Senior Infrastructure Cybersecurity Engineer Zero Trust & OT

A Gas; United States; Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive employment package

Employer pension scheme

Flexible working hours

Collective benefits program

Employee Assistance Program

Cycle to work scheme

Team activities around summer and Xmas

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 support the Head of Infrastructure in designing and evolving secure, resilient infrastructure and network architectures.

This role focuses on maximizing business continuity, eliminating single points of failure, and protecting critical assets.

Qualifications

• 7+ years in infrastructure engineering with security focus.
• Experience with VMware, Microsoft stack, Defender and Sentinel.
• Proven ability to design redundant networks and business continuity strategies.
• Familiarity with Meraki networking and firewall configuration for secure 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.
• Identify mitigations for cyber vulnerabilities and validate MSP deliverables.
• Collaborate with OT engineers and Product Owners to keep manufacturing systems secure and available.
• Maximize business continuity and eliminate single points of failure.

Skills

Infrastructure engineering

Security & resilience design

VMware virtualization

Microsoft stack (Azure/Entra ID, M365,

Network architecture redundancy

Scripting (PowerShell, Bash)

MSP collaboration

Tools

Meraki networking

Firewall configuration

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 support the Head of Infrastructure in designing and evolving secure, resilient infrastructure and network architectures.

This role focuses on maximizing business continuity, eliminating single points of failure, and protecting critical assets.