2413832 Greencells GmbH Saarbrücken Sucursala Cluj-Napoca Cluj Accounting Festangestellte (Senior) Accountant (m/f/d) Your mission
  • Accounting of multiple entities of the Greencells Group, including sub-ledgers and general ledger
  • Ensuring VAT compliance in an international group environment
  • Maintenance, quality assurance and continuous development of master data management
  • Active involvement in the preparation of monthly and annual financial statements in accordance with applicable accounting standards
  • Processing, managing and monitoring international payment transactions
  • Supporting group intercompany accounting and liaising with internal and external stakeholders
  • Designing, implementing and continuously improving internal control systems (ICS)
  • Preparing meaningful analyses and management reports
  • Participating in interdisciplinary and international projects as well as supporting process and system improvements

    • ]]>     Your profile
  • Several years of professional experience in finance and accounting or a comparable role, ideally in an international corporate environment
  • Solid experience and knowledge in VAT
  • Fluent English skills; German language skills are an advantage
  • Very good command of MS Office, particularly Excel
  • Strong hands-on mentality, high level of independence and willingness to take ownership
  • Team-oriented, reliable and structured working style
    • ]]>     What we offer
  •   Independent work within a dedicated team
  •   Employment in a growing, international company with a startup mentality
  •   Open and friendly working atmosphere
  •   Company sports program (7Card)
  •   Meal vouchers
  •  Allianz Tiriac medical insurance 
    • ]]>     permanent experienced full-time 5-7 accounting,bookkeeping,finances other other 2025-11-03T15:25:19+00:00     2524403 Greencells GmbH Remote (GBR) Engineering Festangestellte Commissioning Engineer m/fd (Solar PV – Construction & Energisation Focus) Overview We are seeking a Commissioning Engineer specialising in utility-scale solar PV projects. This role focuses exclusively on the construction, testing, energisation, and handover phases of solar farms. You will ensure that all electrical systems are installed correctly, tested safely, and commissioned in accordance with project specifications, UK regulations, and DNO requirements.

    You will work closely with EPC contractors, HV specialists, ICPs, and internal engineering teams to deliver fully operational, grid-compliant solar PV plants.

