Sr Systems Engineer (Infrastructure)

About This Role

NexusTek is seeking a Senior Systems Infrastructure Engineer to onboard, design, support, and optimize hybrid cloud environments for diverse clients. This role balances traditional infrastructure management with modern cloud platforms, requiring a hands-on approach and expertise in Azure, AWS, and on-premises infrastructure.

Responsibilities

• Design, support, and optimize hybrid cloud environments (on-premises + Azure/AWS)
• Manage cloud infrastructure including compute, networking, storage, IAM, and backups
• Support on-premises infrastructure: Windows/Linux servers, Active Directory, DNS, DHCP, VMware and/or Hyper-V virtualization platforms
• Support networking (firewalls, switches, routers, VPNs)
• Support storage (SAN/NAS) and backup/disaster recovery solutions
• Implement automation and scripting solutions (PowerShell, Python, etc.)
• Monitor, troubleshoot, and resolve complex infrastructure issues
• Act as a senior escalation point and mentor junior engineers
• Maintain clear documentation and follow ITIL-aligned processes
• Participate in a rotating on-call schedule (afterhours and weekends)

Requirements

• 5+ years of senior-level experience in hybrid cloud and infrastructure engineering
• Strong hands-on expertise with Microsoft Azure and Amazon Web Services (AWS)
• Solid background in traditional on-premises infrastructure management
• Proven experience in an MSP or multi-client environment
• Demonstrated ability to resolve technical problems and troubleshoot in complex client-server environments
• Proficiency with Microsoft Windows Server (2008-present)
• Experience with Microsoft Exchange, Hyper-V, and RDS
• Knowledge of VMware ESXi and Veeam Backup & Replication
• Understanding of networking technologies including switching, firewall, and wireless configuration
• Familiarity with cloud technologies such as Office 365 and Azure

Qualifications

• Bachelor's degree in Computer Engineering, Computer Science, Information Systems, or related technical field preferred
• Minimum 5+ years of senior-level experience in hybrid cloud and infrastructure engineering

Nice to Have

• Azure, AWS, VMware, or networking certifications (MCSE, Azure Solutions Architect, AWS Solutions Architect)
• Infrastructure-as-Code experience (Terraform, ARM Templates, CloudFormation)
• Compliance or regulated-environment experience
• Familiarity with MSP applications like ConnectWise, LabTech, and IT Glue

Skills

* Required skills

Benefits