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Senior Systems Administrator Jobs in Delaware (NOW HIRING)

cookboardman

Senior Systems Engineer

Wilmington, DE · Remote

$101K - $138K/yr

The Senior Systems Engineer is responsible for the execution of the strategic vision for our MS area. You will help to identify new opportunities that create value for the company and are aligned ...

cookboardman

Senior Systems Engineer

Wilmington, DE · Remote

$101K - $138K/yr

The Senior Systems Engineer is responsible for the execution of the strategic vision for our MS area. You will help to identify new opportunities that create value for the company and are aligned ...

FHR

M58-System Administrator 5255

Dover, DE · On-site

$40 - $45/hr

Our direct client has an opening for a System Administrator 5255 This position is up to 12 months ... This is accomplished by working with the Systems Management Team Lead to understand the scope of ...

Corporation Service Company

Senior Systems Engineer

Dover, DE · On-site

$83K - $113K/yr

Senior Systems Engineer - Network Engineering Wilmington, DE Monday - Friday 8:00 AM - 5:00 PM Remote If you like finding and implementing innovative solutions, you'll fit in perfectly at CSC. The ...

Corporation Service Company

Senior Systems Engineer

Dover, DE · On-site +1

$104K - $142K/yr

Senior Systems Engineer - Network Engineering Wilmington, DE Monday - Friday 8:00 AM - 5:00 PM Remote If you like finding and implementing innovative solutions, you'll fit in perfectly at CSC. The ...

Berkley

Senior Systems Engineer - IAM

Wilmington, DE · On-site

$101K - $138K/yr

Responsibilities We are seeking a dynamic Sr Systems Engineer with a strong background in Identity ... Identity and Access Administrator Associate (SC-300) highly preferred Additional Company Details ...

Berkley

Senior Systems Engineer - IAM

Wilmington, DE · On-site

$101K - $138K/yr

We are seeking a dynamic Sr Systems Engineer with a strong background in Identity and Access ... Identity and Access Administrator Associate (SC-300) highly preferred The company offers a ...

Berkley

Senior Systems Engineer - IAM

Wilmington, DE · On-site

$101K - $138K/yr

Responsibilities We are seeking a dynamic Sr Systems Engineer with a strong background in Identity ... Identity and Access Administrator Associate (SC-300) highly preferred Additional Company Details ...

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All JobsSystems Administrator JobsSenior Systems Administrator JobsSenior Systems Administrator Jobs in Delaware

Senior Systems Administrator information

See Delaware salary details

$49K

$102.3K

$143.6K

How much do senior systems administrator jobs pay per year?

As of Aug 17, 2026, the average yearly pay for senior systems administrator in Delaware is $102,318.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,100.00 and $116,600.00 per year, depending on experience, location, and employer.

What is a senior systems administrator?

Senior Systems Administrators are IT professionals responsible for managing and maintaining an organization's computer systems, servers, and networks. They oversee system performance, ensure security, troubleshoot complex issues, and often mentor junior administrators. Their work is critical for minimizing downtime, implementing upgrades, and ensuring the reliability and security of IT infrastructure. Senior Systems Administrators typically have years of experience and deep technical knowledge in areas like operating systems, networking, and cloud platforms.

What does a senior systems administrator do?

A senior systems administrator is an IT professional who manages the network and computer system infrastructure for a company or organization. Your responsibilities may vary depending on your employer; at a large company, you may be in a management position in which you oversee a team or department to design and implement network and database solutions for an organization, perform software programming to expand technological capabilities, or troubleshoot network issues and devise solutions. In a smaller company, you may more directly engage with these duties, supported by a small technical staff.

What are the key skills and qualifications needed to thrive as a senior systems administrator, and why are they important?

To thrive as a Senior Systems Administrator, you need deep expertise in server management, network administration, and operating systems, typically backed by a bachelor’s degree in IT or a related field. Familiarity with tools like VMware, Active Directory, Linux/Windows Server, and certifications such as CompTIA Server+, Microsoft Certified Solutions Expert (MCSE), or Red Hat Certified Engineer (RHCE) are often required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in troubleshooting and collaborating with IT teams. These competencies are crucial for maintaining system reliability, minimizing downtime, and supporting organizational technology needs.

What are some common challenges faced by senior systems administrators, and how can they be addressed?

