Senior Application Support Engineer

SEFE Group

Kassel

On-site

EUR 70,000 - 90,000

Full time

14 days+

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Benefits offered by this job

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 food choices
Job ticket and bike leasing options
Health and fitness programs
Company pension scheme

Job summary

An international energy company is seeking a Senior Application Support Engineer in Kassel, Germany. This role involves the operation and development of essential digital sales systems. Candidates must have a degree in informatics and at least 7 years of experience in web applications, alongside strong SQL skills. Excellent German and English communication abilities are crucial. The position offers flexible working hours, an attractive compensation package, and a supportive team culture.

Qualifications

  • At least 7 years of professional experience required.
  • Experience in operating web applications and SQL knowledge.
  • Knowledge of test, change, incident, and problem management.

Responsibilities

  • Responsibility for stable operation and further development of central systems.
  • Recording requirements and developing optimal technical solutions.
  • Participation in development, testing, bug fixing, and monitoring.

Skills

Java-based web applications
SQL
Cloud technologies
Agile methodologies (SCRUM/Kanban)
Analytical skills
Team-oriented working style
Excellent German and English skills

Education

(Business) informatics or comparable qualification

Job description

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.
WHAT WILL YOU BRING
  • 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
ABOUT US

Securing Energy for Europe – it’s a simple statement, with a bold ambition. SEFE is not just our name, but also encompasses everything that drives us. To accomplish this, we’re taking immediate action to secure gas supply – but also looking forward, to explore our role in the European energy transformation and how we can contribute to a stable and sustainable future.

SEFE, an international energy company, ensures the security of supply and drives the decarbonisation of its customers. SEFE’s activities span the energy value chain, from origination and trading to sales, transport, and storage. Through its decades-long expertise in trading and the development of its LNG business, SEFE has become one of the most important suppliers to industrial customers in Europe, with an annual sales volume of 200 TWh of gas and power. Its 50,000 customers range from small businesses to municipalities and multinational organisations. By investing in clean energies and especially in the hydrogen ecosystem, SEFE is contributing to the energy transition. The company employs around 2,000 people globally and is owned by the Federal Government of Germany.

Our international teams work across locations in Europe, Asia, and North America. We’re passionate about energy and the important role it can play in shaping a better future.

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

Job Title: Senior Application Support Engineer

Job Country: Germany

Job Location: Kassel, Germany

Posting Start Date: 24/12/2025

Business Function: Information Technology

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