Jobs / United States / A-Gas

Senior Infrastructure & Cybersecurity Engineer (UK)

A-Gas · 🇺🇸 Remote job · Remote

Sponsorship verdict

No sponsorship evidence yet

No government record and no wording either way. Not a refusal — ask the recruiter.

  • No government sponsor record hereThis employer posted directly and does not match a government sponsor register.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
  • Confirmed live todayWhen a source last listed this job as open.

US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).

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Sponsor Radar — A-Gas

Employer-posted — not on a register

This employer posted directly and does not match a government sponsor register.

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About the role

Why A‑Gas? At A‑Gas, what we do matters — every single day. We are a global leader in Lifecycle Refrigerant Management. We help industries reduce emissions, protect the environment, and transition to a more sustainable future. Our goal is clear: to protect and improve the environment by effectively managing refrigerants throughout their entire lifecycle. Job Purpose 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. The position holder will identify and design mitigations for cyber vulnerabilities, working closely with Managed Service Providers (MSPs) to execute remediation and validate outcomes. They will collaborate with OT engineers and Product Owners to ensure manufacturing systems, legacy operating systems, and critical business products remain available and secure. Essential Experience • 7+ years in infrastructure engineering, with strong exposure to security and resilience design. • Expertise in VMware virtualization, Microsoft stack (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. Desirable • Experience with PAM solutions (CyberArk or similar), SIEM/SOAR tuning, WAF, IDS/IPS. • Exposure to industrial control systems (ICS) and OT security best practices. Certifications • AZ‑500 (Azure Security Engineer), SC‑100 (Cybersecurity Architect), CISSP, or equivalent. What do you get in return? • Competitive and attractive employment package • Employer pension scheme • Flexible working hours (depending on the role) • Collective benefits program • Employee Assistance Program (support for work and personal matters) • Cycle to work scheme • Team activities in summer and around Christmas Why choose A‑Gas? Because your work contributes to something bigger: • A safer climate • A more sustainable industry • An organization with a clear mission, innovative strength, and long-term vision Together, we are building a sustainable future. Find Jobs in United Kingdom on Arbeitnow

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Source: Arbeitnow feed First seen: 2026-10-15 Last confirmed: 2026-10-15 How our data works → Report this job

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