Zero-Trust Security Architect & Hands-On Consultant

Tata Consulting Services, PLC; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Tata Consultancy Services, PLC is seeking a cybersecurity consultant to advise enterprise clients on zero-trust architecture, identity, and incident readiness—from assessment through hands-on implementation. You will work with banking, insurance, and public sector clients to review architecture, model threats, and implement controls.

You will translate risk into a prioritized remediation roadmap and collaborate closely with client platform teams on identity, segmentation, and telemetry.

Qualifications

• Minimum 4+ years in security consulting or engineering.
• CISSP, CISM, or equivalent — or plan to obtain within first year (sponsored).
• Direct experience advising on or implementing security architecture for enterprise environments.
• Familiarity with financial-services or public-sector compliance regimes.
• Experience running client workshops with senior security leaders and engineers.

Responsibilities

• Lead architecture reviews, threat modelling sessions, and control gap assessments.
• Translate risk findings into a prioritized remediation roadmap.
• Work hands-on with client teams on identity, segmentation, and telemetry.
• Deliver workshops with a CISO and technical platform engineers.

Skills

Security consulting

Threat modelling

Architecture reviews

Client-facing communication

Education

CISSP or CISM

Job description

Cybersecurity consultant

You'll advise enterprise clients on zero-trust architecture, identity, and incident readiness - assessment through to hands-on implementation.

About the role.

You'll advise enterprise clients across banking, insurance, and public sector on security posture - from architecture review and threat modelling through to hands-on implementation of identity, segmentation, and detection controls.

Our clients don't need another slide deck telling them they're at risk. They need someone who can sit with their platform teams and get zero-trust principles actually implemented, on their timeline, without breaking the systems that run their business.

Lead architecture reviews, threat modelling sessions, and control gap assessments against frameworks like NIST, ISO 27001, and industry-specific regulation.

Advise

Translate risk into a roadmap

Turn assessment findings into a prioritised remediation plan the client's engineering teams can actually execute against.

Implement

Get hands-on where it counts

Work directly alongside client teams on identity, network segmentation, and telemetry implementation - not just advisory from the sidelines.

What you'll bring

What we're looking for.

Must have

4+ years in security consulting or engineering

Direct experience advising on or implementing security architecture for enterprise environments.

Must have

A recognised certification

CISSP, CISM, or equivalent - or a clear path to obtaining one within your first year, which we'll sponsor.

Preferred

Regulatory framework depth

Familiarity with financial-services or public-sector compliance regimes (PCI DSS, DORA, FedRAMP, or local equivalents).

Preferred

Client-facing consulting experience

Comfortable running a workshop with a client CISO as well as a technical deep-dive with their platform engineers.

Ready to apply for Cybersecurity consultant?