Piper Maddox is partnering with a growing renewable energy and industrial services organization supporting digester-based biogas infrastructure across the U.S. This is a hands-on field leadership opportunity focused on the construction, commissioning, and maintenance of anaerobic digester and RNG facilities within a multi-site operating environment. Key Responsibilities: Lead and support digester installation and field execution activities across multiple active biogas and RNG sitesOversee mechanical construction activities including bolt-up installs, piping tie-ins, roof systems (membrane/gas-tight), mixers, pumps, and gas handling systemsPerform troubleshooting and real-time problem solving on digester and biogas system issues in the fieldRead and execute from P&IDs, engineering drawings, OEM manuals, and technical specificationsCoordinate daily with general contractors, site managers, engineers, OEMs, and field crews to ensure safe and efficient project deliverySupport commissioning, startup, and operational ramp-up of biogas and RNG systemsConduct site inspections, ensure quality control, and maintain adherence to safety and project specificationsTrain, develop, and supervise field crews and subcontractors across active job sitesManage multiple projects simultaneously across different geographic locationsEnsure compliance with safety protocols including confined space, H2S, and gas hazard proceduresMaintain clear communication and reporting to leadership regarding project progress, risks, and execution status Qualifications and Background: 8–12+ years of experience in biogas, anaerobic digestion, heavy industrial construction, or field project executionStrong hands-on experience with digester systems, including installation, maintenance, cleanouts, or commissioningBackground in mechanical field work including pumps, mixers, piping systems, gas handling, and rotating equipmentAbility to read and execute from engineering drawings, P&IDs, and OEM documentationExperience leading field crews, subcontractors, or multi-disciplinary site teamsStrong troubleshooting and problem-solving ability in live field environmentsExposure to commissioning/start-up activities within biogas or industrial process systems highly preferredConfined space entry, H2S awareness, and other relevant safety certifications preferredWillingness to travel across active project sites in the U.S.Strong communication skills and ability to operate in fast-paced, field-heavy environments Why Join? Join a company investing heavily in the rapidly growing RNG industry.Work on high-impact projects from construction through commissioning.Take ownership of projects and help shape a growing renewable energy business.Competitive compensation, comprehensive benefits, and company truck/ allowance.

Senior Asset Manager – BESSGermany – Remote An international renewable energy platform is looking for a Senior Asset Manager to take ownership of a growing portfolio of utility-scale Battery Energy Storage System (BESS) assets in Germany. The successful candidate will sit across the technical, regulatory and commercial sides of the business, working closely with internal development and investment teams as well as TSOs, DNOs, regulatory bodies, optimisers, OEMs and other external partners. Key Responsibilities Own BESS performance management, KPI monitoring, SCADA/EMS reporting and resolution of operational issues.Lead asset registration and grid onboarding, working directly with TSOs, DNOs and relevant stakeholders to bring BESS assets into operation.Work with optimisers and route-to-market providers to maximise BESS revenues, with a strong understanding of revenue streams and ancillary markets.Monitor German BESS regulations and market requirements, liaising with regulatory bodies to ensure ongoing compliance.Manage OEM, O&M, warranty and service provider relationships across the operational lifecycle.Monitor budgets, costs and commercial performance, providing regular asset reporting to senior management. Candidate profile: You may have a bachelor’s degree in electrical engineering, Energy Systems, or a related field.Ideally 3+ years of experience managing utility-scale BESS, or similar power assets.Strong operational and commercial experience with Germany energy markets and regulators, including exposure to ancillary services, and/or capacity mechanisms.Experience interacting with SCADA/EMS platforms and data-analysis tools (PowerBI, SQL, Excel).Demonstrated contract management and stakeholder engagement skills, including working with German service providers, TSOs/DSOs, and market counterparties. Why Apply?This is an opportunity to take a senior role within a growing utility-scale BESS portfolio in Germany, with responsibility across technical asset management, grid onboarding, regulatory compliance and commercial optimisation. You’ll work directly with TSOs, DNOs, optimisers and key market stakeholders, helping shape how assets are brought online, managed and maximised throughout their lifecycle. The role is fully remote in Germany, offers international exposure and provides the opportunity to play a key role in the growth of a BESS-focused platform. Apply now to learn more!

Algae Production Lead - Calipatria CA Piper Maddox is partnering with an exciting biotechnology energy company based in California, that uses engineered microalgae to produce low-carbon liquid fuels at commercial scale. They are currently growing operations, engineering, and science teams, and are looking for an Algae Production Lead that will help bring the technology online. This is a rare opportunity to help launch a new category in the multi-billion-dollar SAF and liquid-fuels markets from the ground up. Key Responsibilities: Lead day-to-day algae cultivation operations across pilot and commercial-scale systems, including large-scale ponds and photobioreactors.Own the full cultivation cycle, including inoculation, pond management, harvest scheduling, turnover between runs, and contamination control.Monitor culture health and performance using key analytics including density, dry weight, nutrients, microscopy, and contamination screening.Lead and develop production and laboratory teams, ensuring strong operating standards, accountability, and decision-ready data.Partner with R&D, engineering, and operations teams to troubleshoot cultivation challenges, optimize productivity, and continuously improve scale-up and production performance. Background: 5–8 years in algae mass cultivation — phototrophic production at pilot or commercial scale (raceways, PBRs) is the target profile; large-scale industrial fermentation considered as an adjacent backgroundHas run cultivation at genuine scale, not bench — the largest pond here is 1 million litersOwns the day-to-day growing operation: inoculation, pond management, harvest scheduling, turnover between runs, and contamination controlPeople management experience over production and/or lab teamsFluent in the analytics that drive production decisions — density, dry weight, nutrients, microscopy, contamination screening — and holds the team to clean, decision-ready dataComfortable translating protocols from R&D and the greenhouse into what actually holds up in the field, and feeding learnings back