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Systems Administrator 3 Jobs (NOW HIRING)

EMCO Technologies

Systems Administrator 3

Hampton, VA · On-site

EMCO is seeking Systems Administrator to support the Engineering Directorate at the NASA Langley Research Center in Hampton, Virginia. The role is responsible for performing IT systems support in ...

Atria Group LLC

Systems Administrator 3

Idaho City, ID · On-site

The list of skills that a Middleware Engineer or specific System Administrator may be required to utilize over the course of this role in implementing and supporting enterprise middleware solutions ...

JT4 LLC

Systems Administrator III

Edwards, CA · On-site

In addition, a Systems Administrator III must possess the following qualifications: Must have specific experience in the use of MS window server environments and various computer-aided design ...

NAES Corporation

Systems Administrator III

Houston, TX · On-site

$110K - $127K/yr

Summary The Systems Administrator is responsible for ensuring the smooth and secure operation of ... Three years of experience with VMware vCenter in a clustered environment. Required Qualifications

NAES Corporation

Systems Administrator III

Houston, TX · On-site

$110K - $127K/yr

Summary The Systems Administrator is responsible for ensuring the smooth and secure operation of ... Three years of experience with VMware vCenter in a clustered environment. Required Qualifications

NAES

Systems Administrator III

Houston, TX · On-site

$110K - $127K/yr

Summary The Systems Administrator is responsible for ensuring the smooth and secure operation of ... Three years of experience with VMware vCenter in a clustered environment. Required Qualifications

ORBIS, Inc.

Systems Administrator III

Philadelphia, PA · On-site

Position is for a Systems Administrator to support NSWC Philadelphia and Surface Ship modernization programs. The candidate shall support daily operational requirements of computer network systems ...

JT4, LLC

Systems Administrator III

Edwards, CA · On-site

$85K - $108K/yr

In addition, a Systems Administrator III must possess the following qualifications: * Must have specific experience in the use of MS window server environments and various computer-aided design ...

Pae

Systems Administrator III/IV

Houston, TX

The Systems Administrator III/IV will: * Perform daily maintenance and operations tasks related to system administration in a multi-server environment. * Provide maintenance and performance tuning of ...

Saxon Global

Systems Administrator III

Frisco, TX · On-site

Systems Administrator III Job Duration: 3+ Months Contract to Hire Interview Method: Phone then In Person Address: Frisco, TX /Charlotte, NC USA 28208 Position Summary: Individuals in the vBlock ...

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Systems Administrator 3 information

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$41K

$88.9K

$137.5K

How much do systems administrator 3 jobs pay per year?

As of Jul 14, 2026, the average yearly pay for systems administrator 3 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 the difference between Systems Administrator 3 vs Systems Administrator 2?

AspectSystems Administrator 3Systems Administrator 2
CertificationsCompTIA Network+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Microsoft Certified: Windows Server Fundamentals
Work EnvironmentMid-level IT support, server management, network troubleshootingEntry to mid-level IT support, basic network and server tasks
ResponsibilitiesAdvanced server configuration, network security, scriptingBasic server maintenance, user support, hardware troubleshooting

Systems Administrator 3 typically handles more complex server and network tasks compared to Systems Administrator 2, requiring similar certifications but with increased responsibilities and technical expertise. They often work in environments demanding advanced troubleshooting and configuration, whereas Systems Administrator 2 roles focus on foundational support and maintenance.

What are some common challenges a Systems Administrator 3 might face when managing complex IT infrastructures?

As a Systems Administrator 3, you’ll often be responsible for overseeing a diverse environment with multiple servers, platforms, and cloud integrations. Common challenges include troubleshooting advanced system issues, balancing routine maintenance with urgent escalations, and ensuring high system availability while implementing security best practices. Collaboration with network engineers, security teams, and end-users is frequent, requiring strong communication and problem-solving skills. Staying current with emerging technologies and adapting to evolving organizational needs is also crucial for success in this senior-level role.

What are Systems Administrator 3 roles and responsibilities?

A Systems Administrator 3 is a senior-level IT professional responsible for managing and maintaining an organization's computer systems, servers, and networks. They handle advanced troubleshooting, system upgrades, security configurations, and performance tuning. Additionally, they often lead projects, mentor junior administrators, and ensure systems are reliable, secure, and compliant with organizational policies. Their expertise typically covers complex environments, virtualization, cloud integration, and disaster recovery planning.

