Linux Administrator (m/w/d) mit Schwerpunkt Netzwerk, Automation und Security-Affinität

Medialine EuroTrade AG
Full_time

📍 Job Overview

  • Job Title: Linux Administrator (m/w/d) mit Schwerpunkt Netzwerk, Automation und Security-Affinität
  • Company: Medialine EuroTrade AG
  • Location: Remote (Germany)
  • Job Type: Full-Time
  • Category: System Administrator, Infrastructure
  • Date Posted: 2025-01-28
  • Experience Level: Mid-Level (2-5 years)
  • Remote Status: Hybrid

🚀 Role Summary

  • Manage and optimize Linux-based network infrastructures, focusing on RHEL, Ubuntu, and Debian systems.
  • Implement network automation using tools like Ansible to streamline maintenance processes and improve efficiency.
  • Troubleshoot network issues and optimize performance to ensure high availability and reliability.
  • Configure and manage network security devices, such as firewalls and VPNs, to maintain network security and compliance.
  • Collaborate with the IT security team to enforce security standards and protect network infrastructures from threats.

📝 Enhancement Note: This role requires a strong focus on network infrastructure management, automation, and security. Candidates should have a solid understanding of Linux systems and be eager to learn and implement network automation tools.

💻 Primary Responsibilities

  • Linux System Administration: Manage and maintain Linux-based network infrastructures, ensuring optimal performance and stability.
  • Network Automation: Implement and manage network automation tools, such as Ansible, to streamline maintenance processes and improve efficiency.
  • Network Security: Configure and manage network security devices, such as firewalls and VPNs, to maintain network security and compliance.
  • Troubleshooting & Optimization: Identify, diagnose, and resolve network issues, and optimize network performance to ensure high availability and reliability.
  • Collaboration: Work closely with the IT security team to enforce security standards and protect network infrastructures from threats.

📝 Enhancement Note: The primary responsibilities of this role require a strong focus on Linux system administration, network automation, and security. Candidates should be comfortable working in a collaborative environment and have strong analytical skills to troubleshoot network issues effectively.

🎓 Skills & Qualifications

Education: A relevant degree in Computer Science, IT, or a related field, or equivalent practical experience.

Experience: Proven experience (2-5 years) in Linux system administration, network infrastructure management, and network automation.

Required Skills:

  • Proficient in Linux systems (e.g., LPIC-1 or higher) with experience in Linux-based network administration and maintenance.
  • Experience with network automation tools like Ansible or similar solutions, with a strong motivation to further develop these skills.
  • Extensive knowledge of network infrastructure and firewalls (e.g., Sophos, Palo Alto, Fortigate, pfSense) and practical experience in their configuration, administration, and maintenance.
  • Strong scripting skills (Bash, Python) for automating network and maintenance tasks, without a primary focus on DevOps methods.
  • Affinity for IT security and interest in collaborating with the security team to implement security policies and protect network infrastructures from threats.
  • Self-motivated, structured, and analytical problem-solving skills for troubleshooting network issues and optimizing performance.

Preferred Skills:

  • Experience with additional scripting languages (e.g., Perl, PowerShell) for network automation and maintenance tasks.
  • Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and their network infrastructure management tools.
  • Knowledge of network monitoring and logging tools (e.g., Nagios, Zabbix, ELK Stack) for proactive network management and issue resolution.
  • Experience with containerization and virtualization technologies (e.g., Docker, Kubernetes, VMware) for network infrastructure management and optimization.

📝 Enhancement Note: The required and preferred skills for this role emphasize Linux system administration, network automation, and security. Candidates should have a strong foundation in Linux systems, network infrastructure management, and scripting, as well as a keen interest in IT security and continuous learning.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • Demonstrate your Linux system administration skills by showcasing your experience with Linux distributions (e.g., RHEL, Ubuntu, Debian) and their management.
  • Highlight your network automation projects, explaining the tools used (e.g., Ansible) and the improvements they brought to maintenance processes.
  • Showcase your network security experience by presenting case studies of firewall and VPN configurations, as well as your collaboration with IT security teams to enforce security standards.
  • Display your troubleshooting and optimization skills by presenting network performance improvement projects and explaining your approach to resolving complex network issues.

