System Administrator

KenCrest; Center Square (PA); Hybrid; USD 85,000 - 120,000; Full time

Job summary

KenCrest seeks a seasoned System Administrator to maintain and secure our enterprise infrastructure across 150+ sites in the United States. You will manage Windows Server, M365, Entra ID, Exchange Online, backups, disaster recovery, and firewall ecosystems while collaborating with IT leadership to deliver reliable day-to-day operations.

This hybrid role covers headquarters in Plymouth Meeting, PA with about one day per week in office, and involves automation, scripting, and cross-site support

Qualifications

• Associate degree in IT, CS, or related field, or equivalent experience.
• 5+ years of systems, network, or infrastructure administration in a small to mid-sized enterprise.
• Experience administering Microsoft Windows Server, Microsoft 365, Entra ID, virtualization platforms, and enterprise networking technologies.
• Working knowledge of firewall administration, backups, disaster recovery, and cybersecurity best practices.
• Experience with automation, scripting, SQL, or systems integrations preferred.
• Microsoft certifications (Azure, Microsoft 365, Windows Server) preferred.

Responsibilities

• Administer and support Windows Server, Microsoft 365, Entra ID, Exchange Online, and related cloud technologies.
• Manage user accounts, authentication services, MFA, permissions, and identity security.
• Monitor and enhance network infrastructure, firewalls, backups, and disaster recovery systems.
• Apply system upgrades, security patches, and new technologies to improve performance and security.
• Troubleshoot complex infrastructure and application issues; ensure timely ticket resolution.
• Develop and maintain technical documentation and knowledge resources.
• Monitor security events and support compliance aligned with NIST and cybersecurity standards.
• Identify opportunities for automation and process improvements using scripting and integrations.
• Support and maintain a multi-site WAN environment serving 1,000+ users across 150+ locations.

Skills

Windows Server Administration

Microsoft 365 Administration

Identity & Access Management

Networking & Firewalls

Scripting/Automation

Education

Associate degree in IT or related field

Tools

VMware

Backup & DR tools

Azure

PowerShell

Job description

The System Administrator is responsible for maintaining, securing, and optimizing KenCrest’s infrastructure, cloud services, and enterprise systems. This role supports over 1,000 users across 150+ locations by administering Microsoft technologies, network security solutions, virtualization platforms, and disaster recovery systems. The ideal candidate will partner with IT leadership and business stakeholders to implement secure, scalable technology solutions while ensuring reliable day-to-day operations.This position operates on a hybrid schedule, with in-office expectations of approximately one day per week at our headquarters in Plymouth Meeting, PA.Some Essential Functions:Administer and support Microsoft Windows Server, Microsoft 365, Entra ID (Azure AD), Exchange Online, and related cloud technologies.Manage user accounts, authentication services, conditional access policies, multifactor authentication (MFA), permissions, and identity security.Monitor, maintain, and enhance network infrastructure, firewalls, virtual environments, backups, and disaster recovery systems.Implement system upgrades, security patches, updates, and new technology solutions to improve performance, reliability, and security.Troubleshoot and resolve complex infrastructure, connectivity, messaging, and application issues while ensuring timely ticket resolution.Develop and maintain technical documentation, system configurations, procedures, and knowledge base resources.Monitor security events, support compliance initiatives, and follow best practices aligned with NIST and cybersecurity standards.Identify opportunities for automation and process improvement using scripting, SQL, integrations, and workflow technologies.Support and maintain a multi-site WAN environment serving 1,000+ users across 150+ locations, and participate in on-call or emergency support as needed.Other duties as assigned by hiring manager.Minimum QualificationsAssociate degree in Information Technology, Computer Science, or a related field (equivalent experience may be substituted; two years of relevant experience may be substituted for one year of education).Minimum of 5 years of systems, network, or infrastructure administration experience in a small to mid-sized enterprise environment.Experience administering Microsoft Windows Server, Microsoft 365, Entra ID, virtualization platforms, and enterprise networking technologies.Working knowledge of firewall administration, backup and disaster recovery processes, and cybersecurity best practices.Experience with automation, scripting, SQL, or systems integrations preferred.Microsoft certifications (Azure, Microsoft 365, Windows Server) preferred.Experience supporting multi-site environments and cloud-based infrastructure.Familiarity with virtualization platforms such as VMware/Broadcom and enterprise telecommunications systems.