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System Administrator 3 Jobs (NOW HIRING)

M9 Solutions

System Administrator 3

Chantilly, VA · On-site

M9 Solutions is seeking a System Administrator 3 to work onsite in support of a government contract for a client located in Chantilly, VA . An active TS/SCI clearance is required. Responsibilities

Reflexive Concepts

System Administrator III

Aurora, CO · On-site

Reflexive Concepts is seeking a skilled System Administrator III to join our team! Responsibilities * Provide support for implementation, troubleshooting and maintenance of IT systems * Provide Tier ...

Eisenhower

System Administrator III

Rancho Mirage, CA · On-site

$45.20 - $68.65/hr

Epic Client System Administrator (ECSA) required if assigned to ECSA role Experience: Required ... EMC's goals. 3. Conducts independent research on new technologies in the field of systems ...

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How much do system administrator 3 jobs pay per year?

As of Aug 21, 2026, the average yearly pay for system 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 a system administrator 3?

A System Administrator 3 is a senior-level IT professional responsible for managing, maintaining, and troubleshooting complex computer systems and networks within an organization. They oversee server environments, ensure system security and reliability, and may lead junior administrators or IT teams. Their role often includes planning system upgrades, implementing best practices, and responding to advanced technical issues. Typically, a System Administrator 3 has several years of experience and deep technical expertise in areas such as Windows, Linux, virtualization, and cloud environments.

What are the key skills and qualifications needed to thrive as a system administrator 3?

To thrive as a System Administrator 3, you need advanced knowledge of system architecture, operating systems (such as Windows and Linux), networking, and a relevant degree or certifications like CompTIA Server+, Microsoft Certified: Windows Server, or Red Hat Certified System Administrator (RHCSA). Expertise in tools such as VMware, Active Directory, scripting languages (like PowerShell or Bash), and monitoring systems is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills make someone stand out in this role. These skills ensure the reliability, security, and efficiency of IT infrastructure, supporting critical business operations.

What are some common challenges faced by a system administrator 3, and how can they be effectively managed?

System Administrator 3 professionals often encounter challenges such as managing complex network infrastructures, ensuring system security, and minimizing downtime. They are typically responsible for advanced troubleshooting and must stay updated on the latest technologies and security threats. Effective management of these challenges involves proactive monitoring, implementing robust backup and disaster recovery plans, and maintaining clear documentation. Collaboration with IT teams and end-users is also key to quickly resolving issues and optimizing system performance.

What is the difference between System Administrator 3 vs Network Administrator?

AspectSystem Administrator 3Network Administrator
CertificationsCompTIA Server+, Cisco CCNA, Microsoft CertifiedCompTIA Network+, Cisco CCNA, Juniper JNCIA
Work EnvironmentData centers, server rooms, enterprise ITNetwork operations centers, office networks, infrastructure
Primary ResponsibilitiesServer management, system updates, troubleshootingNetwork setup, routing, switching, security
Industry UsageIT departments across various industriesTelecommunications, enterprise IT, service providers

The main difference between a System Administrator 3 and a Network Administrator lies in their focus areas. System Administrators primarily manage servers and enterprise systems, while Network Administrators focus on network infrastructure and connectivity. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ based on their specialization.

Is a system administrator 3 a high paying job?

A System Administrator 3 typically holds a senior-level position that offers higher salaries compared to entry-level roles, reflecting increased responsibilities and expertise. Compensation varies by industry, location, and organization size, but it generally falls within the higher range for IT support and infrastructure roles. Certifications like CompTIA Server+ or Cisco CCNA can enhance earning potential in this role.
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System Administrator 3 jobs near you
Infographic showing various System Administrator 3 job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.

System Administrator 3

Columbia Technology Partners

Annapolis Junction, MD

Full-time

Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago

Job description

Description:

Columbia Technology Partners is seeking a System Administrator 3 to support mission-critical systems in a dynamic and highly technical environment. The selected candidate will be responsible for administering, maintaining, and optimizing enterprise Linux-based infrastructure, implementing automation solutions, supporting cloud and security initiatives, and troubleshooting complex system issues. This role requires deep expertise in Red Hat Linux, infrastructure automation, system integration, and security compliance while ensuring reliable and efficient system operations.

