Internal IT Infrastructure & Security Engineer (m/f/d)

Location: Sulzbach an der Murr / Hybrid

Tasks

• Design, installation, and operation of the internal network and server infrastructure of the L-mobile group of companies, including continuous development.
• Planning and implementation of network segmentation, as well as modern security measures (firewall, WAF, IPS, MFA).
• Operation and expansion of our hybrid and multi-cloud as well as virtualization platforms (Microsoft Azure, Wortmann TerraCloud, VMware).
• Ensuring secure network connectivity of our national and international branches, operation of VPN solutions, and comprehensive security of all end devices.
• Support and monitoring of our internal e-mail systems, including their security mechanisms (spam filters, SPF, DMARC, DKIM).
• Close collaboration with management, the head of development, the CISO, and external data protection officers in shaping the internal information security strategy.
• Development and optimization of concepts, policies, and emergency plans in the areas of IT security and data protection.
• Budget planning and functioning as a central interface between internal IT and software development.
• Documentation of system configurations, as well as support during internal audits and security checks.

Profile

• Completed IT education, university degree, or comparable qualification (e.g., IT specialist).
• Initial relevant professional experience in network or server administration, with practical experience being more important than the exact number of years.
• Sound knowledge of network technologies such as VLAN, routing, and VPN, as well as a basic understanding of IT security.
• Experience with virtualization, storage systems, backups, and cloud infrastructures, preferably with Azure, Veeam, or VMware.
• Hands-on experience with firewalls, switches, and security solutions, ideally with Sophos and HP or Aruba systems.
• Good knowledge of Windows Server administration and basic Linux knowledge.
• Very good English skills (C1 level, spoken and written) and native-level German skills, as both languages are important for internal collaboration.
• High service orientation, pronounced analytical thinking, and an independent, structured approach to work.
• Communicative personality and enjoyment of collaboration with internal departments.

Benefits

• High flexibility: individual working time planning, remote work, 30 days of vacation, time tracking – overtime can be taken off!
• Monthly tax-free benefit of €50 in kind in addition to salary via the Probonio app (multi-benefit platform).
• Daily freshly prepared, delicious, and subsidized lunch in our own company restaurant "Cooki Luki".
• Freedom and dynamism: owner-managed company without investor involvement.
• Great, diverse team that celebrates successes together and supports each other in challenges.
• Develop yourself further: internal training and development, as well as individual coaching for experts and managers.
• Additional perks such as ergonomic and modern workstations, JobRad, company and sports events, drinks and fruit, company pension scheme, and much more.
• You can find all benefits at a glance here!

About Us

As part of the L-mobile Group with over 300 employees worldwide, we have been a reputable IT system integrator since 2010, accompanying numerous medium-sized companies on their path to digital transformation.

Our recipe for success: A combination of high-performance networks and individual server infrastructures – tailored, scalable, and future-proof.

We specialize in IT security and infrastructure as well as Microsoft cloud solutions. We also partner with leading software manufacturers for document management systems, desktop solutions, and VoIP.

Would you like to become part of L-mobile infrastructure? We develop your individual strengths and personal goals through our internal training and development program. Exciting tasks, the latest technologies, and a great team await you!

Contact

Elena Zielaff HR Manager L-mobile solutions GmbH & Co. KG Im Horben 7 71560 Sulzbach an der Murr recruiter contact