Senior System Admin

Insight Global
Houston, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
$ 110K

Job location

Houston, United States of America

Tech stack

Microsoft Windows
Microsoft Active Directory
Amazon Web Services (AWS)
Application Firewall
Azure
Bash
Cloud Computing
Dynamic Host Configuration Protocol
DNS
Python
Linux Servers
Network administration
Powershell
Cloud Services
Ansible
Scripting (Bash/Python/Go/Ruby)
Google Cloud Platform
Cloud Platform System
Sysadmin
Reliability of Systems
Sonicwall
Infrastructure as Code (IaC)
Cloudformation
Kubernetes
Infrastructure Automation Frameworks
Data Management
Isilon
Firewall Services Module
Terraform
Network Server
Docker
VMware

Job description

  • Administer and support enterprise infrastructure across on-prem and cloud environments
  • Manage Windows/Linux servers, VMware, Active Directory, networking, and storage
  • Support AWS/Azure/GCP cloud services and hybrid infrastructure initiatives
  • Maintain security, firewall configurations, patching, and system reliability
  • Automate infrastructure processes through scripting and Infrastructure as Code
  • Participate in infrastructure upgrades, migrations, and modernization projects
  • Work with vendors and internal stakeholders to deliver infrastructure solutions

Requirements

We are seeking a highly skilled Hybrid Infrastructure Administrator to manage, maintain, and modernize our enterprise infrastructure across both on-premises and cloud environments. The ideal candidate will possess deep expertise in traditional systems administration, including servers, virtualization, networking, storage, Active Directory, and firewall management, while also demonstrating hands-on experience with public cloud platforms such as AWS, Google Cloud Platform (GCP), Microsoft Azure, or equivalent cloud technologies.

This role is responsible for ensuring the reliability, security, scalability, and performance of enterprise infrastructure supporting critical business operations. The successful candidate will have experience designing, implementing, and supporting hybrid infrastructure solutions that integrate on-premises systems with cloud services. Strong expertise in VMware, infrastructure automation, Infrastructure as Code (IaC), vendor management, and project delivery is highly desirable.

The ideal candidate is a self-starter with excellent technical, analytical, and communication skills who can effectively support operational requirements while driving infrastructure modernization initiatives., Requirements

  • 7+ years of experience in Systems Administration, Infrastructure Administration, or Network Administration
  • Strong experience supporting enterprise Windows/Linux servers
  • Deep knowledge of Active Directory, DNS, DHCP, Group Policy, networking, and storage
  • Hands-on experience with VMware
  • Experience supporting hybrid environments (on-prem + cloud)
  • Experience with AWS, Azure, or GCP
  • Experience with firewall administration (Palo Alto or SonicWall preferred)
  • Scripting/automation experience using PowerShell, Bash, or Python
  • Strong troubleshooting and infrastructure project experience

Nice to Have Skills & Experience

  • Terraform, Ansible, CloudFormation, or other IaC tools
  • Enterprise storage platforms (Isilon, VxRail, Data Domain, Avamar, etc.)
  • Docker/Kubernetes
  • Cloud or VMware certifications

Benefits & conditions

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

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