Career at DENIC

Vulnerability Management, Attack Surface Management (ASM), SIEM

What we offer:

• Extensive home office arrangements, flexible working hours through flexitime
• 30 days holiday plus Christmas Eve and New Year's Eve free
• Continuous further education and certifications
• Performance-related bonuses
• 100% reimbursement of public transport commuting expenses
• 40% employer contribution to the company pension scheme
• Capital-forming benefits, accident insurance
• Employer allowance for canteen, membership in a fitness center and company bike

Your tasks:

• Operation and further development of security management systems and associated processes in the areas of vulnerability, attack surface and SIEM
• Assessment of threats and vulnerabilities and development of mitigation measures
• Creation of technical guidelines and security concepts for implementation in systems and applications, preferably based on Critical Security Controls (CIS Controls)
• Conducting security analyses and penetration tests
• Supporting our technical teams in the implementation of security requirements
• Ensuring technical governance (including for the areas of endpoint, malware protection and vulnerability management)

Your profile:

• Degree in computer science or comparable training
• Several years of work experience in the field of information security
• In-depth knowledge of Unix/Linux
• In-depth knowledge and experience in the areas of vulnerability management, SIEM (ideally Wazuh), IDS, attack surface, single sign-on, identity and access management, cryptography, endpoint and directory security
• Experience in penetration testing and forensics
• Knowledge of common scripting languages and automation techniques
• Knowledge of virtualization and containerization (Kubernetes)
• Very good English and fluent German

Apply now

System and Infrastructure Support, LINUX

What we offer:

• Extensive home office arrangements, flexible working hours through flexitime
• 30 days holiday plus Christmas Eve and New Year's Eve free
• Continuous further education and certifications
• Performance-related bonuses
• 100% reimbursement of public transport commuting expenses
• 40% employer contribution to the company pension scheme
• Capital-forming benefits, accident insurance
• Employer allowance for canteen, membership in a fitness center and company bike

Key Responsibilities:

• As an experienced DevOps Engineer (m/f/d), you’ll be right at home managing systems and infrastructure and will be actively involved in the further development and operation of our services.
• We operate the authoritative name servers for the German ccTLD .de (and other TLDs), along with the necessary infrastructure, whilst placing a strong focus on stability and high availability.
• We place great importance on automating tasks; for us, information security and high availability are not a burden,
  but a challenge.
• Our technology stack includes, amongst others, Linux, VMware, SaltStack, Ansible, GitLab, Docker, Kubernetes, PostgreSQL, Grafana, Prometheus and ElasticSearch.
• We are constantly consolidating and expanding our skills by attending external and internal training courses and conferences.

Your profile:

• A degree or technical qualification, along with relevant or comparable practical experience – what you can do is more important than your qualification.
• You have at least 5 years’ professional experience in relevant fields.
• In-depth knowledge of Linux administration.
• Basic technical knowledge of the entire technology stack: operating systems, virtualisation, containers, data backup, monitoring, networks, storage and databases.
• Experience with automation tools and CI/CD pipelines.
• Knowledge of DNS / DNSSEC and nameserver software (BIND, Knot, NSD) would be an advantage.
• An advantage: Python, Golang, Bash.
• Experience with agile working methods (Scrum) is a plus.
• Fluent in German and good written and spoken English.
• Your strengths: quick on the uptake, solution-oriented thinking, good customer service.
• Your style: committed, self-reliant, a team player – with an eye for the ‘big picture’.

What we offer:

• 130 motivated people who want to make a difference together with you
• Flexible working hours thanks to flexitime and home office
• 30 days of holiday, Christmas Eve and New Year's Eve are free
• Continuous training and certification
• 100% reimbursement of public transport costs
• 40% DENIC contribution to company pension scheme
• VWL, accident insurance 24/7
• Employer subsidy for the canteen, fitness centre and job bike

WHAT’S IT ALL ABOUT?

Key Responsibilities

• You’ll develop services and APIs using Go (Golang) – with Python used as a supplementary language – for our big data and BI platform.
• You’ll build scalable backends for dashboards, data products and technical analyses.
• You’ll design, maintain and optimise data models and ETL/ELT processes that reliably feed our BI applications and reporting structures.
• You will automate recurring processes, e.g. using GitLab CI and Salt.
• You will ensure the stable operation of the data platform – including monitoring, fault analysis, deployment and continuous improvement.
• You will work closely with production systems: what you develop must run reliably, be maintainable and function effectively in production.

As part of the agile team

• You will work directly with analysts, data engineers and internal stakeholders to implement new requirements in a technically sound manner.
• You will integrate new data sources, automate recurring processes and ensure traceable data quality.
• You carry out technical proof-of-concepts for new tools, architectures and platform components.
• You play an active role in architectural decisions, code reviews and the operation of our platform.
• You act as a committed team player with an eye for clean solutions and stable systems.

Your profile:

Must

• A successfully completed degree in Computer Science, Mathematics, Business Informatics or an equivalent qualification (including those acquired through professional experience).
• Solid programming skills in Go/Golang; good knowledge of Python as a second language.
• Experience in developing backend services, APIs or data pipelines.
• Experience with SQL, data modelling and high-performance queries.
• Proficiency in using Git within a team environment.
• Experience with CI/CD pipelines (e.g. GitLab CI).
• Good command of German and English.

Plus

• Practical experience with Kubernetes or comparable container platforms.
• Experience in operating data pipelines or production-ready applications.
• Experience with monitoring, logging and fault analysis in a production environment.
• Knowledge of ClickHouse and Grafana.
• Experience with distributed databases, large data sets or analytical data platforms.
• Experience with Infrastructure as Code, containerisation or platform automation.
• In-depth knowledge of Linux.
• Experience with BI tools and their technical integration into a data platform.
• Understanding of data governance and data quality processes.
• Ability to explain technical matters in a way that is understandable to non-technical team members.
• Experience in agile software development, e.g. Scrum or Kanban.
• Proficiency in using modern development tools, including the effective use of support tools in day-to-day development work.
• A confident manner and a passion for interdisciplinary and international collaboration.

How to join us:

We look forward to receiving your detailed application, stating your salary expectations and earliest possible start date. Please note that we will temporarily store your data during the selection process.

Apply now