Commissioning Engineer required for a leading Independent Power Producer (IPP) to support the commissioning of a 100MW+ solar farm in Cork, Ireland. Candidates must have proven hands-on commissioning experience on utility-scale solar farms, including electrical testing, fault finding, and energisation. This is an 8-month freelance contract, fully on-site, with an ASAP start. Further PV projects across Ireland may be available upon completion. Applicants must be eligible to work in Ireland.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

A UK EPC Contractor is seeking an experienced Site Manager to deliver a 20MW solar farm project based in Newquay, South West England. EPC Solar farm experience is required. The successful candidate will take full responsibility for daily site operations, driving programme delivery, managing multi-disciplinary project teams and subcontractors, and ensuring high HSE and quality standards onsite. This is for 6-month renewable contract, operating outside IR35. Applicants must be eligible to live and work in the UK.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

A UK EPC Contractor is seeking an experienced Site Manager to deliver a 20MW solar farm project based in New Quay, South West England. EPC Solar farm experience is required. The successful candidate will take full responsibility for daily site operations, driving programme delivery, managing multi-disciplinary project teams and subcontractors, and ensuring high HSE and quality standards onsite. This is for 6-month renewable contract, operating outside IR35. Applicants must be eligible to live and work in the UK.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

Controls Engineer - BESS CommissioningJob Title: Controls Engineer - BESS CommissioningProject: Battery Energy Storage System (BESS)Contract: Contract / FreelanceLocation: Site-based, UKStart: ASAP / ImmediateDuration: TBC, with potential extensionWorking Pattern: Site-based, with commissioning and testing periods potentially requiring extended hoursRole OverviewWe are seeking an experienced Controls Engineer to support the commissioning, testing and integration of a large-scale Battery Energy Storage System (BESS) project.The successful candidate will be responsible for commissioning and troubleshooting the control systems associated with the BESS, including PLC/RTU systems, SCADA, EMS/PMS, BMS interfaces, PCS/inverters and plant-level controls.The role will involve working closely with the commissioning, electrical, SCADA, protection and OEM teams to ensure the complete BESS control architecture is correctly configured, integrated, tested and handed over to the client.Key ResponsibilitiesLead and support controls commissioning activities for the BESS project from pre-commissioning through to energisation, functional testing and handover.Commission and troubleshoot PLC, RTU, SCADA, EMS/PMS and plant control systems.Configure and test control logic, sequences, interlocks, permissives, alarms and trips.Verify communications and data exchange between:BESS PLC/RTUSCADAEnergy Management System (EMS)Power Management System (PMS)Battery Management System (BMS)Power Conversion System (PCS)InvertersHV/LV equipmentProtection and metering systemsCarry out I/O checks, loop checks and point-to-point testing.Support FAT/SAT activities and review test documentation.Perform functional testing of BESS operating modes, including charging, discharging, standby, grid support and emergency shutdown functions.Test and validate remote/local control functionality.Support testing of active power, reactive power, voltage and frequency control functions.Verify grid-code related control functions, where applicable.Investigate and resolve PLC, RTU, SCADA and communications faults during commissioning.Test and validate alarms, events, status indications and control commands within the SCADA system.Support Modbus TCP/IP, IEC 61850, IEC 60870-5-104, OPC UA/DA or other industrial communications as required by the project.Review PLC/RTU logic, control narratives, functional design specifications and cause-and-effect documentation.Assist with integration between the BESS and DNO/TSO/utility control systems.Support testing of emergency stop, safety interlocks and shutdown sequences.Work with OEMs and subcontractors to diagnose and resolve commissioning issues.Record test results, punch-list items, defects and corrective actions.Produce and review commissioning documentation, test sheets and handover documentation.Support final performance testing and successful handover to operations.Technical Experience RequiredThe ideal candidate will have strong experience in industrial controls commissioning, preferably within the energy, power generation, renewable energy or BESS sectors.Experience with some or all of the following is desirable:BESS control systemsPLCs and RTUsSCADA systemsEMS / PMSBMS and PCS interfacesBattery energy storage systemsPower conversion systems / invertersHV/LV electrical systemsIndustrial communicationsModbus TCP/IPIEC 61850IEC 60870-5-104OPC UA / OPC DAEthernet/IPProfinetTCP/IP networkingRemote Terminal Units (RTUs)PLC programming and fault findingHMI/SCADA configurationAlarm and event managementControl panels and instrumentationElectrical protection interfacesMetering systemsGrid connection/control systemsCommissioning ExperienceCandidates should have demonstrable experience with:Pre-commissioning inspectionsI/O and point-to-point testingLoop checksCold commissioningHot commissioningEnergisation supportFunctional testingSATIntegrated systems testingTroubleshootingControl system modificationsSite acceptance testingPerformance testingDefect/punch-list managementSystem handoverBESS-Specific TestingParticular emphasis will be placed on experience testing the interaction between the various BESS control layers.The engineer may be required to verify:BMS → PCS → PLC/RTU → EMS/PMS → SCADA → Grid/DNOincluding:State of Charge (SoC)State of Health (SoH)Charge/discharge commandsActive power setpointsReactive power setpointsVoltage controlFrequency controlRamp ratesImport/export limitsBattery limitsPCS operating modesGrid connection statusFault conditionsEmergency shutdownInterlocks and permissivesAlarm and trip functionalityRemote control commandsCommunications failure behaviourLoss-of-grid conditionsQualifications & CertificationsDegree/HNC/HND or equivalent qualification in Electrical Engineering, Control Systems, Automation or a related discipline.Demonstrable commissioning experience within an industrial or energy environment.Strong understanding of electrical and control systems.Relevant electrical/control systems safety qualifications.CSCS/ECS or equivalent site certification desirable.18th Edition desirable depending on project requirements.Experience working under RAMS, permit-to-work and site commissioning procedures.Desirable Sector ExperienceExperience on projects involving:Battery Energy Storage SystemsSolar PVWindSubstationsGrid connectionsPower generationHV infrastructureRenewable energyData centresIndustrial automationPower plantsUtilitiesersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