Technical Documentation:

  • Document your code quality, commenting, and documentation standards for Linux system administration and network automation tasks.
  • Explain your version control, deployment processes, and server configuration management strategies.
  • Describe your testing methodologies, performance metrics, and optimization techniques for network infrastructure management.

📝 Enhancement Note: The portfolio requirements for this role focus on Linux system administration, network automation, and security. Candidates should provide concrete examples of their experience in these areas, highlighting their technical skills and problem-solving abilities.

💵 Compensation & Benefits

Salary Range: €45,000 - €60,000 per year (gross), depending on experience and location. This estimate is based on regional market research for mid-level Linux system administrators with a focus on network infrastructure management and automation.

Benefits:

  • Employee events
  • Further education opportunities
  • Subsidized lunch
  • Remote work option
  • Mentorship program
  • Hot and cold beverages
  • Fruit basket
  • Employee discounts
  • Travel cost reimbursement
  • Company car
  • Job bicycle
  • Parking
  • Flexible working hours
  • Sports offer
  • Company pension scheme
  • Job ticket
  • Notebook and smartphone
  • Workation

Working Hours: 40 hours per week, with flexible working hours and the possibility of remote work. Maintenance windows and project deadlines may require occasional overtime.

📝 Enhancement Note: The salary range for this role is estimated based on regional market research for mid-level Linux system administrators with a focus on network infrastructure management and automation. The benefits listed are tailored to web technology professionals, focusing on personal and professional development, work-life balance, and employee well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Medialine EuroTrade AG operates as a full-service IT system house, focusing on tailored solutions for the upper mid-market segment. The company specializes in IT infrastructure, managed and cloud services, and business solutions.

Company Size: With almost 20 years of experience, Medialine EuroTrade AG has established itself as a reliable partner for its clients, employing a team of experienced IT professionals dedicated to delivering high-quality solutions.

Founded: The company was founded in 2006 and has since grown to become a trusted provider of IT services for the upper mid-market segment.

Team Structure:

  • The Linux administrator will work within the IT infrastructure team, collaborating with other system administrators, network engineers, and IT security specialists.
  • The team follows a structured hierarchy, with clear lines of communication and decision-making processes.
  • Cross-functional collaboration with design, marketing, and business teams is encouraged to ensure user-focused and innovative solutions.

Development Methodology:

  • Medialine EuroTrade AG follows Agile methodologies, such as Scrum, to manage IT projects and ensure efficient collaboration and delivery.
  • The company emphasizes code review, testing, and quality assurance practices to maintain high coding standards and minimize technical debt.
  • Deployment strategies, CI/CD pipelines, and server management are tailored to each client's specific needs and infrastructure requirements.

Company Website: Medialine EuroTrade AG

📝 Enhancement Note: Medialine EuroTrade AG's company culture emphasizes collaboration, innovation, and user-focused solutions. The team structure and development methodologies are designed to foster efficient communication, decision-making, and delivery, ensuring high-quality IT services for clients.

📈 Career & Growth Analysis

Web Technology Career Level: The Linux Administrator role is a mid-level position focusing on Linux system administration, network infrastructure management, and automation. This role requires a solid foundation in Linux systems, network infrastructure, and scripting, as well as a strong interest in IT security and continuous learning.

Reporting Structure: The Linux Administrator reports directly to the IT Infrastructure Manager and works closely with the IT security team to ensure network security and compliance.

Technical Impact: The Linux Administrator plays a crucial role in maintaining and optimizing network infrastructures, ensuring high availability, performance, and security. Their work directly impacts the user experience and the overall performance of the company's IT services.

