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- Infrastructure Engineer
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Job title: Infrastructure Engineer
Role Summary: Senior Tier 3 Infrastructure Engineer responsible for delivering expert technical support, leading cloud migration and on‑premise projects, securing Windows and Microsoft 365 environments, managing network and security infrastructure, and mentoring junior staff.
Expactations: • 5+ years in a senior IT role focused on enterprise infrastructure
• Proven experience with Microsoft 365, Windows Server, Hyper‑V/VMware, and network devices (switches, routers, firewalls)
• Hands‑on knowledge of security tools (MDR, EDR, antivirus) and VoIP systems
• Strong communication, documentation, and mentorship abilities
Key Responsibilities: • Serve as final escalation point for complex technical issues and incident response.
• Lead end‑to‑end cloud migration projects (on‑prem to cloud, tenant‑to‑tenant, cross‑platform).
• Manage and secure Microsoft 365 tenant and on‑prem server infrastructure.
• Oversee design, deployment, and maintenance of network infrastructure including firewalls, switches, routers, and wireless access points.
• Architect and implement security measures such as MFA, network segmentation (VLAN), and security policies.
• Document processes, produce training materials, and mentor junior engineers.
• Participate in after‑hours on‑call rotation for high‑priority incidents.
Required Skills: • Advanced troubleshooting and diagnostic techniques for Windows, VMware/Hyper‑V, and networking.
• Experience in cloud strategy, migration planning, and execution.
• Expertise in Active Directory, Azure AD, and identity management.
• Network design and configuration (routing, switching, VLAN, wireless).
• Security solution design (MFA, firewall rule sets, MDR/EDR).
• Strong written and verbal communication, technical documentation, and knowledge‑sharing.
Required Education & Certifications: • Bachelor’s degree in Computer Science, Information Systems, or related field (required).
• Industry certifications such as Microsoft 365 Certified: Enterprise Administrator Expert, Microsoft Certified: Windows Server Hybrid Administrator Associate, Security+ (or equivalent).
• Additional certifications in network security (SonicWall, Palo Alto, or similar) or cloud platforms (Azure, AWS, GCP) are preferred.