Senior DevOps Engineer - Security

Magyar Telekom Nyrt.

BudapestRemoteFull TimeSeniorPosted Today

Application deadline: 2026-08-10

Budapest Magyar Telekom Nyrt. Teljes munkaidő- határozatlan idejű

What we are looking for

University degree in Computer Science, Telecommunication Engineering, Information Systems, or comparable qualification.
Fluent in English, verbally and written.
5+ years of experience in cloud-native environments, with a proven track record in DevOps and platform engineering.
Technical skills
Advanced knowledge of Kubernetes security, including secure application configuration, RBAC, network policies, and secrets management.
Deep expertise in securing Linux-based environments, including advanced shell scripting and automation for security operations.
Strong proficiency in Infrastructure as Code (IaC) security using tools like Helm, Ansible and Terraform.
Proven experience architecting and maintaining secure CI/CD pipelines, integrating automated security testing, code analysis, and compliance checks (e.g., SAST, DAST, dependency scanning).
Experience with monitoring tools (e.g., Prometheus, Grafana).
Strong programming or scripting skills (e.g., Python, Go, Bash) for building security automation and custom tooling.
Empathetic team player and effective communicator, able to collaborate with colleagues and stakeholders at all levels while supporting and mentoring others.
Innovative and proactive problem solver with a continuous learning mindset, committed to knowledge sharing and finding effective solutions to complex challenges.

Nice-to-Have

Contributions to open-source security projects or active participation in the security community.
Familiarity with GitOps methodologies and continuous delivery tools like Argo CD is a strong plus.
Kubernetes automated policy enforcement knowledge (e.g., OPA/Gatekeeper, Keyverno).
Hands-on experience with vulnerability management, threat modeling, and remediation in cloud-native and containerized environments.
Experience with developing APIs and Kubernetes operators.
Familiarity with regulatory and compliance frameworks (e.g., ISO 27001, GDPR, NIS 2) and their technical implementation in DevOps workflows.
Relevant security certifications (e.g., CKS, CISSP, OSCP, AWS Security Specialty).
Don't worry if you miss some of these skills – we are here to grow and develop you.

What you can expect

Our team is dedicated to supporting new team members and we're building an environment that appreciates knowledge sharing and mentorship. Our experienced team members are passionate about coaching junior and new members of the team.
We take a long-term commitment when it comes to our employees. You will develop your career working in truly innovative projects of Deutsche Telekom Group, exploring the latest trends and technologies which enable the product development process.
We offer an open and friendly working environment, competitive remuneration package and attractive benefit scheme.
Enjoy the benefits of flexible hours, part-time roles, and remote work options - so you can balance your career with family life and personal priorities.

Benefits and Training opportunities

Flexible working hours with partial home office options.
Comprehensive benefits package (laptop, mobile phone, cafeteria, insurance).
Employee discount rates on Telekom services.
Modern, multinational working environment with amenities like a sky bar and rooftop gym.
Access to our Employee Assistance Program.
Comprehensive Healthcare Package
You will receive a minimum of 25 days of basic vacation per year (based on age)
We offer 15 days of additional vacation if you become a father, with 100% pay
You'll have access to thousands of professional and skills development materials from our extensive digital training palette
We offer regular internal training sessions and workshops
You can learn English and German, even with a native speaker
You’ll have access to Percipio and Coursera courses

About the team

WE DELIVER TECHNOLOGY SOLUTIONS CONNECTING YOUR WORLD!

Group Network Technology (GNT) is a key part of Deutsche Telekom, where international teams shape and deliver innovative telecommunications IT and network technology solutions across Europe - from architecture and engineering to development, testing, infrastructure, and operations.
In Cloud, we build and operate Deutsche Telekom’s on-prem Telco Cloud across all layers - from hardware to orchestration - based on open-source technologies. This is where modern infrastructure meets real-world impact at scale.
Our chapter-based model creates a strong home for expertise, learning, and collaboration - empowering people to grow, contribute in agile teams, and thrive in an inclusive environment while making a meaningful difference for our customers.

What you'll be doing

Take leadership in the integration of security best practices into the entire DevOps lifecycle, ensuring robust protection of cloud-native platforms and services.
Architect, implement, and continuously improve security services, CI/CD pipelines, and cloud infrastructure, with a focus on automation and scalability.
Design and enforce secure configuration management, secrets handling, RBAC, and network policies across all environments.
Mentor and coach engineers on secure coding, DevSecOps principles, and emerging security technologies.
Stay current with the latest security threats, trends, and regulatory requirements, and drive continuous improvement in security posture.
Participate in on-call rotation (for stand-by operations).

When and Where?

You can join us whenever it suits you — we work in a flexible, hybrid setup with three days from home and two days at the Telekom Campus

Connect with us:

Clemens, Chapter Area Lead Cloud - https://www.linkedin.com/in/clemensloos/

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Senior DevOps Engineer - Security