IT Infrastructure Specialist

Zer04 Consulting LLC; Dayton (OH); Hybrid; USD 65,000 - 75,000; Full time

Job summary

Zer04 Consulting LLC is seeking an IT Infrastructure Specialist to support core infrastructure while taking a hands-on role in cybersecurity operations. The role blends Microsoft cloud administration, network and server support, and security monitoring in a hybrid Dayton, Ohio environment.

The ideal candidate will have 3–5 years of infrastructure experience and hands-on Azure, Microsoft 365, Intune, Entra ID, Defender, and Purview administration. U.S.

Qualifications

• 3–5 years of infrastructure support, network admin and cloud systems experience.
• Hands-on Azure, Microsoft 365, Intune, Entra ID, Defender, and Purview administration.
• Experience with Active Directory, Windows Server, and cloud/on-prem network infrastructure.

Responsibilities

• Administer and troubleshoot Microsoft 365, Azure, Intune, Entra ID, Defender, and Purview environments.
• Maintain Windows servers, Active Directory, endpoints, cloud services, and onsite network infrastructure.
• Configure and support firewalls, VPN connections, and network switching; resolve escalated issues.

Skills

Cloud admin

Incident response

Troubleshooting

Tools

Azure

Microsoft 365

Intune

Entra ID

Defender

Purview

Active Directory

Windows Server

Firewalls

VPNs

Network switches

Job description

*** MUST BE ABLE TO WORK IN THE US WITHOUT SPONSORSHIP. THIS POSITION IS NOT OPEN TO C2C CANDIDATES AT THIS TIME. ***

IT Infrastructure Specialist

Dayton, Ohio metropolitan area | Hybrid | Full-time | $65,000-$75,000 annually

Position Overview

Zer04 Consulting is recruiting an IT professional who can support core infrastructure while taking a hands-on role in cybersecurity operations. This position combines Microsoft cloud administration, network and server support, complex technical troubleshooting, and security monitoring in an onsite environment.

Key Responsibilities

• Administer and troubleshoot Microsoft 365, Azure, Intune, Entra ID, Defender, and Purview environments.
• Maintain Windows servers, Active Directory, endpoints, cloud services, and onsite network infrastructure.
• Configure and support firewalls, VPN connections, and network switching; resolve escalated infrastructure and end-user issues.
• Monitor security tools, investigate alerts, assist with incident response, and apply patches and security improvements.
• Support system deployments, upgrades, technical documentation, and security/compliance activities.
• Coordinate technical support for local and remote users; participate in on-call support and domestic travel as needed.

Required Qualifications

• Approximately 3-5 years of practical experience across infrastructure support, network administration, and cloud systems.
• Hands-on administration of Azure, Microsoft 365, Intune, Entra ID, Microsoft Defender, and Microsoft Purview.
• Experience configuring firewalls, VPNs, and network switches, plus supporting Active Directory and Windows Server.
• Ability to troubleshoot complex systems and network issues while supporting end users effectively.
• U.S. citizenship and eligibility to obtain a security clearance; no employment-visa sponsorship or corp-to-corp arrangements.

Preferred Qualifications

Experience with CMMC/NIST SP 800-171 implementation, CompTIA Security+ or Network+ certification, SIEM platforms, or AWS.

Why Consider This Opportunity

Work across infrastructure and cybersecurity responsibilities in a role that calls for practical problem-solving and broad technical capability.

About Zer04 Consulting

Zer04 Consulting is the recruiting partner for this confidential employer. Candidates will receive additional details as the recruiting process progresses.