Is this you?

Skills that will come in handy in this job.

You're analytically minded

Main or side issue? You see the difference at once. You get to the heart of matters with ease while maintaining an overall view.

You're customer focused

If the customer is happy, you're happy. You ask the right questions, listen carefully and keep going until the problem at hand has been resolved.

You always find a solution

You turn problems into possibilities. You investigate them thoroughly and have a knack for exposing possible causes.

You take the initiative

Wait and see? That's not your style. When a choice is needed, you decide fast and smart.

You're in control

Objectives exist to be achieved; you make it happen. You make realistic plans, delegate responsibilities and maintain the broad view.

You're part of the team

You're a sociable person and go out of your way to help your colleagues, even if it means setting your own interests aside.

What we offer

You give your best every day, because it makes you happy – and because of these benefits. Based on a 40-hour working week, you can count on:

A salary that grows

A gross monthly salary between
€4.800 and €5.900, with personal growth potential and a collective salary increase of 2.8% in January 2027.

Flexible budget on top

A Benefit Budget of 14.95% (including 8% holiday allowance) comes on top of your gross salary. Have it paid out, buy extra days off or save it for later.

Unlimited Learning

Training to boost your skills, a personal job coach, and thousands of free options to keep growing.

Vodafone mobile plan

You’ll receive a Vodafone subscription from us, and we’ll sponsor your new phone with €425. Every two years again.

NS-Business Card of your choice

An NS Business Card of your choice. Including first-class travel in your own time.

Discount on our brands

Discounts on many Vodafone, Ziggo, and hollandsnieuwe products. Plus extra fast service for any questions. For you, your friends, and your family.

Pension

A pension plan, with the option to save extra on top.

Giving back

Make an extra impact on society during working hours. Help seniors and children stay safe online through our educational programs.

Parental leave

We will supplement your salary to 100% for the 9 weeks of parental leave in the first year after birth, up to the statutory maximum daily wage.

Partner leave

Expecting a little one? We cover 6 weeks of partner leave and 9 weeks of parental leave at 100% salary.

Hybrid working

The option to work from home for 2 to 3 days a week instead of at the office, plus an internet allowance.

Annual bonus

An annual personal bonus, based on VodafoneZiggo's yearly results.

What you bring

You bring strong PKI and security knowledge, customer focus and ownership. You understand certificate lifecycle management, certificate profiles, extensions, ACME, CMP, EST, SCEP and validation methods such as DNS-01 and HTTP-01. You apply security principles in a regulated enterprise environment and understand cryptography and protocols such as RSA, ECC, AES, SHA, TLS/SSL, HTTPS, S/MIME and code signing. You analyse issues related to onboarding, DNS, Linux, pipelines and certificate chains, and continuously improve documentation, self-service, automation and the user experience.

Job requirements

Experience as a PKI, Security, DevOps or Platform Engineer.
Knowledge of PKI, certificate management and certificate profiles.
Familiarity with ACME, CMP, EST, SCEP, DNS-01 and HTTP-01.
Knowledge of RSA, ECC, AES, SHA, TLS/SSL and HTTPS.
Experience with scripting, CI/CD tooling and pipelines.
Strong troubleshooting skills for DNS, Linux and certificate chains.
Customer-focused, strong communicator and good at documentation.
Agile team player; knowledge of CRL, OCSP or PQC is a plus.

Important: this role is only open to candidates currently residing in the Netherlands. If you do not currently live in the Netherlands, your application will not be considered.