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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Administrator - **Company:** The Trifecta, Inc. - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Active Directory, JIRA, Microsoft Azure, Backup Devices, Border Gateway Protocol, VoIP, Cloud Computing, Cloud Computing Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, File Server, Monitoring of Systems, Hyper-V, Issue Tracking Systems, Virtual Private Networks (VPN), Python (Programming Language), Windows Servers, Nagios, Routing, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Windows PowerShell, Role-Based Access Control, Azure Active Directory, Microsoft SharePoint, Simple Network Management Protocols, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Software Vulnerability Management, Wide Area Networks, Zabbix, Scripting, Cloud Platform System, Microsoft InTune, Information Technology, SolarWinds (Software), Patch Management, Nessus, Fortinet, Zendesk, Open Network Automation Platform, Vmware - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/infrastructure-administrator-trifecta-8357114 ## About the Role * 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 ## Description 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., 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 ## Related Videos - [Hacking MSSQL on Cloud. 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