What are system administrator jobs?

System administrator jobs involve managing and maintaining an organization’s computer systems, networks, and servers to ensure they run efficiently and securely. These roles typically require skills in troubleshooting, configuring hardware and software, and often involve working with tools like operating systems, network protocols, and security measures. Certifications such as CompTIA Server+ or Microsoft Certified: Windows Server are often beneficial for these positions.

What are the key skills and qualifications needed to thrive as a Systems Administrator 3, and why are they important?

To thrive as a Systems Administrator 3, you need advanced knowledge of system architecture, network administration, security protocols, and relevant IT certifications such as CompTIA, Microsoft, or Cisco. Expertise in operating systems (Windows, Linux), virtualization platforms, scripting languages, and monitoring tools is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in troubleshooting and collaborating across teams. These skills ensure system reliability, security, and optimal performance in complex IT environments.

How much does a Tier 3 system administrator make?

A Tier 3 system administrator typically earns between $70,000 and $100,000 annually, depending on experience, certifications, and location. They are responsible for advanced troubleshooting, system upgrades, and supporting complex IT environments, often requiring skills in scripting and familiarity with enterprise tools.

What is a system administrator III?

A Systems Administrator III is a senior-level IT professional responsible for managing and maintaining complex computer systems, networks, and servers. They often have advanced skills in scripting, troubleshooting, and may hold certifications like CompTIA Server+ or Cisco CCNA. This role typically involves overseeing system security, performance optimization, and supporting technical staff.

Will AI replace sysadmin jobs?

AI can automate certain tasks performed by systems administrators, such as monitoring, troubleshooting, and routine maintenance, but it is unlikely to fully replace the role. Systems administrators will continue to be essential for managing complex systems, implementing security, and making strategic decisions that require human judgment and expertise. Skills in scripting, automation tools, and cybersecurity remain valuable in this evolving environment.
More about Systems Administrator 3 jobs
What cities are hiring for Systems Administrator 3 jobs? Cities with the most Systems Administrator 3 job openings:
What states have the most Systems Administrator 3 jobs? States with the most job openings for Systems Administrator 3 jobs include:
What job categories do people searching Systems Administrator 3 jobs look for? The top searched job categories for Systems Administrator 3 jobs are:
Systems Administrator 3 jobs near you
Infographic showing various Systems Administrator 3 job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 70% Full Time, 25% Part Time, 1% Temporary, and 3% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.
Systems Administrator III

