Infrastructure Administrator
Trifecta Services Company
Infrastructure Administrator
At Trifecta, we are more than just a technology company. We are a community of innovators, collaborators, and problem solvers dedicated to driving positive change in the world of technology. We are a dynamic organization that embraces diversity, fosters inclusion, and values the unique contributions of each of Trifecta Teammates. At Trifecta you will find a supportive and inclusive culture, endless opportunities for growth and development, and a vibrant community of passionate professionals dedicated to shaping the future!
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
Vacancy posted 4 days ago
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