Data Support Engineer

Department:
Data Initiative - Technology

Location:
Athens

Description
We are seeking a Data Support Engineer with proven experience supporting clients on API integrations, data pipelines, or technical onboarding. The ideal candidate will have a strong technical foundation in data access and troubleshooting, and be able to quickly catch up with energy industry general knowledge. In addition, the candidate must be able to demonstrate excellent communication skills, a service-oriented mindset, and the ability to collaborate effectively with both engineering and customer-facing teams.

You will be the first line of support for resolving client-facing data issues and play a key role in ensuring a smooth integration experience for our clients.

Key Responsibilities

• Provide first-line technical support
  for clients integrating with our APIs, data feeds, and file delivery systems
• Troubleshoot and resolve data access issues
  , helping clients diagnose problems and coordinating with Engineering teams where escalation is needed
• Act as the technical voice in customer conversations
  , translating client issues into clear technical actions and ensuring timely, accurate responses
• Collaborate closely with the Customer Success team
  to ensure a seamless post-sales experience and surface recurring issues or feature requests
• Document common issues and integration guidance
  , helping scale support through internal tools, knowledge bases, and onboarding materials

Requirements

• Strong understanding of REST APIs, JSON, and common data formats such as CSV, XLSX
• Comfortable using Postman, or similar tools, to investigate API calls and response
• Familiarity with Python, SQL, or scripting to assist in diagnostics or reproducing client issues
• Excellent communication skills with the ability to explain technical concepts to both technical and non-technical audiences
• Experience working in a customer-facing or support environment with a strong service mindset
• Ability to triage issues effectively and collaborate across teams

Desirable skills

• Experience with logging platforms, ticketing systems (e.g. Freshdesk, Jira), or monitoring tools
• Exposure to data products in financial, commodities, or energy sectors
• Understanding of authentication standards (e.g. OAuth, API keys) and basic networking concepts
• Interest in continuous improvement of support processes, documentation, and tooling

Job Benefits
Welcome to our unique workplace where a passion for our industry-leading product sits at the heart of who we are.

Life at EA is completely eclectic, fostered through the global nature of the business and a real appreciation of the many cultures of our diverse team. We unite as a single, cohesive team through an array of social clubs that cater to a spectrum of interests, from running and yoga to football and culinary adventures. These groups create a collegial and dynamic atmosphere that extends beyond work, promoting a healthy and balanced lifestyle for our team.

Our strategically located offices are all set in prestigious buildings, offering you the convenience of nearby gyms, retail therapy, diverse dining options, and accessible public transport.

Our office spaces are thoughtfully equipped to enhance your day-to-day experience whether working independently or collaborating with teammates. Enjoy the simple pleasures of a freshly brewed coffee, healthy snacks, and a social space for celebratory moments. One of the unique traits of life at Energy Aspects is the way our international colleagues often delight us with treats from around the globe. It's safe to say you'll never go hungry in our offices

We recognise your contribution with a competitive compensation package that includes annual bonuses, comprehensive private health insurance, and substantial pension contributions. Additionally, we offer company share options, subsidised gym memberships, and a generous holiday policy to support your financial and personal well-being.

Join a company that values your professional growth and personal fulfilment, all within a supportive and engaging environment.