Systems Administrator (Security Focus)

Sparus Holdings

$75K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • High school diploma or equivalent required; degree in IT, Computer Science, Cybersecurity, or related field is a plus.
  • 3-5 years of hands-on experience in systems administration, network administration, or infrastructure/security.
  • Proficient in managing firewalls, VPNs, and remote access infrastructure, along with server environments.
  • Practical experience in cybersecurity areas such as vulnerability management and incident response.
  • Experience in hybrid cloud/on-premises environments, with Azure experience preferred.
  • Ability to create and maintain technical documentation and standards.

Responsibilities

  • Support core infrastructure across network, server, and cybersecurity operations.
  • Administer and maintain LAN/WAN, firewalls, VPN/ZTNA, Wi-Fi, DNS, and related solutions.
  • Manage server environments both on-premises and in Azure, focusing on virtualization and disaster recovery.
  • Serve as internal security owner and cybersecurity operations point of contact.
  • Support vulnerability management, patching, and endpoint protection efforts.
  • Coordinate incident response and security awareness initiatives.
  • Collaborate with managed Security Operations Center for monitoring and remediating security events.

Benefits

  • Full-time hybrid work schedule with minimum on-site requirement of two days per week.
  • Engagement with cutting-edge cybersecurity practices.
  • Collaboration with a managed Security Operations Center to enhance skills and experience.
  • Opportunity to work in a dynamic environment focused on technology innovation.
Full Job Description
The Systems Administrator will be responsible for supporting core infrastructure across network, server, and cybersecurity operations. This role will administer and maintain LAN/WAN, firewalls, VPN/ZTNA, Wi-Fi, DNS, SD-WAN, remote access tools, and related connectivity solutions. The position will also support on-premises and Azure server environments, including storage, backup infrastructure, virtualization, and disaster recovery planning and testing.

This position will serve as an internal security owner and key point of contact for cybersecurity operations. Responsibilities include supporting vulnerability management, patching, endpoint protection, email security, security awareness efforts, and incident response coordination. The Systems Administrator will work closely with the managed Security Operations Center provider to support monitoring, escalation, remediation, and follow-through on security events.

This is a full-time, hybrid position based out of the Peachtree Corners, GA headquarters, with a minimum of two days per week on-site.

Required Education and Experience
  • High school diploma or equivalent required; degree in IT, Computer Science, Cybersecurity, or related field preferred.
  • 3-5 years of hands-on systems administration, network administration, or infrastructure/security experience.
  • Experience managing firewalls, VPN, or remote access infrastructure, and server environments.
  • Practical cybersecurity experience in vulnerability management, incident response, security monitoring, endpoint protection, or security operations. Experience working in hybrid cloud/on-premises environments; Azure experience preferred.
  • Experience creating and maintaining current technical documentation, standards, procedures, and support records.


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