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Bilfinger is an international industrial services provider with a vision to be the No. 1 for its customers in enhancing efficiency and sustainability within the process industry. Bilfinger’s comprehensive portfolio spans the entire value chain, from consulting & engineering to prefabrication & installation, access & insulation, and services that improve the asset performance of industrial plants. The company operates in three geography-based segments: Western Europe, Central Europe, and International, with primary activities in Europe, North America, and the Middle East. Its process industry customers come from markets such as chemicals & petrochemicals, energy, oil & gas, and pharma & biopharma. With about 31,000 employees, Bilfinger upholds the highest standards of safety and quality, generating revenue of €5.4 billion in the financial year 2025. To achieve its goals, Bilfinger has identified two strategic levers: Operational Excellence to continuously improve its own efficiency and performance, and Market Expansion to strengthen customer orientation and establish Bilfinger as the partner of choice. We are Bilfinger Life Science We practice open cooperation We support each other and celebrate our successes together We travel a lot and work on exciting international projects We are easily accessible by public transportation and bike paths We promote professional and personal development Tasks as Principal Process Engineer Industrial Waste Water Treatment You will assume technical responsibility for the planning, process design, commissioning, and optimization of industrial wastewater treatment systems, ranging from the selection of suitable unit operations to the design of complete treatment trains for clients in the semiconductor and battery cell industries. As Technology Owner, you will drive the technical advancement of solutions, standards, and best practices. In this role, you will support technical proposal development, prepare process specifications, and take responsibility for technical tenders and supplier selection. You will lead process engineering activities within projects, support Process Engineers during project execution, and manage commissioning activities as well as Factory Acceptance Tests (FATs) and Site Acceptance Tests (SATs). You will represent technical expertise toward clients, partners, and suppliers and make a significant contribution to knowledge development, knowledge transfer, and coaching activities within the Advanced Industries Competence Center. We are looking forward meeting a candidate with Completed education in a scientific or engineering discipline, such as Process Engineering, Environmental Engineering, Chemical Engineering, or a related field; a PhD is considered an advantage. More than 10 years of experience in the planning, process design, commissioning, and optimization of industrial wastewater treatment plants, including process selection, material and mass balance calculations, chemical dosing, and hydraulic design. Strong technical expertise in key unit operations and treatment trains used in industrial wastewater treatment, particularly equalization/homogenization, neutralization, precipitation, coagulation, flocculation, sedimentation, lamella clarification, filtration, sludge treatment, and water recycling. Proven experience as a Lead Engineer, technical subject matter expert, or Technical Authority in the execution of complex industrial projects. Knowledge of selective ion removal, membrane technologies, or biological treatment processes within the context of industrial wastewater treatment is an advantage. Excellent self-management skills, a structured working approach, strong quality awareness, and willingness to travel. Collective agreement gross annual salary starting at €64,000. The actual salary is higher and will be agreed individually. For further information please contact [[recruiterName]] (+43 664 88288 231).
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.