Platform Engineer Voice Services (f/m/d)

E.ON
Full_timeβ€’Hamburg, Germany

πŸ“ Job Overview

  • Job Title: Platform Engineer Voice Services (f/m/d)
  • Company: E.ON Digital Technology GmbH
  • Location: Essen, Hannover, WΓΌrzburg, Munich, Berlin, Hamburg
  • Job Type: Permanent
  • Category: IT Infrastructure & Services
  • Date Posted: 2025-05-29
  • Experience Level: 5-10 years
  • Remote Status: Hybrid (Flexible Office & Remote Work)

πŸš€ Role Summary

  • Key Responsibilities: Assist in the strategic management and development of Unified Communication and Collaboration Services, collaborate on the design of the Cisco Webex Contact Center platform, and support E.ON business colleagues in utilizing telephony solutions effectively.
  • Key Technologies: Cisco UC, Cisco Webex, Azure Cloud, Voice Gateway, SBC Solutions, IT Network Infrastructure, and external supplier management.

πŸ’» Primary Responsibilities

πŸ“ Enhancement Note: This role requires a strong background in Cisco UC and call center software products, as well as experience in Azure Cloud architecture and IT network infrastructure for voice components.

  • Strategic Management & Development: Assist the Product Owner in strategic planning and development of Unified Communication and Collaboration Services.
  • Platform Design & Development: Collaborate on the design and development of business concepts for the new Cisco Webex Contact Center platform.
  • Platform Evolution: Evolve and optimize the Cisco Webex Calling platform to meet business needs.
  • Cloud Solutions: Implement modern cloud platform solutions such as Microsoft Azure Cloud to meet business requirements.
  • Voice Gateway Management: Provision and manage Voice Gateway/SBC solutions (Cisco UBE, AudioCodes, Ribbon).
  • Expert Support: Provide expert support (2nd & 3rd level) for the Cisco Call Center IT platform to ensure system stability and performance.
  • Supplier Management: Manage and monitor external suppliers and service providers for unified communication solutions.

πŸŽ“ Skills & Qualifications

πŸ“ Enhancement Note: This role requires a strong technical background with relevant certifications and a minimum of 5-10 years of experience in the field.

Education: A university degree in computer science, business informatics, or a comparable field.

Experience:

  • Several years of professional and practical experience in audio & video conferencing, fixed network systems, with good analytical skills and solution-oriented thinking.
  • Demonstrated long-term professional experience with Cisco UC and call center software products, with a minimum certification of Cisco CCNP; CCIE-level certification and Webex vendor certifications are considered advantageous.
  • Proven expertise in Azure Cloud architecture, with a strong focus on designing and implementing IT network infrastructure for voice components such as SBC, servers, and databases.
  • A minimum certification of Azure Administrator Associate is required, the Azure Solutions Architect Expert certification is highly desirable.

Required Skills:

  • Excellent English and German language skills in writing and speaking.
  • Strong analytical skills and solution-oriented thinking.
  • Willingness to travel and work in an international environment.

Preferred Skills:

  • Experience with Azure Cloud architecture and IT network infrastructure for voice components.
  • Familiarity with Cisco UC and call center software products.
  • Knowledge of external supplier management for unified communication solutions.

πŸ“Š Web Portfolio & Project Requirements

Portfolio Essentials:

  • A comprehensive portfolio showcasing experience with Cisco UC, call center software products, and Azure Cloud architecture.
  • Case studies demonstrating successful implementation of voice gateway/SBC solutions and expert support for call center IT platforms.
  • Examples of strategic planning and development of unified communication services.

Technical Documentation:

  • Detailed documentation of cloud platform solutions implemented using Microsoft Azure Cloud.
  • Clear and concise technical specifications for voice gateway/SBC solutions.
  • Well-commented code and thorough testing methodologies.

πŸ’΅ Compensation & Benefits

Salary Range: €65,000 - €90,000 per year (Based on experience and location)

Benefits:

  • Flexibility: Enjoy flexible work arrangements, including remote work and workations within Europe.
  • Development Opportunities: Advance your development through learning on the job, exchanging with others, or taking part in individual training.
  • Networking Opportunities: Engage in Digital Empowerment Communities for collaboration, learning, and network building.
  • Paid Vacation: Receive 30 days of paid vacation per year, plus Christmas and New Year's Eve off. Exchange parts of your salary for more paid vacation or take a sabbatical.
  • Mobility Options: Elevate your mobility with car and bike leasing offers and a subsidized Deutschland-Ticket.
  • Pension Scheme: Think ahead with a company pension scheme and a great insurance package.

