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Information Security System Administrator Jobs (NOW HIRING)

Kratos Defense

Security System Administrator

Boulder, CO

$85K - $105K/yr

Kratos Space is seeking an experienced Security System Administrator I to join our Boulder, CO team with the following primary responsibilities: * Understanding of core networking concepts, including ...

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How much do information security system administrator jobs pay per hour?

As of Jun 22, 2026, the average hourly pay for information security system administrator in the United States is $46.69, according to ZipRecruiter salary data. Most workers in this role earn between $38.46 and $52.88 per hour, depending on experience, location, and employer.

What are some common challenges faced by Information Security System Administrators, and how can they be addressed?

Information Security System Administrators often encounter challenges such as managing rapidly evolving cybersecurity threats, ensuring compliance with industry regulations, and balancing security with user accessibility. Staying up-to-date with the latest security patches and monitoring for vulnerabilities can be demanding, especially in large or complex environments. Building strong collaboration with IT teams and end users, prioritizing ongoing training, and implementing automated monitoring tools can help address these challenges effectively and maintain a secure infrastructure.

What is an Information Security System Administrator?

An Information Security System Administrator is a professional responsible for managing and protecting an organization's computer systems and networks against security threats. They install, configure, and maintain security tools such as firewalls, intrusion detection systems, and antivirus software. Additionally, they monitor system activity for suspicious behavior, respond to security breaches, and enforce security policies to ensure data integrity and confidentiality. Their role is crucial in safeguarding sensitive information and maintaining compliance with industry regulations.

What is the difference between Information Security System Administrator vs Network Security Specialist?

AspectInformation Security System AdministratorNetwork Security Specialist
CertificationsCompTIA Security+, CISSP, CISACompTIA Security+, CISSP, CEH
Work EnvironmentIT departments, data centers, corporate networksNetwork infrastructure, security operations centers, enterprise networks
Employer & Industry UsageBusinesses, government agencies, tech companiesTelecommunications, cybersecurity firms, large enterprises

The main difference is that the Information Security System Administrator manages overall security systems and policies, while the Network Security Specialist focuses specifically on securing network infrastructure. Both roles require similar certifications and often work in overlapping environments, but their primary responsibilities differ in scope and focus.

What are the key skills and qualifications needed to thrive as an Information Security System Administrator, and why are they important?

To thrive as an Information Security System Administrator, you need a solid understanding of network security principles, systems administration, and risk assessment, often backed by a degree in IT or cybersecurity and relevant certifications like CompTIA Security+, CISSP, or CISM. Experience with security tools such as firewalls, intrusion detection systems (IDS), SIEM platforms, and endpoint protection software is essential. Attention to detail, analytical thinking, and effective communication help you respond to threats, explain risks, and collaborate with colleagues. These skills are vital for maintaining an organization’s security posture and protecting sensitive data from evolving cyber threats.
What cities are hiring for Information Security System Administrator jobs? Cities with the most Information Security System Administrator job openings:
What states have the most Information Security System Administrator jobs? States with the most job openings for Information Security System Administrator jobs include:
Security System Administrator

Security System Administrator

Kratos Defense

Boulder, CO

$85K - $105K/yr

Full-time

Posted 26 days ago

Kratos Defense & Security Solutions rating

7.4

Company rating: 7.4 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

Job description

Readiness Delivered. Kratos is a company that strives to innovate and collaborate to make the world a better place. From ground control to space domain, you can contribute to work that matters with a company where diversity, integrity and inclusion are shared values. We're committed to fostering an environment for every teammate that's welcoming with great opportunity for professional growth. Find your future together with us. Kratos Space is seeking an experienced Security System Administrator I to join our Boulder, CO team with the following primary responsibilities: 


  • Understanding of core networking concepts, including subnets, routing, DNS, and VLANs.
  • Installation, configuration, and support of servers and workstations.
  • Administration of Red Hat Enterprise Linux systems.
  • Red Hat Identity Management, LDAP, MFA, and related authentication services.
  • Familiar with scripting with Bash, Python, or Perl.
  • Development, maintenance, and improvement of technical processes, procedures, system configuration documentation, and troubleshooting guides.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Active, current Secret security clearance
  • Security+ certification or equivalent

Preferred Skills and Experience

  • VMware virtualization technologies, including vSphere, vCenter, ESXi, compute, storage, and networking.
  • Dell infrastructure, including servers, switches, SAN, and NAS solutions such as Dell PowerStore.
  • Infrastructure as Code concepts and related tooling.
  • DISA STIG implementation and DISA SCAP Compliance Checker.
  • Container technologies and orchestration platforms, including Docker and Kubernetes.
  • PKI and certificate lifecycle management.

#LI-Onsite 

The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education, experience, knowledge, and skills.

Competitive salary based on experience and education
Salary Range: $85,000-$105,000

Kratos is valued for our ability to design and deliver leading edge, resilient solutions for aerospace communication, control, awareness and mission success across a continuum of offerings—from commercial to tailored custom solutions and integrated programs. Customers trust us to stay relevant and know we are in it for the long-haul. We bring both the capability and confidence that our customers value and depend on. And we always deliver.

This posting will close within 90 days from the Posting Date.   


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