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

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

Your responsibilities:

• You will actively develop our financial and project controlling processes and ensure transparency to support well-informed business decisions.
• You will analyse financial indicators, cost centres and project developments, identify trends and derive recommendations for action.
• You will produce meaningful cost centre evaluations, reports and management analyses for the Executive Board and specialist departments.
• You will take responsibility for budget planning and forecasts and play an active role in investment decisions.
• You will provide commercial support for projects, assist with profitability assessments and ensure transparency regarding costs, resources and results.
• You enjoy setting up and further developing modern reporting structures and dashboards, contributing your own ideas and best practices in the process.
• You will optimise processes, data structures and tools in the finance department and play an active role in shaping digital development.

Your profile:

• You have successfully completed a degree in business administration with a specialisation in Controlling or hold a similar qualification.
• You have relevant experience in Controlling as well as a solid understanding of accounting in accordance with the German Commercial Code (HGB) and the interrelationships between the balance sheet and profit and loss account, ideally from a medium-sized business environment.
• Excellent Excel skills as well as experience with ERP systems and BI and reporting tools.
• You will actively help shape our controlling and reporting tools and contribute new ideas for their further development.
• You have high standards of accuracy and quality and are a team player.

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

Focus: Software development & operations

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:

• You will develop and maintain applications, back-ends and interfaces for our big data and BI platform.
• Your focus will be on developing services and APIs using Go and Python. You will develop scalable back-ends for dashboards, data products and technical analyses.
• You will implement automation using GitLab and Salt
• You will design, maintain and optimise data models as well as ETL/ELT processes that reliably support our BI applications and reporting structures.
• Together with the team, you will ensure the stable operation of our 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 transparent data quality.
• You will carry out technical proof-of-concepts for new tools, architectures and platform components.
• You will play an active role in architectural decisions, code reviews and the operation of our platform.
• You will act as a committed team player with an eye for clean solutions and stable systems.

Your profile:

Required

• A successfully completed degree in Computer Science, Mathematics or Business Informatics, or an equivalent qualification.
• Solid programming skills in Go and Python.
• Experience in developing backend services, APIs, data pipelines or automations.
• Proven experience with CI/CD pipelines.
• Extensive experience in the database environment, particularly SQL, data modelling and high-performance queries.
• Experience in operating data pipelines and production-ready applications.
• Confident use of Git in a team context.
• In-depth knowledge of Linux.
• Practical experience with Kubernetes or comparable container platforms.
• Experience with monitoring, logging and error analysis in a production environment.
• Experience with BI tools and their technical integration into a data platform.
• Confident manner and enjoyment of interdisciplinary and international collaboration.
• Very good command of German and English.

Plus

• Knowledge of ClickHouse and Grafana.
• Experience with distributed databases, large data sets or analytical data platforms.
• Understanding of data governance and data quality processes.
• Experience with Infrastructure as Code, containerisation or platform automation.
• Ability to explain technical matters in a way that is understandable to non-technical team members and stakeholders.
• Experience in agile software development, for example Scrum or Kanban.
• Proficiency in using modern development tools, including the effective use of support tools in day-to-day development work

Apply now