Senior Application Support Engineer

Senior Application Support Engineer

IN SHORT

Our team “Offer Management & Digital Channel” is responsible for the sales-oriented systems in which prospects become customers: CRM, customer portal, product configurator, and our own solution for the Sales Desk. Here, offers for energy sales are created, finalized, and handed over to delivery. We are looking for a Senior Application Support Engineer (m/f/d) to help us shape the future of digital sales systems.

What Will You Do

• Operation & further development of central systems Responsibility for the stable operation and further development of the product configurator as well as support of the CRM system and its interfaces.
• Requirements & solution management Recording requirements together with business analysts and product owners and developing optimal technical solutions.
• Technical implementation & quality assurance Participation in development, testing, bug fixing, and monitoring as well as maintenance of the relevant documentation.
• Service, incident & vendor management Handling incidents and service requests according to ITIL standards in ServiceNow and managing external service providers.
• Project work & agile further development Driving projects for the digitization and optimization of sales processes and implementation using agile methods such as SCRUM.

• Completed studies in (business) informatics or a comparable qualification
• At least 7 years of professional experience
• Experience in operating Java-based web applications and good SQL knowledge
• Knowledge of test, change, incident, and problem management
• Familiarity with cloud technologies, especially Azure
• Analytical, communicative, and team-oriented working style
• Experience with agile methods such as SCRUM/Kanban
• Excellent German and English skills

SEFE is an international energy company anchored in Europe, delivering energy solutions that ensure reliable and affordable supply. Our activities span the entire energy value chain – from origination and trading to sales, transport and storage. With decades of trading expertise and a growing LNG portfolio, SEFE is one of Europe’s leading suppliers to industrial customers, providing more than 200 TWh of gas and power each year. We supply over 50,000 clients, from small businesses to municipalities and multinational organisations. By investing in clean energies, we support our customers on their decarbonisation journey and contribute to the energy transition. SEFE employs over 2,000 people worldwide and is owned by the Federal Government of Germany.

Securing energy – now and for the future.

Our Benefits

We stand for an inclusive environment that fosters diversity and values the development of knowledge and skills. Regardless of position, we offer you a high degree of autonomy and a pleasant atmosphere that encourages innovation and participation. Additional benefits include:

• Flexible working hours with hybrid work options
• Attractive compensation package
• Appealing work environment in a central location
• Team-oriented culture with open feedback
• Company cafeteria offering healthy and diverse food choices
• Job ticket and bike leasing options
• Health and fitness programs
• Company pension scheme
• 30 vacation days plus additional special leave

Apply now

Job Title: Senior Application Support Engineer

Job Country: Germany

Job Location: Kassel, Germany

Posting Start Date: 17/04/2026

Business Function: Information Technology

Contract Type: Permanent