IT Infrastructure Administrator

Continental Services•Sterling Heights, MI

36d•Hybrid

About The Position

The IT Infrastructure Administrator is responsible for supporting, maintaining, and improving the organization’s network and server environments across both on-premise and cloud platforms. This role provides Tier 2/3 escalation support for the IT Support team and is critical to ensuring the availability, performance, and security of infrastructure services. The ideal candidate is a hands-on generalist across infrastructure technologies with deep expertise in one or two core areas such as networking, cloud platforms, or systems administration.

Requirements

5+ years of experience in IT infrastructure or systems administration roles.
Hands-on experience with both on-premises and cloud infrastructure environments.
Strong knowledge of networking fundamentals (TCP/IP, DNS, DHCP, routing, switching).
Experience supporting Windows Server and/or Linux systems.
Ability to troubleshoot complex, cross-technology infrastructure issues.
Experience serving as Tier 2 or Tier 3 support in an enterprise environment.
Strong documentation and communication skills.
Deep expertise in one or two infrastructure domains (e.g., networking, Azure, virtualization).

Nice To Haves

Experience with virtualization platforms (VMware, Hyper-V, or cloud equivalents).
Familiarity with security, monitoring, backup, and automation tools.
Relevant certifications (Azure, Microsoft, VMware).

Responsibilities

Administer and support on-premises and cloud-based server environments (Windows/Linux).
Manage and troubleshoot enterprise network infrastructure, including LAN, WAN, Wi-Fi, VPN, firewalls, and switching.
Act as escalation support for complex infrastructure issues from the IT Support team.
Monitor system performance, availability, and capacity; proactively address issues.
Implement and maintain backups, disaster recovery, and high-availability solutions.
Support cloud infrastructure services (IaaS/PaaS), including resource provisioning and optimization.
Partner with security teams to implement patching, access controls, and infrastructure security standards.
Participate in infrastructure projects, including upgrades, migrations, and modernization efforts.
Maintain accurate technical documentation, diagrams, and standard operating procedures.
Identify opportunities for automation, standardization, and operational improvement.
Recruit and develop high-performing technical teams.
Performs other related duties as assigned.