Network Engineer

About The Company

InfraServ GmbH & Co. Wiesbaden KG operates the Wiesbaden Industrial Park, where approximately 5,800 people work across around 75 companies. As a partner to industry and regional businesses, InfraServ employs approximately 950 people across more than 100 professional fields. The company provides essential infrastructure and a broad range of services, including energy supply, wastewater treatment, technical support, construction, facility management, logistics, site security, fire protection, occupational health services, administration, and vocational training. The IT organization has a team of approximately 40 professionals responsible for the company’s IT services and infrastructure. Its services span IT governance and management, IT operations and infrastructure, information and systems security, service desk support, applications, and digitalization. Through collaboration, accountability, and a strong service mindset, the team supports the business and advances digital transformation.

About The Role

InfraServ is seeking a Senior Network Engineer / Network Specialist (m/f/d) to administer, plan, secure, and continuously develop its enterprise network environment. Based in Wiesbaden, this full-time position offers a 37.5-hour workweek and permanent employment, with an immediate start. The role is listed under reference ISW4280 and is assigned to pay group E10T-E12T, with a stated annual salary range of €52,872 to €81,768 based on 12 tariff payments. Additional tariff benefits, including vacation pay, an annual payment, and a future contribution, are not included in this range and increase total compensation. Final classification is determined under applicable agreements, qualifications, experience, and assigned responsibilities. This position combines hands‑on technical ownership with project leadership. You will contribute to reliable, secure connectivity for corporate, IoT, and production environments, while working closely with internal teams and external service providers. Occasional on‑call duty and work outside regular hours are part of the position.

Qualifications

You have completed vocational training in information and communications technology, IT systems administration, or a comparable field, and bring several years of professional and project experience. You have strong practical knowledge of configuring and administering network and communications components in an enterprise environment. Experience with Cisco LAN and WLAN, Fortinet or Check Point firewalls, cloud architectures, and Linux is expected. Relevant certifications, such as CCNA or CCNP, are an advantage. Knowledge of IEEE 802.1X authentication, Cisco DNA, scripting, automation, and security concepts is desirable. You take ownership, work independently, and approach complex issues analytically. You communicate openly and reliably, can advocate for solutions constructively, and maintain a customer‑focused approach. You enjoy contributing your expertise as part of a team. A valid driver’s license and fluency in spoken and written German are required.

Responsibilities

Administer, plan, and enhance network infrastructure, central firewalls, VPN services, and security systems. Provide competent second‑level support, diagnose technical incidents, and implement lasting solutions. Plan and deploy IoT and production networks, ensuring they meet operational and security requirements. Lead and coordinate enterprise and infrastructure projects, guide project teams, and manage collaboration with external service providers. Review and update policies, processes, and standards to maintain secure and reliable service availability. Create, maintain, and update network diagrams, system records, and operational documentation. Stay current with emerging technologies and contribute ideas and expertise to ongoing improvements. Participate in on‑call coverage and occasional work outside normal working hours.

Benefits

InfraServ offers attractive compensation under the German chemical industry tariff, including vacation pay and additional one‑time payments, as well as 30 days of annual leave with the possibility of up to three additional days. Benefits include occupational pension provision, a savings plan, salary conversion options, supplementary care insurance, and regular preventive health initiatives. Employees can access flexible working hours where compatible with the role, mobile working, bike leasing, and a long‑term working‑time account for individually financed leave, such as a sabbatical. Further offerings include professional development through the ISW training center or external providers, an on‑site health studio with fitness equipment, classes, physiotherapy, osteopathy, and nutrition advice, free parking, convenient transport connections, and employee discounts through Corporate Benefits.

Equal Opportunity

InfraServ GmbH & Co. Wiesbaden KG welcomes applications from qualified candidates and is committed to a fair, respectful, and inclusive recruitment process. Employment and pay‑group decisions are made in accordance with applicable tariff and company regulations, considering relevant qualifications and professional experience.