DevOps Engineer Roaming & Fraud

at  KPN

Company Description
At KPN, we are at the forefront of digital innovation in the Netherlands, working with cutting-edge technologies like 5G to connect the country to the world. As part of the Mobile Networks department, our Roaming & Fraud team ensures the highest standards in network quality, security, and compliance, especially in the global realm of mobile telecommunications.
You’ll join a multidisciplinary team of 9 senior engineers with expertise in roaming and fraud prevention. We pride ourselves on a 24/7 support mindset and work with international partners to deliver seamless mobile services.
Our team is committed to collaboration, with a hybrid work schedule that includes two office days per week in Zoetermeer, a location conveniently accessible by public transport. We will move to HQ Rotterdam in 2025.
At KPN, you’ll find an environment that encourages innovation and continuous improvement, with a focus on developing new technologies like VoLTE and outbound roaming.
Job Description
As a DevOps Engineer (Roaming & Fraud) at KPN, you will play a pivotal role in ensuring the operational excellence of our global mobile network. You’ll focus on maintaining and optimizing our roaming services, preventing fraud, and providing our customers with a reliable and secure experience abroad. Your work will involve balancing operational support with development, including the automation of tasks and implementing smart solutions for efficiency.

Key responsibilities include:

• Coordinating with both internal teams and external international partners to ensure smooth integration and service delivery.
• Leading innovation initiatives, such as the deployment of new technologies (e.g., 5G, VoLTE) and enhancing fraud detection mechanisms.
• Acting as a point of contact for technical environments, systems, infrastructures, and security protocols.
• Handling complex incidents, often under time pressure, and ensuring high customer satisfaction.
• Managing and optimizing the Roaming & Fraud platform (RAF), including configuration, monitoring, and resolving incidents.
• Participating in a rotating on-call schedule, providing 24/7 support for critical issues.

You will thrive in this role if you are analytical, proactive, and driven by results, with the ability to manage multiple projects and coordinate across teams.
Qualifications

To be successful as a DevOps Engineer (Roaming & Fraud), you should have:

• Strong experience with mobile networks, particularly in roaming and fraud prevention technologies.
• In-depth knowledge of protocols such as SS7, Diameter, SIP, INAP, and IP.
• Proficiency with Linux/Unix systems and familiarity with monitoring tools (e.g., Tekelec, Radcom, Datamon).
• Fluency in English is essential, as it’s the main language within the team.
• The ability to work independently and take initiative, with a strong sense of responsibility.
• Willingness to participate in an on-call rotation (once every five weeks).
• A collaborative spirit and an Agile/DevOps mindset, with the ability to adapt and grow in a dynamic environment.

This position offers the opportunity to work at the heart of technological advancement in telecommunications, with a focus on security, innovation, and operational excellence. You’ll be part of a diverse, supportive team, contributing to the next wave of mobile network innovation.
Additional Information

Of course, as an employer, we also have a lot to offer you. Here’s what you can expect from us:

• A gross monthly salary ranging from a minimum of €4.478,- to a maximum of €6.734,- based on a 37-hour work week, offcourse depending on your work experience.
• Flexible working hours up to 40 hours per week, potentially increasing your gross salary by up to 8.5%.
• A 10.5% allowance on your gross monthly salary (including 8% holiday pay).
• A variable bonus scheme of 7%.
• Annual individual and collective salary increases in accordance with our CAO.
• Excellent career development and training opportunities, with a personal training budget of €1500. In fact, we expect you to keep developing yourself!
• A good work-life balance (e.g., 2 days at the office, 3 days at home, transition leave, holiday exchange for a holiday of your religious or cultural preference).
• A home work shop to optimize your home working environment, including a mobile phone and laptop.
• 50% discount on KPN products and services, such as KPN internet.
• A commuting allowance: such as our bicycle allowance of €0.40 per kilometer, or €0.23 per kilometer by car, or full reimbursement for 2nd class public transport. Additionally, you will receive a €10 monthly internet allowance and a home work allowance of €2.35 per day.
• Excellent pension conditions: a total contribution of 23% of your pensionable salary, with KPN contributing 16% and you contributing 7%.

Our belief in technology is strong. It becomes even more powerful when combined with human contact, which is why we look forward to meeting you!
Want to know more? Contact our recruiter Rutger Schröder via rutger.schroder@kpn.com.

• Coordinating with both internal teams and external international partners to ensure smooth integration and service delivery.
• Leading innovation initiatives, such as the deployment of new technologies (e.g., 5G, VoLTE) and enhancing fraud detection mechanisms.
• Acting as a point of contact for technical environments, systems, infrastructures, and security protocols.
• Handling complex incidents, often under time pressure, and ensuring high customer satisfaction.
• Managing and optimizing the Roaming & Fraud platform (RAF), including configuration, monitoring, and resolving incidents.
• Participating in a rotating on-call schedule, providing 24/7 support for critical issues