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-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 130 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential! Engineering Team Lead (f/m/d) – DevOps & Platform You play a pivotal role in managing 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 on our various stages. This role contributes to risk mitigation ensuring operational resilience and strengthening the company through: - Proactive maintenance and monitoring of Zertificon environments ensuring their availability and full functionality. - Maintenance of production and R&D hardware, supporting releases and troubleshooting on pipelines. - Ownership and management of our R&D smart self-service solutions. Duties Infrastructure & Automation - Lead design, building 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, firmware Containerization & Cloud - Manage, troubleshoot and automate container clusters (Kubernetes, Docker Swarm, hypervisors) - Work with cloud providers (Azure, AWS, Google Cloud) Leadership & Collaboration - Lead the 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) 👉 Join us to shape, secure and scale Zertificon’s platforms while leading a team into the future of DevOps and cloud. We 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. If you think Edward Snowden did the right thing as a whistleblower, we might just share the same values. As a sign of our support, we donate €1,000 to an organization that supports Edward Snowden for every new hire who mentions him in their application - Hands-on excellence: We take on complex challenges because we can. Our in-house experts are top-tier – even external specialists often learn from us. When we want the best, we build it ourselves - Agile by conviction: We think fast, act pragmatically, and improve continuously. No bloated processes, no “that’s just how it’s always been done.” Initiative is welcome – but of course, it will be challenged, and not every idea will make it through unchallenged - Security that works: We build software that’s not only secure, but actually usable – not just for large enterprises with dedicated highly skilled IT teams, but also for small and mid-sized businesses that need strong security without the complexity - Diverse & international: Our team of 120 people from 30+ countries shares one mission: making secure digital communication easily accessible to businesses of all sizes If that resonates with you, we’d love to hear from you. Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon) Questions? You can reach our HR team at jobs@zertificon.com (https://mailto:jobs@zertificon.com)

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-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 130 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential! Junior Test Automation Engineer (f/m/d) at an established IT-Security Company Join us as a Junior Test Automation Engineer — ready to grow, get hands-on with real-world security software, and help make sure every release is as solid as it can be. You don’t have to know everything (yet) — but you should be curious, reliable, and not afraid to break things in the name of better quality. What you’ll do 🛠 Develop and test - Design, develop, and execute automated software tests - Analyze test results and debug issues found by automated tests - Conduct manual tests when automated testing is deemed excessive 🤝 Collaborate and support - Collaborate closely with developers to understand system requirements, functional specifications, strategies, and solutions - Identify, report, and track defects, working closely with development teams to ensure timely resolution - Support the team in analyzing bugs in CI/CD pipelines 📊 Document and improve - Generate test reports, metrics, and documentation to communicate test results and status to project stakeholders - Stay updated on the latest trends, tools, and technologies in test automation and quality assurance What you bring - Proven experience as a Test Automation Engineer - Competent in Selenium and Java programming language - Skilled in testing web and mobile applications effectively - Knowledgeable in Agile software development methodologies - Familiar in Git for version control - Familiar with Linux and shell scripting - Experience with Docker for containerization - Familiar with Gradle build tools - Excellent English language skills, at least C1 level Nice to have: - Familiarity with tools like TestRail, JIRA, Confluence - Experience with mobile testing using Appium - Good German language skills 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. If you think Edward Snowden did the right thing as a whistleblower, we might just share the same values. As a sign of our support, we donate €1,000 to an organization that supports Edward Snowden for every new hire who mentions him in their application - Hands-on excellence: We take on complex challenges because we can. Our in-house experts are top-tier – even external specialists often learn from us. When we want the best, we build it ourselves - Agile by conviction: We think fast, act pragmatically, and improve continuously. No bloated processes, no “that’s just how it’s always been done.” Initiative is welcome – but of course, it will be challenged, and not every idea will make it through unchallenged - Security that works: We build software that’s not only secure, but actually usable – not just for large enterprises with dedicated highly skilled IT teams, but also for small and mid-sized businesses that need strong security without the complexity - Diverse & international: Our team of 120 people from 30+ countries shares one mission: making secure digital communication easily accessible to businesses of all sizes If that resonates with you, we’d love to hear from you. Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon) Questions? You can reach our HR team at +49 30 5900 300-0 jobs@zertificon.com (https://mailto:jobs@zertificon.com)