Senior Systems Administrators often encounter challenges such as managing complex, multi-platform environments, ensuring uptime during upgrades or maintenance, and responding to unexpected technical incidents. Balancing proactive system improvements with urgent troubleshooting is a frequent demand. To address these challenges, it's important to prioritize clear documentation, automate routine tasks where possible, and foster strong communication with IT and non-IT teams. Staying current with industry best practices and security protocols also helps prevent many common issues before they arise.

What is the difference between Senior Systems Administrator vs Systems Engineer?

AspectSenior Systems AdministratorSystems Engineer
CredentialsTypically requires certifications like CompTIA Server+, Microsoft Certified: Windows Server, or Cisco CCNAOften requires similar certifications, with additional focus on network design and engineering
Work EnvironmentPrimarily manages and maintains existing IT infrastructure within organizationsDesigns, develops, and implements new systems and network solutions
Employer & Industry UsageCommon in IT departments across various industries, focusing on operational stabilityFound in organizations needing system design and integration, often in tech and engineering sectors

While both roles require strong technical skills and certifications, Senior Systems Administrators focus on maintaining and supporting existing systems, whereas Systems Engineers are more involved in designing and implementing new systems and solutions.

Do senior systems administrators make good money?

Senior systems administrators typically earn a competitive salary that reflects their experience, technical skills, and certifications such as CompTIA or Cisco. Their compensation often includes benefits and opportunities for advancement, with salaries varying by industry and location. They are also responsible for managing complex IT infrastructure and ensuring system security and reliability.

How much does a senior systems administrator make in the US?

A senior systems administrator in the US typically earns between $80,000 and $120,000 annually, depending on experience, location, and industry. They often hold certifications like CompTIA Server+ or Microsoft Certified Solutions Expert (MCSE) and work with environments involving Windows, Linux, or cloud platforms.
More about Senior Systems Administrator jobs

What are the most commonly searched types of Systems Administrator jobs in Delaware?

The most popular types of Systems Administrator jobs in Delaware are:

What are popular job titles related to Senior Systems Administrator jobs in Delaware?

For Senior Systems Administrator jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Senior Systems Administrator jobs in Delaware look for?

The top searched job categories for Senior Systems Administrator jobs in Delaware are:

What are popular job titles related to Senior Systems Administrator jobs in DE?

For Senior Systems Administrator jobs in DE, the most frequently searched job titles are:

Senior Systems Administrator jobs near you
Infographic showing various Senior Systems Administrator job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 12% Part Time, 5% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $102,318 per year, or $49.2 per hour.

Sr. Systems Administrator

Integrity Staffing Solutions

Newark, DE • On-site

$84K - $113K/yr

Full-time

Posted 11 days ago

Job description

Senior IT Infrastructure Administrator
Our client is hiring a highly experienced IT Infrastructure professional to manage and support our Windows, Linux, Active Directory, virtualization, Microsoft 365, and cloud environments. This hands-on role will maintain secure, reliable systems while supporting infrastructure projects, lifecycle planning, compliance, disaster recovery, and continuous improvement.
This position is a direct placement with the client and must work on-site in Newark, DE.
Key Responsibilities
• Administer Windows and Linux servers, Active Directory, GPO, DNS, DHCP, identity management, and authentication services
• Manage physical, virtual, and cloud infrastructure, including VMware and Azure/AWS environments
• Support Microsoft 365, Exchange Online, SharePoint Online, Intune, and Autopilot
• Maintain backups, storage, monitoring tools, patching, vulnerability remediation, and disaster recovery capabilities
• Implement infrastructure upgrades, automation, new technologies, and performance improvements
• Support infrastructure planning, budgeting, vendor management, licensing, audits, and regulatory compliance
• Participate in rotating 24/7 on-call production support
Qualifications
• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience
• Five or more years of systems administration experience
• At least three years of experience with virtualization platforms such as VMware, Hyper-V, Citrix Hypervisor, Nutanix AHV, or Linux KVM
• Strong experience with Active Directory, Windows Server, DNS, DHCP, Group Policy, and email administration
• Hands-on Microsoft 365 administration experience
• Familiarity with Azure or AWS
• Strong troubleshooting, project management, communication, and organizational skills
• Ability to work independently and manage multiple priorities
Active Directory | Windows Server | Oracle Linux | VMware | Shared Storage | Microsoft 365 | Exchange | SharePoint | Intune | Autopilot | Backup and Recovery

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