Cyber Security Specialist

Vacatures zoeken

Cyber Security Specialist

Den Haag

Cyber Security Specialist

We are looking for reinforcements for our Cyber Defense Center. Do you want to have a front-row seat to fascinating developments and opportunities for increased safety and security across our products and services?

Wat ga je doen?

As next-gen mobile networks provide higher speeds and lower latency, the way we use technology is changing dramatically. While improved connectivity introduces new challenges and risks for you to tackle, you will also have a front-row seat to fascinating developments and opportunities for increased safety and security across our products and services.  

Our Cyber Defense Center (CDC) provides detection and response capabilities on our most critical business assets responsible for delivering services to our customers.

You are primarily involved in analyzing and following up incidents. As a Cyber ​​Security Specialist you’ll work together with our MSSP on services and technologies such as SIEM, SOAR, CTI, Application Onboarding & Threat Modelling, EDR, Cloud Monitoring, and much more. How cool is this!?

You will be:

  • Working together with our MSSP, IT sourcing parties and other security partners;
  • Coordinating and oversee security incidents involving multiple teams throughout the organization;
  • Working together with the international Cyber ​​Security community;
  • Working together with our MSSP to configure and improve our CDC services and technologies such as EDR, Cloud Monitoring, SIEM, CTI, SOAR and much more;
  • Supporting our risk officers with identifying risks of a technical nature.

Waar kom je te werken?

The Cyber Defense Center is part of the Governance Risk and Compliance [GRC] team, which provides company wide support and advice in implementing and guaranteeing security in our products and services.

As a Cyber ​​Security Specialist, you’ll work in a mixed team of specialists of both T-Mobile and our security partners. You are actively involved in improving our detection and response capabilities.

T-Mobile is not just any company. We are the largest mobile telecom operator in the Netherlands. With our best-tested mobile network – 5 years in a row – and our growing fixed network, we offer everyone in the Netherlands the opportunity to be connected. With our challenger mindset we have grown into the largest mobile provider in the Netherlands and we are now the main challenger in the fixed internet market. With more than 2,000 enthusiastic colleagues, we ensure that our customers can stay in touch with their loved ones and their business contacts. Wherever they are, super fast and hassle free. 

Wat breng je mee?

You are an expert in Cyber ​​Defense and you have at least 5 years of professional experience in Cyber ​​Security. You see the big picture and quickly understand relevant interactions between the processes that make up our products and services. With your “challenger” mindset and from a security standpoint you are able to keep these processes up to date, implement new controls and further optimize existing ones together with our Managed Security Service Provider. Furthermore, you are analytical, stress resistant and you know how to connect with all relevant stakeholders.

In addition, it is important that you:

  • Have at least a Bachelor's degree, preferably in IT/Security;
  • Have experience in the field of IT Security, Cyber ​​Security, Cyber ​​Threat Intelligence, Incident Response & Forensics, Application Onboarding & Threat Modelling and Vulnerability Management;
  • Knowledge  and/or experience in analyzing various attack techniques and resources, such as MITRE ATT&CK, Cyber Kill Chain, rootkits, malware, Phishing, etc.;
  • Are familiar with security technologies and methodologies, such as SIEM, SOAR, EDR, IDS/IPS, Firewalls, etc.;
  • Have at least 1 of the following or comparable certifications: GCIH, CEH, CISSP and/or CISM

A pre-employment screening is part of the application procedure.

Wat bieden we jou?

What we offer: 

-A competitive gross monthly salary, based on your skill and experience;
-Good pension plan;
-Travel allowance and mobile phone;
-The opportunity to grow with the company;
-A personal learning budget;
-Flexibility and the possibility to work from home.

Wat ga je bij ons leren?

You are responsible for your own development and you therefore determine how, what and when you learn. We support you in this! Visit for more information.

Together we provide challenging work that evolves with you. 


You are in the lead, so old-fashioned performance interviews and assessments, we don't do that. You ensure that your manager and your colleagues are aware of your goals and development. We call this Great Conversations, you can read more information about this at

Lees meer

Hoe verloopt jouw
sollicitatie procedure?

Hebben we je overtuigd?
Kom kennismaken en solliciteer!

Wat bieden wij jou?
Een aantal van onze mooie arbeidsvoorwaarden

Geen geschikte vacature?

Meld je aan voor een Jobalert en krijg per
e-mail bericht zodra de vacature beschikbaar komt of stuur een open sollicitatie