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-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 130 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential! Sr. Python Test Automation Engineer (f/m/d) at an established IT-Security Company Join us as a Senior Test Automation Engineer and be the driving force behind a flawless software. Rapidly develop cutting-edge automation tests to elevate our test coverage, ensuring no regression slips through with every new feature release. Measure and enhance our software's performance regularly, and be the guardian of quality and excellence our customers deserve. Your expertise will be crucial in delivering robust, reliable solutions. Responsibilities - Design, develop, and execute cutting-edge automated software tests, complete with error analysis, assessments, and detailed documentation - Ensure comprehensive test coverage by testing existing features incrementally and new features in parallel with implementation - Step in with precise manual tests when automated testing isn't enough - Collaborate closely with developers and fellow test engineers to devise and implement effective testing strategies - Identify, report, and track defects, working hand-in-hand with development teams for swift resolution - Generate clear and insightful test reports, metrics, and documentation to keep stakeholders informed and up-to-date - Stay ahead of the curve with the latest trends, tools, and technologies in test automation and quality assurance Qualifications - Proven experience (min 5 years) as a Software Test Engineer in an agile software development environment - Excellent skills in ISTQB test specification methods and management, ideally certified - Strong experience in test automation methods with advanced techniques - Knowledge of Selenium, Cucumber, and Playwright testing frameworks - First hands-on experience working with Docker for containerization - Proficiency in Python, Linux and shell scripting - You have an open and clear communication style and excellent English skills Nice to have - Hands-on experience with test documentation tools like TestRail - Good German language skills 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. If you think Edward Snowden did the right thing as a whistleblower, we might just share the same values. As a sign of our support, we donate €1,000 to an organization that supports Edward Snowden for every new hire who mentions him in their application - Hands-on excellence: We take on complex challenges because we can. Our in-house experts are top-tier – even external specialists often learn from us. When we want the best, we build it ourselves - Agile by conviction: We think fast, act pragmatically, and improve continuously. No bloated processes, no “that’s just how it’s always been done.” Initiative is welcome – but of course, it will be challenged, and not every idea will make it through unchallenged - Security that works: We build software that’s not only secure, but actually usable – not just for large enterprises with dedicated highly skilled IT teams, but also for small and mid-sized businesses that need strong security without the complexity - Diverse & international: Our team of 120 people from 30+ countries shares one mission: making secure digital communication easily accessible to businesses of all sizes If that resonates with you, we’d love to hear from you. Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon) Questions? You can reach our HR team at jobs@zertificon.com (https://mailto:jobs@zertificon.com)

Zertificon develops B2B software solutions for secure digital communication – made in Germany, GDPR-compliant, and without mandatory cloud usage. Our customers: businesses, energy providers, public authorities. Our products: software solutions for email encryption and digital signatures, secure file transfers, and market communication for energy companies. We’ve been in the market for over 20 years and employ well over 100 people from 30 different nations. Now we’re looking for you to... Sr. Test Automation Engineer (f/m/d) at an established IT-Security Company Join us as a Senior Test Automation Engineer and be the driving force behind a flawless software. Rapidly develop cutting-edge automation tests to elevate our test coverage, ensuring no regression slips through with every new feature release. Measure and enhance our software's performance regularly, and be the guardian of quality and excellence our customers deserve. Your expertise will be crucial in delivering robust, reliable solutions. Responsibilities - Design, develop, and execute cutting-edge automated software tests, complete with error analysis, assessments, and detailed documentation - Ensure comprehensive test coverage by testing existing features incrementally and new features in parallel with implementation - Step in with precise manual tests when automated testing isn't enough - Collaborate closely with developers and fellow test engineers to devise and implement effective testing strategies - Identify, report, and track defects, working hand-in-hand with development teams for swift resolution - Generate clear and insightful test reports, metrics, and documentation to keep stakeholders informed and up-to-date - Stay ahead of the curve with the latest trends, tools, and technologies in test automation and quality assurance Qualifications - Proven experience (min 5 years) as a Software Test Engineer in an agile software development environment - Excellent skills in ISTQB test specification methods and management, ideally certified - Strong experience in test automation methods with advanced techniques - Knowledge of Selenium, Cucumber, and Playwright testing frameworks - First hands-on experience working with Docker for containerization - Proficiency in Java and JavaScript, familiarity with Linux and shell scripting - You have an open and clear communication style and excellent English skills Nice to have - Hands-on experience with test documentation tools like TestRail - Experience with mobile testing using Appium - Good German language skills 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. If you think Edward Snowden did the right thing as a whistleblower, we might just share the same values. As a sign of our support, we donate €1,000 to an organization that supports Edward Snowden for every new hire who mentions him in their application - Hands-on excellence: We take on complex challenges because we can. Our in-house experts are top-tier – even external specialists often learn from us. When we want the best, we build it ourselves - Agile by conviction: We think fast, act pragmatically, and improve continuously. No bloated processes, no “that’s just how it’s always been done.” Initiative is welcome – but of course, it will be challenged, and not every idea will make it through unchallenged - Security that works: We build software that’s not only secure, but actually usable – not just for large enterprises with dedicated highly skilled IT teams, but also for small and mid-sized businesses that need strong security without the complexity - Diverse & international: Our team of 120 people from 30+ countries shares one mission: making secure digital communication easily accessible to businesses of all sizes If that resonates with you, we’d love to hear from you. Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon (https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon) Questions? You can reach our HR team at jobs@zertificon.com (https://mailto:jobs@zertificon.com)

