System Engineer (Voice) in Europe

Summary

Andersen is hiring a System Engineer (Voice) in Europe to support a large-scale digital transformation, working on telecommunications, cloud platforms, and AI-driven solutions for global digital services.

The customer is a large international technology company operating in the digital infrastructure and connectivity domain, providing telecommunications, cloud platforms, and advanced IT services for consumer and enterprise clients. The organization focuses on next-generation networks, cloud-native architectures, artificial intelligence, and cybersecurity, working with complex distributed systems, and continuously modernizing core services to support global digital transformation.

The project is a large-scale digital transformation initiative with a high volume of parallel projects, focused on building and evolving web and e-commerce platforms, AI-enabled features, and data-driven digital solutions within a dynamic, multi-team environment.

Responsibilities

• Diagnosing, troubleshooting, and resolving complex hardware, software, and network issues related to voice communication systems (e.g., call quality, connectivity, latency, and system outages).
• Proactively monitoring the performance and health of voice networks using specialized tools to identify potential bottlenecks or problems before they impact users.
• Performing regular, scheduled maintenance, updates, and patching of equipment and software.
• Providing expert support from a remote (offshore) location.
• Maintaining detailed and accurate documentation of all incidents, troubleshooting steps, configurations, and resolutions.
• Participating in post-incident reviews (Root Cause Analysis) to prevent recurrence and improve future processes.
• Assisting with the planning, testing, and implementation of new voice system features, upgrades, or integrations with existing IT infrastructure (e.g., email, CRM, network security).
• Providing guidance and training to junior staff or end-users on voice system functionality, new procedures, and best practices.
• Implementing and maintaining security protocols (firewalls, access controls) and ensuring all voice systems comply with relevant industry standards and regulations.

Requirements

• Experience as a System Administrator or in a similar role for 3+ years.
• Expertise in system administration of Session Border Controllers (SBC), ideally with the vendor AudioCodes.
• Deep knowledge of VoIP protocols (SIP, RTP, H.323), PBX and Unified Communication (UC) platforms (e.g., Cisco Call Manager, Avaya), network infrastructure (LAN/WAN, firewalls, QoS), and relevant operating systems.
• General understanding of common protocols such as SIP, RTP, TCP, UDP, etc.
• Excellent analytical and problem-solving abilities to quickly diagnose complex issues under pressure.
• Strong verbal and written communication skills to effectively communicate with both technical and non-technical stakeholders, clients, and vendors.
• Level of English – from Advanced and above.

Desired skills

• Knowledge of German.
• Strong knowledge of Microsoft Teams Phone.
• Experience working in a service desk environment with a high level of customer orientation.
• Technical expertise in telephony (e.g., Cisco, Mitel, Avaya).
• Scripting experience with PowerShell.
• Troubleshooting skills in telephony and network environments.
• Willingness to participate in a 24/7 on-call rotation.

Reasons to join us

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• English courses.
• Private health insurance and compensation for sports activities.

Join us!