Voice Services Engineer

5 days ago

Athens, Attica, Greece Volton Full time

Volton Hellenic Energy SA is a Greek company that is dynamically active and is rapidly increasing its capacity in the field of Electricity Supply and Trading, in the Gas Energy Sector and in the field of Telecommunications (through Orizon).

By offering reliable services that meet the ever-growing energy needs of businesses and households, Volton aims to build solid and trustful relationships with its customers. The company's ambition is to become one of the most important companies in the industry and remain at the forefront of developments as the first multiservice provider combining Electricity, Natural Gas and Telecommunications.

As part of its development Volton strengthens its human resources in Athens and seeks a Voice Engineer.

Responsibilities

  • Design, develop and operate network nodes supporting: Mobile voice & SMS services, Fixed voice services, Online charging systems
  • Manage suppliers and subcontractors delivering products and services related to the mobile and fixed core network
  • Specify and document engineering, operations and change management procedures
  • Provide 2nd level support for network and subscriber-related problems
  • Participate in projects related to voice services
  • Test, verify and accept new software versions, functionalities and services
  • Participate in the change management process for live network configuration changes
  • Assist in troubleshooting resolving network emergency incidents

Requirements

  • Minimum of 3 years of experience in voice services or a similar role
  • University Degree in Telecommunications, Electrical/Electronic Engineering, IT or a related field
  • Solid understanding of voice network architecture and services (Voice, SMS, VoLTE)
  • Experience with IMS core nodes (e.g., CSCF, TAS, HSS) and related interfaces
  • Hands on involvement voice core nodes (e.g., GMSC, HLR, SBC, SMSC) and related interfaces
  • Familiarity with Cloud & Virtualization (NFV) technologies
  • Good understanding of IP networks and related protocol

Personal Skills

  • Excellent analytical and communication skills
  • Strong team spirit and collaboration
  • Problem-solving mindset with the ability to resolve issues quickly and effectively
  • Fluency in English, both oral and written

Benefits

  • A competitive fixed salary package aligned with your experience and expectations
  • Hybrid working model
  • Private insurance, corporate benefits and perks
  • Continuous training and professional development
  • Excellent professional environment
  • Modern and productive working facilities

Don't miss the chance to join a Great Place to Work-Certified Company that fosters a positive work environment, proudly recognized as a Best Workplace for Women 2025.

All applications will be treated with confidentiality. If your CV meets the requirements of the job, we will contact you by phone to schedule an appointment. Information about the company on our site

  • Senior UC Voice Engineer

    5 days ago

    Athens, Attica, Greece Uni Systems Full time

    We are continuously growing and we are looking for a Senior UC Voice Engineer to join our Unified Communications team. Our UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one thing in common: passion for technology and innovationFor the Senior UC Voice Engineer position we...

  • Junior Field Service Engineer

    4 days ago

    Athens, Attica, Greece Uni Systems Full time

    At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Junior Field Service Engineer to join our UniQue team.What will you be bringing to the team?Our UniQue people come from a variety of different backgrounds and industries, with different skillsets and approaches, but they have one...

  • Civil Engineer

    5 days ago

    Athens, Attica, Greece Triton Act Full time

    Company DescriptionTriton Act SA is a European-based construction services company specializing in Special, Private, and Hospital Buildings in Athens, Greece. The company is recognized for innovation, embracing emerging technologies, and creating a positive impact for clients, employees, and the community. Through technical expertise and promoting innovative...

  • Data Engineer

    5 days ago

    Athens, Attica, Greece Cepal Hellas Financial Services S.A. Full time

    The Data Engineer is responsible for designing, developing, implementing, and supporting reports and data transformations with a focus on PySpark and SQL. The ideal candidate must have hands-on experience with these technologies and should be familiar with modern UI technologies, specifically Main AccountabilitiesAnalyzes business requirements and develop...

  • Senior Piping Engineer

    4 days ago

    Athens, Attica, Greece ENOIA SA Full time

    ENOIA Greece is hiring Piping Engineers to join our expanding Athens-based teamWe're looking for professionals ready to collaborate with a seasoned group of engineers and contribute to the design, coordination, and execution of multidisciplinary projects across Oil & Gas, Power, Pharma, and Infrastructure sectors. ResponsibilitiesReview Engineering documents...

  • Senior Electrical Engineer

    5 days ago

    Athens, Attica, Greece ENOIA SA Full time

    ENOIA SA, a leading Engineering and Project Development Consultant, is seeking highly skilled and experienced Senior Electrical Engineers to join our dynamic team in Athens. The successful candidates will play a pivotal role in our projects, focusing on power distribution, lighting design, earthing design, and lightning protection. As a Senior Electrical...

  • Data Engineer

    5 days ago

    Athens, Attica, Greece InTTrust Full time

    InTTrust is a trusted Technology and Digital Solutions provider creating value for customers, encompassing IT Consulting and Implementation services, Database Operation, Administration and Optimization services, IT Managed Services, Cloud Governance & Security services. We are experts on Digital Transformation Solutions, Custom Applications Development &...

  • Engineering Manager

    5 days ago

    Athens, Attica, Greece Orfium Full time

    About the RoleWe are looking for an Engineering Manager to join us to drive and scale up our products,  systems and services in the Entertainment industryYou will primarily support the growth of Orfium's Cue Sheets management engineering team and the improvement of an outstanding Orfium product, and focus on building & developing a high-performing...

  • Civil Engineer

    5 days ago

    Athens, Attica, Greece ManpowerGroup Greece Full time

    Are you a Civil Engineer passionate about renewable energy and eager to work on cutting-edge projects? Do you have experience in the wind and solar energy sector and knowledge of onshore wind and photovoltaic technologies?ManpowerGroup Greece, on behalf of EDF Renewables Hellas, a world leader in the renewable energy sector, is looking for a Civil...

  • German Speaking Search Engine Consultant

    5 days ago

    Athens, Attica, Greece Patrique Mercier Recruitment Nordic Full time

    Patrique Mercier Recruitment Nordic is thrilled to offer a position for a German Speaking Search Engine Consultant. This exciting opportunity will allow you to work with a diverse clientele, assisting German-speaking clients in optimizing their online presence through effective search engine strategies. Your expertise will play a crucial role in enhancing...