Description des tâches: Installer et raccorder les câbles télécom (cuivre,alimentation, fibre optique) Poser et fixer les équipements télécom (antennes, baies, coffrets, chemins de câbles) Réaliser les tirages de câbles et les connexions Effectuer les tests, mesures et mises en service de base Respecter les normes de sécurité et les procédures chantier Renseigner les rapports d'intervention Contraintes: Port de charges lourdes • Autre:travaux electrique et en hauteur requis Études: Niveau d'étude demandé egal Sans qualification Métier / domaine de formation: Métier des télécommunication

Description: À propos de XXX Grâce à une approche intégrée, XXX couvre l'ensemble de la chaîne de valeur – du conseil stratégique à la mise en œuvre technique – en passant par le suivi et la maintenance. L'entreprise mise sur la qualité, l'innovation et la fiabilité de ses solutions pour maximiser l'efficacité énergétique et réduire l'empreinte carbone de ses clients. Avec une équipe engagée et une vision tournée vers l'avenir, des postes sont à pourvoir : 5 Prospecteurs Directs. Postes à pourvoir 5 Prospecteurs Directs (Salariés) Langues requises : 2 postes avec maîtrise du luxembourgeois 1 poste avec maîtrise du portugais Votre profil Disponible immédiatement (critère important !) Disposé à travailler au Luxembourg et ses environs (zone frontalière) Dynamique, motivé(e), orienté(e) objectifs Goût du contact et envie de réussir Permis de conduire B exigé Aucune expérience requise : formation complète offerte ! Description du poste Rattaché(e) au Responsable d'agence et après une formation complète dans notre Sales Academy (techniques commerciales, savoir-faire, produits), votre mission sera : Promouvoir et faire connaître une nouvelle marque Distribuer des dépliants auprès des particuliers Susciter l'intérêt pour organiser un rendez-vous avec un conseiller technique Rémunération et avantages Contrat luxembourgeois temps plein avec statut salarié Salaire fixe : 2 703,74 € + primes + incentives + frais de déplacement + abonnement GSM CDI immédiat après formation Poste évolutif Ce que nous offrons Coaching en développement personnel Journées de team-building Soirées d'entreprise Week-ends et voyages Horaire : 40 h/semaine Intéressé(e) ? Répondez dès maintenant pour convenir d'un entretien !

Description : Agent de production Profil : Cuisinier

Missions principales • Gestion et coordination des TUC en lien avec l'ONIS (contrats, entretiens, suivi administratif et communication). • Coordination des chantiers et gestion opérationnelle (visites, devis, planification des équipes internes et externes, suivi des demandes d'intervention). • Suivi budgétaire (gestion du budget courant, estimation des besoins, bilan annuel, demandes de financements). • Facturation et gestion des frais liés aux chantiers (rédaction, suivi, relances en cas d'impayés). • Gestion du parc automobile (contrôle technique, assurances, état des véhicules, acquisitions éventuelles). Profil recherché • Expérience en construction et/ou gestion de projets • Organisation, rigueur, sens du détail et une vue d'ensemble • Autonomie, fiabilité et esprit de responsabilité • Travail en réseau avec partenaires internes et externes (CA Life, ONIS, ARIS, entreprises) • Maîtrise des outils bureautiques, notamment Excel • Maîtrise de deux des quatre langues administratives (LU, FR, DE, ANG) Diplôme de Technicien (DT) ou Brevet de Maîtrise (BM) Artisanale: électrique ou sanitaire ou maconnerie ou peinture ou menuiserie ou rénovation ou construction • Maîtrise des outils bureautiques, notamment Excel • Organisation, rigueur, sens du détail et une vue d'ensemble • Autonomie, fiabilité et esprit de responsabilité

Mission: Gestion, maintenance et support des systèmes informatiques des clients de GMS-iT sarl. Profil: BAC + 2 minimum ou DAP Informaticien qualifié

Description des tâches: Préparation des surfaces : nettoyage, ragréage, ponçage, application d'une sous-couche/apprêt. Peinture intérieure et extérieure : murs, plafonds, façades. Pose de peinture, vernis et revêtements. Travaux de réparation et de rénovation. Travail soigné, autonome et fiable sur chantier. Profil: Diplôme: Certificat de capacité professionnelle (CCP) Plusieurs années d'expérience professionnelle. Autres compétences: Permis de conduire B Bonnes connaissances en allemand Autonomie dans le travail Esprit d'équipe et fiabilité