🎯 Team & Company Context

🏒 Company Culture

Industry: Energy & Utilities

Company Size: Large (10,000+ employees)

Founded: 1990

Team Structure:

  • Collaborative team environment with close contact with E.ON business colleagues.
  • Reporting structure and hierarchy within the IT Infrastructure & Services function.
  • Cross-functional collaboration with design, marketing, and business teams.

Development Methodology:

  • Agile/Scrum methodologies and sprint planning for IT projects.
  • Code review, testing, and quality assurance practices.
  • Deployment strategies, CI/CD pipelines, and server management.

Company Website: E.ON Digital Technology

πŸ“ Enhancement Note: E.ON Digital Technology plays a key role in shaping the energy transition by leading E.ON's digital transformation across Europe. The company explores new paths by developing ideas, breaking new ground, making visions reality, and bringing new technologies to life.

πŸ“ˆ Career & Growth Analysis

Web Technology Career Level: Senior/Lead Platform Engineer (Voice Services)

Reporting Structure: Reports directly to the Product Owner, with close collaboration with E.ON business colleagues and external suppliers.

Technical Impact: Significant influence on E.ON's telephony and call center solutions, ensuring system stability, performance, and business continuity.

Growth Opportunities:

  • Technical Growth: Expand expertise in Azure Cloud architecture, Cisco UC, and call center software products.
  • Leadership Development: Develop technical leadership skills through mentoring, architecture decision-making, and team management.
  • Emerging Technologies: Stay up-to-date with emerging cloud and unified communication technologies, and drive innovation within the team.

πŸ“ Enhancement Note: This role offers significant growth opportunities for experienced platform engineers looking to advance their careers in the energy and utilities sector.

🌐 Work Environment

Office Type: Hybrid (Flexible Office & Remote Work)

Office Location(s):

  • Essen, North Rhine-Westphalia, Germany
  • Hannover, Lower Saxony, Germany
  • WΓΌrzburg, Bavaria, Germany
  • Munich, Bavaria, Germany
  • Berlin, Berlin, Germany
  • Hamburg, Hamburg, Germany

Workspace Context:

  • Collaborative workspace with close interaction with E.ON business colleagues.
  • Access to development tools, multiple monitors, and testing devices.
  • Cross-functional collaboration opportunities with design, marketing, and business teams.

Work Schedule: Flexible work arrangements, with core hours and project deadline flexibility.

πŸ“ Enhancement Note: E.ON Digital Technology offers a flexible and collaborative work environment, with a strong focus on employee development and work-life balance.

πŸ“„ Application & Technical Interview Process

Interview Process:

  1. Technical Preparation: Familiarize yourself with Cisco UC, call center software products, and Azure Cloud architecture. Brush up on your analytical skills and solution-oriented thinking.
  2. Online Assessment: Complete an online assessment to evaluate your technical skills and problem-solving abilities.
  3. Technical Deep Dive: Participate in a technical deep dive, focusing on your expertise in Cisco UC, call center software products, and Azure Cloud architecture.
  4. Final Interview: Demonstrate your cultural fit, communication skills, and willingness to travel in the final interview with the hiring manager.

Portfolio Review Tips:

  • Highlight your experience with Cisco UC, call center software products, and Azure Cloud architecture.
  • Showcase your strategic planning and development skills for unified communication services.
  • Emphasize your ability to manage external suppliers and provide expert support for call center IT platforms.

Technical Challenge Preparation:

  • Brush up on your knowledge of Cisco UC, call center software products, and Azure Cloud architecture.
  • Practice problem-solving exercises and coding challenges related to voice gateway/SBC solutions and cloud platform implementations.
  • Prepare for behavioral questions focused on your analytical skills, solution-oriented thinking, and willingness to travel.

πŸ“ Enhancement Note: The interview process for this role is designed to evaluate your technical expertise, problem-solving skills, and cultural fit within the E.ON Digital Technology team.

πŸ›  Technology Stack & Web Infrastructure

Frontend Technologies: Not applicable (Focus on backend and infrastructure technologies)

Backend & Server Technologies:

  • Cisco UC (Call Manager, Unity Connection, Unity Express, Unity Contact Center)
  • Cisco Webex (Calling, Meetings, Teams, Contact Center)
  • Microsoft Azure Cloud (Azure Stack, Azure Virtual Machines, Azure Kubernetes Service)
  • Voice Gateway/SBC Solutions (Cisco UBE, AudioCodes, Ribbon)
  • IT Network Infrastructure (Cisco routers, switches, firewalls)

Development & DevOps Tools:

  • Agile/Scrum methodologies and sprint planning tools (Jira, Azure DevOps)
  • Version control systems (Git, Azure Repos)
  • CI/CD pipelines and deployment automation tools (Azure Pipelines, Jenkins)
  • Monitoring tools (Azure Monitor, Prometheus, Grafana)

πŸ“ Enhancement Note: This role requires a strong background in Cisco UC, call center software products, and Azure Cloud architecture, with a focus on backend and infrastructure technologies.

