Location
In office (Croatia)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 12, 2026.
Overview
Company
Impact
Profile match
Ohmium designs and commissions reliable, cost-effective green hydrogen electrolyzers that boost your business’s operational efficiency, sustainability, and economics.
Backed by Energy Transition Ventures
Job Description:
JOB OVERVIEW
The Engineer - Field Services cares for a fleet of deployed electrolyzers. Specifically tasked with all installation, commissioning, and ongoing maintenance activities, the individual uses an array of tools, documentation and programs to execute field work.
DUTIES AND RESPONSIBILITIES
- Oversee the installation, commissioning, and field test activities of hydrogen generating equipment performed by third parties, ensuring they meet Ohmium’s safety and quality standards and are completed in a timely manner.
- Execute any assigned task (regular maintenance, troubleshooting, commissioning, etc.) following strict safety and quality standards.
- Work safely (outdoors) in accordance with company, governmental, and local jurisdiction standards.
- Shift and site operations, troubleshooting and maintenance.
- Execute maintenance activities in accordance with available documentation and standards.
- Coordinate with contractors, customers and ROC to ensure all maintenance activities take place in a safe and timely manner, following specific technical procedures.
- Basic knowledge to handle and use electrical test equipment such as multimeter, clamp meter and insulation meter. Understand both the electrical and mechanical parts of the electrolyzer system.
- Support the development of documentation and standards.
- Complete diagnostics of electrolyzers, RO water and filter system, gas dryer and high pressure piping.
- Drive constant process and documentation improvements to eliminate waste and increase reliability.
- Manage complex workflows, including the efforts of sub-contractors, EPC partners and customers.
- Manage spare part and tool kit inventories and reduce operation cost. Ensure a clean and lean site.
- Register defect and material requirements.
- Have good working knowledge of MS Office.
- Exceed and follow customer facility standards and policies.
- Interface with customers and support their needs. First technical point of contact.
- Produce timely and detailed service reports.
- Support an on-call watch bill (standby status) and maintain watch list.
- Operate a service vehicle safely and maintain a driving record in good standing.
- Operate H2 gas compressor at site.
LOCATION, TRAVEL AND WORK ENVIRONMENT
- Travel requirements depend on the engineer’s home location. For Croatia-based engineers, travel will be limited and mainly within the region, to support local sites. Engineers supporting global product locations (Middle East, Europe, USA) may travel up to 50-60% of the time, including longer stays (1-2 months) for commissioning and start-up activities.
- Schedule: 40 working hours per week.
FORMAL EDUCATION, CERTIFICATIONS OR EQUIVALENT
- Post-secondary technical qualification in Electrical, Mechanical or Electronics (for example, Formación Profesional de Grado Superior in Spain, or the equivalent in other countries), or a Bachelor’s degree or Diploma in Electrical/Mechanical/Electronics Engineering.
- An equivalent combination of education, training, and experience will also be considered.
COMPETENCIES
- Strong safety mindset
- Strong hands-on capability
- Strong general engineering principles
- Good craftsmanship in all work
- Ability to lead by example, multitask, and delegate as needed
- High level of candor - ability to speak up and do the right thing
- Ability to create positive energy and a “Together We Win” mindset with the team
- Excellent customer focus
- Well organized and detail oriented
- High level of English, both written and spoken. Another European language is a plus (especially Croatian, Italian or Spanish).
WORK EXPERIENCE
- 3-5 years of experience working on complex, deployed systems, with exposure to erection, commissioning, testing, installation, maintenance, and operations.
- Preference will be given to candidates with maintenance, service or operations experience in oil & gas maintenance (as a contractor), industrial gases, solar plant / power plant / DG set installation, or compressor / gas / chemical / RO / DM plants.
- Experience with HMI and SCADA is an added advantage.
- Experience working in international and multicultural environments.
Ohmiumis an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
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