NexusTek · 4 hours ago
Sr Systems Engineer (Infrastructure)
United States
Full-time
Remote
Mid, Senior Level
5+ years expNexusTek is a company that delivers unparalleled managed IT services to a wide range of clients, and they are seeking a Senior Systems Infrastructure Engineer to support and optimize hybrid environments across Azure, AWS, and on-premises infrastructure. The role involves managing cloud infrastructure, supporting on-premises systems, implementing automation solutions, and mentoring junior engineers.
Cloud ComputingCyber SecurityEnterprise SoftwareSoftwareCloud Data ServicesCloud InfrastructureCloud ManagementData CenterEnterprise Resource Planning (ERP)IT ManagementVirtual Desktop
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
+ Networking (firewalls, switches, routers, VPNs)
+ 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
Qualification
Required
Minimum 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
Strong troubleshooting, communication, and customer-facing skills
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
Bachelor's degree in Computer Engineering, Computer Science, Information Systems, or related technical field
Preferred
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
Benefits
Four weeks of annual accrued PTO
Seven paid national holidays
Medical, dental, vision options
Company-paid life insurance, short and long-term disability
Voluntary benefits such as critical illness and accident
Voluntary Legal Shield and identity theft protection
Discretionary annual 401k match plan
Generous employee referral bonus plan
Employee Assistance Program
Access to over 90,000+ courses in ADP My Learning
StandOut employee engagement tools
Eligible to apply for a Pluralsight license
Company
NexusTek
Delivering business outcomes with IT solutions that optimize, grow, and secure your business.
201-500 employees
H1B Sponsorship
NexusTek has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Growth StageTotal Funding
unknownKey Investors
A&M Capital Strategic InvestmentsLightview Capital
2023-05-16Private Equity
2017-12-13Acquired
2014-09-11Private Equity
Leadership Team
Hamilton Yu
Chief Executive Officer
Scott Ray
Chief Operating Officer
Recent News
2025-12-05
Company data provided by crunchbase