Senior Infra Security Engineer: Resilience & Zero Trust

Socket.dev; Rhome (TX); On-site; USD 150,000 - 190,000; Full time

Job summary

A‑Gas is strengthening its global infrastructure and cyber resilience across IT and OT environments. We are seeking a Senior Infrastructure & Cybersecurity Engineer who will design secure, resilient infrastructure and network architectures to maximize business continuity and protect critical assets.

You will collaborate with MSPs and OT engineers to identify mitigations for cyber vulnerabilities and ensure manufacturing systems remain available and secure.

Qualifications

• 7+ years in infrastructure engineering with security and resilience focus.
• Expertise in VMware virtualization and Microsoft stack including Entra ID/Azure AD, Windows Server, Intune, M365, Defender, Sentinel.
• Proven experience designing redundant network architectures and implementing business continuity strategies.
• Familiarity with Meraki networking and firewall configuration for secure cross-business connectivity.
• Knowledge of CIS18 controls, NIST CSF, and Zero Trust principles.
• Strong scripting/automation skills (PowerShell, Bash) and ability to validate MSP deliverables.

Responsibilities

• Design secure, resilient infrastructure and network architectures.
• Collaborate with MSPs to remediate vulnerabilities and validate outcomes.
• Ensure manufacturing systems, legacy OS and critical business products remain available and secure.
• Maximize business continuity and eliminate single points of failure.

Skills

VMware

Microsoft stack

Azure AD

PowerShell

Bash

Zero Trust

Network design

Business continuity

Tools

Meraki

Firewall config

SIEM

SOAR

WAF

IDS/IPS

Job description

A‑Gas is strengthening its global infrastructure and cyber resilience across IT and OT environments. We are seeking a Senior Infrastructure & Cybersecurity Engineer who will design secure, resilient infrastructure and network architectures to maximize business continuity and protect critical assets.

You will collaborate with MSPs and OT engineers to identify mitigations for cyber vulnerabilities and ensure manufacturing systems remain available and secure.