Security Architect - NIS2 & IAM Onsite Consultant

Keystone Solutions; Brussel; On-site; EUR 83,000 - 165,000; Full time

Job summary

Keystone Solutions is seeking a Security Architect consultant to define, review and govern security architectures for a client's NIS2 compliance and broader cybersecurity transformation. You will operate as a Keystone Solutions consultant, embedded with the client's security, risk and architecture teams on site.

Responsibilities include establishing principles, aligning with IAM/PAM and PKI, and providing governance oversight across regulatory obligations and technical controls.

Qualifications

• Master's degree in IT, information security or science in technology.
• Minimum 10 years of cybersecurity experience including security architecture and NIS2 projects.
• Minimum 1 year of risk assessment experience in the railway industry.
• Certifications: ISO 22301 Lead Implementer and ISO IEC 21500 Lead Implementer.
• Fluent English (C1), French and Dutch at C1 level.
• On-site presence required: client office up to five days per week.

Responsibilities

• Define, review and govern end-to-end security architectures for NIS2 compliance and transformation.
• Establish architectural principles and guardrails; review designs against NIS2, ISO 27001 and related controls.
• Align security architecture with IAM/PAM, PKI, risk outcomes and business continuity goals.
• Provide governance over security architecture decisions with traceability from risks to technical controls.
• Collaborate with cross-functional teams to validate requirements and ensure secure-by-design outcomes.

Skills

Security architecture

NIS2 compliance

IAM and PAM

PKI design

Risk assessment

Business continuity

Education

Master degree in IT or information security

Railway risk experience

ISO 22301 Lead Implementer

ISO IEC 21500 Lead Implementer

Job description

Keystone Solutions is seeking a Security Architect consultant to define, review and govern security architectures for a client's NIS2 compliance and broader cybersecurity transformation. You will operate as a Keystone Solutions consultant, embedded with the client's security, risk and architecture teams on site.

Responsibilities include establishing principles, aligning with IAM/PAM and PKI, and providing governance oversight across regulatory obligations and technical controls.