Lead DevOps Engineer

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Lead DevOps Engineer

You keep our systems secure, easy to manage and running 24/7.


Hi there! We are Calendar42, thought leaders in the field of planning and mobility.

We plan.



Always the best match. Data driven, real-time, smart and logical.

What we do

At Calendar42 we develop algorithms for planning and mobility optimisation. This translates into a diversity of services that among other improve travel information, optimise trip planning for field organisations and simplify matchmaking of skilled workers.

The C42 platform enables organisations to continuously improve their (logistic) value chain by applying advanced algorithms to business processes that contain any form of planning. Our platform is actually the back-end of the back-end of our clients software. At the same time, due to the versatility of our team, we are a full service partner that creates, develops and rolls out end-to-end solutions.

We are active in various business markets including construction, temporary staffing industry, healthcare, public transportation, events and festivals industry, government, delivery services, insurance and financial services

We thank our knowledge and results to an international team of highly skilled professionals. These people are part of an ambitious, inquisitive and curious team in a growing organisation. Our team currently exists of 25 developers, UX designers and operational support staff.

Our workplace

We work in an inspiring open office in Delft, nearby the city centre. Our open and ambitious culture is endorsed by several aspects that we have incorporated in our work habits, like:

  • Daily healthy lunch with the team
  • Weekly team meetings
  • Monthly team meeting with input from all teams
  • Quarterly team building activities or outings
  • Regular afterwork drinks and activities
  • Office masseuse
  • Yoga class

Your mission

We are looking for a Lead DevOps Engineer who can supplement our team by making sure our systems are running 24/7, are secured and easy to manage, so he or she can contribute to our ultimate goal: making lives easier by (un)planning the future. You will be joining the Tech team, working closely with the Development team, Deployment team and other related functions to ensure new or upgraded services. You will work in a tech team with 15 enthusiastic people and you are able to manage several junior team members. Together you make sure that all our systems are running smootly.       

Key responsibilities

  • Coordinate with the developers, the deployment of new/upgraded services;
  • Monitor running services;
  • Think and architect secure infrastructures (networks and domains);
  • Document the processes involved;
  • Troubleshoot failures.

Experience & knowledge

  • 7+ years of working experience as a Senior DevOps Engineer in a complex environment;
  • Experience with Microservices Orchestration (Docker + Kubernetes), Cloud Operations and Salt/ Saltstack;
  • You are familiar with the Agile methodology;
  • Knowledge of network architectures/topologies and system security;
  • Strong verbal and written communication skills in English (the universal language of C42 is English).

Acquisition regarding this vacancy is not appreciated.