Application Support Engineer (OT)

TL;DR

Application Support Engineer (Azure/OT): Supporting and maintaining server-based applications across on-premises and Azure environments within Operational Technology (OT) and Process Control Network (PCN) settings with an accent on deployment, troubleshooting, and cybersecurity compliance. Focus on identifying root causes of infrastructure issues and ensuring high system availability and operational reliability.

Location: Onsite in Pasadena, TX

Company

hirify.global is a professional staffing and solutions firm providing specialized technical talent to various industries.

What you will do

• Deploy, troubleshoot, and maintain server-based applications within OT and business network environments.
• Configure and support Microsoft Windows Server and Azure-hosted infrastructure.
• Manage application lifecycles, including patching, upgrades, and modernization projects.
• Ensure compliance with cybersecurity standards, information management policies, and risk management requirements.
• Maintain technical documentation and infrastructure diagrams.
• Collaborate with technical teams to deliver secure and reliable application platforms.

Requirements

• Experience supporting on-premises and Azure applications in Operational Technology (OT) environments.
• Proficiency in deploying and troubleshooting Microsoft Windows Server environments.
• Strong analytical skills for identifying and resolving technical infrastructure issues.
• Excellent written and verbal communication for technical documentation.
• Must be worked on a W2 basis only; no C2C eligibility.

Nice to have

• Understanding of Purdue Model, air-gapped networks, and Zero Trust security concepts.
• Experience with PowerShell scripting for automation.
• Knowledge of VMware ESXi, vCenter, and VxRail virtualization.
• Experience with Linux servers (RHEL, CentOS) and security tools like Tenable Nessus or Tanium.
• Familiarity with Agile/SAFe frameworks and Azure DevOps (ADO).

Culture & Benefits

• Contract opportunity with a duration of 6+ months.
• Visa sponsorship is available.