Infrastructure Administrator

Trifecta

Allentown, Pennsylvania

JOB DETAILS
SKILLS
Access Control, Apple, Atlassian JIRA, Best Practices, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Cloud Computing, Computer Science, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Data Recovery, Dell Computers, Detail Oriented, Disaster Recovery, Documentation, Endpoint Security, Enterprise Protection, Ethernet Cable, File Maintenance, File Server, File and Print Sharing, Firewalls, Hardware Virtualization, Identify Issues, Information Technology & Information Systems, Internet Security, Manufacturing Data Management, Microsoft Access Database, Microsoft Active Directory, Microsoft Certifications, Microsoft Exchange Server Administration, Microsoft Hyper-V, Microsoft Product Family, Microsoft SharePoint, Microsoft Windows Azure, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Multitasking, Nagios Monitoring Tool, Nessus, Network Administration/Management, Network Connectivity, Network Systems, Operational Support, Performance Analysis, Problem Solving Skills, Python Programming/Scripting Language, Regulatory Compliance, Regulatory Requirements, Scripting (Scripting Languages), Security Monitoring, Software Patches, Storage Area Network (SAN), Systems Administration/Management, Systems Scalability, Technical Support, VMS Operating System, VMWare, VPN (Virtual Private Network), Virtual Machine (VM), Wide Area Network (WAN), Windows PowerShell
LOCATION
Allentown, Pennsylvania
POSTED
30+ days ago

About the role

We are seeking a highly motivated and detail-oriented Infrastructure Administrator to manage and support Trifecta and client on-prem and cloud-based infrastructure. This role is responsible for maintaining secure, reliable, and scalable systems across physical, virtual, and cloud environments. The ideal candidate is proactive, solutions-focused, and comfortable working in a fast-paced environment with multiple priorities. This is a hybrid role.


Key Responsibilities

Infrastructure and System Administration

  • Administer Windows Server environments (Active Directory, DNS, DHCP, GPO)
  • Manage multi-site virtualization platforms (VMware / Hyper-V / ProxMox)
  • Maintain file servers, print services, and core routing services
  • Provide technical administration of enterprise switches (Aruba, Fortinet, Unifi, Dell)
  • Provide technical support and maintenance of campus fiber (single and multi-mode), Cat6, etc.
  • Advanced knowledge of TCP/IP, SNMP, 802.11, VoIP, and PoE, DNS, DHCP, VLANs, and routing protocols (BGP, OSPF, RIP, etc.)
  • Expert knowledge of SAN technologies (Dell, Synology, etc.)
  • Monitor system performance, availability, and capacity
  • Perform patch management and system upgrades
  • Manage backups and disaster recovery processes
  • Experience with backup solutions and disaster recovery
  • Knowledge of network automation and scripting (PowerShell, Python, etc.)
  • Familiarity with Jira or Freshdesk ticketing systems, and IT documentation platforms


Cloud Administration

  • Administer Microsoft 365 (Exchange Online, SharePoint, Teams, OneDrive)
  • Manage hybrid Microsoft environments (Azure AD, Entra ID, Intune, VMs, storage)
  • Support hybrid hosting environments and cloud connectivity (site-to-site VPN, SD-WAN, direct connections)
  • Configure and monitor cloud security and compliance controls
  • Experience with Intune or similar MDM management platforms for Apple and Windows devices


Security and Compliance

  • Implement CrowdStrike and ESET endpoint protection and security best practices
  • Maintain DUO and Microsoft MFA, conditional access policies, and role-based access control
  • Conduct regular CrowdStrike and Nessus vulnerability remediation
  • Ensure systems meet internal and regulatory compliance requirements
  • Knowledge of monitoring tools (Zabbix, Nagios, SolarWinds, PRTG, etc.)
  • Experience with enterprise firewalls and security technologies
  • Knowledge of cybersecurity frameworks and best practices


User and Operational Support

  • Provide Tier 2/3 technical support
  • Troubleshoot complex infrastructure and cloud-related issues
  • Document systems, processes, and procedures
  • Collaborate with vendors and internal stakeholders


Required Qualifications

  • Primary residence within 2 hours of Allentown, PA
  • Bachelor’s degree in Information Technology, Computer Science, or related field
  • 7+ years of Network or Systems Administration experience
  • 7+ years of Microsoft 365 and/or Azure administration
  • Advanced networking certifications such as CCNA, CCNP, Fortinet NSE, or equivalent
  • Microsoft certifications (AZ-104, MS-102, etc.)
  • Experience in a Managed Services (MSP) environment
  • Excellent troubleshooting and problem-solving skills

About the Company

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Trifecta