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Senior Managed Operational Security Consultant (EU and UK)

Become part of Quistor and experience an open, international work atmosphere in which you will feel at home from day one. We believe our company’s strength relies on commitment and responsibility each Quistorian contributes.

For our recently established Managed Operational Security (MOS) department, we are looking for an experienced IT Security Consultant based in the Netherlands, United Kingdom, Spain, Czech Republic or Belgium.

What will I do?

As a Senior Managed Operational Security (MOS) Consultant, you have the knowledge and experience required to keep our customers business-critical information technology systems secured by actively tracking vulnerabilities, implementing security patches, and pro-actively advising on security improvements.

Developing and implementing security standards, security best practices, and automations, conducting security assessments, participating in security audits, and promoting partner security products are also part of the job.

The Senior MOS Consultant works closely together with Customer- and Partner IT Security teams, Service Delivery managers, Account managers, Vendors, and the internal IT departments of Quistor.

As a Senior Consultant, you are stress-resistant and able to solve complex problems efficiently and diligently. Furthermore, you have the capabilities to participate in projects, to coach Medior and Junior consultants, and act as a team lead.

Required qualifications and experience

The Senior MOS Consultant has at least a bachelor’s degree in IT Security, or 5-10 years of professional work experience in the IT Security domain supported by information security professional certifications such as e.g. CEH, CISM, CISSP, CASP+, CISA, OSCP, CISO.


  • Takes initiative and is creative
  • Is able to make informed decisions
  • Reports clear and precise
  • Pays attention to detail and organizes the work efficiently
  • Eager to keep up with new technologies in the ever-changing world of Information Technology

Nice to have:

  • Knowledge of Ansible
  • DevOps experience
Why join us?

Quistor is a great place to work and to develop yourself. When choosing for Quistor, you will become part of globally acting organization with over 20 nationalities working for local and globally operating customers. We want to get to know the real you and support you wherever we can. In addition to our opportunistic ways of working we also can offer you:

  • A great deal of flexibility to working from home
  • Training and development opportunities, personally as well as professionally
  • A fun, fast-paced, and international environment
  • A wide range of competitive employee benefits

If you are ambitious, committed, and curious about how it feels to work for Quistor family, then send us your resume (with your contact details) and a small piece of motivational text in English to and we will contact you.