Part-Time ISO 27001 Security & Compliance Lead

Apptweak; Brussel Hoofdstad; Hybrid; EUR 40,000 - 66,000; Part time

Benefits offered by this job

Meal vouchers

Eco-vouchers

Health Insurance

RTT days

Hybrid work

Learning opportunities

Team events

Company retreat

Food culture

Job summary

AppTweak is a Belgium-based tech scale-up seeking a Security & Compliance Specialist on a 50% part-time basis. You will own the ISMS, oversee ISO controls, policies, and audit readiness, and partner with Legal on GDPR and data protection agreements.

You will support Deal Desk with security topics and build a reusable knowledge base for faster responses. You will collaborate with Engineering, HR and Legal to embed compliance into processes, raise security awareness, and push continuous

Qualifications

• Hands-on ISO 27001 experience (implementation, maintenance or audits).
• Good understanding of GDPR and common security topics (SLAs, data retention, access).
• Comfortable talking with engineers and sales; explain technical context clearly.

Responsibilities

• Own the day-to-day ISMS operations and keep it aligned with real work.
• Follow ISO control plan; ensure checks are done on time with proper evidence.
• Maintain the risk register and track corrective actions to closure.
• Support supplier classification per our tiering approach.
• Maintain and review security and compliance policies regularly.
• Keep policies clear, accessible and known by teams.
• Be the main audit contact and coordinate evidence gathering.
• Turn audit outcomes into concrete improvement actions.
• Act as first line for Deal Desk on non-development security questions.
• Help respond to RFPs and security questionnaires efficiently.
• Build and maintain a reusable knowledge base of approved answers.
• Ensure commitments to customers match our policies and actions.
• Collaborate with Engineering, DevEx, HR, Legal and Deal Desk.
• Raise awareness of security topics and onboard new joiners.
• Drive strategic projects like CAIQ end to end.

Skills

ISO 27001

GDPR

Audit coordination

Policy communication

Cross-functional

English fluent

Job description

AppTweak is a Belgium-based tech scale-up seeking a Security & Compliance Specialist on a 50% part-time basis. You will own the ISMS, oversee ISO controls, policies, and audit readiness, and partner with Legal on GDPR and data protection agreements.

You will support Deal Desk with security topics and build a reusable knowledge base for faster responses. You will collaborate with Engineering, HR and Legal to embed compliance into processes, raise security awareness, and push continuous