Freelancer

• Planning, building and further development of a state-of-the-art telecommunications network as the basis for all Deutsche Giga Access products
• Evaluation and testing of technologies and vendors and development of scalable, cost-efficient and flexible network concepts
• Further development and optimization of the networks as well as technical development and creation of new service offerings
• Configuration and optimization of the backbone and access network infrastructure, including the data center platform
• Development and documentation of network concepts for the relevant network layers
• Analysis of technical market developments and assessment of potential use cases
• Responsibility for the functional and capacity development of the various network layers
• Responsibility for the technical implementation of the developed concepts in collaboration with various upstream providers, vendors and colleagues from other departments
• Support in operations and program management on technical issues
• Tracking current developments and trends in the network field (software-defined datacenter/networking, automation, seamless MPLS etc.) and evaluating these technologies and products
• Creative and integrated planning of site connections via fiber-based IP solutions
• Creation of connection and network concepts
• Technical consulting on backbone planning (connecting expansion areas via fiber or leased bandwidth to the backbone)

Successes:

• Commissioning of the core ring with Juniper MX10003 at the Frankfurt, Hanover and Düsseldorf sites
• Creation of backbone documentation using the freeware Netbox
• Joining RIPE NCC and applying for an AS and an IPv6 address block for DGA and NorthernAccess
• Concept and planning of several expansion areas
• Development of a management network (DCN) concept for DGA including IP address planning, device selection and procurement
• Acquisition of 7,196 IPv4 addresses

• 2011 - 2017: Technical Expert for Broadband and IP Pre-Service Portfolio in the area of Technical Requirements Management
• Managed projects with up to 40 staff from different corporate units for nationwide roll-out of products and technologies
• Safety and evacuation officer

Successes:

• On-time activation of a new system with error-free and complete data migration from the legacy system; met budget and provided valid reports

• Developed a savings concept to gain about 5.5 million IPv4 addresses and migrated the network without customer impact

• 2008 - 2011: Technical Expert for Broadband and IP Pre-Service Portfolio at Head Office T-Home, Bonn

• Responsible for various technical and sub-projects with up to 25 staff from different units

• Safety officer and intranet page maintenance

Successes:

• Timely introduction of a system with budget compliance and valid reports

• Site relocation in 2009 from Bochum to Bonn without interruptions

• 2007 - 2008: Broadband, THS & IP Specialist in Technical Infrastructure Regional Branch, Bochum

• Responsible for various projects with up to 25 staff from different units

• Safety officer and intranet maintenance

• 2004 - 2006: Systems Engineer in Technical Infrastructure West Branch, Cologne

• Lead systems engineer for the Düren region

• Laser safety officer

• Support during network outages and implementation of new equipment

• Technical consulting for sales on customer inquiries

• Coordination of support services with vendors and internal units

• Maintenance of the branch's intranet servers

Successes:

• Proposed improvements for more efficient and simpler DCN structures, awarded a bonus

• Timely migration of the DCN into the new Z-DCN network

• Successful recertification as a network administrator according to DIN EN ISO/IEC 17024

• 2003 - 2004: Network Technology Clerk - Technical Infrastructure West Branch, Cologne

• Ensured operation of transmission technology and expansion of DCN networks

Successes:

• Recertification for CCNA

• Certified as a network administrator according to DIN EN ISO/IEC 17024

• 2001 - 2003: Transmission Technology Operator - Technical Branch Düren, Cologne

• Commissioning and maintenance of transmission equipment and management networks

Successes:

• On-time activation of SDH2000+ network components

• Completed pilot for new IT training system with Fraunhofer Institute

• 1998 - 2000: Network Management Staff - Technical Branch Cologne

• Managed and controlled orders and escalation management

Successes:

• On-time provisioning of transmission paths

• Applied for further training as CCNA

• 1997 - 1998: MVS/OS/390 System Operator - Computer Service Management, Krefeld

• Migrated consoles to server-based systems

Successes:

• Achieved cost savings by enabling remote capability

• 1993 - 1997: Network Management Staff - Technical Branch Magdeburg

• Data management and coordination in the Magdeburg telecom office

Successes:

• Awarded for on-time and error-free data entry