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Senior Systems Administrator Jobs in Decatur, GA

Brooksource

Systems Administrator

Dunwoody, GA · On-site

Systems Administrator Location: Dunwoody, GA Experience: 3+ years Position Overview Brooksource is seeking a Systems Administrator to join our client's Infrastructure Security team. This team ...

FLEXTECS LLC

Systems Administrator

Atlanta, GA · On-site

The Systems Administrator will work closely with Infrastructure, Security, Development, and Business teams to ensure systems remain available, scalable, secure, and audit-ready while supporting day ...

STR

Classified Systems Administrator

Atlanta, GA · On-site

$85K - $120K/yr

Supporting senior administrators in implementing, deploying, and maintaining Linux (Red Hat, CentOS, Ubuntu) and Windows operating systems in traditional and virtualized environments across a variety ...

Conflux Systems

Senior System Analyst

Atlanta, GA · On-site

$32/hr

Senior System Analyst Location: Atlanta, GA 30334 Duration: 12 Months Interview: Either Web Cam or ... systems administrators. This role is pivotal in supporting end-users with their IT needs and ...

4pconsultinginc

Systems Administrator II

Atlanta, GA · On-site

Systems Administrator II Location: Atlanta, GA 30308 Duration: 5 Months Client: Georgia Power Position Overview The Systems Administrator II is responsible for administering, supporting, and ...

STR

Classified Systems Administrator

Atlanta, GA · On-site

$85K - $120K/yr

Supporting senior administrators in implementing, deploying, and maintaining Linux (Red Hat, CentOS, Ubuntu) and Windows operating systems in traditional and virtualized environments across a variety ...

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Showing results 21-40

All JobsSystems Administrator JobsSenior Systems Administrator JobsSenior Systems Administrator Jobs in Decatur, GA

Senior Systems Administrator information

See Decatur, GA salary details

$47.8K

$99.8K

$140.1K

How much do senior systems administrator jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior systems administrator in Decatur, GA is $99,810.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $113,700.00 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 responsible for managing complex IT infrastructure, which justifies higher pay compared to entry-level roles.

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

A senior systems administrator in the US typically earns between $80,000 and $130,000 annually, depending on experience, location, and industry. They often require strong skills in network management, server administration, and certifications such as CompTIA or Cisco. Salaries can vary based on the complexity of the environment and the size of the organization.

Is a senior systems administrator a high paying job?

A senior systems administrator typically earns a higher salary compared to entry-level roles due to their experience and technical skills in managing complex IT infrastructure. Salaries vary by industry, location, and certifications such as CompTIA or Cisco, but they are generally considered well-compensated within the IT field.
More about Senior Systems Administrator jobs

What are the most commonly searched types of Systems Administrator jobs in Decatur, GA?

The most popular types of Systems Administrator jobs in Decatur, GA are:

What job categories do people searching Senior Systems Administrator jobs in Decatur, GA look for?

The top searched job categories for Senior Systems Administrator jobs in Decatur, GA are:

What cities near Decatur, GA are hiring for Senior Systems Administrator jobs?

Cities near Decatur, GA with the most Senior Systems Administrator job openings:

Senior Systems Administrator jobs near you
Infographic showing various Senior Systems Administrator job openings in Decatur, GA as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $99,810 per year, or $48 per hour.

Senior Network Systems Administrator

Next Step Systems

Marietta, GA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 27 days ago

Job description

Senior Network Systems Administrator, Marietta, GA
The Senior Network Systems Administrator is responsible for providing a wide range of support needs for the company. This relates to all technologies such as servers, networks, and vendor specific hardware and software. As a Senior Network Systems Administrator, you will be responsible of troubleshooting problems with existing infrastructure and with deploying new elements of network infrastructure. You will be responsible for providing technical expertise as needed, and must have experience with LAN/WAN maintenance, management, troubleshooting, and design. We work in a fast-paced environment demanding many technical proficiencies and continuous development and training. This position may require occasional travel.
Responsibilities:
- Support LANs, WANs, MPLS, network segments, Internet, and intranet systems, maintain system efficiency.
- Perform network address assignment and assign routing protocols and routing table configuration.
- Configure and provide (L1, L2, L3) support for all network switches, routers, and firewalls.
- Manage and maintain the virtualization environment.
- Provide the highest level of onsite and remote IT support for all users.
- Support a wide range of computing environments including Windows, Macs, and Linux operating systems.
- Ability to troubleshoot and diagnose highly complex Windows, Active Directory, and Office 365 problems in the end-user environment.
- Maintain proper operation of data center hardware including networking devices, physical servers, virtual machine hardware and storage devices.
- Support deployment of software packages, drivers and operating system updates.
- Maintain a complete inventory of all computers.
- Work with Dell, Apple, HP, and outside vendors when appropriate to resolve hardware, software and network issues.
- Make recommendations for software & firewall upgrades, responsible for supervision of backup and disaster recovery operations.
- Monitor networks to ensure security and availability to specific users.
- Monitor server health and performance.
- Maintain integrity of the network, server deployment, and security.
- Maintain EDR and MDR software, hardware assets.
Qualifications:
- Bachelor degree in Management Information Systems or similar discipline.
- 5-8 years minimum experience in an IT administrative role.
- Excellent written and verbal communication in both French and English.
- Strong Fortinet Fortigate firewall experience.
- Multiple Professional IT Certifications desirable such as: Microsoft MCP, MCSA or MCSE, SonicWALL CSSA, Cisco CCNA or VMware VCP.
- Knowledge of MPE, HPUX, Windows, Linux, IBMi, Solaris, AIX, MacOS.
- Hardware knowledge in desktops, laptops, servers, Mac.
- Broad knowledge of Microsoft Windows 7/8/10, etc.
- Strong knowledge of Windows 2016, 2019 roles and Services; IIS, DNS, DHCP, AD, Group Policy configuration, File Server management.
- VMWare/vSphere/vCenter/Workstation, Hyper-V, PowerVM, Virtualbox.
- Strong Cisco Switch and ASA experience.
- Knowledge of Brocade switches.
- Knowledge of Equalogic and Storwize SAN.
- Knowledge in Cloud, Azure, AWS, Google.
- Asterisk knowledge.
- MS-SQL, MySQL knowledge.
- Dataprotector knowledge.
Benefits include medical insurance, retirement plan, PTO, etc. Salary: 80K+ DOE. Keywords: Marietta GA Jobs, Senior Network Systems Administrator, LAN, WAN, Firewall, Windows, Linux, IBM, Solaris, AIX, MacOS, Cisco, Active Directory, Office 365, Dell, HP, Laptop, Desktop, Servers, Networking, Georgia Recruiters, IT Jobs, Georgia Recruiting
Looking to hire for similar positions in Marietta, GA or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire Senior Network Systems Administrators for jobs Marietta, Georgia and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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