πŸ‘₯ Team Culture & Values

Web Development Values:

  • Customer Focus: Understand and address the needs of E.ON business colleagues effectively.
  • Innovation: Continuously improve and optimize telephony and call center solutions.
  • Collaboration: Work closely with E.ON business colleagues, external suppliers, and cross-functional teams.
  • Expertise: Demonstrate deep technical knowledge in Cisco UC, call center software products, and Azure Cloud architecture.

Collaboration Style:

  • Cross-Functional Integration: Collaborate with E.ON business colleagues, external suppliers, and cross-functional teams to deliver effective telephony and call center solutions.
  • Code Review Culture: Participate in code reviews and knowledge-sharing sessions to maintain high-quality standards.
  • Mentoring & Knowledge Sharing: Contribute to the professional development of team members and foster a culture of learning and growth.

πŸ“ Enhancement Note: E.ON Digital Technology values a collaborative and customer-focused culture, with a strong emphasis on innovation, expertise, and continuous learning.

⚑ Challenges & Growth Opportunities

Technical Challenges:

  • Cisco UC Expertise: Demonstrate deep technical knowledge in Cisco UC and call center software products.
  • Azure Cloud Architecture: Design and implement IT network infrastructure for voice components using Azure Cloud.
  • Voice Gateway/SBC Solutions: Provision and manage voice gateway/SBC solutions effectively.
  • External Supplier Management: Manage and monitor external suppliers and service providers for unified communication solutions.

Learning & Development Opportunities:

  • Technical Skills Development: Expand your expertise in Cisco UC, call center software products, and Azure Cloud architecture.
  • Leadership Development: Develop your leadership skills through mentoring, architecture decision-making, and team management.
  • Emerging Technologies: Stay up-to-date with emerging cloud and unified communication technologies, and drive innovation within the team.

πŸ“ Enhancement Note: This role offers significant technical challenges and growth opportunities for experienced platform engineers looking to advance their careers in the energy and utilities sector.

πŸ’‘ Interview Preparation

Technical Questions:

  • Cisco UC & Call Center Software Products: Demonstrate your expertise in Cisco UC and call center software products, including specific features, configurations, and best practices.
  • Azure Cloud Architecture: Explain your experience with Azure Cloud architecture, focusing on designing and implementing IT network infrastructure for voice components.
  • Voice Gateway/SBC Solutions: Describe your experience with voice gateway/SBC solutions, including provisioning, management, and troubleshooting.
  • External Supplier Management: Discuss your approach to managing and monitoring external suppliers and service providers for unified communication solutions.

Company & Culture Questions:

  • E.ON Digital Technology: Demonstrate your understanding of E.ON Digital Technology's role in the energy transition and digital transformation.
  • Team Collaboration: Explain how you would collaborate with E.ON business colleagues, external suppliers, and cross-functional teams to deliver effective telephony and call center solutions.
  • Innovation & Continuous Improvement: Describe your approach to innovation and continuous improvement in telephony and call center solutions.

Portfolio Presentation Strategy:

  • Cisco UC & Call Center Software Products: Highlight your experience with Cisco UC and call center software products, showcasing specific projects and achievements.
  • Azure Cloud Architecture: Demonstrate your expertise in Azure Cloud architecture, focusing on designing and implementing IT network infrastructure for voice components.
  • Voice Gateway/SBC Solutions: Showcase your experience with voice gateway/SBC solutions, emphasizing successful provisioning, management, and troubleshooting.
  • External Supplier Management: Present your approach to managing and monitoring external suppliers and service providers for unified communication solutions, including specific case studies and best practices.

πŸ“ Enhancement Note: Prepare thoroughly for the interview process by brushing up on your technical skills, understanding the company culture, and practicing common interview questions and scenarios.

πŸ“Œ Application Steps

To apply for this Platform Engineer Voice Services (f/m/d) position at E.ON Digital Technology:

  1. Customize Your Portfolio: Highlight your experience with Cisco UC, call center software products, and Azure Cloud architecture, emphasizing strategic planning, development, and management skills.
  2. Resume Optimization: Tailor your resume to showcase your technical expertise, problem-solving skills, and cultural fit for the role.
  3. Technical Interview Preparation: Brush up on your technical skills, practice coding challenges, and prepare for behavioral questions focused on your analytical skills, solution-oriented thinking, and willingness to travel.
  4. Company Research: Thoroughly research E.ON Digital Technology, focusing on the company's role in the energy transition, digital transformation, and team collaboration.

⚠️ 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 a university degree in computer science or a related field, along with several years of experience in audio & video conferencing and Cisco UC products. Certifications in Cisco and Azure Cloud architecture are required, along with strong analytical skills and proficiency in English and German.