Image that illustrates Operations engineer, treatment plant

Operations engineer, treatment plant

45 300 kr

Engineers and technicians in mechanical engineering

37 000 - 68 000 kr / month

Women earn 95% of what men do.

Tekniskt arbete

What will be the salary after tax?

Salary progression Operations engineer, treatment plant

Average salary 45 300 kr
Males 45 600 kr
Females 43 200 kr

What does a process engineer in a treatment plant do? – Tasks and work environment

Process engineers in treatment plants are responsible for monitoring, controlling, and optimizing the operation of facilities that treat wastewater before it is released into nature. Their tasks include overseeing technical systems and processes, troubleshooting, preventive maintenance, and developing new methods to improve treatment results. They often work closely with operations technicians and laboratory staff to ensure compliance with environmental requirements and regulatory standards. The work environment is varied and can include both office work and on-site tasks, where safety protocols and accuracy are paramount.

Salary development over time

The salary for process engineers in treatment plants has steadily increased over the past three years. In 2022, the average salary was 41,500 SEK per month, which increased to 43 700 SEK in 2023. The latest data from 2024 shows an average salary of 45 300 SEK, representing an increase of approximately 9.2% over the period. This positive trend can be partly explained by increased demand for technical expertise in water treatment, as well as a greater focus on sustainability and environmental protection. Employers have also needed to offer competitive salaries to attract and retain qualified staff amid increasing pension withdrawals and skills shortages in the industry.

Process engineer, treatment plant salary – comprehensive overview

  • Average salary: 45 300 SEK/month
  • Lowest salary: 37,000 SEK/month (women, public sector, 3-year high school education)
  • Highest salary: 68,000 SEK/month (women, municipal sector, postgraduate education)
  • Hourly wage: 272 SEK
  • Women: 43 200 SEK/month (95% of men's salary)
  • Men: 45 600 SEK/month
  • Regional differences: Limited data, variations may occur depending on location and employer

Education and qualifications

To become a process engineer in a treatment plant, a post-secondary education in engineering is usually required, preferably with a focus on environment, water, chemistry, or mechanical engineering. Many employers require a university engineering degree, but it is also possible to enter the role through relevant work experience and supplementary courses. Practical experience from process industries or the water and sewerage sector is often advantageous and can be decisive for employment or career advancement.

  • University engineering degree: 3 years, preferably with a focus on environmental or water processes
  • YH training: 2–3 years, e.g., process technician or water technician
  • Certifications: Courses in work environment, safety, or process automation
  • Internships: Longer internships or trainee programs provide valuable experience
  • Prerequisites: Basic eligibility plus mathematics and natural sciences

Working as a process engineer in a treatment plant often involves being a vital link between technology, the environment, and societal benefit. Many experience that the profession provides a clear sense of contributing to a sustainable society and better water quality for both people and nature.

– statsskuld.se

Common benefits and compensations

Common benefits for process engineers in treatment plants include wellness allowances, extra vacation days, skills development, and the possibility of flexitime. Occupational pensions, insurances, and various types of work clothing and protective equipment are often included in the employment package. Some employers also offer subsidized lunches or the option to work from home for administrative tasks.

Competition and challenges

Competition for positions as a process engineer in treatment plants varies depending on region and employer, but generally, it is a relatively small and specialized job market. The main challenge lies in meeting high demands for technical competence while staying updated on environmental legislation and digitalization of facilities. Another challenge is managing complex processes and quickly resolving unexpected operational disruptions without compromising safety. The industry is also facing a generational shift, with many experienced employees retiring, increasing the need for recruitment and knowledge transfer.

Tips for aspiring process engineers in treatment plants

To succeed as a process engineer in a treatment plant, it is beneficial to have analytical skills and a natural curiosity about technical processes. Being solution-oriented—able to quickly identify problems and act decisively when needed—is crucial. Precision and responsibility are vital, as errors in the process can have significant consequences for both the environment and society. Good collaboration skills facilitate teamwork with operations technicians, laboratory staff, and authorities. A willingness to continuously develop and stay updated on new technical solutions offers great advantages. Clear communication, both oral and written, is also valued, especially in reporting and training colleagues.

