
Junior Systems Administrator
- Windows Server
- Active Directory
- DNS
- DHCP
- Group Policy
- Disaster Recovery
- Load Balancing
- Exchange Online
- Azure AD
- SharePoint Online
- OneDrive
- Conditional Access
- Palo Alto Networks
- Cortex
- Incident Response
- KVM
- Vulnerability Management
- Oracle Cloud Infrastructure
- Linux
- CySA+
- CISSP
- Microsoft Intune
- Jamf
- PowerShell
Position SummaryÂ
We are seeking a highly motivated and skilled Junior Systems Administrator to join our IT team. This position is responsible for assisting with management and maintenance of the organization's on-premises, virtualized, cloud, and Microsoft 365 infrastructure while supporting key cybersecurity initiatives as needed. The ideal candidate will possess technical expertise in systems administration, cloud technologies, and enterprise security solutions, with a proactive approach to ensuring system availability, performance, and security.Â
Key ResponsibilitiesÂ
Systems AdministrationÂ
- Assist with Installing, configuring, maintaining, and troubleshooting physical and virtual server environments.Â
- Assist with the Administration of Windows Server infrastructure, Active Directory, DNS, DHCP, Group Policy, and related services.Â
- Assist with high level configuration of the company's PBX software.Â
- Monitor system performance, capacity, and availability to ensure optimal operation.Â
- Perform regular system updates, patch management, and vulnerability remediation.Â
- Assist with managing/implementing backup, disaster recovery, and business continuity processes.Â
- Assist with Maintaining/Creating detailed documentation for systems, procedures, and configurations.Â
Cloud Infrastructure ManagementÂ
- Assist with Designing, implementing, and supporting cloud-based infrastructure and services.Â
- Assist with managing cloud-hosted servers, storage, networking components, and load balancing solutions.Â
- Monitor cloud resource utilization and optimize performance, reliability, and cost.Â
- Assist with cloud migration initiatives and hybrid infrastructure deployments.Â
- Assist with ensuring cloud environments adhere to organizational security standards and best practices.Â
Microsoft 365 AdministrationÂ
- Help with planning, deploying, managing, and supporting Microsoft 365 environments.Â
- Assist with administration of Exchange Online, Entra ID (Azure AD), Microsoft Teams, SharePoint Online, OneDrive, and other Microsoft 365 services.Â
- Assist with managing identity and access controls, including Multi-Factor Authentication (MFA), Conditional Access, and Single Sign-On (SSO).Â
- Support licensing, tenant management, security configurations, and compliance requirements.Â
- Evaluate and implement new Microsoft 365 features and technologies.Â
Cybersecurity Operations and AdministrationÂ
- Assist with the administration and management of Palo Alto Networks firewalls and security policies.Â
- Support Palo Alto Cortex XDR deployment, monitoring, incident response, and threat investigation activities.Â
- Assist with managing and maintaining the Rapid7 security platform, including vulnerability assessments, reporting, and remediation tracking.Â
- Participate in security monitoring, threat detection, and incident response efforts.Â
- Collaborate with internal teams to ensure systems remain secure, compliant, and resilient.Â
- Assist with cybersecurity awareness initiatives and security best practice implementation.Â
Required QualificationsÂ
- Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or related field (or equivalent experience).Â
- Exposure to managing Windows Server environments and virtualization platforms such as Proxmox, KVM, and OpenVZ.Â
- Exposure to administration of Microsoft 365 services and Entra ID.Â
- Strong analytical, troubleshooting, and problem-solving skills.Â
- Excellent communication and documentation skills.Â
Preferred QualificationsÂ
- Experience with Palo Alto Networks Next Gen Firewalls and Cortex XDR.Â
- Experience with Rapid7 Insight Platform or comparable vulnerability management solutions.Â
- Knowledge of cloud infrastructure platforms such as Oracle Cloud Infrastructure.Â
- Familiarity with network technologies including routing, switching, DNS, VPNs, and load balancing.Â
- Understanding cybersecurity principles, vulnerability management, and endpoint security.Â
- Familiar with Linux command line interfaces.Â
- Industry certifications such as A+, Net+, Security+, CySA+, CISSP, Microsoft 365 Administrator Expert or equivalent.Â
- Experience with endpoint management solutions including Microsoft Intune, JAMF, and Soti Mobicontrol.Â
- Knowledge of scripting and automation using PowerShell or similar tools.Â
Desired Skills & CompetenciesÂ
- Strong attention to detail and commitment to security best practices.Â
- Ability to manage multiple priorities in a fast-paced environment.Â
- Excellent collaboration and customer service skills.Â
- Ability to work independently and as part of a team.Â
- Strong organizational and project management capabilities.Â
Junior Systems Administrator · Astro Shapes LLC