Cloud & IAM Security Architect — Zero Trust Lead

Hackajob Ltd; Greater London; On-site; GBP 95,000 - 120,000; Full time

Job summary

Hackajob Ltd in Hampshire is seeking a hands-on Technical Security Architect to design, develop and maintain security architectures across cloud, on-prem and hybrid environments. This is an active delivery role, not governance, with responsibility for detailed designs and guiding implementation teams.

You will lead security technology refreshes, IAM and cloud security workstreams, align with standards such as NIST and ISO 27001, and collaborate with enterprise and network architects to mature

Qualifications

• Significant experience as a Technical Security Architect, Security Architect or Senior Security Engineer.
• Strong technical expertise across IAM, network security, cloud security, endpoint security and secure platforms.
• Proven experience delivering security technology refresh, migration or modernisation programmes.
• Strong experience with AWS, Azure and/or GCP security architecture.
• Experience producing detailed technical architecture documentation.
• Strong understanding of threat modelling, risk and security architecture principles.
• Experience working within complex, regulated or formally accredited environments.
• Excellent communication skills and the ability to influence both technical and senior stakeholders.
• CISSP (or equivalent) and TOGAF and/or SABSA.

Responsibilities

• Design and deliver security architectures across cloud, on-premise, hybrid and air-gapped environments.
• Produce technical designs including HLDs, LLDs, architecture patterns and data-flow diagrams.
• Lead the refresh and evergreening of security technologies, including IAM, PAM, firewalls, EDR/XDR, SIEM, vulnerability management and cloud security.
• Evaluate new technologies through PoCs/PoVs and make clear, evidence-based recommendations.
• Design and review cloud, identity, network, perimeter and platform security solutions.
• Apply Zero Trust, defence-in-depth and threat-informed design principles.
• Ensure security architectures align with NIST, ISO 27001, CIS, NCSC and client security requirements.
• Act as a security design authority, providing technical guidance and architectural decisions.
• Work closely with enterprise, infrastructure, network and application architects to embed security across the technology landscape.
• Support security accreditation, risk assessments and client security reviews.
• Keep pace with emerging threats and technologies and identify opportunities to improve and simplify the security estate.

Skills

Technical Security Architect

Security Architect

Senior Security Engineer

IAM

Network security

Cloud security

Endpoint security

Secure platforms

Threat modelling

Stakeholder influence

CISSP

TOGAF

SABSA

Education

CISSP (or equivalent)

TOGAF

SABSA

Job description

Hackajob Ltd in Hampshire is seeking a hands-on Technical Security Architect to design, develop and maintain security architectures across cloud, on-prem and hybrid environments. This is an active delivery role, not governance, with responsibility for detailed designs and guiding implementation teams.

You will lead security technology refreshes, IAM and cloud security workstreams, align with standards such as NIST and ISO 27001, and collaborate with enterprise and network architects to mature