Growth Opportunities:

  • Technical Growth: Expand your skills in Linux system administration, network automation, and security by working on diverse projects and collaborating with experienced team members.
  • Leadership Development: Demonstrate strong technical leadership and mentoring skills to take on more responsibilities and potentially lead projects or teams in the future.
  • Architecture Decisions: Contribute to strategic decisions regarding network infrastructure architecture, considering emerging technologies and best practices in the industry.

📝 Enhancement Note: The Linux Administrator role at Medialine EuroTrade AG offers mid-level professionals the opportunity to grow their technical skills in Linux system administration, network infrastructure management, and security. By working on diverse projects and collaborating with experienced team members, candidates can expand their expertise and advance their careers within the company.

🌐 Work Environment

Office Type: Medialine EuroTrade AG offers a hybrid work environment, combining on-site collaboration with remote work options to balance productivity and work-life balance.

Office Location(s): The company's headquarters are located in Germany, with remote work options available for eligible positions.

Workspace Context:

  • Collaborative Workspace: The on-site offices are designed to foster collaboration and communication among team members, with open-plan workspaces and dedicated meeting rooms.
  • Development Tools: Medialine EuroTrade AG provides its employees with the necessary tools and equipment to perform their jobs effectively, including multiple monitors and testing devices.
  • Cross-Functional Collaboration: The company encourages collaboration between different departments, such as IT, design, marketing, and business teams, to ensure user-focused and innovative solutions.

Work Schedule: The standard workweek is 40 hours, with flexible working hours and the possibility of remote work. Maintenance windows and project deadlines may require occasional overtime.

📝 Enhancement Note: Medialine EuroTrade AG's work environment combines on-site collaboration with remote work options to balance productivity and work-life balance. The company provides a collaborative workspace, necessary tools, and encourages cross-functional collaboration to ensure high-quality IT services for clients.

📄 Application & Technical Interview Process

Interview Process:

  1. Online Application Review: The HR team will review your application, focusing on your Linux system administration, network infrastructure management, and automation skills, as well as your IT security affinity and problem-solving abilities.
  2. Technical Phone/Screening: A brief phone or video call to assess your technical skills, discuss your experience with Linux systems, network automation tools, and scripting, and evaluate your approach to network troubleshooting and optimization.
  3. On-Site Technical Interview: A face-to-face interview at the company's headquarters to discuss your technical portfolio, network infrastructure projects, and security case studies. This interview will also assess your cultural fit and communication skills.
  4. Final Decision: The hiring manager will make a final decision based on the interviews and your application materials.

Portfolio Review Tips:

  • Portfolio Structure: Organize your portfolio by project, highlighting your Linux system administration, network infrastructure management, and automation skills, as well as your IT security experience.
  • Case Studies: Present detailed case studies of your network infrastructure projects, explaining the challenges, solutions, and outcomes. Focus on your problem-solving abilities, technical skills, and the impact of your work on network performance and security.
  • Code Quality: Demonstrate your coding standards and best practices for Linux system administration and network automation tasks. Explain your approach to code review, testing, and quality assurance.
  • Company-Specific Context: Tailor your portfolio to Medialine EuroTrade AG, highlighting your understanding of the company's focus on user-focused solutions, collaboration, and innovation.

Technical Challenge Preparation:

  • Technical Exercises: Familiarize yourself with Linux system administration, network infrastructure management, and automation exercises, focusing on real-world scenarios and problem-solving.
  • Network Troubleshooting: Brush up on your network troubleshooting skills, focusing on performance optimization, security, and best practices for Linux-based network infrastructures.
  • Communication Skills: Prepare for technical discussions about your portfolio, network infrastructure projects, and security case studies. Practice explaining complex technical concepts clearly and concisely.

