Portfolio PlatformRoadmap
LangEnglishDeutsch
Admin
HomeLabsSkillsCertificationsRoadmapAboutContact
HomeLabsSkillsCertificationsRoadmapAboutContact
LangEnglishDeutsch
Admin

Built as a self-hosted portfolio product with a bilingual public experience and internal admin.

Privacy
Back to roadmap

Milestone overview

Junior System AdministratorStep 1plannedhigh

Networking Fundamentals & CCNA Preparation

This milestone focuses on preparing for the CCNA (Cisco Certified Network Associate) certification, with a strong emphasis on networking fundamentals and hands-on practice. The preparation covers essential networking concepts such as IP addressing, routing and switching, network protocols, VLANs, and network security basics. In parallel, extensive hands-on labs are performed using tools like Cisco Packet Tracer and virtual lab environments to simulate real-world network configurations and troubleshooting scenarios. This milestone strengthens my understanding of network infrastructure and equips me with the practical skills required to configure, manage, and troubleshoot modern networks in professional environments.

Start

Not set

End

Not set

Estimated effort

~ 2-3 months

Capability focus

Skills in this milestone

Competencies you are exercising or validating through this work — each links to the full skill profile.

→

Foundational

Networking

→

Foundational

Virtualization

Formal validation

Certifications in this milestone

Credentials and exams tied to this milestone — progress toward industry-recognized validation.

View all certifications
CISCOPlanned

Cisco Certified Network Associate (CCNA)

Globally recognized certification that validates foundational networking skills, including routing and switching, IP connectivity, network security, and automation basics. It demonstrates the ability to configure, manage, and troubleshoot modern network infrastructures.

Outcomes

Expected deliverables and proof points for this milestone.

  • •Solid understanding of networking fundamentals, including TCP/IP, OSI model, and subnetting
  • •Ability to configure and troubleshoot routers and switches in simulated environments
  • •Hands-on experience with VLANs, routing protocols, and network segmentation
  • •Practical knowledge of IP addressing, subnetting, and network design basics
  • •Familiarity with network security concepts and best practices
  • •Experience using tools such as Cisco Packet Tracer for network simulation
  • •Ability to diagnose and resolve common network connectivity issues
  • •Preparation to successfully pass the CCNA certification exam
  • •Strong foundation for roles such as Network Technician, Network Support Engineer, or Junior Network Administrator

Other milestones in this phase

Additional work that sits in the same progression phase.

Linux System Administration & RHCSA Preparation

This milestone focuses on preparing for the RHCSA (Red Hat Certified System Administrator) certification, with a strong emphasis on hands-on system administration in Linux environments. The preparation covers essential Linux administration topics such as user and group management, file systems, permissions, process management, networking, and system services. A significant part of the learning process is based on practical labs performed in real or virtualized environments, simulating real-world system administration tasks. This milestone strengthens my ability to manage, configure, and troubleshoot Linux systems in professional environments and builds a solid foundation for system administration and DevOps roles.

Open milestone

Cloud Fundamentals & Microsoft Azure (AZ-900) Certification Preparation

This milestone focuses on building foundational knowledge in cloud computing and preparing for the Microsoft Certified: Azure Fundamentals (AZ-900) certification. The preparation covers core cloud concepts such as cloud models (IaaS, PaaS, SaaS), Azure core services, pricing and cost management, security, compliance, and governance. In addition to theoretical learning, hands-on practice is performed through labs to explore the Azure portal and basic resource deployment. This milestone provides a solid understanding of how cloud platforms operate and serves as the foundation for more advanced cloud administration and engineering roles.

Open milestone

Cybersecurity Fundamentals & CompTIA Security+ Preparation

This milestone focuses on building a strong foundation in cybersecurity and preparing for the CompTIA Security+ certification (SY0-701). The preparation covers essential security domains such as threat detection, risk management, cryptography, identity and access management (IAM), network security, and security operations. A combination of theoretical study and hands-on labs is used to simulate real-world security scenarios, including vulnerability analysis, incident response, and system hardening. This milestone strengthens my ability to identify, analyze, and mitigate security risks, and prepares me to contribute to secure IT environments across systems, networks, and cloud infrastructures.

Open milestone

Enterprise-Style SysAdmin Projects & Infrastructure Implementation

This milestone focuses on applying my system administration knowledge through real-world, production-style projects that simulate enterprise IT environments. The work involves designing, deploying, and managing complete systems, including Linux and Windows servers, networking configurations, security hardening, and automation. Projects are built in lab environments that replicate real organizational infrastructures, incorporating best practices in system reliability, security, and scalability. This milestone demonstrates my ability to operate as a system administrator by delivering practical solutions, managing infrastructure, and solving complex technical problems in realistic scenarios.

Open milestone

Job Search Preparation for System Administration Roles

This milestone focuses on preparing for entry-level System Administrator roles by building a strong professional presence and aligning my technical skills with market expectations. The process includes creating and optimizing my CV, developing a professional LinkedIn profile, and building a portfolio that showcases hands-on labs and practical projects completed throughout my learning journey. Special attention is given to clearly demonstrating technical skills, problem-solving abilities, and real-world experience. This milestone ensures that I am not only technically prepared, but also able to effectively present my skills and stand out in the job market.

Open milestone

Server Infrastructure & CompTIA Server+ Preparation

This milestone represents my continued professional development while working in an IT role, focusing on preparing for the CompTIA Server+ certification. The preparation builds on real-world experience and covers key server infrastructure concepts such as server hardware, virtualization, storage solutions, high availability, disaster recovery, and server administration. Learning is reinforced through hands-on labs and practical exposure to production-like environments. This milestone reflects my commitment to continuous improvement and my progression toward more advanced roles in system administration and infrastructure management.

Open milestone