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From the employer's careers site First seen 5 Nov 2026

Unified Communications (UC) Engineer

Pfizer Thessaloniki, Chortiatis Hybrid senior full-time

Salary

€21,000 per year

Apply on Pfizer

Description

Pfizer, a leading science-driven and patient-focused company, seeks a Unified Communications (UC) Engineer to play a critical role in driving innovation through digital technologies. The successful candidate will engineer projects, including new MS Teams Phone implementations, migrations from Cisco IPT or PBX environments, and building new MS Teams service aspects.

Key Responsibilities:

  • Design, plan, and troubleshoot Microsoft Teams voice solutions.
  • Configure and manage core communication capabilities in Microsoft Teams, including calling plans, phone systems, Direct Routing, and voice routing policies.
  • Set up emergency calling, network settings, and call routing while understanding voice applications and services within Microsoft 365.
  • Deploy Microsoft Teams Phone at an enterprise-wide scale across various platforms.
  • Integrate Microsoft Teams with existing PBX and Cisco Systems, ensuring seamless functionality and call quality management.
  • Continuously enhance expertise in Teams voice features and unified communication systems.
  • Adhere to engineering methodologies, industry standards, and best practices.
  • Produce clear, concise, and audience-tailored documentation.
  • Follow Pfizer, C-TIES, and ITIL guidelines for Unified Communications (UC) Engineering.
  • Ensure all work is completed and recorded in accordance with established standards, methods, and procedures.
  • Provide troubleshooting, root cause analysis, and service improvement solutions.

Basic Qualifications:

  • Bachelor's degree in Information Technology, Computer Science, or a related field.
  • 3+ years of related work experience in UC Engineering on on-prem and/or cloud systems.
  • Ability to work effectively within a multi-disciplinary team and independently.
  • Experience collaborating with third-party vendors, including PSTN carriers, cloud providers, Microsoft, and Cisco.
  • Demonstrated analytical and systematic problem-solving skills.
  • Strong verbal and written communication skills.
  • Proven ability to understand business needs and translate them into feature engineering solutions.
  • Self-motivated with a drive for continuous improvement, automation, and process optimization.

Preferred Qualifications:

  • Basic knowledge of key products, including Cisco Call Manager, Microsoft Teams, Telephony, Voice over IP, Public Switched Telephone Network, Internet, and cloud computing.
  • Hands-on experience with appliances such as AudioCodes SBCs and Cisco Voice Gateways.
  • Experience supporting Windows platforms and Azure cloud environments.
  • Knowledge of Microsoft Office and Power Apps.
  • Basic understanding of database technologies, including MySQL and MSSQL.
  • Demonstrated intermediate to advanced knowledge of operating systems and dependent platforms.
  • Foundational understanding of networking concepts.
  • Knowledge of troubleshooting tools and techniques for networks and systems.

Additional Information:

  • Work Location Assignment: Hybrid
  • Annual base salary for this position ranges from €21,000.00.
  • Pfizer offers a range of benefits and programs to meet colleagues' needs, including health care coverage, retirement savings plans, insurance benefits, an Employee Assistance Program, wellness benefits, and more.

Skills

Required

  • Microsoft Teams
  • Cisco Systems
  • Unified Communications
  • Voice over IP
  • Public Switched Telephone Network

Nice to have

  • AudioCodes SBCs
  • Cisco Voice Gateways
  • Windows platforms
  • Azure cloud environments
  • Microsoft Office
  • Power Apps
  • MySQL
  • MSSQL
Apply on Pfizer