Systems Administrator III

Alpha Omega Integration

San Antonio, TX • On-site

Full-time

Medical, Dental, Life, Retirement, PTO

Re-posted 7 days ago

Job description

Job Title:Systems Administrator III
Clearance Required:Secret
Work Location:Onsite, San Antonio, TX
Key Responsibilities:
  • Analyze, validate, implement, maintain, and configure current services and tools (examples include Active Directory (AD), System Center Operations Manager, Quest, Dell Quest maintenance tools) to minimize negative impacts to performance and scalability; work with other organizations and MTFs to coordinate operations and support of directory services across the enterprise; sustain and provide advanced enterprise-level support for AD services and functions; document technical solutions as required. Utilize available tools, such as Quest Suite of Tools, to manage schema extensions, sites and services, domains and trusts, Group Policy Objects (GPO) administration and Organizational Unit (OU) administration. In addition, will be responsible for advanced management, support, and optimization of the DHA's MED365 Azure cloud environment.
  • Support and maintain Active Directory and Entra ID architecture to provide authentication, synchronization, user provisioning, and authorization services for AD and cloud user accounts. Validate data encryption services on desktops and laptops for adherence with DHA and DoD regulations and policies; support deployment and maintenance of new government approved data encryption solutions as they become available.
  • Manage and monitor Data Encryption services to ensure systems and all supported devices are updated; create, deploy, upgrade, and install data encryption client packages, files, and policies in accordance with maintenance window policies; and provide data encryption services status reports.
  • Collaborate and support future data encryption projects initiated by DHA and DoD
  • Using MS SCOM, monitor system uptime availability and maintain the framework for new and existing applications, servers, and services that require monitoring at the enterprise level.
  • Analyze DHA current enterprise system monitoring implementation and provide a status report before and after remediation actions engineered and executed.
  • Customize enterprise monitoring rules, alerting, and reporting functions for applicable DHA applications and servers, and produce reports depicting the performance indicators for these applications and servers, such as "uptime" and "downtime."
  • Maintain disaster recovery capability and procedures and ensure all enterprise monitoring servers are compliant to the latest appropriate DISA STIGs.
  • Implement digital signature and encryption requirements specified in DoDI 8520.02, "Public Key Infrastructure (PKI) and Public Key (PK) Enabling." Manage, and maintain Public Key Encryption (PKE) and Public Key Infrastructure (PKI) in a Windows environment for compliance.
  • Support installation and maintenance of physical and virtual servers, enhance efficiency of critical systems, and ensure compliancy with applicable Army, DoD, and industry guidelines and policies (see paragraph 6).
  • Develop, validate, and document Disaster Recovery (DR) procedures for all supported device types within the on-premise enterprise.
  • Produce/update checklists, guides and/or standard operating procedures for enterprise monitoring and preventative maintenance.
  • Prepare After Action Reports for submitted SITREPs, EXSUMs and UDRs.
  • Manage, maintain, and support the DHA's MED365 Exchange Online environment. This includes tasks such as administering and configuring mailboxes, distribution lists, mail flow, and shared mailboxes. Monitor and troubleshoot email service performance and availability to ensure high reliability and uptime. Support and troubleshoot by providing Tier 3 support for Exchange Online-related issues and coordinating with DHA Engineers and Microsoft support for unresolved problems. They will also collaborate with other IT teams to integrate Exchange Online with other enterprise systems and services and support migration projects. The administrator will generate regular reports on email service performance and maintain detailed documentation of all configurations, changes, and troubleshooting activities.
  • Manage the eDiscovery processes within the DHA's MED365 Tenant to ensure compliance with legal and regulatory requirements. This involves handling data collection, preservation, processing, review, and production for litigation, investigations, and audits. Coordinates the eDiscovery process, develops and implements policies and procedures, and ensures data integrity and security throughout the lifecycle of electronically stored information (ESI). Reviews, manages review platforms, and tools, assists legal teams with data analysis, and produces ESI in response to legal requests. Ensures that eDiscovery practices adhere to legal and regulatory standards, provide training, and support to internal teams, and continuously seek to improve the efficiency and effectiveness of the eDiscovery program. Responsible for managing and mitigating risks associated with data spillage and leakage, the eDiscovery Administrator will monitor, identify, and respond to incidents involving unauthorized data exposure, ensuring containment and remediation measures are implemented. The administrator will also address phishing attacks and other cybersecurity threats by coordinating with the security team to investigate, resolve, and prevent such incidents.
  • All other duties as assigned.

RequiredQualifications:
Education:
  • BS degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution

Experience/Skills:
  • 3+ years of relevant experience
  • Active Secret (or above) Clearance

Certification(s):
  • CompTIA Security+ or similar (Cloud+ or GICSP or SSCP or GSEC)
  • Microsoft Certified: Azure Administrator Associate or Microsoft Certified: Windows Server Hybrid Administrator Associate

Salary andBenefit Information:
The likely salary range for this position is $75,000 - $113,785 This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.
Application Deadline: August 3, 2026
Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth inthe company's policy and benefits manuals. See below, to name a few:
  • PTO including paid parental, military, and bereavement leave
  • Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company's holiday schedule each year)
  • Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
  • Life Insurance, STD/LTD term disability coverage, with employer paid premiums
  • 401 (k) plan with a match that is 100% vested after you complete two years of service
  • FSA/DFSA/HSA flexible benefit plans
  • Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
Our Company:
Alpha Omega is an award-winning solutions provider dedicated to delivering mission-enabling technology and strategic solutions for our customers. Since our founding in 2016, we have grown to over 700 employees nationwide consisting of former operators, technologists, and strategists who bring decades of government and industry experience. They are united by one purpose: ensuring our nation's continued global leadership.
We have a unified operating model providing technical capabilities and solutions for customers across two main business units:
  • National Security - supporting agencies such as the Department of Homeland Security (DHS), Navy, Air Force, Army, and the Department of State (DOS).

  • National Resilience - supporting agencies such as Federal Deposit Insurance Corporation (FDIC), Treasury, Health & Human Services (HHS), National Institutes of Health (NIH), National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA)

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future.
Culture and Values:
Guided by our core values-Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)- we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.
Alpha Omega's culture is driven by our values and mission. We invest in top talent through mentorship, growth, and meaningful work. We value individuality, reward integrity, and foster a diverse, high-performing team united by purpose-at work, in service, and in the community.
Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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