sinnogy GmbH | Germany | 79xxx Freiburg | Permanent position | Part time - flexible / Full time / Home office | Published since: 13.05.2026 on stepstone.de
Senior Project Engineer Climate-Neutral Heating Networks (m/f/d)
The heat transfer scales. Your lever, too. While many planners still dimension conventional fossil-fired heat networks, you plan cold, warm and hot heat networks with climate-neutral heat sources for entire quarters and districts – for thousands of people who will be supplied independently and climate-neutral in the future. The market is there and is growing rapidly. And who changes now can move much more than later. .
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Your tasks • Your profile • What we offer
Planning and realisation from a single source: You plan and implement heat networks independently in the performance phases 3 to 7 of HOAI and LPH 8 for regional projects. You will implement regional projects together with partners – nationwide travel is not required. Network planning: You will first set up trash plans, line guides and network calculations for near and district heating networks, including pipe network calculations (pressure loss, heat loss). Civil engineering coordination: You coordinate civil engineering measures in close cooperation with our specialist partners – from the route to earthworks and pipe trench construction to coordination with authorities, management bodies and utilities. Pipe static: You perform tube-static detection and calculate strain equalizers and fixed points. Application documents: You will start complete execution documents – performance directories, quantity determinations and submission documents. Project coordination: You coordinate and communicate with authorities, civil engineering companies, contractors and internal project participants. Customer communication: You tune project requirements in close cooperation with our customers. Quality development: You actively participate in the further development of our standards, planning processes and technical guidelines.
·Solide Training as a basis: You have completed a degree in utility technology, energy and building technology, mechanical engineering or comparable, or bring a training as a state-tested technician:in or master:in with relevant professional experience. Real project experience: Ideally you have several years of experience in the planning and implementation of heat networks, district heating networks or refrigeration networks, preferably in LPH 3 to 8 of HOAI and in the structures of cost group 220 (public development). Pipes under control: You control the pipe system calculation and grid design and are safe to use common network planning software (e.g. STANET, sisKMR or comparable). Experience in civil engineering: You have knowledge of trash planning, management law, regulatory approval procedures and coordination with management bodies. Safe with the right tools: You work routiniert with tender software like ORCA AVA, CAD software (AutoCAD, Revit MEP or comparable) and common calculation tools. Structured, independent, clear: you think solution-oriented, work independently and communicate openly, both with clients and internally. German knowledge at a high level: You communicate safely and precisely in German in word and writing (at least C1).
Effects that you see and that comes to mind: When you start your project, you know: thousands of people can now enjoy a truly independent and future-proof warmth. This is not an abstract sustainability goal in the future. This is an effective Impact that counts today. Future technologies that are already standard with us: cold to hot heat networks with geographically distributed climate-neutral heat sources, heat pumps and large heat storage systems: what is still future music for many planning offices is already a project standard for us. Modern planning tools instead of self-knit Excel tables: As an experienced senior planner, sinnogy provides innovative GIS-based simulation programs and planning tools that match your expertise. Project responsibility instead of detail task: At sinnogy you take projects from initial planning to commissioning, with budget and appointment responsibility. No subtasks, no half responsibilities. You meet the decisions and experience the result in implementation. Pioneer of construction: Instead of being trapped in rigid routines, you actively shape the construction of the new execution planning and construction management business with your ideas – from the outset. At sinnogy: With around 30 employees, we develop innovative supply concepts for the climate-friendly heat supply of quarters, villages and municipalities. More than 10,000 people are already living and working climate-neutrally through our work. Freiburg – and the freedom to work flexibly: our location offers extraordinary quality of life. Work from the office in Freiburg or from the home office, with flexible working hours and a family-friendly environment oriented towards your life. And the best: No assembly, no nationwide service trips. Your projects are implemented from Freiburg – also in a national context. And in addition: an indefinite setting with a remuneration above the market average, individual training offers and professional development opportunities, Jobrad, Hansefit, Workation and regular team events. .
Location
![]() | sinnogy GmbH | |
| Freiburg | ||
| Germany |
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