Lead Engineer – DevOps & Platform (f/m/d)

Company Overview

Zertificon Solutions – Software Manufacturer since 2004.

We are IT security specialists: our products encrypt business communications. More than 25% of the 100 highest-revenue companies in Germany, as well as hundreds of medium‑size enterprises across all industries, already use our Z1 encryption solutions. Nearly 120 employees work with us in Neukölln.

Role Purpose

The Engineering Team Lead – DevOps & Platform manages Zertificon Operational Services (ZOS) platforms and environments where Zertificon products are developed, tested, and run. The role ensures infrastructure health and security to guarantee smooth and uninterrupted development across all stages. It contributes to risk mitigation, operational resilience and strengthens the company through proactive maintenance, production and R&D hardware support and ownership of our R&D smart self‑service solutions.

Duties

Infrastructure & Automation

• Lead design, build and maintenance of automated IT infrastructure (on‑premise & cloud).
• Identify and solve internal customer needs with infrastructure, tooling and self‑service.
• Develop and extend CI/CD pipelines using Jenkins, Ansible and Terraform.

Monitoring & Maintenance

• Manage monitoring solutions (Prometheus, Grafana) and plan strategic alerts.
• Maintain environments: hardware testing, installation, patches, OS, certificates and firmware.

Containerization & Cloud

• Manage, troubleshoot and automate container clusters (Kubernetes, Docker Swarm, hypervisors).
• Work with cloud providers (Azure, AWS, Google Cloud).
• Lead a team of 4‑6 in SaaS development, troubleshooting and improvements.
• Review scripts, playbooks, manifests and pull requests for code quality.
• Communicate updates, progress and challenges to stakeholders, ensuring timely delivery.

Requirements

• Experience with container technologies (images, registries, Docker Swarm).
• Strong understanding of Ansible for configuration management.
• Proven experience with Kubernetes cluster configuration and management.
• Solid understanding of Docker, CI/CD pipelines and Git.
• Strong experience using Terraform.
• Datacenter expertise with firewalls, switches, routers, cabling and servers.
• Experience with Microsoft Azure and M365 products.
• Excellent English language skills and effective communication.
• Leadership and mentoring abilities, ability to manage multiple priorities.
• Knowledge of databases (backup, restore, troubleshooting, migration) and InfoSec (TCP/IP, certificates).

Our offer

• Flexible working hours and home office possible.
• Mobility : free Germany ticket, job bike leasing or car parking.
• Allowances for food (e.g. Lieferando) and internet in the home office.
• Benefits in the office: roof terraces & green courtyard, organic fruit and drinks, parcel acceptance.
• Get‑together: pizza Friday in the office, regular team events, big summer party.

Why Zertificon?

Zertificon stands for securing digital business. We develop trusted IT security solutions “Made in Germany” – built for businesses that value both protection and usability.

• Independent & committed : For over 20 years, we’ve built secure communication tools as an owner‑managed company with a clear stance.
• Purpose‑driven : We believe that digital communication must be secure and free.
• Hands‑on excellence : We take on complex challenges because we can, with in‑house experts who are top‑tier.
• Agile by conviction : We think fast, act pragmatically, and improve continuously.
• Security that works : We build software that’s not only secure, but actually usable for businesses of all sizes.
• Diverse & international : Our team of 120 people from 30+ countries shares one mission.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Information Technology

Industries

Software Development

Contact

You can reach our HR team at
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