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ersg are working with a leading investor in Renewable Energy assets to hire a BESS-focused Engineer. This role will see the successful candidate join a market-leader to ensure the delivery of their growing BESS portfolio.Key responsibilities include;Being the lead person on technical developments in the Battery industry - supporting internal and external stakholders with technical comprehension of BESS.Identification and selection of BESS, PCS and EMS providers.Support colleagues through acquisition, JVs and project development stages from a technical perspective.Ensure FAT/SATs are completed.Ensuring delivery of projects in accordance with grid compliance.Candidates should have a strong background within BESS (upwards of three years), additionally any training with inverter manufacturers are a bonus.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.

職種: プロジェクトアシスタント 契約期間: 最短開始日より90日間業務内容プロジェクトチームをサポートし、主に以下の業務をご担当いただきます。技術員（テクニシャン）の来日・到着手配および調整動員・撤収（Mobilization / Demobilization）に関するアナウンスの作成・管理クルーチェンジの調整およびマニフェスト（Crew Manifest）の作成プロジェクトに関連する各種事務・管理業務全般応募要件言語スキル英語: 社内コミュニケーションおよび文書作成が可能なレベル（読み書き・会話ともに必須）日本語: ネイティブレベルまたはビジネスレベル（日本国内の顧客、関係機関、ベンダーとの調整のため）実務経験プロジェクト管理、ロジスティクス、またはクルー管理における3年以上の実務経験洋上風力、海事、または石油・ガス業界での経験があれば尚可SAPの使用経験（PR / PO発行経験があれば尚可）短納期・高負荷な環境下でも業務を遂行できる実績テクニカルスキルMicrosoft Office（Excel、Word、Outlook必須）の実務レベルでの使用経験クルーマニフェストや動員通知など、公式文書の作成・管理スキルデータの正確性と細部への注意を重視した高い事務処理能力求める人物像コミュニケーション力: 技術員およびマネジメント間の円滑な連携を図れる方主体性: 指示を待たず、自律的に業務を進められる方柔軟性: プロジェクトスケジュールや要件の変更に柔軟に対応できる方 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.

Technical Contract Manager - Offshore Wind (Japan)Tokyo | Contract role | Start ASAP (May 2026 target)We're hiring a Technical Contract Manager to support offshore wind projects in Japan, working at the interface of engineering, commercial, and contract teams.Key responsibilities:Coordinate and manage technical tender and contract documentationEnsure consistency, completeness, and correct cross‑referencing of technical documentsAct as the technical point of contact between project teams and suppliersSupport technical clarifications, deviations, and negotiationsWhat we're looking for:Engineering degree (or equivalent technical background)2+ years' experience in offshore wind or large infrastructure projectsExperience with technical contracts, tenders, or requirements managementStrong communication skills and ability to work in international project teamsLocation: TokyoDuration: Through June 2027 (extension possible)ravel / overtime: Not expected 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 seeking an experienced Health, Safety & Environment (HSE) Advisor to support civil works activities on an electrical cable route project based in Bridgewater, Somerset. This is a part-time contract role (3 days per week) for an initial 6-month period.The successful candidate will play a key role in ensuring that all civil engineering activities associated with the cable installation are delivered in compliance with health, safety, and environmental legislation, company standards, and best practice.Key ResponsibilitiesProvide day-to-day HSE support and advice to site teams working on civil aspects of the cable routeMonitor site activities to ensure compliance with relevant HSE legislation, company procedures, and project requirements.Conduct regular site inspections, audits, and safety tours, identifying hazards and implementing corrective actions.Support the development and review of Risk Assessments and Method Statements (RAMS).Promote a strong safety culture across the project, encouraging proactive reporting and continuous improvement.Investigate incidents, near misses, and non-conformances, ensuring appropriate corrective and preventive measures are implemented.Liaise with contractors, subcontractors, and project stakeholders on all HSE matters.Ensure environmental controls are in place, particularly in relation to groundworks, waste management, and ecological considerations.Deliver toolbox talks, briefings, and HSE training as required.Maintain accurate HSE records and reports in line with project and regulatory requirements.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 searching for a Solar/BESS-focused Project Development Manager to join a global investor/developer of Renewable Energy assets. The client is well-capitalised, and are placing a strong focus on building their pipeline from greenfield opportunities to operational assets.This role will see the successful candidate responsible for;Overseeing the full project development lifecycle.Identifying suitable sites, conducting feasibility studies, and securing land leases.Working with key stakeholders to ensure compliance with local authority permitting processes, and grid connectivity processes.Utilising their relationships with landowners and local partners to ensure smooth progression through the pipeline.Identifying project budgets, and ensuring delivery of assets to a profitable status.There is a particular need from the client for a candidate with a strong understanding of the planning process for Utility-Scale Solar & BESS projects.This is an excellent opportunity to join a team, which offers hybrid working (3 days per week) in their London offices, they also offer competitive salaries, a good bonus structure and excellent pension contributions.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.