[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Pfizer · Greece-Thessaloniki Chortiatis # Senior Associate, Unified Communications (UC) Engineer Greece-Thessaloniki Chortiatis Full-time Senior individual contributor Marketing Listed on Pfizer’s official careers site. Posted November 2, 2026. Check that it is still open and apply there. [Apply on Pfizer’s careers site →](https://pfizer.wd1.myworkdayjobs.com/PfizerCareers/job/Greece-Thessaloniki-Chortiatis/Senior-Associate--Unified-Communications--UC--Engineer_4966291) [OpenNash Jobs](https://jobs.opennash.com/) / [Pfizer](https://jobs.opennash.com/companies/pfizer/) / Senior Associate, Unified Communications (UC) Engineer ## Job description ### Role Summary Pfizer’s purpose, breakthroughs that change patients’ lives, is rooted in being a science driven and patient focused company. Digital, data, and technology are central to driving innovation at Pfizer. Digital is at the core of how a modern Pfizer delivers Breakthroughs That Change Patient’s Lives. Advanced technologies that accelerate research, development, manufacturing, and patient access to therapies are all made possible by the infrastructures that enable our Digital landscape. The Unified Communications (UC) Engineer will engineer Projects including but not limited to new MS Teams Phone Implementations, migrations from Cisco IPT or PBX environments, building new MS Teams Service aspects as needs emerge, consult on MS Teams Phone service architecture, engage with cloud PSTN Vendors, and follow service roadmaps and standards. ### Key Responsibilities Role and responsibilities (include ‘must-have’ and ‘nice-to-have’) Designs, plans, and troubleshoots Microsoft Teams voice solutions. Configures and manages core communication capabilities in Microsoft Teams, including calling plans, phone systems, Direct Routing, and voice routing policies to optimize call quality. Sets up emergency calling, network settings, and call routing while understanding voice applications and services within Microsoft 365. Deploys Microsoft Teams Phone at an enterprise-wide scale across various platforms, including Windows, iOS, Teams Devices, and desk phones. Integrates Microsoft Teams with existing PBX and Cisco Systems, ensuring seamless functionality, call quality management, and troubleshooting. Continuously enhances expertise in Teams voice features and unified communication systems. Adheres to engineering methodologies, industry standards, and best practices. Produces clear, concise, and audience-tailored documentation. Follows Pfizer, C-TIES, and ITIL guidelines for Unified Communications (UC) Engineering. Ensures all work is completed and recorded in accordance with established standards, methods, and procedures. Provides troubleshooting, root cause analysis, and service improvement solution. ### 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, with the ability to present complex technical concepts to both technical and non-technical audiences. 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. Excellent management, interpersonal, communication, and organizational skills. Adaptability to shifting priorities, ambiguity, and rapid change in dynamic environments 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 is an added advantage. Experience supporting Windows platforms and Azure cloud environments is an added advantage. Knowledge of Microsoft Office and Power Apps to support complex data handling needs in projects (Excel Pivot tables, data exports/imports, Power Apps) is beneficial. Basic understanding of database technologies, including MySQL and MSSQL. Demonstrated intermediate to advanced knowledge of operating systems and dependent platforms, such as Microsoft Windows. Foundational understanding of networking concepts, including LAN, WLAN, WAN, DMZ, and VPN, as well as Quality of Service, Call Admission Control, and routing. Knowledge of troubleshooting tools and techniques for networks and systems, including remote access tools, Windows Support tools, and connectivity tests. Experience supporting applications, platforms, and services in clustered, federated, shared, or virtual environments. General understanding of IT security concepts as they relate to production environments. Please apply by sending your CV in English. ### Work Location Assignment Hybrid The annual base salary for this position ranges from €21.000,00. This salary range applies to the location Greece-Thessaloniki Chortiatis. We also offer a range of benefits and programs to meet colleagues’ needs. Benefits vary by location and can include health care coverage, retirement savings plans, insurance benefits, an Employee Assistance Program, wellness benefits and more. Additional details about total compensation and benefits will be provided during the hiring process. Pfizer compensation structures and benefit packages are aligned based on the location of hire. Final compensation will be determined based on the successful candidate’s relevant skills, experience, and qualifications, in accordance with pay equity principles and applicable employment laws. Purpose Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives. Digital Transformation Strategy One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience. Flexibility We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let’s start the conversation! Equal Employment Opportunity We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms – allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees. Disability Inclusion Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here! Pfizer endeavors to make www.pfizer.com/careers accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process and/or interviewing, please email disabilityrecruitment@pfizer.com. This is to be used solely for accommodation requests with respect to the accessibility of our website, online application process and/or interviewing. Requests for any other reason will not be returned. To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers. Information & Business Tech ## At a glance - Posted by the employer: Nov 2, 2026 - First seen by OpenNash: Nov 8, 2026 - Last checked: Nov 8, 2026 - Listed for: 6 days - Location: Greece-Thessaloniki Chortiatis - Employment type: Full-time[Apply on Pfizer’s careers site →](https://pfizer.wd1.myworkdayjobs.com/PfizerCareers/job/Greece-Thessaloniki-Chortiatis/Senior-Associate--Unified-Communications--UC--Engineer_4966291) ## Hiring at Pfizer - Open jobs: 626 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All Pfizer jobs](https://jobs.opennash.com/companies/pfizer/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Pfizer ### [Sr. Associate, GRC Automation and Analytics Developer](https://jobs.opennash.com/companies/pfizer/jobs/be49ac86a624fd8f6921/) Greece-Thessaloniki Chortiatis ### [​​Manager, IT Asset & Configuration Management Lead​](https://jobs.opennash.com/companies/pfizer/jobs/b9eed55e09c1d1226dae/) Greece-Thessaloniki Chortiatis ### [Senior Brand Manager Lorviqua -12 Month Fixed term](https://jobs.opennash.com/companies/pfizer/jobs/eedf18ca049334213a38/) Australia - New South Wales - Sydney ### [区域市场经理Local Marketing Manager](https://jobs.opennash.com/companies/pfizer/jobs/2af8d1dcd63f6272b796/) China - Beijing - Beijing ### [Senior Clinical Research Associate](https://jobs.opennash.com/companies/pfizer/jobs/8cf39f41aef5651f93f1/) Taiwan - Taipei ## Similar jobs at other companies ### [dwp unified communications messaging intern](https://jobs.opennash.com/companies/richemont/jobs/4ea0094cddd437a32c95/) Richemont ### [Unified Communications DevOps Engineer - VOIS](https://jobs.opennash.com/companies/vodafone/jobs/623a816163ad5933e675/) Vodafone · Pune, Maharashtra, India ### [Telephony & Unified Communications Engineer](https://jobs.opennash.com/companies/basf/jobs/62cc4a275a5b979e47e1/) BASF · URY ### [Unified Communications Engineer](https://jobs.opennash.com/companies/technipfmc/jobs/45500d58c7c58c20f3d0/) TechnipFMC · Hyderabad, TG, IN ### [Unified Communications, BA & Architecture Specialists (Mission Critical Communications Hub)](https://jobs.opennash.com/companies/capgemini/jobs/975df95f2ae304108e0f/) Capgemini · Stockholm [Marketing jobs](/functions/marketing/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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