Key facts about process engineers in treatment plants

  • Education level: University engineering or YH training (2–3 years)
  • Work environment: Combined office and facility work, often scheduled daytime
  • Demand: 564 job openings in the profession during the latest survey
  • Gender distribution: Women earn 95% of what men do in the profession
  • Special skills: Process automation and environmental legislation are advantageous

Career paths and future prospects

After 3–5 years in the profession, there are good opportunities to advance to more specialized roles such as process engineer, technical coordinator, or operations manager. Some choose to further their education in environmental technology or project management to work on larger development projects or consulting assignments. According to the Swedish Public Employment Service, it is difficult to give an exact prognosis for the profession due to limited statistical data, but the overall demand for engineers and technicians in water, HVAC, and heating remains stable. The industry's future is positively influenced by increased environmental requirements and investments in sustainable infrastructure, indicating continued need for process engineers in treatment plants.

Frequently asked questions about process engineers in treatment plants

  • What does a process engineer in a treatment plant earn?
    - A process engineer in a treatment plant has an average salary of 45 300 SEK per month.
  • What education is required to become a process engineer in a treatment plant?
    - Typically, a university engineering degree or YH training in technology, environment, or water processes is required.
  • Are there regional differences in salary?
    - Yes, salaries can vary depending on location and employer, but detailed statistics are limited.
  • What is the work environment like for a process engineer in a treatment plant?
    - The work environment is varied and includes both office work and on-site tasks.
  • Is it difficult to find a job as a process engineer in a treatment plant?
    - Currently, there are 564 job openings, indicating good opportunities.
  • What are the most common benefits?
    - Wellness allowances, skills development, flexitime, and occupational pension are common benefits.
  • Are there salary differences between men and women?
    - Yes, women earn on average 95% of what men do in the profession.

Who has the highest salary?
The highest salary for a Operations engineer, treatment plant is 68000 kr. This salary belongs to a woman working in the Municipal sector with a postgraduate education. The highest salary for a man in this profession is 50500 kr.
Who has the lowest salary?
The lowest salary for a Operations engineer, treatment plant is 37000 kr. This salary belongs to a woman also working in the Public sector. The lowest salary for a man in this profession is 39900 kr.
Salary distributed by age and sector
Age Women's salary as a percentage of men's Base salary Monthly salary
18-24 100% 33500 kr 34400 kr
25-34 98% 40200 kr 40900 kr
35-44 102% 43600 kr 45000 kr
45-54 95% 48200 kr 49400 kr
55-64 93% 44900 kr 46300 kr
65-68 48200 kr 49400 kr
Snitt 95% 44100 kr 45300 kr
Salary per sector
Salary based on education
Register an account before you can comment

To write a comment you need to create an account.


Default Avatar

About the data

All information displayed on this page is based on data from the Swedish Central Bureau of Statistics (SCB), the Swedish Tax Agency and the Swedish employment agency. Learn more about our data and data sources here.

All figures are gross salaries, meaning salaries before tax. The average salary, or mean salary, is calculated by adding up the total salary for all individuals within the profession and dividing it by the number of individuals. For specific job categories, we have also considered various criteria such as experience and education.

Profession Operations engineer, treatment plant has the SSYK code 3114, which we use to match against the SCB database to obtain the latest salary statistics.

Search salary statistics for occupation
8000 kr
<-|->
90000 kr
Vacant jobs
Similar occupations
Latest posts
  • Public Opinion - Opinion Poll Status Novus: Unchanged Support – Social Democrats Largest
    Wed, 19 Nov 2025 - 08:35
  • National Debt - The National Debt – Level, Development, and Significance for Sweden
    Wed, 8 Oct 2025 - 08:00
Salary, Taxes, and Fees
Net salary 31 377
Net salary
31 377
Taxes
11 738
Fees
12 129

With our Swedish tax calculator, you can easily calculate your after-tax income (net salary).

Swedish Church Member

* Updated with 2025 taxes