{"id":3078534,"url":"https://alion.io/job/hemiko-om-site-manager","title":"O&M Site Manager","company":{"id":4421695,"name":"Hemiko","domain":"hemiko.com","url":"https://alion.io/company/hemiko","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-22T11:23:32Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-11-13T12:37:10Z","board_verified":true,"closed_at":null,"days_open":22,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":22},"description":"O&M Site Manager\nLocation: London, Greenwich with occasional site visits further afield\nHemiko\nHemiko is a fast-growing innovative business which designs, builds, operates, maintains and finances low carbon district energy networks and building energy systems for communities. We work with local authorities, developers, house builders and property owners to reduce costs, energy consumption and carbon emissions through innovative design and proactive, intelligence-led system operations and optimisation.\nWith the decarbonisation of our heating systems now becoming a national imperative we are experiencing rapid growth in demand for the design, build, operation, and maintenance of low carbon district heating systems and for the decarbonization of existing building heating systems, especially to replace distributed fossil fuel heating with centralised low carbon heat generation.\nHemiko is absolutely committed to an honest and collaborative approach to all our work, to being innovative in everything we do, always looking for better ways to do things and on avoiding the business curses of unnecessary complexity and silos.\nWe appreciate that no one’s circumstances are the same and having the flexibility in working environments work is essential to our wellbeing. If this is significant to you let us know when you apply, and we will discuss how this could work in your role.\nHemiko strives to be an equal opportunities employer and welcomes applications from anyone regardless of ethnic origin, gender, gender expression, disability, age, trade union activity, marital status, religious belief, sexual orientation, or socioeconomic background.\nWe are Armed Forces friendly. We welcome applications from ex-Armed Forces personnel, reservists, armed forces veterans, cadet instructors and military spouses/partners.\nThe Role\nYour lead responsibility will be to provide management of sites and operational projects to ensure all sites are operating well. Projects will range from single-site plant room and energy centre installations (including heat pump systems) or servicing through to large new build and retrofit district heating schemes.\nThe compact nature of the business and our rapid growth means that the candidate has significant opportunity to develop their career in a friendly environment. We are looking to develop teams of engineers that will be able to grow into designing a variety of energy related systems. It is anticipated, therefore, that the candidate would be seeking to broaden their skills horizon.\nThis position will differ from conventional management in that you will be given the opportunity to ‘own’ a project from adoption through to operation with involvement in pricing from bid stage through to ongoing O&M.\nSpecific Tasks\nParticipating in the delivery of new energy projects during the pre-construction, build and operational phases, working with and supported by the wider Hemiko Team. In more detail this will include:\nResponsible for the safe, compliant and effective operation of a portfolio of heat network sites across London and further afield. For the sites that you manage, you will be responsible for delivering the following (but not limited to);\nSetting up procedures and processes for new heat networks as they come across into the operational phase, either through adopting live contracts or new build sites.\nEnsuring high availability and efficiency through a spare parts strategy, remote monitoring (BMS/SCADA) and data analysis, with a focus on reducing heat losses and network return temperatures.\nPro-actively manage and build our client and customer relationships with regards to day to day running of the sites and attendance to any regular client reporting meetings.\nEnsuring sites meet the requirements of the Ofgem heat network regulatory regime, including consumer protection, fair pricing, service standards and the Heat Network Technical Assurance Scheme (HNTAS), and preparing sites for assessment.\nLeading health and safety on site, including risk assessments, method statements, permits to work and contractor management, in line with CDM and statutory inspection requirements.\nSupporting the integration of low carbon heat sources, such as heat pumps, into new and existing networks and the decarbonisation of legacy plant.\nResponsible for delivery of any specialist services and call out contracts, as well as general supply chain activities.\nResponsible for operational budgets & reporting against business KPI’s. This will include scoping up corrective works for system improvements and any potential breakdowns.\nAssistance in the identifying areas to improve operational performance and management of subsequent energy centre upgrade works.\nContinually improve operating procedures and ensure they are being adhered to.\nSupport the development of new customer offers with technical, operational, and pricing input.\nCandidate\nWe are looking for someone with a good knowledge of district heating schemes, from generation to distribution as well as plant controls & processes. The candidate will need to ensure that all plant is maintained according to planned maintenance schedules, and the sites are running as reliably and efficiently as possible. The candidate will be responsible to run a commercially successful fleet of heat networks, with support from the rest of the department. The candidate will need excellent stakeholder management and communication skills, ensuring a customer focus within all areas of operational activities, and that effective relationships are maintained with key client contacts.\nThe candidate will be organised and self-starting, a reliable figurehead in the operations team. They will inspire a performance-centred culture across both the operations department and wider company.\nWe will want you to join our journey toward a more environmentally and technically responsible and effective way of delivering energy systems, moving away from conventional processes into a more innovative and free-thinking environment.\nKnowledge and Qualifications\nTechnical qualifications in an engineering/ operations management or related discipline to degree level and / or equivalent experience relevant to the role.\nProven experience in the operation of heat networks or large building services plant, including heat pumps, thermal stores, CHP, gas and biomass boilers, and energy centres.\nUnderstanding of BMS/SCADA, remote monitoring and data analytics platforms\nA willingness to travel regularly\nWorking towards professional registration (IEng/CEng) with a recognised engineering institution, e.g. CIBSE, IMechE or the Energy Institute\nNEBOSH, IOSH or equivalent health and safety qualification desirable.\nKnowledge of the CIBSE/ADE Heat Networks Code of Practice (CP1) and the UK heat network regulatory framework, including Ofgem regulation, the Heat Network (Metering and Billing) Regulations and the Heat Network Technical Assurance Scheme (HNTAS), desirable.\nSkills\nExcellent understanding of and interest in ‘how systems / equipment work’, with practical experience in operating plants or delivering projects.\nExcellent communication skills for liaising with both internal & external stakeholders\nConfident with Microsoft 365 (Excel, Word, PowerPoint, Teams) and comfortable using CMMS, remote monitoring and data analysis tools.\nProven team leadership and people management skills preferred.\nGood organisational, time management and planning.\nRemuneration and Info\nCompetitive salary, depending on experience. \nDiscretionary bonus based on individual and business performance. \nAn inclusive culture that promotes diversity. \nHolidays 25 days a year plus statutory holidays - with an option to purchase, or sell, up to an additional 5 days per annual leave year. \nPension plan provision. \nPrivate health care scheme available. \nCycle to work scheme. \nElectric Car lease scheme.\nHealth and well-being support. \nContinuing learning and development opportunities. \nCompany PC/laptop, etc. \nInformal Enquiries\nFor a discussion about this role please contact Nathanael Hayden, email address:  to arrange a suitable time for a discussion.","description_format":"text","description_chars":8170,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Car lease","Military spouse friendly"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-22T11:23:32Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-11-13T08:07:55+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":59,"band":"ok","label":"Likely open","p_open":1,"p_active":0.788,"p_room":0.75,"age_days":20,"expected_fill_days":26,"reasons":["conf:4","win:late"],"computed_at":"2026-11-12T10:38:37Z"},"pay":null,"html_url":"https://alion.io/job/hemiko-om-site-manager","json_url":"https://alion.io/job/hemiko-om-site-manager.json","meta":{"generated_at":"2026-11-13T12:49:15Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":25766,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4421695},"rest":"https://alion.io/mcp/rest/get_company?id=4421695"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhemiko-om-site-manager"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhemiko-om-site-manager"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhemiko-om-site-manager"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/hemiko-om-site-manager\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhemiko-om-site-manager"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3078534}},{"tool":"search_jobs","arguments":{"company":"hemiko.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3078534},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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