> Markdown version of [/jobs/ext/1965030-senior-site-integration-engineer](https://www.wearedevelopers.com/jobs/ext/1965030-senior-site-integration-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # (Senior) Site Integration Engineer - **Company:** E.ON - **Location:** Essen, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Apple Push Notification Service, Microsoft Azure, Command-Line Interface, System Configuration, Data Security, Network Address Translation, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Linux System Administration, Message Queuing Telemetry Transport (MQTT), Routing, Public Key Infrastructure, Data Streaming, Network Routers, Grafana, Firewalls (Computer Science), Cloud Integration - **Published:** August 7, 2026 - **Apply:** https://www.adzuna.de/details/5830335555 ## About the Role * 4+ years of experience in networking, with a solid understanding of VPNs, NAT, firewalls, routing, and MPLS fundamentals * Hands-on experience configuring and managing IoT devices such as routers, cameras, sensors, and digital displays * Ability to evaluate how new devices fit into a broader site architecture, collaborate with vendors on integrations, and translate solutions into scalable standards * Experience with SIM provisioning, APN management, and connectivity providers; a background in telecommunications or carrier environments is a strong advantage * Good understanding of certificate lifecycle management and PKI concepts within IoT ecosystems * Comfortable working in Linux environments, using command-line tools, and leveraging Python for automation and operational efficiency * You think in scalable solutions rather than one-off fixes, with a strong focus on standardization, repeatability, and long-term maintainability across large site portfolios * Familiarity with technologies and tools such as MQTT, Azure-based IoT architectures, and Grafana is considered a plus * A hands-on builder mindset combined with a willingness to travel to charging sites when needed. You enjoy taking ownership, solving complex challenges, and continuously improving platforms, integrations, and processes in a fast-changing environment. ## Description E.ON Drive Infrastructure operates a rapidly growing charging network across Europe. As a Site Integration Engineer, you ensure that devices, connectivity, and data flows come together in a scalable and standardized site architecture, enabling reliable operations and efficient deployments across thousands of charging locations. * Define and evolve the reference architecture for connected sites, including connectivity topology, device standards, data flows, and monitoring concepts * Establish technical integration standards for new devices and collaborate with vendors to ensure compliance with our architecture and connectivity requirements * Design and maintain scalable device onboarding and zero-touch provisioning processes, including automated certificate provisioning and registration * Lead the integration of new device types and site formats into our network and operational landscape * Configure, operate, and maintain a diverse device fleet, including routers, cameras, sensors, and digital displays * Manage connectivity services such as firewalls, VPNs, private APNs, and site-to-cloud connections in collaboration with external network partners * Own SIM fleet management across multiple countries and carriers, including provisioning, lifecycle management, and carrier-level troubleshooting * Build and continuously improve monitoring solutions for device health, connectivity, and network performance, ensuring end-to-end visibility and reliability * Perform deep-dive troubleshooting and root-cause analysis across network, device, and cloud integration layers to ensure reliable and secure data transmission to the cloud ## Related Videos - [5 steps for running a Kubernetes environment at scale](https://www.wearedevelopers.com/videos/88-5-steps-for-running-a-kubernetes-environment-at-scale) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [All your telemetry data from any source in one place](https://www.wearedevelopers.com/videos/57-all-your-telemetry-data-from-any-source-in-one-place) ## Related Articles - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)