Key Responsibilities:

  • Administer, maintain, and optimize Linux-based server environments with a focus on Red Hat Enterprise Linux.
  • Develop, implement, and maintain infrastructure automation using Ansible.
  • Support AWS cloud environments and ensure system performance, availability, and security.
  • Perform vulnerability management activities utilizing Tenable (Nessus) and support remediation efforts.
  • Troubleshoot and resolve complex hardware, software, application, and integration issues.
  • Ensure systems meet required security standards, including compliance with DoD 8570 IAM Level II requirements.
  • Support Service-Oriented Architecture (SOA) environments and understand system interdependencies across integrated platforms.
  • Participate in operational support activities, including shift work and weekend coverage as required.

Qualifications:

  • Bachelor's degree in a technical discipline and 15+ years of System Administrator experience supporting programs of similar scope and complexity (or 20 years of SA experience in lieu of a degree).
  • Extensive experience administering and troubleshooting Linux environments, including Red Hat Enterprise Linux.
  • Hands-on experience with Ansible automation, AWS cloud environments, and Tenable (Nessus) vulnerability management.
  • Current DoD 8570 IAT Level II certification and the ability to resolve complex hardware, software, and systems integration issues.

Desired Skills:

  • Experience supporting mission-critical enterprise environments with high availability requirements.
  • Strong understanding of Service-Oriented Architecture (SOA) concepts and system interdependencies.
  • Proven analytical and troubleshooting skills with the ability to diagnose complex technical challenges.
  • Ability to work effectively in operational environments requiring shift work, weekend support, and collaboration across technical teams.

Requirements:

  • U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable employment laws and regulations. All applicants and employees are subject to random drug testing in accordance with Executive Order 12564. Employment is contingent upon successful completion of a security background investigation and polygraph.
  • Certification Requirements:
    • DOD 8570 Certification

This position requires an active Security Clearance with appropriate Polygraph.

About us:

Founded in 2007, Columbia Technology Partners is a Service-Disabled Veteran Owned Small Business with a specialization in technology and management consulting committed to solving intricate and sensitive technology issues facing corporations and federal agencies. Since its inception, CTP has been instrumental in the technical design, engineering development, operational deployment, and support of key systems. With a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation; our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations. CTP staff have worked closely with both government engineers and management to gather mission requirements, develop the architecture to deliver the needed functionality and assess tools available to meet or exceed the needs of the mission.

At Columbia Technology Partners (CTP), we are united in being the best that we can be as individuals, but our core belief is that we can be better together. Together we will take on each mission with an execution process that authentically represents who we are. Our success relies on our team values, the foundation we built around them, and the Partners we become along the way.

That's why our pay is competitive, our missions are critical, and our benefits
represent what matters most to CTP: Our People.

Salary Range Transparency

At Columbia Technology Partners we are committed to transparency and fairness in our compensation practices. We believe in creating a work environment where employees feel valued, empowered, and rewarded for their contributions.

How We Determine Salary Ranges

Our salary ranges are based on the following key factors:

  • Job Role and Responsibilities: The specific duties and responsibilities associated with each role form the foundation of our compensation structure.
  • Market Research and Industry Benchmarks: We conduct regular analysis of market trends and salaries across our industry, using reliable compensation data to ensure we stay competitive.
  • Experience and Qualifications: An individual's experience, education, certifications, and specialized skills all contribute to determining their position within a salary range.
  • Location: Salary ranges may be adjusted based on geographic cost of living, in accordance with local and national standards.
  • Company Performance: Our compensation practices also take into account overall company performance and financial health, ensuring that we maintain sustainability while rewarding our team.

Really good benefits, for really GREAT people:

From our CTP Family to yours, we know how important these decisions are. Your benefits are about you, not us. Tell us what you need in order to see a future at CTP; let's get where you're going, together.

Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options.

Vision + Dental: Both free to you + paid in full by CTP.

Retirement: 401k - 6% company contribution

PTO + Leave: A work life balance is extremely important to our team here at CTP, which is why our paid time off plans are so lucrative. Offering customizable leave plans to meet your needs is just one of our many perks! Jury Duty, Bereavement + Military Leave provided.

Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition.

Life and AD&D Insurance/Short-Term & Long-Term Disability: More peace of mind, at zero cost to you.

Profit Sharing Bonus: End of year cash gets added to your bottom-line.

Referral Bonus Program: Our tiered program provides an incentive with each stage of the hiring process your referral passes. Our bonuses range from $7,000-$20,000, if your referral joins the team.

Columbia Technology Partners is an Equal Opportunity Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. Our EEO policy reflects our commitment to ensure equality and promote diversity and inclusion in the workplace. Our policy applies to all employees, job candidates, contractors, stakeholders, partners, and visitors.

CTP was voted one of the top 25 best places to work in Baltimore by Baltimore Magazine!


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