📝 Enhancement Note: The interview process for the Linux Administrator role at Medialine EuroTrade AG focuses on assessing candidates' technical skills in Linux system administration, network infrastructure management, and automation, as well as their IT security affinity and problem-solving abilities. Candidates should prepare a structured portfolio, brush up on their technical skills, and practice communicating complex technical concepts clearly and concisely.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies: (Not applicable for this role)

Backend & Server Technologies:

  • Linux Distributions: RHEL, Ubuntu, Debian
  • Network Automation Tools: Ansible
  • Firewalls & VPNs: Sophos, Palo Alto, Fortigate, pfSense
  • Scripting Languages: Bash, Python, Perl, PowerShell
  • Cloud Platforms: AWS, Azure, Google Cloud
  • Network Monitoring & Logging Tools: Nagios, Zabbix, ELK Stack
  • Containerization & Virtualization Technologies: Docker, Kubernetes, VMware

Development & DevOps Tools:

  • Version Control: Git
  • CI/CD Pipelines: Jenkins, GitLab CI/CD
  • Infrastructure as Code (IaC) Tools: Terraform, Ansible Tower
  • Configuration Management Tools: Puppet, Chef

📝 Enhancement Note: The technology stack for the Linux Administrator role at Medialine EuroTrade AG focuses on Linux system administration, network infrastructure management, and automation. Candidates should have experience with relevant Linux distributions, network automation tools, firewalls, and scripting languages, as well as an understanding of cloud platforms, network monitoring tools, and containerization technologies.

👥 Team Culture & Values

Web Development Values: (Not applicable for this role)

Collaboration Style:

  • Cross-Functional Integration: Medialine EuroTrade AG encourages collaboration between IT, design, marketing, and business teams to ensure user-focused and innovative solutions.
  • Code Review Culture: The company emphasizes code review, testing, and quality assurance practices to maintain high coding standards and minimize technical debt.
  • Knowledge Sharing: Medialine EuroTrade AG fosters a culture of knowledge sharing and continuous learning, with regular team meetings, workshops, and training opportunities.

📝 Enhancement Note: Medialine EuroTrade AG's collaboration style emphasizes cross-functional integration, code review culture, and knowledge sharing to ensure high-quality IT services for clients. The company's culture of continuous learning and innovation fosters a collaborative and supportive work environment.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Network Infrastructure Management: Design, implement, and maintain complex network infrastructure solutions, ensuring high availability, performance, and security.
  • Network Automation: Develop and implement network automation solutions using tools like Ansible to streamline maintenance processes and improve efficiency.
  • Network Security: Configure and manage network security devices, such as firewalls and VPNs, to maintain network security and compliance. Collaborate with the IT security team to enforce security standards and protect network infrastructures from threats.
  • Performance Optimization: Identify and resolve network performance bottlenecks, optimizing network infrastructure for high availability and reliability.
  • Emerging Technologies: Stay up-to-date with emerging technologies in network infrastructure management, automation, and security, and evaluate their potential impact on the company's IT services.

Learning & Development Opportunities:

  • Technical Skill Development: Expand your technical skills in Linux system administration, network infrastructure management, and automation by working on diverse projects and collaborating with experienced team members.
  • Certifications & Training: Pursue relevant certifications (e.g., LPIC, Red Hat Certified System Administrator) and participate in training programs to enhance your technical expertise and stay current with industry best practices.
  • Conferences & Events: Attend industry conferences, webinars, and workshops to network with other professionals, learn about emerging technologies, and gain insights into best practices in network infrastructure management, automation, and security.
  • Technical Leadership: Demonstrate strong technical leadership and mentoring skills to take on more responsibilities and potentially lead projects or teams in the future.

📝 Enhancement Note: The technical challenges and growth opportunities for the Linux Administrator role at Medialine EuroTrade AG focus on network infrastructure management, automation, and security. Candidates should be prepared to tackle complex network infrastructure solutions, network automation projects, and security challenges, as well as staying up-to-date with emerging technologies in the industry.