    ]]>     Your mission
  • Review design packages, installation standards, and commissioning procedures for compliance with project and DNO requirements.
  • Inspect installation quality for PV arrays, inverters, combiner boxes, transformers, switchgear, cables, and SCADA systems.
  • Ensure all equipment is installed according to UK electrical standards, OEM manuals, and safety regulations.
  • Verify HV/MV installation readiness for energisation, including substations, RMUs, switchgear, and protection systems.
  • Lead onsite commissioning activities for all solar electrical systems, including string testing, IV curve testing, inverter commissioning, HV/MV cable tests, transformer tests, protection relay testing, and SCADA validation.
  • Coordinate with DNOs/ICPs for energisation, witnessed tests, and grid compliance (G99).
  • Identify, troubleshoot, and resolve commissioning issues such as communication faults, inverter trips, protection issues, and performance deviations.
  • Validate system performance, including PR, voltage regulation, reactive power capability, and plant controller operation.
  • Ensure successful completion of G99 commissioning tests and all DNO‑required checks.
  • Produce commissioning documentation, test reports, redlines, and handover packages.
  • Support PAC/FAC milestones and close out punch‑list items.
    • ]]>     Your profile Skills & Qualifications
    • Degree or vocational qualification in Electrical Engineering, Renewable Energy, or similar.
    • Hands-on experience commissioning utility-scale solar PV or large electrical infrastructure.
    • Strong understanding of HV/LV systems, electrical protection, inverter technology, and solar plant controls.
    • Ability to read and interpret technical drawings, I/O lists, functional diagrams, and protection settings.
    • Comfortable working on active construction sites and performing field-based troubleshooting.
    • Strong communication skills and ability to coordinate with EPCs, ICPs, OEMs, and internal stakeholders.
    Desirable
    • Experience with G99 commissioning and DNO witnessing processes.
    • HV authorisation (DNO or private network).
    • Familiarity with OMICRON/Megger test kits.
    • Experience with hybrid PV + BESS commissioning.
    • Experience with SCADA systems, networking, fiber optics, and data acquisition.
    ]]>     What we offer
  • Independent work in a committed team
  • Work in a growing, international company with a start-up mentality
  • Open and friendly working atmosphere
  • Flexitime model with core working hours
    • ]]>     permanent experienced full-time engineer,commissioning engineer general_and_other_engineering engineering 2026-02-10T08:39:16+00:00     2538240 Greencells GmbH On Site Construction Initiativbewerbungen Construction Site Manager (m/f/d) Overview Your mission
  • Accountable for the on-site execution of PV EPC projects from mobilization through commissioning, energization, and final handover
  • Lead and coordinate all daily construction activities in alignment with the project schedule and contractual milestones
  • Oversee, coordinate and manage the performance of internal teams, subcontractors, site engineers, supervisors, and technical personnel to ensure efficient execution of works
  • Provide technical guidance and leadership to project managers and site teams; develop, mentor, and evaluate staff while assigning responsibilities to ensure high performance
  • Ensure full compliance with company procedures, corporate Quality Assurance policies, HSE standards, legal/statutory requirements, site safety requirements,  environmental legislation and industry best practices
  • Ensure all works are executed in accordance with technical specifications, contractual obligations, regulatory requirements, and quality standards, including conducting inspections and overseeing corrective actions where required
  • Maintain accurate daily records of progress, completed quantities, outstanding works, and construction performance
  • Provide structured daily and weekly reports on construction progress, risks, delays, resource requirements, and procurement/logistics updates 
  • Report directly to the Head of Projects and Project Manager
  • Ensure accurate and timely project documentation to support payment milestones, claims management, audits, and contractual compliance
  • Support and coordinate commissioning and testing activities to ensure full readiness for energisation and project handover
  • Facilitate effective communication and coordination between all internal and external stakeholders
  • Identify opportunities to optimize construction methods, workflows, and site processes, and implement approved improvements to enhance efficiency and reduce risk
  • Contribute to the continuous development and improvement of Greencells construction standards and best practices
    • ]]>     Your profile
  • Engineering degree (civil, electrical, mechanical) or equivalent relevant qualification
  • Minimum 3 years of site management experience in electrical infrastructure projects with overall site responsibility
  • Strong understanding of construction methodologies, testing/commissioning, quality control, and HSE regulations
  • Experience with project controls, scheduling tools (MS Project, MS Planner), MS Office, and document control systems
  • Knowledge of contract management and standard contract forms
  • Demonstrable experience of construction cost, schedule, risk, technical and quality management
  • Excellent communication skills across all levels (internal and external)
  • Leadership, decision-making, and problem-solving abilities
  • Organized, hands-on, detail-oriented, and delivery-focused
  • Commercial awareness and ability to work autonomously
  • Proven track record of delivering projects safely, on time, and on budget
  • Willingness to travel to and between the different project sites
  • Fluency in English is mandatory, German and/ or other European languages are seen as an advantage
    • ]]>     What we offer
  • Independent work in a committed team
  • Work in a growing, international company with a start-up mentality
  • Open and friendly working atmosphere
  • Flexitime model with core working hours
    • ]]>     permanent experienced full-time Construction Site Manager,Construction,Site,Site Manager,Solar PV,Solar general_and_other_installation_and_maintenance_and_repair installation_and_maintenance_repair 2026-02-20T10:43:25+00:00     2619943 Greencells GmbH Saarbrücken Project Controlling Festangestellte Financial Project Manager / Project Controller (m/w/d) permanent experienced full-time Financial Project Manager,Controlling Manager,Project Controller general_other_accounting_finance accounting_and_finance 2026-04-30T15:15:29+00:00 55000.00 70000.00 € EUR yearly 2524463 Greencells GmbH Remote (GBR) Engineering Festangestellte Grid Connection Engineer m/f/d (Solar PV – Construction Focus Only) Overview Unlike development-focused roles, this position is dedicated to ensuring that grid connection requirements are successfully implemented during construction and that all works meet DNO specifications, grid codes, and project quality standards.
    You will act as the technical interface between our construction team, ICPs, DNOs, and commissioning engineers to ensure the project is grid-ready and energised safely and on time.]]>     Your mission
  • Coordinate with the DNO/ICP during all construction-related stages of the grid connection process.
  • Review and validate detailed designs, drawings, SLDs, and protection schemes delivered by ICPs or subcontractors.
  • Ensure that all grid connection requirements (G99, G100, protection settings, metering schemes) are fully incorporated into construction works.
  • Provide technical oversight on HV/MV installations, including substations, switchgear, cables, and transformers.
  • Monitor construction progress against grid connection milestones and ensure readiness for inspections and energisation.
  • Review method statements, RAMS, and commissioning plans related to grid works.
  • Attend DNO/ICP meetings, site inspections, and witness tests as required.
  • Validate as-built documentation and ensure alignment with the approved connection design.
  • Support the commissioning team during grid compliance testing and energisation activities.
  • Ensure all works comply with UK electrical standards, DNO policies, and project specifications.
    • ]]>     Your profile
  • Degree in Electrical Engineering or related field.
  • Experience working on the construction of utility-scale solar PV, HV substations, or large electrical infrastructure.
  • Strong understanding of DNO/ICP processes and construction requirements for grid connections in the UK.
  • Familiarity with G99/G100, protection coordination, HV/LV installation standards, and grid compliance documentation.
  • Ability to interpret technical drawings, SLDs, installation specs, and test reports.
  • Strong communication and coordination skills with contractors, DNOs, and engineering teams.
  • Comfortable working on active construction sites across the UK.
    • Desirable
    • Experience with solar PV, inverters, and HV substations.
    • Knowledge of G99 commissioning and grid compliance testing.
    • HV authorisation (DNO or private network).
    • Experience working with plant controllers (PPC), reactive power systems, or hybrid PV+BESS connections.
    ]]>     What we offer
  • Independent work in a committed team
  • Work in a growing, international company with a start-up mentality
  • Open and friendly working atmosphere
  • Flexitime model with core working hours
    • ]]>     permanent experienced full-time grid engineer general_and_other_engineering engineering 2026-02-10T09:14:56+00:00     2517258 Greencells GmbH Saarbrücken Sucursala Cluj-Napoca Cluj Project Execution Festangestellte Junior Site Manager (Solar EPC Projects) (m/f/d) Overview We are looking for a Junior Site Manager to join an intensive training program in Quality, Commissioning, Site execution and HSE, after which you will take responsibility for our international construction sites for Project execution as a Site manager.

