Senior Hybrid Infrastructure Admin

Insight Global; Houston (TX); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Insight Global is seeking a Hybrid Infrastructure Administrator to support, maintain, and modernize enterprise infrastructure across on‑premises and cloud environments. The role focuses on reliability, security, performance, and scalability while advancing cloud, automation, and Infrastructure as Code initiatives.

The ideal candidate will have hands-on experience with Windows and Linux servers, VMware, Active Directory, networking, storage, and firewalls, plus cloud experience (AWS or similar).

Qualifications

• Experience supporting enterprise on-premises infrastructure including servers, networking, virtualization, storage, and security.
• Hands-on administration experience with VMware technologies.
• Strong knowledge of Windows Server, Linux, Active Directory, DNS, DHCP, and Group Policy.
• Experience with enterprise networking and firewall administration.
• Hands-on experience with AWS and/or another major public cloud.
• Understanding of cloud networking, IAM, security, monitoring, backup, and disaster recovery.
• Experience with IaC and automation (Terraform, CloudFormation, Ansible, ARM/Bicep, Pulumi).
• Scripting experience with PowerShell, Bash, Python, or similar.

Responsibilities

• Administer, maintain, and troubleshoot Windows and Linux server environments.
• Manage VMware virtualization infrastructure, including health, performance, upgrades, and availability.
• Administer AD, domain controllers, Group Policy, DNS, and DHCP.
• Manage enterprise networking and firewall configurations for security and performance.
• Support firewalls (SonicWall, Palo Alto) and security configurations.
• Monitor infrastructure health and address performance, capacity, and reliability issues.
• Perform server OS upgrades, patching, and vendor updates.
• Support storage and backup technologies (Isilon, Vblock, VxRail, Data Domain, Avamar).
• Administer and support hybrid-cloud infrastructure across AWS, Azure, and/or GCP with secure integration.
• Design and maintain cloud infrastructure, networking, identity, security controls, monitoring, backup, and DR solutions.
• Develop automation and IaC solutions using Terraform, CloudFormation, ARM/Bicep, Ansible, or Pulumi.
• Build and maintain administrative automation using PowerShell, Bash, Python.
• Support CI/CD pipelines and DevOps practices for infra deployments.
• Coordinate with third-party vendors to resolve issues and deliver initiatives.
• Lead or contribute to infrastructure projects from planning to delivery.

Skills

Windows Server

Linux Server

VMware

Active Directory

Networking

Firewalls

AWS Cloud

Terraform

PowerShell

Python

CI/CD

Tools

Isilon

Vblock

VxRail

Data Domain

Avamar

Palo Alto

SonicWall

Terraform

CloudFormation

Ansible

Pulumi

Job description

Job Description

We are seeking a highly skilled Hybrid Infrastructure Administrator to support, maintain, and modernize enterprise infrastructure across on-premises and cloud environments. This individual will be responsible for the reliability, security, performance, and scalability of critical infrastructure while helping drive the organization’s continued transition toward cloud, automation, and Infrastructure as Code.

The ideal candidate will have strong hands-on experience supporting traditional enterprise infrastructure, particularly Windows/Linux servers, VMware, Active Directory, networking, storage, and firewalls, along with experience supporting AWS or other public cloud environments. This person should be comfortable owning technical initiatives, working with third-party vendors, and managing infrastructure projects from planning through implementation.

Key Responsibilities

• Administer, maintain, and troubleshoot enterprise Windows and Linux server environments.


• Manage and support VMware virtualization infrastructure, including system health, performance, upgrades, and availability.


• Administer Active Directory, domain controllers, Group Policy, DNS, and DHCP.


• Manage enterprise networking infrastructure, including firewall configurations, connectivity, performance, and security.


• Support SonicWall and Palo Alto firewalls, including firewall rules and security configurations.


• Monitor infrastructure health and proactively address performance, capacity, reliability, and availability issues.


• Perform server OS upgrades, patching, maintenance, and vendor-supported updates.


• Support enterprise storage and backup technologies, including environments utilizing Isilon, Vblock, VxRail, Data Domain, and Avamar.


• Administer and support hybrid-cloud infrastructure across AWS, Azure, and/or GCP, with a focus on securely integrating cloud and on-premises environments.


• Design and maintain cloud infrastructure, networking, identity, security controls, monitoring, backup, and disaster recovery solutions.


• Develop automation and Infrastructure as Code (IaC) solutions using technologies such as Terraform, AWS CloudFormation, ARM/Bicep, Ansible, or Pulumi.


• Build and maintain administrative automation using PowerShell, Bash, Python, or similar scripting languages.


• Support CI/CD pipelines and DevOps practices that improve infrastructure deployment, provisioning, and operational efficiency.


• Coordinate with third-party vendors and service providers to resolve issues and deliver infrastructure initiatives.


• Lead or contribute to infrastructure projects, including planning, implementation, documentation, and delivery.

Partner with technical and business stakeholders to communicate infrastructure needs, risks, solutions, and project progress.

Skills and Requirements

• Strong experience supporting enterprise on-premises infrastructure, including servers, networking, virtualization, storage, and security.


• Hands-on administration experience with VMware technologies.


• Strong knowledge of Windows Server, Linux, Active Directory, DNS, DHCP, and Group Policy.


• Experience with enterprise networking and firewall administration.


• Hands-on experience supporting AWS and/or another major public cloud platform.


• Understanding of cloud networking, identity and access management, security, monitoring, backup, and disaster recovery.


• Experience with Infrastructure as Code and automation, ideally Terraform, CloudFormation, Ansible, ARM/Bicep, Pulumi, or similar technologies.


• Scripting experience with PowerShell, Bash, Python, or similar tools.


• Strong troubleshooting and root-cause analysis skills.


• Experience working with third-party vendors and service providers.


• Ability to independently own and deliver infrastructure projects.


• Strong written and verbal communication skills with the ability to communicate effectively with technical and non-technical stakeholders.


• Experience with Palo Alto and SonicWall firewalls.


• Experience with enterprise storage and backup technologies such as Isilon, Vblock, VxRail, Data Domain, and Avamar.


• Experience implementing IaC and DevOps practices within an enterprise environment.


• Experience building or supporting CI/CD pipelines for infrastructure deployments.


• Experience designing or supporting infrastructure spanning both on-premises data centers and public cloud environments.


• Exposure to multiple cloud platforms, including AWS, Azure, and GCP.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [e-mail].