Zero Trust Security Architect - London

Accenture Infrastructure and Capital Projects, LLC; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

Accenture is seeking a Zero Trust Security Architect to design, implement and optimise enterprise‑scale security architectures. You will lead architecture governance, craft strategic roadmaps, and collaborate with cross‑functional teams to secure networks, applications, and endpoints.

You will gain hands‑on experience with Zscaler platforms and identity providers, while shaping secure transformation across environments. Flexible London hybrid work & travel to client sites required.

Qualifications

• Extensive experience in cybersecurity architecture or senior engineering roles.
• Hands-on expertise with leading Zero Trust platforms (ZIA, ZPA, ZDX) and client connectors.
• Deep knowledge of Zero Trust frameworks (NIST 800-207, SASE, SSE) and IAM (Azure AD, Okta).

Responsibilities

• Architect and implement enterprise Zero Trust architectures for users, devices, apps, and data.
• Lead design sessions and establish secure access patterns with cloud security and SASE.
• Drive Zero Trust strategy, governance, threat modelling and secure-by-design principles.
• Troubleshoot deployment issues, monitor telemetry, and mentor security teams.

Skills

Zero Trust security

Security architecture

Zscaler ZIA

Zscaler ZPA

Zscaler ZDX

Identity & access mgmt

SD-WAN design

Endpoint security

Cloud security

Security leadership

Tools

Zscaler ZIA

Zscaler ZPA

ZDX

Entra AD

Okta

CrowdStrike

DLP

Job description

Role: Zero Trust Security Architect
Career Level: Consultant / Manager
Location: London/hybrid
Travel/Mobility Requirement: Flexibility to travel to client site where required

Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application.

Accenture is a leading global professional services company, providing a broad range of services in strategy and consulting, interactive, technology and operations, with digital capabilities across all of these services. With our thought leadership and culture of innovation, we apply industry expertise, diverse skill sets and next-generation technology to each business challenge.

We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too.

“Across the globe, one thing is universally true of the people of Accenture: We care deeply about what we do and the impact we have with our clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO

In our team you will learn:

How to design, implement, and optimise enterprise-scale Zero Trust security architectures. You will gain hands‑on experience with leading Zero Trust platforms such as Zscaler and develop a strong understanding of modern identity‑centric, cloud‑first security models. Working alongside cross‑functional teams, you will help to shape secure architectures, define strategic roadmaps, and support secure transformation across networks, applications, and endpoints.

As a Zero Trust Architect, your responsibilities will include:

Architecture & Design

• Leading the design and implementation of Zero Trust architectures for enterprise environments, covering users, devices, applications, and data.
• Establishing secure access patterns using cloud‑based security and zero‑trust platforms (e.g., Zscaler ZIA, ZPA, ZDX)
• Creating enterprise‑wide security blueprints and reference architectures aligned with Zero Trust principles (NIST 800‑207, CISA).
• Designing scalable identity‑centric security controls using SSO, MFA, device posture, and least‑privilege access models.
• Collaborating with networking teams to modernize WAN and remote access using cloud security and SASE frameworks.

Implementation & Hands‑On Engineering

• Deploying, configuring, and optimising Zero Trust technologies, including:
• Policy creation and fine‑tuning (e.g., URL filtering, DLP, CASB, FWaaS).
• Managing App segmentation and connector deployment.
• Zero Trust Client Connector configuration and rollout.
• Integrating Zero Trust solutions with identity providers (Entra AD, Okta), SIEM/SOAR systems, and endpoint platforms such as CrowdStrike etc.
• Collaborating with infrastructure teams to migrate legacy VPN, proxy, and firewall solutions to cloud native Zero Trust models.
• Conducting proof‑of‑concept evaluations and technical validation sessions.

Security Leadership & Strategy

• Driving the organization’s Zero Trust strategy and security roadmap.
• Providing architectural governance and ensuring security best practices across projects.
• Conducting threat modelling, gap assessments, and risk evaluations for critical applications and network paths.
• Advocate for the adoption of modern security frameworks and secure‑by‑design principles.

Operations & Optimization

• Troubleshooting Zero Trust deployment issues, performance concerns, and identity‑related access failures.
• Monitoring and tuning telemetry, logs, and analytics to maintain optimal operational performance.
• Providing technical mentorship and training to internal security and networking teams.

The following skills and experience are essential for this role:

Technical Expertise

• Extensive experience in cybersecurity architecture or senior engineering roles.
• Strong hands‑on expertise with:
• Zscaler ZIA, ZPA, ZDX or similar
• Zscaler Client Connector
• App Connectors, Cloud Firewall, Cloud Sandbox, DLP, CASB
• Deep understanding of:
• Zero Trust frameworks (NIST 800‑207, SASE, SSE)
• Identity and access management (Azure AD, Okta, Ping)
• Modern network design (SD‑WAN, DNS security, routing fundamentals)
• Endpoint security (EDR/XDR, device posture assessment)

Soft Skills

• Strong communication and stakeholder management skills.
• Ability to translate complex security concepts into business‑friendly language.
• Experience working within large, matrixed enterprises.
• Proven ability to lead cross‑functional initiatives.

Set yourself apart:

By showcasing the following:

• Zscaler Certification (ZCCA‑IA, ZCCA‑PA, ZCCP)
• CISSP, CCSP, or similar security credentials
• Cloud certifications in Azure, AWS, GCP (highley desirable)
• Certifications form other leading SASE/SSE vendors, such as Palo Alto Prisma, Netskope are advantageous
• Network certification such as CCNA or equivalent

What’s in it for you

• At Accenture in addition to a competitive basic salary, you will also have an extensive benefits package which includes 30 days’ vacation per year, private medical insurance and 3 extra days leave per year for charitable work of your choice!

Flexibility and mobility are required to deliver this role as there may be requirements to spend time onsite with our clients and partners to enable delivery of the first‑class services we are known for.

About Accenture

Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services—creating tangible value at speed and scale. We are a talent- and innovation‑led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities.

Visit us at www.accenture.com

Equal Employment Opportunity Statement

We believe that no one should be discriminated against because of their differences.All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, sexual orientation, gender identity or expression, marital status, citizenship status or any other basis as protected by applicable law.Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.