📍 Job Overview

Job Title: IT Netzwerk Administrator/ IT Network Engineer (w/m/d)
Company: Drees & Sommer SE
Location: Stuttgart, Germany
Job Type: Full-Time (Hybrid)
Category: IT Infrastructure & Networking
Date Posted: July 30, 2025
Experience Level: Mid-Senior level (2-5 years)
Remote Status: On-site/Hybrid (Stuttgart, Frankfurt)

🚀 Role Summary

Maintain and develop secure and modern network infrastructure for Drees & Sommer's global operations.
Collaborate with internal and external customers to ensure high network availability and performance.
Implement innovative network strategies and architectures to support business growth.
Troubleshoot network issues and optimize network performance using modern management tools.
Work in a dynamic IT environment with a professional, high-performing, and modern IT team.

📝 Enhancement Note: This role requires strong communication skills and teamwork, as you'll be interacting with various stakeholders and working in a collaborative environment.

💻 Primary Responsibilities

Network Infrastructure Management: Operate and maintain network infrastructures (Cisco, LAN/WLAN, ISE) and ensure WAN connectivity for all Drees & Sommer locations.
Project Management: Independently manage projects, including planning, implementation, and configuration of new systems to achieve a stable and highly available network operation.
Network Strategy Development: Develop and implement innovative network strategies and architectures to meet business needs.
Technical Support: Serve as a second-level support contact for technical inquiries and troubleshooting.
Network Performance Monitoring: Proactively monitor and optimize network performance, ensuring communication reliability, restorability, and security.
Network Analysis: Conduct detailed network analyses and diagnostics to identify and resolve issues and plan for capacity.
AudioCodes SBC Management: Manage a decentralized, modern communication infrastructure based on AudioCodes Session Border Controllers (SBC).

📝 Enhancement Note: This role requires a strong focus on problem-solving, process optimization, and continuous improvement to ensure the network infrastructure meets the evolving needs of the business.

🎓 Skills & Qualifications

Education:

Degree in computer science, IT, or a related field, or relevant professional experience.

Experience:

At least three years of experience in network infrastructure, with a focus on routing, switching, and firewalling.
Experience with Microsoft and Linux operating systems.
Proven experience with SIEM, UC systems, and Cisco certification (e.g., CCNA) is required.

Required Skills:

Strong analytical and problem-solving skills.
Excellent communication and teamwork skills.
Proficiency in German and English, both written and spoken.
Knowledge of Microsoft Teams telephony, SIP, and SBCs, as well as AudioCodes products, is an advantage.

Preferred Skills:

Familiarity with modern network management tools.
Experience with scripting and automation.
Knowledge of IT service management (ITSM) processes and frameworks.

📝 Enhancement Note: Candidates with a strong background in network infrastructure and a commitment to continuous learning and development will thrive in this role.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Document your experience with network infrastructure projects, highlighting your role and the technologies used.
Include case studies demonstrating your problem-solving skills and the positive impact you've made on network performance.
Showcase your ability to work with modern network management tools and optimize network performance.

Technical Documentation:

Provide clear and concise documentation of your network infrastructure projects, including network diagrams, configuration files, and any relevant scripts.
Include any relevant certifications or training courses related to network infrastructure and management.

📝 Enhancement Note: A well-structured and informative portfolio will help demonstrate your technical skills and commitment to continuous learning and development.

💵 Compensation & Benefits

Salary Range: The salary range for this role in Stuttgart, Germany, is approximately €45,000 to €65,000 per year, depending on experience and qualifications. This estimate is based on regional market research and industry standards for mid-senior level network administrators.

Benefits:

Mobile working options to support work-life balance.
Individual training and development opportunities through the Drees & Sommer Academy.
Health support, including a bonus for sporty employees or a contribution to a gym membership.
Sustainable mobility options, such as job bike leasing, public transportation subsidies, or company cars (depending on the position).
Attractive corporate benefits discounts and an employee referral program with attractive rewards.
Childcare subsidies and additional benefits for special private events.

Working Hours: Full-time position with standard working hours, including flexibility for deployment windows and maintenance tasks.

📝 Enhancement Note: The salary range provided is an estimate and may vary depending on individual qualifications, experience, and market conditions. Drees & Sommer offers a comprehensive benefits package to support the well-being and development of their employees.

🎯 Team & Company Context

🏢 Company Culture

Industry: Drees & Sommer operates in the real estate, infrastructure, and energy sectors, focusing on sustainable and innovative solutions for clients worldwide.

Company Size: With over 6,000 employees across 63 locations worldwide, Drees & Sommer offers a large and diverse work environment with ample opportunities for growth and collaboration.

Founded: The company was founded in 1970 and has since grown into a global leader in its industry, with a strong commitment to sustainability and innovation.

