Network Infrastructure Security Manager – HYBRID WORKING – 10941HS

Proactive.IT Appointments Limited; City Of London; Hybrid; GBP 70,000 - 80,000; Full time

Job summary

A leading IT recruitment agency is seeking an experienced Network Infrastructure Security Manager to lead cybersecurity initiatives. The ideal candidate will have over 10 years of experience in IT infrastructure and security management with a proven track record in implementing best practices and ensuring regulatory compliance. This hybrid position offers a salary of £70k - £80k along with benefits.

Qualifications

• 10+ years of hands-on IT infrastructure and security management.
• Experience working within an enterprise scale organization.
• Strong expertise in Microsoft technologies and cloud environments.

Responsibilities

• Implement and enforce cybersecurity best practices.
• Ensure compliance with regulatory standards like GDPR.
• Lead in deployment and management of backups and disaster recovery plans.

Skills

IT infrastructure management

IT security management

Cybersecurity frameworks

Microsoft technologies

Regular systems troubleshooting

Education

Microsoft Certified Professional

AWS Certified Solutions Architect

VMware Certified Professional

Tools

Nessus VAPT

EDR

SIEM

Job description

Network Infrastructure Security Manager – Hybrid Working

10941HS
£70k – 80k per year + benefits

Position Summary:

We are seeking an experienced Infrastructure/Security Manager to lead our IT operations and cybersecurity initiatives. The ideal candidate will have a strong technical background, with the ability to combine hands-on technical expertise with leadership capabilities.

Responsible for driving company IT security, and stability of all IT systems and services.

Responsibilities

• Implement and enforce cybersecurity best practices (ISO 27001, CE+, CIS benchmarks), including endpoint protection, vulnerability scanning, penetration testing, and incident response planning.
• Ensure compliance with regulatory standards such as GDPR
• Ensure best security practice for Office 365, Exchange Online, and SharePoint administration.
• Administer firewalls, VPNs, and endpoint security solutions, ensuring zero-trust security models.
• Lead security aspects of IT projects, network upgrades, and enterprise application deployments.
• Lead in deployment and management of backups, disaster recovery (DR) plans, and business continuity strategies.
• Evaluate, propose, and implement tools and automation solutions to streamline security related operations.
• Prepare detailed technical documentation for systems (both proposed and implemented), security processes, and user training.

Technical Skills and Experience

• 10+ years of hands-on IT infrastructure and security management.
• Long held experience of working within an enterprise scale organisation.
• Hands on experience of regular systems troubleshooting, patching, and updating.
• Must be skilled at investigating and remediating reported vulnerabilities, and have a proactive approach to solutions.
• Deep understanding of cybersecurity frameworks and tools (EDR, SIEM, MFA, PKI, DLP).
• Nessus VAPT reporting and remediation
• Strong expertise in:
• Microsoft technologies (Windows Server, Azure Active Directory)
• Virtualization platforms (VMware ESXi, Proxmox)
• Networking including Layer 2/3 switching, routing, VLANs, VPNs.
• Cloud environments (IBM Cloud, AWS, Azure) – deployments and architecture.
• Proficient in backup and disaster recovery technologies.
• Supporting end users

Certifications (Preferred)

• Microsoft Certified Professional
• AWS Certified Solutions Architect – Associate/Professional
• VMware Certified Professional (VCP)

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

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