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Umbrella Unternehmensberatung GmbH

Senior IT Security Consultant – ISMS, ISO 27001, BSI IT-Grundschutz, Audit

Umbrella Unternehmensberatung GmbH

Senior IT-Security-Consultant managing ISMS, ISO 27001 compliance, and audit processes in a consulting firm. Focus on strategic security solutions for clients with a hybrid work model.

Posted 7/11/2026full-timeBerlin • 🇩🇪 GermanySenior💰 €85,000 - €115,000 per yearWebsite

Tech Stack

Tools & technologies
Firewalls

About the role

Key responsibilities & impact
  • Establishing, implementing, and further developing ISMS based on ISO 27001 and BSI IT-Grundschutz
  • Planning, conducting, and following up on internal audits, and supporting external audits and certifications (e.g., ISO 27001)
  • Performing protection-needs assessments and risk analyses
  • Developing policies, processes, and security concepts
  • Conducting gap analyses and maturity assessments
  • Advising management and departments on compliance, information security, and incident management
  • Supporting the selection, implementation, and operation of security solutions (e.g., SIEM, IAM, firewalls, endpoint security)

Requirements

What you’ll need
  • Degree in Computer Science, IT Security, Business Informatics, or a related field
  • Several years of experience in the ISMS environment, ideally in consulting or in security-critical industries
  • Practical experience with ISO 27001 and/or BSI IT-Grundschutz
  • Experience in auditing or supporting certifications is a plus
  • Ideally certified (ISO 27001 Lead Auditor/Implementer, CISSP, CISM, etc.)
  • Analytical thinking, structured working style, strong communication skills, and a confident demeanor with clients
  • German language skills at C1/C2 level

Benefits

Comp & perks
  • 30 days vacation
  • Coverage of certification costs (ISO, BSI, ISACA, etc.)
  • Flexible working hours without fixed core hours
  • Modern tool environment and structured project methodology
  • Bike leasing (JobRad), mobility subsidies (e.g., BVG/Germany ticket), and company pension plan
  • Collaborative, partnership-based working culture with open and direct feedback

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Hard Skills & Tools
ISMSISO 27001BSI IT-GrundschutzInternal AuditsRisk AssessmentsSecurity PoliciesGap AnalysesMaturity AssessmentsIncident ManagementSecurity Solutions
Soft Skills
Analytical ThinkingStructured Working StyleStrong Communication SkillsConfident Client Interaction
Certifications
ISO 27001 Lead AuditorISO 27001 Lead ImplementerCISSPCISM