Team Structure:

The IT team consists of various specialists, including network administrators, system administrators, and IT project managers.
The team works collaboratively, with a strong focus on knowledge sharing and continuous learning.
The IT department supports the entire organization, ensuring that technology enables and enhances business operations.

Development Methodology:

Drees & Sommer follows Agile methodologies for software development and IT project management.
The IT team uses modern tools and technologies to ensure efficient and effective collaboration.
The company encourages innovation and embraces emerging technologies to drive business growth and success.

Company Website: Drees & Sommer

📝 Enhancement Note: Drees & Sommer's commitment to sustainability and innovation creates an exciting and dynamic work environment for IT professionals seeking to make a positive impact on the world.

📈 Career & Growth Analysis

Web Technology Career Level: This role is suitable for mid-senior level network administrators with at least three years of experience in network infrastructure and a strong commitment to continuous learning and development.

Reporting Structure: The IT Network Administrator reports directly to the IT Manager and works closely with other IT team members, as well as internal and external customers.

Technical Impact: The IT Network Administrator plays a crucial role in ensuring the availability, performance, and security of Drees & Sommer's network infrastructure, enabling effective communication and collaboration across the organization.

Growth Opportunities:

Technical Growth: Expand your expertise in network infrastructure, emerging technologies, and IT service management.
Leadership Development: Develop your leadership skills by mentoring junior team members and contributing to strategic decision-making processes.
Career Progression: Progress to senior network administration roles, IT project management, or other specialized IT positions within the organization.

📝 Enhancement Note: Drees & Sommer offers numerous opportunities for professional growth and development, with a strong emphasis on continuous learning and innovation.

🌐 Work Environment

Office Type: Drees & Sommer's offices are modern, collaborative workspaces designed to foster creativity and productivity.

Office Location(s): The IT Network Administrator role is based in either Stuttgart or Frankfurt, Germany, with the option for mobile working.

Workspace Context:

Collaboration: Work closely with other IT team members, as well as internal and external customers, to ensure effective communication and problem-solving.
Tools & Equipment: Utilize modern network management tools, multiple monitors, and testing devices to optimize network performance and troubleshoot issues.
Cross-Functional Interaction: Collaborate with various departments, including project management, consulting, and engineering, to ensure that network infrastructure meets business needs.

Work Schedule: Full-time position with standard working hours, including flexibility for deployment windows, maintenance tasks, and project deadlines.

📝 Enhancement Note: Drees & Sommer's collaborative work environment and commitment to employee development create an engaging and supportive atmosphere for IT professionals seeking to grow and excel in their careers.

📄 Application & Technical Interview Process

Interview Process:

Technical Assessment: Demonstrate your network infrastructure expertise through hands-on exercises, case studies, and technical discussions.
Behavioral Questions: Showcase your problem-solving skills, teamwork, and adaptability through behavioral interview questions.
Team Fit Assessment: Discuss your cultural fit with the Drees & Sommer team and how your values align with the company's mission and vision.
Final Evaluation: Present your portfolio and discuss your career goals and aspirations with the hiring manager.

Portfolio Review Tips:

Highlight your experience with network infrastructure projects, emphasizing your role and the technologies used.
Include case studies demonstrating your problem-solving skills and the positive impact you've made on network performance.
Showcase your ability to work with modern network management tools and optimize network performance.

Technical Challenge Preparation:

Brush up on your Cisco, routing, switching, and firewalling skills.
Familiarize yourself with modern network management tools and best practices.
Prepare for case studies and hands-on exercises that assess your problem-solving skills and technical expertise.

ATS Keywords: [Cisco, LAN, WLAN, Routing, Switching, Firewalling, Microsoft Systems, Linux Systems, SIEM, UC Systems, Cisco Certification, Microsoft Teams, SIP, AudioCodes, Network Infrastructure, Network Management, Network Performance, Network Security]

📝 Enhancement Note: Drees & Sommer's interview process focuses on assessing your technical expertise, problem-solving skills, and cultural fit, ensuring that you are well-prepared for each stage of the application process.

🛠 Technology Stack & Web Infrastructure

Network Infrastructure:

Cisco network infrastructure, including routers, switches, and firewalls.
LAN and WLAN networks, with a focus on high availability and performance.
WAN connectivity for all Drees & Sommer locations worldwide.

Network Management Tools:

Modern network management tools for monitoring, troubleshooting, and optimizing network performance.
SIEM systems for security information and event management.

AudioCodes SBC:

AudioCodes Session Border Controllers (SBC) for secure and reliable communication between Drees & Sommer's global offices.

📝 Enhancement Note: Drees & Sommer's network infrastructure is designed to be modern, secure, and highly available, with a strong focus on performance optimization and continuous improvement.