Controls Engineer - BESS CommissioningJob Title: Controls Engineer - BESS CommissioningProject: Battery Energy Storage System (BESS)Contract: Contract / FreelanceLocation: Site-based, UKStart: ASAP / ImmediateDuration: TBC, with potential extensionWorking Pattern: Site-based, with commissioning and testing periods potentially requiring extended hoursRole OverviewWe are seeking an experienced Controls Engineer to support the commissioning, testing and integration of a large-scale Battery Energy Storage System (BESS) project.The successful candidate will be responsible for commissioning and troubleshooting the control systems associated with the BESS, including PLC/RTU systems, SCADA, EMS/PMS, BMS interfaces, PCS/inverters and plant-level controls.The role will involve working closely with the commissioning, electrical, SCADA, protection and OEM teams to ensure the complete BESS control architecture is correctly configured, integrated, tested and handed over to the client.Key ResponsibilitiesLead and support controls commissioning activities for the BESS project from pre-commissioning through to energisation, functional testing and handover.Commission and troubleshoot PLC, RTU, SCADA, EMS/PMS and plant control systems.Configure and test control logic, sequences, interlocks, permissives, alarms and trips.Verify communications and data exchange between:BESS PLC/RTUSCADAEnergy Management System (EMS)Power Management System (PMS)Battery Management System (BMS)Power Conversion System (PCS)InvertersHV/LV equipmentProtection and metering systemsCarry out I/O checks, loop checks and point-to-point testing.Support FAT/SAT activities and review test documentation.Perform functional testing of BESS operating modes, including charging, discharging, standby, grid support and emergency shutdown functions.Test and validate remote/local control functionality.Support testing of active power, reactive power, voltage and frequency control functions.Verify grid-code related control functions, where applicable.Investigate and resolve PLC, RTU, SCADA and communications faults during commissioning.Test and validate alarms, events, status indications and control commands within the SCADA system.Support Modbus TCP/IP, IEC 61850, IEC 60870-5-104, OPC UA/DA or other industrial communications as required by the project.Review PLC/RTU logic, control narratives, functional design specifications and cause-and-effect documentation.Assist with integration between the BESS and DNO/TSO/utility control systems.Support testing of emergency stop, safety interlocks and shutdown sequences.Work with OEMs and subcontractors to diagnose and resolve commissioning issues.Record test results, punch-list items, defects and corrective actions.Produce and review commissioning documentation, test sheets and handover documentation.Support final performance testing and successful handover to operations.Technical Experience RequiredThe ideal candidate will have strong experience in industrial controls commissioning, preferably within the energy, power generation, renewable energy or BESS sectors.Experience with some or all of the following is desirable:BESS control systemsPLCs and RTUsSCADA systemsEMS / PMSBMS and PCS interfacesBattery energy storage systemsPower conversion systems / invertersHV/LV electrical systemsIndustrial communicationsModbus TCP/IPIEC 61850IEC 60870-5-104OPC UA / OPC DAEthernet/IPProfinetTCP/IP networkingRemote Terminal Units (RTUs)PLC programming and fault findingHMI/SCADA configurationAlarm and event managementControl panels and instrumentationElectrical protection interfacesMetering systemsGrid connection/control systemsCommissioning ExperienceCandidates should have demonstrable experience with:Pre-commissioning inspectionsI/O and point-to-point testingLoop checksCold commissioningHot commissioningEnergisation supportFunctional testingSATIntegrated systems testingTroubleshootingControl system modificationsSite acceptance testingPerformance testingDefect/punch-list managementSystem handoverBESS-Specific TestingParticular emphasis will be placed on experience testing the interaction between the various BESS control layers.The engineer may be required to verify:BMS → PCS → PLC/RTU → EMS/PMS → SCADA → Grid/DNOincluding:State of Charge (SoC)State of Health (SoH)Charge/discharge commandsActive power setpointsReactive power setpointsVoltage controlFrequency controlRamp ratesImport/export limitsBattery limitsPCS operating modesGrid connection statusFault conditionsEmergency shutdownInterlocks and permissivesAlarm and trip functionalityRemote control commandsCommunications failure behaviourLoss-of-grid conditionsQualifications & CertificationsDegree/HNC/HND or equivalent qualification in Electrical Engineering, Control Systems, Automation or a related discipline.Demonstrable commissioning experience within an industrial or energy environment.Strong understanding of electrical and control systems.Relevant electrical/control systems safety qualifications.CSCS/ECS or equivalent site certification desirable.18th Edition desirable depending on project requirements.Experience working under RAMS, permit-to-work and site commissioning procedures.Desirable Sector ExperienceExperience on projects involving:Battery Energy Storage SystemsSolar PVWindSubstationsGrid connectionsPower generationHV infrastructureRenewable energyData centresIndustrial automationPower plantsUtilitiesersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

