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

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 in electricity and gas supply. The company will enter soon the Telecommunication sector aiming to expand more the portfolio of services. As part of its development, Volton strengthens its human resources in Athens and seeks:

Senior Mobile Services Engineer

Position responsibilities:

• Design of mobile voice, short messages (SMS) and value-added services
• Evaluation and selection of technological solutions for the mobile network
• Design, development and operation of the
  • mobile network nodes supporting mobile voice & SMS
  • online charging systems and applications
  • interconnections with other national and international network operators
• Management of suppliers and subcontractors providing products and services related to the mobile network
• Implementation and monitoring of regulatory obligations of the company's network and services from technology perspective
• Specification and documentation of engineering, operations and change management procedures for the network and the mobile services
• Specification and monitoring of services performance and quality indicators. Preparation of appropriate reports
• 2^nd level support for network and subscribers’ problems

Necessary skills:

• Excellent knowledge and experience in technologies, protocols and architectures for the provision of telephony and SMS services in Mobile Communications Networks (2G/4G & 5G) and more specifically in:
  • Signaling protocols (SS7, SCCP, SIGTRAN, MAP, CAP, SIP etc.)
  • Core network nodes (GMSC, HLR/HSS, IMS, SBC, SMSC etc.)
  • Applications and systems based on the use of the Diameter protocol
  • Systems and protocols used for the provision of Value-Added and SMS services
  • Protocols and tools used in real-time charging systems (Online Charging)
• Good knowledge and experience in Cloud & Virtualization (NFV) technologies
• Knowledge of 3GPP & ITU standards
• Good understanding of IP networks and related protocols

Necessary qualifications:

• At least 8 years of experience in network technology projects related to Mobile Voice Services / Short Message Service / charging systems, ideally in a telecommunications service provider or technology vendor
• University Degree or relevant, in Engineering/Technology/Informatics direction
• Experience in managing large-scale technology projects
• Experience in interconnections projects of Network operators
• Excellent analytical and communication skills
• Fluency in English
• Related Technology certifications will be considered an asset

The company offers:

• Competitive remuneration package
• Mobile phone
• Private insurance
• Corporate benefits & perks
• Continuous training and professional development
• Excellent professional environment
• Modern and productive working facilities

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 Group on our site volton.gr