    This is an operational, site-based role, not an office job.

    ]]>     Your mission
  • Take part in Quality / Commissioning / Site execution/ HSE training
  • Support site inspections and audits
  • Prepare commissioning and handover documentation
  • Enforce health, safety and quality rules, stay on site during active construction phases
  • After training: coordinate sites in the UK, Ireland, Italy, Hungary and Romania
  • Be permanently present on site during active phases
    • ]]>     Your profile
  • Technical education (engineering / construction / energy/technical background or similar experience)
  • Good level of English
  • High availability for travel
  • Proactive, disciplined mindset and not afraid to speak up 
  • Real interest in working on on Solar EPC construction sites
  • Driving licences: B
    • ]]>     What we offer
  • Structured training
  • International project exposure
  • Stability and long-term growth
  • Rapid professional development
  • Competitive salary
    • ]]>     permanent entry-level full-time 1-2 junior site manager,Solar EPC Projects,training,site inspections,construction sites program_management project_and_program_management 2026-02-03T15:14:30+00:00     2613008 Greencells GmbH Saarbrücken Executive Staff Festangestellte Office Manager (m/w/d) in Voll- oder Teilzeit permanent experienced full-or-part-time Office Manager (m/w/d) - in Voll- oder Teilzeit,Office Manager,Rezeption,Rezeptionist reception administrative_and_clerical 2026-04-24T13:13:42+00:00 2478887 Greencells GmbH Saarbrücken Engineering Festangestellte SCADA Engineer (m/f/d) – Photovoltaic Power Plants Your mission
  • Implementation, configuration, and testing of SCADA systems for utility-scale PV plants
  • Participation in the selection and evaluation of suitable SCADA and PPC systems, considering customer requirements, local standards, and grid operator regulations
  • Configuration, commissioning, and validation of the Power Plant Controller (PPC)
  • Analysis of customer requirements and translation into technical system concepts
  • Creation of communication, metering, and network design documents
  • Integration and parameterization of field devices (inverters, weather stations, meters, protection equipment, etc.)
  • Support during FAT/SAT, remote troubleshooting, and issue resolution
  • Close collaboration with engineering, site management, suppliers, and external partners
  • Ensuring cybersecurity standards and reliable communication structures
  • Knowledge transfer and support within the SCADA team
    • ]]>     Your profile
  • Degree in Electrical Engineering, Mechatronics, Automation, Computer Science, or a related field
  • Relevant professional experience in SCADA, automation, or control systems is a strong advantage
  • Knowledge of common communication protocols (e.g., Modbus, IEC 60870-5-104, OPC UA)
  • Experience with Power Plant Controllers or a strong willingness to develop expertise in this area
  • Ability to analyze technical requirements and convert them into system specifications
  • Structured and independent working style, with enthusiasm for complex technical systems
  • Excellent German language skills (ideally native-level)
  • Class B driving license
    • ]]>     What we offer
  • Independent work in a committed team
  • Work in a growing, international company with a start-up mentality
  • Workplace in a central location in Saarbrücken with good transport connections
  • Open and friendly working atmosphere
  • Flexitime model with core working hours
  • Company sports (Hansefit)
  • Subsidized parking in the city centre or public transport
  • Job bike
    • ]]>     permanent experienced full-time 5-7 Engineer general_and_other_engineering engineering 2026-01-07T13:41:13+00:00     2481614 Greencells GmbH Saarbrücken Remote All Initiativbewerbungen Unsolicited application unsolicited application
    We are always happy to receive unsolicited applications!

    Feel free to send us an unsolicited application via our website by clicking on "apply for this position" below. 

    If you have any questions, you can also send us an email to greencells-gmbh-jobs@m.personio.de.]]>     permanent experienced full-time other other 2026-01-09T11:39:13+00:00