ersg is leading the search for a Senior Power Plant Controls Engineer with experience in the building and development of an energy analytics platform. Our client, a prominent business within the Renewable Energy industry is adding an analytics platform their business.You will be critical to the business' ability to ensure the greatest yield from their BESS investments. Utilising edge controller technology, the candidate must be able to demonstrate their experience in delivering the build and commissioning of an edge controller.Key responsibilites include (non-exhaustive);The creation/implementation of real-time control logic-including frequency droop, EFR and dynamic-containment-style responses-in accordance with IEC 61131-3 on industrial controllers.Risk mitigation/Operational redundancy design - Creating setpoint limits (real and reactive) and suitable behaviours in the event of EMS issues.Writing power setpoint control and reading back outputs via Modbus TCP/IP.On-site Commissioning and FAT - Verifying the authenticity of grid-frequency response in-line withEMS.Comms/Network reinforcement - Ensuring mechnisms are in place to prevent cloud-based and cellular communications failure, utilitising hardwired comms systems.Qualifications/Experience;Applicants MUST possess a degree in Electrical/Electronic Engineering (or similar discipline), experience and training in Cybersecurity and Controls Systems is advantageous.Applicants MUST have the Right to Work in the UK; Sponsorship is NOT available for this opportunity.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

ersg is supporting a client who is leading the acquisition, delivery and management of Utility-Scale Energy Storage assets in the UK.They are searching for a Project Engineer to work closely with internal (Head of Engineering, Project Managers) and external stakeholders (Consultants etc.) to ensure that the development and engineering of projects is conceptually sound, managing the process through to an asset becoming operational. Experience of providing technical and commercial knowledge in the areas of high voltage design, power system modelling, BESS technology and connection agreements is key to being successful in this role.This is a hybrid role (3 days per week in Central London), working alongside the Head of Engineering, you will be critical to the success of future projects being acquired by the client.The successful candidate will have a degree in Electrical/Electronic Engineering or a related field.Candidates MUST have the Right to Work in the United Kingdom; Sponsorship is NOT available.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

ersg is supporting a Clean Energy Infrastructure business, who are currently building a portfolio of over 1GW in BESS assets in the UK.They are searching for a Senior Asset Manager to ensure the operational efficiency of their investment in Energy Storage projects. This role will see the successful candidate be the first employee in the Asset Management function, providing a unique opportunity to be develop a career pathway to leadership as more assets are acquired.You will need to demonstrate your technical acumen, understanding the core components of an Energy Storage System, whilst having strong experience in working with optimisers, and have the gravitas to communicate effectively with the investment team behind the business.As this is an early-stage hire, you will be key in the development of O&M Contracts, managing relationships with the DNO, OEM, and third-party contractors, and setting the baseline for the reporting and control mechanisms for the assets.This is a hybrid role (3 days per week in Central London), working alongside the Senior Leadership Team and Investor, providing critical exposure for development.The successful candidate will have a degree in Electrical/Electronic Engineering or a related field.Candidates MUST have the Right to Work in the United Kingdom; Sponsorship is NOT available. ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

EPC Project Manager required for a global IPP specialising in solar and battery storage projects. Candidates will have project management experience delivering solar farm projects, ideally from a developer background with EPC construction experience. BESS project delivery experience is beneficial but not essential.The ideal candidate will have strong experience managing subcontractors and engaging with key stakeholders. This is a remote role with occasional travel to project sites, approximately once per month.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

ersg are working with a leading EPC Contractor in the Renewable Energy sector to hire a Power Systems Specialist focused on Design. The client operates across the European market but is growing their UK team, and is winning more business across the Utility-Scale Solar (20MW or above) sector.This role will see the successful candidate designing LV and HV systems for Solar projects; handling SLDs from beginning to final design. You will also be managing grid connection applications, and liaising with the DNO, whilst ensuring grid compliance to G99 and G100 standards. You will also be instrumental in the specification of related plant (transformers, switchgear etc.) and supporting during various stages of the project - from procurement to commissioning.Candidates MUST have a degree in Electrical Engineering, or a suitable field. Be able to demonstrate their experience in LV & HV system design, and have been involved in a portfolio of Utility-Scale Solar projects in the UK. You should also have a grasp of managing grid connection processes, and experience of grid studies.Applicants MUST be able to prove that they have the right to work in the United Kingdom.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.