC/NIST requirements.
• Conduct regular system health checks, security audits, and risk assessments, documenting findings and remediating gaps proactively.
• Develop scripts, automation tools, and streamlined workflows to improve operational efficiency and reduce manual effort.
• Create and maintain comprehensive documentation, including configurations, procedures, diagrams, policies, and system change records.
• Collaborate with IT leadership and external partners (vendors, MSPs, MSSPs) on strategic planning, solution evaluations, infrastructure modernization, and technical project implementations.
• Provide advanced technical support for escalated issues, offering guidance and expertise to resolve complex problems and support the broader team.
Travel Requirements
0 - 10%
Job Requirements
  • Strong problem-solving abilities with the capability to resolve complex or conflicting technical situations.
  • Familiarity with current CMMC requirements and general cybersecurity best practices.
  • Familiarity with enterprise network management platforms such as Palo Alto Strata Cloud Manager and Aruba Central is highly desirable.
  • Excellent written and verbal communication skills, with the ability to collaborate effectively across teams.
  • Self-motivated and able to work independently with minimal supervision.
  • Strong proficiency with Windows Server administration and core infrastructure services.
  • Hands-on experience with virtualization platforms such as VMware or Hyper-V.
  • Solid understanding of networking concepts including TCP/IP, DNS, DHCP, VLANs, routing, and firewalls.
  • Experience managing cloud environments (Azure), including identity, compute, and security configurations.
  • Proficiency with scripting or automation tools (PowerShell, Bash, Python, etc.).
  • Advanced troubleshooting and analytical skills across systems, networks, and cloud services.
  • Must have authorization to work in the United States as defined by the Immigration Reform Act of 1986.
  • Bachelor's degree in Computer Science, Information Technology, or a related field preferred; equivalent experience will be considered.
  • 5-7+ years of hands-on experience in systems administration or a related infrastructure-focused role.
  • Microsoft Certified: Azure Administrator Associate (AZ-104)
  • CompTIA Security+ (or higher-level security certification)
  • Cisco CCNA or CCNP

Category
Information Technology
Location
Chantilly Office - CapeFoxFCG - Chantilly, VA 20151 US (Primary)
Education
Bachelor's Degree