Top Prospect Group
We are seeking a highly skilled Tier 3 Infrastructure Engineer to support, maintain, and enhance our enterprise IT infrastructure. This role requires deep expertise in Windows servers and related applications, as well as strong hands‑on experience with networking technologies including switches, firewalls, and routing. The Tier 3 Engineer will serve as an escalation point for complex issues, lead infrastructure projects, and ensure the stability, security, and scalability of systems across the organization.
Base Pay Range $86,000.00/yr – $95,000.00/yr
Responsibilities
Provide Tier 3 support for Windows servers, Active Directory, O365, and related applications.
Configure, monitor, and maintain core infrastructure components, including networking switches, routers, and firewalls.
Troubleshoot and resolve escalated system, server, and networking issues to minimize downtime.
Perform system upgrades, patching, and migrations while ensuring minimal business disruption.
Collaborate with Tier 1 and Tier 2 teams to provide mentorship and knowledge transfer.
Implement and enforce security best practices, monitoring systems for vulnerabilities and threats.
Manage backups, disaster recovery, and business continuity planning for critical infrastructure.
Document infrastructure configurations, processes, and troubleshooting procedures.
Participate in on–call rotation for critical incidents as required.
Qualifications
Proven experience as a Tier 3 Infrastructure Engineer, Systems Engineer, or similar role.
Strong expertise in Windows Server environments, Active Directory, and related enterprise applications.
Hands‑on experience with networking hardware (switches, routers, firewalls) and protocols (TCP/IP, DNS, DHCP, VPN).
Knowledge of virtualization platforms (VMware, Hyper‑V) and cloud services (Azure, AWS) is a plus.
Familiarity with security frameworks and compliance standards.
Excellent problem‑solving and communication skills.
Relevant certifications such as Microsoft (MCSA/MCSE), Cisco (CCNA/CCNP), or CompTIA Security+ are highly desirable.
Seniority Level Mid‑Senior level
Employment Type Full‑time
Job Function Information Technology
Industries IT Services and IT Consulting
Benefits
Medical insurance
Vision insurance
401(k)
#J-18808-Ljbffr
Base Pay Range $86,000.00/yr – $95,000.00/yr
Responsibilities
Provide Tier 3 support for Windows servers, Active Directory, O365, and related applications.
Configure, monitor, and maintain core infrastructure components, including networking switches, routers, and firewalls.
Troubleshoot and resolve escalated system, server, and networking issues to minimize downtime.
Perform system upgrades, patching, and migrations while ensuring minimal business disruption.
Collaborate with Tier 1 and Tier 2 teams to provide mentorship and knowledge transfer.
Implement and enforce security best practices, monitoring systems for vulnerabilities and threats.
Manage backups, disaster recovery, and business continuity planning for critical infrastructure.
Document infrastructure configurations, processes, and troubleshooting procedures.
Participate in on–call rotation for critical incidents as required.
Qualifications
Proven experience as a Tier 3 Infrastructure Engineer, Systems Engineer, or similar role.
Strong expertise in Windows Server environments, Active Directory, and related enterprise applications.
Hands‑on experience with networking hardware (switches, routers, firewalls) and protocols (TCP/IP, DNS, DHCP, VPN).
Knowledge of virtualization platforms (VMware, Hyper‑V) and cloud services (Azure, AWS) is a plus.
Familiarity with security frameworks and compliance standards.
Excellent problem‑solving and communication skills.
Relevant certifications such as Microsoft (MCSA/MCSE), Cisco (CCNA/CCNP), or CompTIA Security+ are highly desirable.
Seniority Level Mid‑Senior level
Employment Type Full‑time
Job Function Information Technology
Industries IT Services and IT Consulting
Benefits
Medical insurance
Vision insurance
401(k)
#J-18808-Ljbffr