Senior Infrastructure Engineer

Arcas Technology Ltd.; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading IT solutions provider in the City of London seeks an experienced Senior Infrastructure & Security Engineer. The role involves ownership of 3rd-line infrastructure and cybersecurity support, focusing on stability and efficiency. Candidates should have strong technical skills in cloud technologies, particularly Azure, and experience in mentor roles. This position offers an opportunity to work on transformative projects in an enterprise-level environment.

Qualifications

• Proven experience in senior infrastructure and security engineering roles.
• Strong technical competency in cloud and cybersecurity.
• Hands-on expertise in Azure and networking.

Responsibilities

• Provide 3rd-line infrastructure and security support.
• Design and deploy scalable infrastructure solutions using cloud platforms.
• Collaborate with 1st and 2nd line engineers.

Skills

Cloud and cybersecurity expertise

Hands-on experience with Microsoft 365

Networking knowledge

Mentorship and technical leadership

Proactive problem-solving

Tools

Microsoft 365

Azure

VMware

Hyper-V

Job description

Overview

Our client, a growing enterprise seeking to enhance its IT operations, is looking for an experienced Senior Infrastructure & Security Engineer to take ownership of 3rd-line infrastructure and cybersecurity support. This hands-on role requires deep technical competency, project experience, and a proactive attitude, ensuring stability, security, and efficiency in the company's IT environment.

Responsibilities

• Provide 3rd-line infrastructure and security support, ensuring system reliability and cybersecurity best practices.
• Design and deploy scalable infrastructure solutions using cloud platforms such as Azure.
• Collaborate with 1st and 2nd line engineers, offering mentorship and technical leadership.
• Drive solution design, IT operations, and network security in an enterprise-level setting.
• Utilise virtualisation technologies to optimise system performance and resource efficiency.
• Work within a customer-facing role, ensuring IT systems align with business needs.
• Participate in infrastructure transformation initiatives, aligning with enterprise-level standards.
• Ensure compliance with cybersecurity and regulatory frameworks while implementing risk mitigation strategies.

Qualifications

• Proven experience in senior infrastructure and security engineering roles.
• Strong technical competency in cloud and cybersecurity, ideally within an enterprise or SME environment.
• Hands-on expertise with Microsoft 365, Azure, and networking (AWS is a plus).
• Experience in solution architecture, IT operations, and infrastructure design.
• Practical experience in cybersecurity, system design, and infrastructure architecture.
• Familiarity with virtualisation technologies (e.g., VMware, Hyper-V)
• A background working with large-scale IT environments.

If you're an experienced Infrastructure & Security Engineer with a passion for hands-on technical work and solution architecture, we'd love to hear from you!