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Cyber Security System Administrator Jobs (NOW HIRING)

TIER4 GROUP

System Administrator

Atlanta, GA

The System Administrator is responsible for managing, configuring, and implementing systems while ... Implement and adhere to cybersecurity principles for enterprise applications. * Follow ...

Kros-Wise

System Administrator

San Diego, CA · On-site

$100K - $135K/yr

This role is responsible for maintaining servers, networks, and cybersecurity compliance across classified and unclassified systems. You'll work closely with senior administrators and cybersecurity ...

Kros-Wise

System Administrator

San Diego, CA

This role is responsible for maintaining servers, networks, and cybersecurity compliance across classified and unclassified systems. You'll work closely with senior administrators and cybersecurity ...

Cymertek

Network System Administrator

Chantilly, VA · On-site

$72K - $97K/yr

Network System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

Cymertek

Network System Administrator

Honolulu, HI · On-site

$69K - $93K/yr

Network System Administrator LOCATION Honolulu, HI 96815 CLEARANCE TS/SCI Full Poly (Please note ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

Straffic

System Administrator

Vienna, VA · On-site

System Administrator Department:Management Reports To:Head of Corporate Services Location:Vienna ... Cybersecurity & Compliance * Monitor and respond to security incidents, alerts, and vulnerabilities.

Entarian

System Administrator

Honolulu, HI · On-site

$65K - $120K/yr

The C2 System Administrator will provide technical expertise, implementation, maintenance ... Enforce cybersecurity compliance by applying DoD STIGs and ensuring successful weekly vulnerability ...

INSPYR Solutions

System Administrator

Vienna, VA · On-site

$55 - $65/hr

System Administrator Location: Vienna, VA (REMOTE) Duration: Initial 6-month contract with possible ... Deploying and maintaining COTS Cybersecurity, On prem, SaaS, and IaaS related applications and ...

Entarian

$65K - $120K/yr

The C2 System Administrator will provide technical expertise, implementation, maintenance ... Enforce cybersecurity compliance by applying DoD STIGs and ensuring successful weekly vulnerability ...

Entarian

System Administrator

Honolulu, HI

$65K - $120K/yr

The C2 System Administrator will provide technical expertise, implementation, maintenance ... Enforce cybersecurity compliance by applying DoD STIGs and ensuring successful weekly vulnerability ...

Entarian

System Administrator

Honolulu, HI

$65K - $120K/yr

The C2 System Administrator will provide technical expertise, implementation, maintenance ... Enforce cybersecurity compliance by applying DoD STIGs and ensuring successful weekly vulnerability ...

Cymertek

Network System Administrator

Reston, VA · On-site

$73K - $98K/yr

Network System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

Cymertek

Network System Administrator

San Antonio, TX · On-site

$63K - $85K/yr

Network System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

Cymertek

Network System Administrator

Tysons, VA · On-site

$70K - $94K/yr

Network System Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

Cymertek

Network System Administrator

Aurora, CO · On-site

$71K - $96K/yr

Network System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this ... Cybersecurity, Systems Administration, Information Systems, Electrical Engineering ...

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All JobsCyber Security System Administrator Jobs

Cyber Security System Administrator information

See salary details

$65.5K

$90.9K

$116K

How much do cyber security system administrator jobs pay per year?

As of Jun 30, 2026, the average yearly pay for cyber security system administrator in the United States is $90,944.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,000.00 and $94,500.00 per year, depending on experience, location, and employer.

What does a Cyber Security System Administrator do?

A Cyber Security System Administrator is responsible for managing, maintaining, and protecting an organization's computer systems and networks. They ensure that security protocols are in place, monitor for threats, respond to security breaches, and regularly update software to safeguard sensitive information. Their role often includes configuring firewalls, managing user permissions, and conducting audits to identify potential vulnerabilities. By implementing best practices and staying updated on emerging threats, they help prevent unauthorized access and data loss.

What are some common challenges faced by Cyber Security System Administrators, and how can they prepare for them?

Cyber Security System Administrators often face challenges such as staying updated with rapidly evolving threats, managing complex security configurations, and responding to potential security incidents. They must balance maintaining robust security protocols while ensuring system usability and minimal downtime. To prepare, administrators should engage in continuous learning, leverage automation tools, and collaborate closely with IT and security teams to implement best practices and coordinate incident response effectively.

What is the difference between Cyber Security System Administrator vs Network Security Engineer?

AspectCyber Security System AdministratorNetwork Security Engineer
CertificationsCompTIA Security+, CISSP, CISACCNP Security, CISSP, CEH
Work EnvironmentIT departments, data centers, enterprise networksNetwork infrastructure, security operations centers, cloud environments
Employer & Industry UsageBusinesses, government agencies, healthcareTelecommunications, finance, tech firms
Primary FocusManaging security systems, access controls, and policiesDesigning and implementing secure network architectures

While both roles focus on cybersecurity, the Cyber Security System Administrator primarily manages security systems and policies within an organization, whereas the Network Security Engineer designs and implements secure network solutions. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ in scope and focus.

