Infrastructure Security Delivery Lead

Lorien; Bracknell; On-site; GBP 70,000 - 90,000; Full time

Job summary

A top retail client in the UK is seeking an Infrastructure Security Delivery Lead on a 12-month contract. You will lead the delivery of critical security projects including ZTNA implementation, manage vendor relationships, and ensure operational excellence. Candidates should have extensive experience in large-scale infrastructure and security programmes, strong service delivery management skills, and technical expertise in security tools. This role provides a great opportunity to influence transformation in a high-demand environment.

Qualifications

• Extensive experience in delivering large-scale infrastructure and security programmes.
• Strong background in service delivery management.
• Excellent stakeholder engagement and negotiation skills.
• Technical expertise in various security tools.
• A solution-focused mindset with a passion for innovation.

Responsibilities

• Lead the delivery of a ZTNA VPN replacement project.
• Govern service delivery across multiple vendors.
• Build and maintain strong relationships with stakeholders.
• Oversee service design and introduction.
• Manage operational and cost risks.
• Develop business cases and deployment plans.

Skills

Large-scale infrastructure delivery

Service delivery management

Stakeholder engagement

Technical expertise in Zscaler

Solution-focused mindset

Experience in retail

Tools

Zscaler

Palo Alto

NSX

VPN

SOC/SIEM

AD

MFA

SSO

VMware

Hybrid cloud

Job description

Our top retail client are looking for an Infrastructure Security Delivery Lead to join them on a 12 month contract basis.

This role is needed to spearhead critical programmes across Security, Network, and Data Centre Services. This role is pivotal in delivering a robust Zero Trust Network Access (ZTNA) implementation and driving strategic infrastructure transformation.

Key Responsibilities:

• Lead the delivery of a ZTNA VPN replacement project, ensuring performance, stability, and security across the enterprise.
• Govern service delivery across multiple vendors and managed service providers, ensuring alignment with SLAs, KPIs, and contractual obligations.
• Build and maintain strong relationships with internal stakeholders and external partners to ensure seamless end-to-end delivery.
• Oversee service design and introduction, ensuring new solutions are operable, scalable, and aligned with cybersecurity and architectural standards.
• Manage operational and cost risks, ensuring infrastructure platforms remain secure, robust, and performant.
• Develop business cases and deployment plans for future ZTNA use cases, with a focus on long‑term value and operational excellence.

What You'll Bring:

• Extensive experience in delivering large-scale infrastructure and security programmes in high‑demand environments.
• Strong background in service delivery management, including vendor governance, service transition, and continuous improvement.
• Excellent stakeholder engagement and negotiation skills, with the ability to influence at all levels.
• Technical expertise in areas such as Zscaler, Palo Alto, NSX, VPN, SOC/SIEM, AD, MFA, SSO, VMware, and hybrid cloud.
• A solution‑focused mindset with a passion for driving innovation and operational excellence.
• Experience in retail (online and physical).
• Specific experience with the Zscaler suite of Zero Trust solutions.

To apply for this opportunity please submit your CV.

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.