Principal Consultant

 Location: UK - London, UK - Reading, UK - Hatfield, UK - Nottingham, UK - Manchester, UK - Birmingham, UK - Milton Keynes, UK - Edinburgh | Job-ID: 214262 | Contract type: Standard | Business Unit: IT Consulting

Life on the team
At Computacenter, we support enterprise-scale organisations in securing their digital operations and advancing their security strategies. As part of our Group Professional Services (GPS) division, you'll join a network of over 1,000 technology professionals who collaborate across borders to deliver industry-leading solutions.

This role offers the opportunity to shape and deliver cutting-edge security architectures that span Secure Access Service Edge (SASE), identity and access management, cloud security, and data centre protection. As a Principal Consultant, you'll work directly with major enterprise customers, playing a strategic role in advisory, design, and technical delivery.

What you'll do

• Provide expert guidance across SASE/SSE, PAM, detection, and data centre security technologies
• Be involved customer engagements, providing advisory services, architecture guidance, roadmap planning, and solution governance
• Define and document high and low-level solution designs, technical requirements, and delivery frameworks
• Engage in strategic customer meetings to translate business needs into technical strategy
• Collaborate with vendors and partners (notably Zscaler) to stay current on product developments and influence future solutions
• Support opportunity qualification and technical costing in pre-sales engagements
• Deliver robust governance and due diligence throughout the solution lifecycle

What you'll need

• Proven experience leading security architecture engagements at the enterprise level
• Expertise in Secure Access Service Edge (SASE) and Secure Service Edge (SSE), especially with Zscaler
• Experience in at least three enterprise Zscaler SSE/SASE projects
• Ability to provide presales advisory, requirements gathering, and high-level solution design
• Strong understanding of Zscaler architecture and troubleshooting
• Broad knowledge across IAM, SSO, MFA, PAM, and IDaaS
• Strong background in core security technologies such as firewalls, IDS/IPS, endpoint protection, and encryption
• Comfortable working with cloud platforms and designing secure architectures across Azure, AWS, or Google Cloud
• Ability to lead technical conversations, influence customer decisions, and deliver trusted advisory services
• Existing SC clearance or eligibility to apply

Desirable Skills & Certifications

• Familiarity with industry security frameworks (e.g., NIST, ISO 27001, CIS Controls)
• Cloud security experience across major hyperscalers
• Required Certifications:
• Zscaler Certified Architect (ZCA)
• Zscaler Certified Engineer (ZCE)

Advantageous Certifications

• Palo Alto Networks Certified Cloud Security Engineer (PCCSE)
• Palo Alto Certified Network Security Consultant (PCNSC)
• Palo Alto Certified Network Security Engineer (PCNSE)
• CyberArk Certified Delivery Engineer (CDE)

Be the driving force behind enterprise security innovation—join Computacenter and make a lasting impact on our customers' digital resilience.

Ready to take the next step? We'd love to hear from you.

About us

With over 20,000 employees across the globe, we work at the heart of digitisation, advising organisations on IT strategy, implementing the most appropriate technology, and helping our customers to source, transform and manage their technology infrastructure in over 70 countries. We deliver digital technology to some of the world's greatest organisations, driving digital transformation, enabling people and their business.