zertificon

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Professional Java Developer (w/m/d) bei einem etablierten IT-Security-Unternehmen

Bash Docker Gradle Java Kafka +9 skills

Java developer at Zertificon, a Berlin-based IT-security vendor whose products encrypt corporate email/communication. Day to day: building and maintaining containerized Java microservices (Java 25, Spring, message brokers, Docker/Kubernetes) for the Z1 encryption products, with openness to other languages like Go and security tech such as PKI, S/MIME and OpenPGP.

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Finanzbuchhalter / Accountant (m/w/d), IT-Business B2B, Buchhaltung & Projekte

Zertificon Solutions – Software-Hersteller seit 2004. – Wir sind IT-Security-Spezialisten: Unsere Produkte verschlüsseln die Kommunikation von Unternehmen. Mehr als 25% der 100 umsatzstärksten deutschen Unternehmen…

Jira Kanban

NewBe an early applicant EuropeSenior

(Sr.) Linux / DevOps Engineer (w/m/d)

Ansible AWS Azure Bash CI/CD +16 skills

Maintains and automates the Linux infrastructure behind Zertificon's email-encryption products — production and R&D environments, Jenkins CI/CD pipelines, XCP-ng hypervisor clusters, and Prometheus/Grafana monitoring — within a 4–6 person DevOps team in Berlin.

NewBe an early applicant EuropeSenior

Sr. Python Test Automation Engineer (w/m/d) bei einem etablierten IT-Security Unternehmen

Automation Bash Cucumber Docker Linux +5 skills

Senior test automation engineer at Zertificon, a Berlin-based IT security product company whose software encrypts business communications. Day to day: design and run automated tests (Selenium, Cucumber, Playwright), analyze bugs, ensure coverage and report quality metrics, using Python, Linux/shell and Docker.

NewBe an early applicant EuropeLead

Lead Java Developer IT-Security (m/w/d) bei einem etablierten IT-Security-Unternehmen

Bash Containerization Docker Gradle Java +10 skills

Hands-on Lead Java Developer at a Berlin IT-security company, leading a team to build a modern containerized microservice architecture while modernizing the legacy Z1 email-encryption product. Core stack: Java 21, Spring, Docker/Kubernetes, message brokers, and security tech like PKI, S/MIME, OpenPGP, X.509.

NewBe an early applicant EuropeJunior

(Junior) Technical Product Owner (f/m/d) – Virtual Appliance & Container Platform

Adobe XD Cloud Debian Docker Figma +5 skills

Zertificon, a Berlin-based IT security vendor, seeks a (junior) Technical Product Owner to evolve its Z1 Appliance — a Debian Linux-based platform moving to a container architecture with Docker Swarm and Kubernetes. Day to day: gathering and prioritizing requirements, writing epics/user stories, managing the backlog, planning releases, and working closely with developers on deployment, scalability

NewBe an early applicant EuropeLead

Engineering Team Lead (w/m/d) – DevOps & Platform

Ansible AWS Azure CI/CD Cloud +10 skills

Leads a 4–6 person DevOps team running Zertificon's ZOS platforms in Berlin: migrating from Docker Swarm to Kubernetes, building CI/CD pipelines with Jenkins, Ansible and Terraform, and managing Prometheus/Grafana monitoring across on-premise and cloud infrastructure, with mentoring and stakeholder communication.

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Product Owner (w/m/d) – Interne Business Services & SaaS Operations