Back end developer


Cybersecurity is here to stay; it is current and it is a challenge. We offer our customers the very best, consistent managed cybersecurity solutions and you enjoy taking initiative with this. You know how to assist our customers with complex questions. Every customer has its own policy and vision, so your contribution to our specialist services is always customized. You have a winner’s mentality and you make sure to take care of whatever is thrown your way.

What you will be doing as Back End Developer

The team you will be part of designs, manages and improves our company’s internal infrastructure, striking a balance between applying the latest technology and running a stable, reproducible infrastructure. This requires a lot of automation. Your days consist mainly of technical, hands-on work. You manage and develop all of ON2IT’s data centers, consisting of two physical data centers and two public cloud environments. You work with different and new techniques and improve them. For example: Kubernetes on bare metal, Couchdb, ELK, various databases, CGP, AWS, Azure and all networking and security. You don’t have to know everything, but we do expect you to have a strong grasp on the following techniques:

  • Docker
  • Kubernetes
  • Linux
  • Various orchestration tools
  • AWS (EC2, S3, IAM, ECS, RDS, CloudTrail)
  • GCP (K8s, networking, etc)
  • CCNA
  • Big data databases (maintenance and architecture)

As a member of our DevOps team you will be working together with fifteen colleagues, four of which are Ops.

Your responsibilities include:

  • Automating and optimizing software and systems
  • Maintenance releases
  • DC failover tests
  • Planning and mapping capacity management
  • Monitoring, dashboarding, alerting and logging tools
  • Code reviews on security, information security
  • Contributing with and developing smart IT solutions and processes
  • Keeping up with IT developments and implementing new tools and processes


About you

You have a passion for technology, you are smarter than most people and you are a strong troubleshooter. You know how to turn half-baked things into something useful for us and our customers and for this you only need half a word. You have a flexible work attitude and in addition, you bring with you:

  • Bachelor’s or Master’s degree, preferably in Software Engineering or Information Technology;
  • At least 1 year of experience with Linux, Kubernetes, networking, security and scripting;
  • Experience with VMware and VDI is a plus;
  • A natural drive to learn more and new technologies in as much detail as possible;
  • Excellent command of the Dutch and English language (spoken and written);
  • A proactive and alert attitude.
About us

“Never trust, always verify.” At ON2IT Cybersecurity, we operate according to the Zero Trust strategy to assist our clients in preventing data breaches. Should there be any (international) breach for any reason, we guarantee to inform our clients within minutes about the cause, which data has been compromised, and whether the issue has been resolved. Everything we do revolves around the safety of the customer, and we do it with passion. We work with clients in sectors including retail, healthcare, finance, and government.

We are an ambitious global player in cybersecurity, operating in both Europe and North America. With our ambition, we lead in Zero Trust, innovation, and solutions. We have an informal and open culture, and you’ll work with colleagues who inspire each other every day. Together, we’re building an even brighter future.

We offer ample opportunity to continue to develop yourself by aiding you in furthering your education and encouraging you to follow training courses. A varied and well catered lunch will be available at the office every afternoon.

You will also receive:

  • 24 vacation days per year, with the option to purchase extra days.
  • Mobility allowance.
  • Possibilities for remote work (1 or 2 days per week).
  • A good pension scheme.
  • Opportunities for career advancement.
  • Unlimited Learning: unlimited access to training and courses.

If you have any questions about the application process, feel free to call or send a WhatsApp message to Sharon Kuling, corporate recruiter, at +31 (0)6 10 04 92 95.

This application process involves two rounds of interviews and an assessment. After this, we discuss the terms of employment in a separate interview. Positive completion of a screening is part of your onboarding.