💡 Interview Preparation

Technical Questions:

  • Linux System Administration: Discuss your experience with Linux distributions (e.g., RHEL, Ubuntu, Debian) and their management. Explain your approach to Linux system administration, network infrastructure management, and automation.
  • Network Infrastructure Management: Describe your experience with network infrastructure management, focusing on network automation tools like Ansible. Explain your approach to network troubleshooting, performance optimization, and security.
  • Network Security: Discuss your experience with network security devices, such as firewalls and VPNs. Explain your approach to configuring and managing network security devices, as well as collaborating with IT security teams to enforce security standards and protect network infrastructures from threats.
  • Scripting & Automation: Describe your experience with scripting languages (e.g., Bash, Python) for automating network and maintenance tasks. Explain your approach to network automation, scripting best practices, and code quality.

Company & Culture Questions:

  • Company Focus: Explain your understanding of Medialine EuroTrade AG's focus on user-focused solutions, collaboration, and innovation. Describe how your experience and skills align with the company's mission and values.
  • Collaboration & Communication: Discuss your experience working in a collaborative environment, focusing on cross-functional teamwork, code review culture, and knowledge sharing. Explain your approach to communication, problem-solving, and decision-making in a team setting.
  • Adaptability & Continuous Learning: Describe your ability to adapt to new technologies, tools, and methodologies in the fast-paced IT industry. Explain your approach to continuous learning, staying current with industry best practices, and embracing new challenges.

Portfolio Presentation Strategy:

  • Structured Portfolio: Organize your portfolio by project, highlighting your Linux system administration, network infrastructure management, and automation skills, as well as your IT security experience.
  • Case Studies: Present detailed case studies of your network infrastructure projects, explaining the challenges, solutions, and outcomes. Focus on your problem-solving abilities, technical skills, and the impact of your work on network performance and security.
  • Code Quality: Demonstrate your coding standards and best practices for Linux system administration and network automation tasks. Explain your approach to code review, testing, and quality assurance.
  • Company-Specific Context: Tailor your portfolio to Medialine EuroTrade AG, highlighting your understanding of the company's focus on user-focused solutions, collaboration, and innovation.

📝 Enhancement Note: The interview preparation for the Linux Administrator role at Medialine EuroTrade AG focuses on assessing candidates' technical skills in Linux system administration, network infrastructure management, and automation, as well as their IT security affinity, problem-solving abilities, and cultural fit. Candidates should prepare a structured portfolio, brush up on their technical skills, and practice communicating complex technical concepts clearly and concisely.

📌 Application Steps

To apply for this Linux Administrator (m/w/d) with a focus on network, automation, and security affinity position at Medialine EuroTrade AG:

  1. Tailor Your Application: Customize your application materials, highlighting your Linux system administration, network infrastructure management, and automation skills, as well as your IT security experience and affinity.
  2. Prepare Your Portfolio: Organize your portfolio by project, showcasing your technical skills, problem-solving abilities, and the impact of your work on network performance and security. Tailor your portfolio to Medialine EuroTrade AG, emphasizing your understanding of the company's focus on user-focused solutions, collaboration, and innovation.
  3. Research the Company: Familiarize yourself with Medialine EuroTrade AG's industry, market position, and company culture. Prepare thoughtful questions to ask during the interview process, demonstrating your interest in the company and its mission.
  4. Practice Technical Interviews: Brush up on your technical skills, focusing on Linux system administration, network infrastructure management, and automation. Practice explaining complex technical concepts clearly and concisely, and prepare for technical challenges and case studies.
  5. Review Application Materials: Carefully review your application materials, ensuring they are well-structured, error-free, and tailored to the Linux Administrator role at Medialine EuroTrade AG.

⚠️ 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.

Application Requirements

Candidates should have solid knowledge of Linux systems and experience in network automation tools like Ansible. A strong affinity for IT security and the ability to work independently and analytically are also essential.