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Set up in 2008, ersg is an award winning, international leader in staffing services to the renewable energy markets. We work with major international companies through to smaller independent businesses to enable their projects to be facilitated effectively throughout the entire project life cycle. Whilst headquartered in London, our global business has over 200 staff with offices across Europe, the US and Asia. Key Responsibilities Business Development & Client Management* Identify new leads within your industry vertical via cold calling, networking and market mapping* Pitch ERSG's staffing services to hiring managers/decision makers* Negotiate commercial terms of business, including permanent fees and contract margins (depending on your vertical)* Manage client accounts* Attend industry events and conferences* Grow and manage a team of delivery consultants, account managers and 360 consultants Candidate Sourcing & Delivery* Headhunt niche talent using LinkedIn Recruiter, job boards, our internal database and referrals* Screen candidates to assess their technical ability and compliance* Manage the interview lifecycle including prepping candidates, scheduling interviews and delivering feedback* Negotiate job offers and manage any counteroffer scenarios to secure successful placements* Build talent pools within your specific vertical About you:* Experience in a recruitment or sales/business development role is desirable* A proven history of billing successfully against KPI's* Tenacious and resilient, not phased by setbacks and comfortable in high pressure situations* Excellent verbal and written communication skills* Proven fluency in English; additional languages are a bonus* Proficient in Microsoft office* Outgoing and friendly personality About ersgSet up in 2008, ersg is an award winning, international leader in staffing services to the global energy and built environment markets. We work with major international companies through to smaller independent businesses to enable their projects to be facilitated effectively throughout the entire project life cycle. Whilst headquartered in London, our global business has over 200 staff with offices across Europe, North America and Asia.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all staff job applicants. We do not discriminate against staff or 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.

Senior Quantity Surveyor - Distribution & EVLocation: UK - LiverpoolSector: Utilities | Energy | EV InfrastructureAn exciting opportunity for a Senior Quantity Surveyor to join a growing team delivering major utilities, energy and EV infrastructure projects.You'll work closely with construction, design, planning and operational teams, taking responsibility for the commercial management of projects and maintaining strong relationships with clients and subcontractors.Key ResponsibilitiesCommercial management of infrastructure projectsSubcontract management and procurementCost control, forecasting and reportingManaging variations, valuations and commercial processesSupporting client and stakeholder relationshipsEnsuring contractual and commercial complianceRequirements5+ years' Quantity Surveying experienceBackground in civils, utilities or infrastructureStrong NEC contract experienceExperience managing subcontractorsGood commercial and stakeholder management skillsStrong Excel and MS Office skillsGood understanding of CDM and H&S requirementsIf you're a Quantity Surveyor or Senior Quantity Surveyor with utilities/infrastructure experience and looking for your next opportunity within the energy and EV sector, get in touch.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.

Principal Design EngineerRole PurposeProvides strategic technical leadership for permanent and, or temporary works design and engineering solutions and governance.Key ResponsibilitiesPrepare and guide engineering principles on structural calculations and drawings.Develop permanent and temporary works solutions for shafts, retaining walls, slabs, foundations, and reinforced concrete structures.Coordinate with geotechnical, construction, and temporary works teams.Support constructability reviews and value engineering exercises.Work in accordance with BIM Level 2 / ISO 19650 standards for information management and collaborative delivery.Comply with CDM 2015 regulations, company HSEQ procedures, and promote a positive safety culture across all activities.Support NEC4 contract administration, early warning processes, Program reviews, and change management activities.Prepare technical specifications, design reports, and assurance documentation.Review and approve design calculations and multidisciplinary deliverables.Provide mentoring and technical support to junior engineers.Act as discipline lead during bids, technical governance reviews, and client engagements.Technical RequirementsProficiency in AutoCAD, Civil 3D, and structural analysis software.Experience with reinforced concrete and steel design to Eurocodes.Knowledge of tunnelling interfaces including shafts, sprayed concrete linings, and underground structures.Understanding of buildability and construction methodologies.Experience using Tekla, Revit, or Robot Structural Analysis is advantageous.Experience managing design risk and design assurance processes.Experience leading major design frameworks and multidisciplinary teams.Experience & QualificationsDegree-qualified in Civil or Structural Engineering.10+ years experience within infrastructure, structural, temporary works or tunnelling design.Understanding of Eurocodes, BS standards, and UK infrastructure requirements.Working towards or holding Chartered status with ICE or IStructE depending on level.Demonstrable leadership delivering complex UK infrastructure schemes. 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.

Kreditorenbuchhalter (m/w/d) - Arbeitnehmerüberlassung | HamburgFür unseren langjährigen Kunden in Hamburg, ein etabliertes Unternehmen im Energiesektor, suchen wir ab dem 01.10.2026 Unterstützung im Bereich Kreditorenbuchhaltung.Die Position ist zunächst im Rahmen der Arbeitnehmerüberlassung bis zum 31.12.2026 vorgesehen. Eine Verlängerung über diesen Zeitraum hinaus ist möglich.Ihre AufgabenPrüfung, Kontierung und Buchung von EingangsrechnungenBearbeitung und Abstimmung von KreditorenkontenKlärung von offenen Posten und RechnungsdifferenzenVorbereitung und Durchführung von ZahlungsläufenAbstimmung mit internen Fachabteilungen und externen LieferantenUnterstützung bei Monats- und JahresabschlüssenPflege von Stammdaten und Sicherstellung einer hohen DatenqualitätIhr ProfilMindestens 5 Jahre Berufserfahrung in der Kreditoren- oder FinanzbuchhaltungGute Kenntnisse der gängigen Prozesse in der KreditorenbuchhaltungSicherer Umgang mit MS Office, insbesondere ExcelErfahrung mit ERP-/Buchhaltungssystemen von VorteilGute Deutsch- und EnglischkenntnisseStrukturierte, sorgfältige und zuverlässige ArbeitsweiseGültige Arbeitserlaubnis für Deutschland erforderlichRahmenbedingungenStart: 01.10.2026Dauer: zunächst bis 31.12.2026Vertragsform: ArbeitnehmerüberlassungStandort: HamburgArbeitszeit: 40 Stunden/WocheBranche: EnergiesektorVerlängerungsoption: möglichInteresse?Dann bewirb dich bitte mit deinem aktuellen Lebenslauf. Wir freuen uns auf deine Bewerbung. 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.

We are looking for an experienced Environmentalist / Marine Biologist to support an offshore environmental survey project in the UK. You will be part of a vessel-based survey team, supporting marine environmental monitoring and fieldwork activities throughout the project.   Key Responsibilities • Undertake grab sampling and seabed sample collection• Conduct drop-down camera surveys and seabed habitat observations• Identify and record marine habitats and species• Process and document environmental samples and survey data• Maintain accurate field records and survey reports• Work closely with the vessel crew and wider survey team   Requirements • Degree in Marine Biology, Environmental Science, Ecology or a related field• Offshore experience• Experience with grab sampling and drop-down camera surveys• Strong environmental data recording and reporting skills• Valid offshore certification and medical required   Contract Details Location: UK / Outside 12nmContract Type: Contract / Vessel-BasedDuration: 4 weeksStart Date: 14/10/2026