HELIOS (Europe) Technologies GmbH is an independent EU Owned and Operated Company affiliated with ADAPTIT S.A.. HELIOS Europe HQ is located in Dusseldorf Germany with RF and IT support activities in Athens Greece.
This is a full-time position, located in Athens Greece. The Baseband Unit (BBU) Support Engineer is responsible for the installation, commissioning, maintenance, and troubleshooting of HELIOS 5G BBU and gNodeB hardware and software, working along with our 5G RAN Support Team. You will ensure high performance and reliability for our Private 5G equipment during commissioning and after sales maintenance.
Key Responsibilities
- Commissioning and Integration: Perform commissioning of 5G BBU/gNodeB, including loading data configuration files, managing site alarms, and verifying functionality.
- Troubleshooting: Identify, analyze, and resolve 5G network performance, connectivity, and hardware issues (Level 1/2 support).
- Maintenance: Conduct on-site and remote health checks, upgrades, and maintenance of 5G infrastructure.
- Documentation: Create and maintain technical documentation, including site-specific configuration reports and Root Cause Analysis (RCA).
Requirements
- A technical degree in Engineering, Telecommunications, or a closely related discipline is required.
- Approx. 3-5 years’ applied experience in a similar role is a primary requirement.
- Hands-on experience with 5G RAN (BBU/gNodeB) configuration and troubleshooting.
- Good knowledge of 3GPP protocols (L1–L3: PHY, MAC, RLC, RRC, NAS) and IP networking (TCP/IP, IPv4/IPv6).
- Familiarity with 5G SA architecture, core interfaces, and C-RAN / vRAN concepts.
- Experience with Linux/UNIX (CLI) and log analysis using tools such as Wireshark, TEMS, or Nemo (at least one).
- Basic understanding of fiber/RF cabling and telecom site environments.
- Basic scripting skills (Python or Bash) are a plus.
- Strong analytical and troubleshooting skills in operational environments.
- Effective communication in cross-functional and international teams.
- Flexibility for on-call support, maintenance windows, and occasional EU travel.
Group ADAPTIT is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, disability, sexual orientation, gender identity, or religion.
Benefits
- Private Medical and Life Insurance plan
- Commuting expenses for business purposes
- Hybrid work model
- Training programs and certifications
- A new IT equipment provided
- A "buddy" program to help you settle in and thrive
Group ADAPTIT is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, disability, sexual orientation, gender identity, or religion.
Skills Required
- Technical degree in Engineering, Telecommunications, or related discipline
- 3-5 years' experience in a similar role
- Hands-on experience with 5G RAN configuration and troubleshooting
- Knowledge of 3GPP protocols and IP networking
- Familiarity with 5G SA architecture and C-RAN/vRAN
- Experience with Linux/UNIX and log analysis tools
- Basic understanding of fiber/RF cabling
- Basic scripting skills (Python or Bash)
- Analytical and troubleshooting skills
- Effective communication skills
- Flexibility for on-call support and travel
What We Do
ADAPTIT SA thrives on developing cutting-edge solutions that push the boundaries of what's possible in many industries (Telecommunications, Financial, Transportation, Utilities, Retail). The company embraces change and innovation, constantly evolving the products and services to stay ahead in a rapidly evolving IT, OT and IoT landscape. A comprehensive portfolio of solutions includes: -Professional Services -Access Network (RAN and Fixed Access) -Core Network -Critical Communication Networks -Test & Measurement -B/OSS Systems -Cyber Security for the IT/OT/IoT, through its own Industrial SOC and facilities with NATO Secret certificate -a new IoT Platform -XR technologies (AR/VR/MR) -Drone services -Dedicated teams on software development and R&D. ADAPTIT participates in various European Programs related to Research, Innovation and IT. -Harnessing the power of Cloud, AI/ML and Big Data analytics to drive data-driven innovation ESG consciousness and focus on twin transition (green and digital) is woven into the fabric of all operations and foster a culture of collaboration and creativity, where diverse perspectives come together to drive innovation forward. ADAPTIT’s commitment to quality, security and ESG is acknowledged by its certifications: ISO 9001/14001/22301/27001/37001/45001/27701, certification of the National Industrial Safety Regulation and Facilities with NATO Secret certificate/Clearance. ADAPTIT is active member of Chambers of Commerce (American-Hellenic, German-Hellenic, Chinese-Hellenic), SEV (Hellenic Federation of Enterprises) and SEPE (The Federation of Hellenic ICT Enterprises). The company has continuous presence as exhibitor at MWC since 2012. ADAPTIT Group of Companies is an International Group with strong presence in many countries with the companies: ADAPTIT SA, ADAPTIT GmbH, ADAPTIT BULGARIA, HELIOS EUROPE TECHNOLOGIES (in association with Fujian Helios Technologies), CLOUDROCK (AI-based "Intelligent" Data Center) & TELCOSERV S.A.