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

To thrive as a Cyber Security System Administrator, you need a strong understanding of network security, system administration, and risk management, typically supported by a degree in computer science or a related field. Familiarity with firewalls, intrusion detection systems, SIEM tools, and certifications like CompTIA Security+, CISSP, or CEH is highly valuable. Attention to detail, critical thinking, and strong problem-solving abilities are essential soft skills in this role. These skills ensure the integrity, confidentiality, and availability of organizational systems, protecting them from evolving cyber threats.
More about Cyber Security System Administrator jobs
What cities are hiring for Cyber Security System Administrator jobs? Cities with the most Cyber Security System Administrator job openings:
What states have the most Cyber Security System Administrator jobs? States with the most job openings for Cyber Security System Administrator jobs include:
What job categories do people searching Cyber Security System Administrator jobs look for? The top searched job categories for Cyber Security System Administrator jobs are:
Cyber Security System Administrator jobs near you
Infographic showing various Cyber Security System Administrator job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 26% Full Time, 70% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $90,944 per year, or $43.7 per hour.
System Administrator

System Administrator

TIER4 GROUP

Atlanta, GA

Full-time

Posted 29 days ago

Job description

Our client in a leading energy industry is searching for a long term System Administrator contractor.



The System Administrator is responsible for managing, configuring, and implementing systems while securing servers in highly available and protected environments. This role works closely with network and security administrators to ensure system compatibility, performance, and adherence to cybersecurity best practices. A strong understanding of security principles is essential. This position reports to the Director, IT Specialized Infrastructure and Support.


Your Role

  • Manage server hardware and operating systems, including installation, configuration, updates, and maintenance.
  • Develop and maintain technical documentation.
  • Monitor systems to detect and prevent unauthorized activity and access.
  • Implement and adhere to cybersecurity principles for enterprise applications.
  • Follow cybersecurity policies and frameworks, including NIST 800-171 and 800-172.
  • Configure and utilize security tools such as antivirus and anti-malware software.
  • Identify security threats and develop mitigation strategies.
  • Design and implement logical group policies for system security.
  • Respond to vulnerability scans and apply necessary remediation measures.
  • Collaborate with cybersecurity, network, and system administration teams to maintain a secure environment.
  • Manage and maintain VMware Virtualization Infrastructure for system availability and security.
  • Configure and maintain NSX Micro-Segmentation and Citrix VDI infrastructure.
  • Establish and manage DNS configurations.
  • Develop and deploy group policies.
  • Configure, update, and maintain log scripts.
  • Manage Apache Tomcat server and services.
  • Oversee IIS 7.0 - 8.5 server clusters and services across multiple sites and domains.
  • Install and manage application delivery controllers, web proxy servers, and related software.
  • Configure, provision, and install hardware and software solutions.
  • Create and manage data partitions based on system design specifications.
  • Monitor system usage and generate reports for management review.
  • Configure, update, and monitor antivirus/malware protection tools.
  • Deploy and maintain security controls to ensure compliance with established security requirements.
  • Participate in security risk assessments and assist in security audit preparations.
  • Work with third-party vendors to monitor and respond to security incidents.
  • Implement and manage controls for user access, system accounts, and usage policies.
  • Assist in developing and testing disaster recovery and business continuity plans.
  • Perform additional duties as assigned.

Qualifications

  • Bachelor’s degree in Computer Science or a related field from an accredited institution, or 6-8 years of systems administration experience in an enterprise environment.
  • Expertise in the following technologies:
  • Microsoft Active Directory 2019 and ADFS
  • Apache Tomcat, IIS 7.0 - 10.0, VMware, Cisco UCS systems
  • Citrix VDI technologies
  • System management tools (e.g., SCCM)
  • D2/Documentum Administrator
  • HSM Thales/Luna
  • Intermediate Linux administration skills (RedHat Enterprise)
  • Experience managing Internal and External DNS, Group Policy, and ADFS.
  • Proficiency in system backup solutions (CommVault).
  • Strong scripting skills using PowerShell and VBS.
  • Experience with Thales HSM, KeySecure, and Vormetric technologies.
  • Familiarity with Citrix ADC technologies.
  • Knowledge of HyTrust Virtual Machine Encryption technologies.
  • Understanding of disaster recovery strategies and best practices.
  • Dependable, energetic, and detail-oriented with excellent problem-solving skills.
  • Strong written and verbal communication skills.
  • Ability to multitask and adapt to shifting priorities as needed.