👥 Team Culture & Values

Web Development Values:

Innovation: Embrace emerging technologies and best practices to drive business growth and success.
Collaboration: Work closely with other IT team members, as well as internal and external customers, to ensure effective communication and problem-solving.
Continuous Learning: Stay up-to-date with the latest network infrastructure trends and best practices to drive personal and professional growth.
Customer Focus: Prioritize the needs and expectations of internal and external customers to ensure that network infrastructure meets business needs.

Collaboration Style:

Cross-Functional Interaction: Collaborate with various departments, including project management, consulting, and engineering, to ensure that network infrastructure meets business needs.
Knowledge Sharing: Share your expertise and experiences with other IT team members to foster a culture of continuous learning and development.
Peer Mentoring: Support the growth and development of junior team members by providing guidance, feedback, and mentoring opportunities.

📝 Enhancement Note: Drees & Sommer's collaborative work environment and commitment to continuous learning create an engaging and supportive atmosphere for IT professionals seeking to grow and excel in their careers.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Performance Optimization: Continuously monitor and optimize network performance to ensure high availability, low latency, and minimal downtime.
Network Security: Implement and maintain robust network security measures to protect Drees & Sommer's network infrastructure from cyber threats.
Emerging Technologies: Stay up-to-date with the latest network infrastructure trends and best practices, and integrate emerging technologies into Drees & Sommer's network architecture.
Capacity Planning: Conduct regular network capacity assessments and plan for future growth and expansion to ensure that network infrastructure meets business needs.

Learning & Development Opportunities:

Technical Skill Development: Expand your expertise in network infrastructure, emerging technologies, and IT service management through training courses, workshops, and certifications.
Conference Attendance: Attend industry conferences and events to network with other IT professionals, learn about emerging trends, and share best practices.
Mentorship & Leadership Development: Develop your leadership skills by mentoring junior team members and contributing to strategic decision-making processes.

📝 Enhancement Note: Drees & Sommer offers numerous opportunities for professional growth and development, with a strong emphasis on continuous learning and innovation.

💡 Interview Preparation

Technical Questions:

Network Infrastructure: Demonstrate your expertise in network infrastructure, including routing, switching, and firewalling, as well as your familiarity with modern network management tools.
Network Performance Optimization: Showcase your ability to monitor, troubleshoot, and optimize network performance using industry best practices and modern network management tools.
Network Security: Discuss your understanding of network security best practices and your experience implementing and maintaining robust security measures.

Company & Culture Questions:

Company Mission & Vision: Demonstrate your understanding of Drees & Sommer's mission and vision, and how your values align with the company's commitment to sustainability and innovation.
Team Dynamics: Discuss your experience working in a collaborative, cross-functional team environment and your ability to adapt to different working styles and personalities.
Problem-Solving Skills: Provide examples of your problem-solving skills and your ability to think critically and creatively to overcome technical challenges.

Portfolio Presentation Strategy:

Project Case Studies: Present case studies demonstrating your experience with network infrastructure projects, highlighting your role, the technologies used, and the positive impact you've made on network performance.
Technical Deep Dive: Provide a detailed technical deep dive into a specific network infrastructure project, including network diagrams, configuration files, and any relevant scripts.
Company-Specific Context: Tailor your portfolio presentation to Drees & Sommer's unique business needs and the specific challenges faced by the IT team.

📝 Enhancement Note: Drees & Sommer's interview process focuses on assessing your technical expertise, problem-solving skills, and cultural fit, ensuring that you are well-prepared for each stage of the application process.

📌 Application Steps

To apply for the IT Network Administrator role at Drees & Sommer:

Submit Your Application: Visit the job posting on the Drees & Sommer careers page and submit your application through the application link.
Prepare Your Portfolio: Highlight your experience with network infrastructure projects, emphasizing your role and the technologies used. Include case studies demonstrating your problem-solving skills and the positive impact you've made on network performance.
Optimize Your Resume: Tailor your resume to the IT Network Administrator role, emphasizing your technical skills, experience, and relevant certifications. Use relevant keywords, such as those listed in the ATS Keywords section, to improve your resume's visibility in applicant tracking systems.
Prepare for Technical Interviews: Brush up on your Cisco, routing, switching, and firewalling skills. Familiarize yourself with modern network management tools and best practices. Prepare for case studies and hands-on exercises that assess your problem-solving skills and technical expertise.
Research the Company: Learn about Drees & Sommer's mission, vision, and values, and how your skills and experience align with the company's commitment to sustainability and innovation. Understand the company's business and the specific challenges faced by the IT team.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web technology industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

IT Netzwerk Administrator/ IT Network Engineer (w/m/d)