We are seeking an experienced Lead Electrical Project Manager to join a growing project delivery team at the start of the construction of one of the largest hyper scale data centre schemes in the UK - A 140 MW scheme! With the project at an early stage this is agreat time to join and work on a five plus year scheme This role will take responsibility for the operational delivery of the electrical packages from pre-construction/ Scope/ Procurement/ validation of subcontractors and ultimately to commissioning and handover. The successful candidate will have experience delivering complex building services installations and coordinating multidisciplinary teams on fast-paced projects and importantly experience in handling as a single discipline electrical project values of 30 + million within a project cost This is an excellent opportunity for an ambitious Senior Electrical Project Manager looking to work on large-scale mission critical projects. Key Responsibilities Manage...

We are seeking an experienced Lead Mechanical Project Manager to join a growing project delivery team at the start of the construction of one of the largest hyperscale data centre schemes in the UK - A 140 MW scheme! This role will take responsibility for the operational delivery of the Mechanical (HVAC) packages from pre-construction/ Scope/ Procurement/ validation of subcontractors and ultimately to commissioning and handover. The successful candidate will have experience delivering complex building services installations and coordinating multidisciplinary teams on fast-paced projects and importantly experience in handling as a single discipline electrical project values of 30 + million within a project cost This is an excellent opportunity for an ambitious Senior Project Manager looking to work on large-scale mission critical, commercial or infrastructure projects. If you have experience of cooling withing the Data centre space this would be advantageous Key...

Fractional Finance Director D2C E-Commerce Brand London / Hybrid The Client Harmonic is delighted to be partnering with a profitable, multi-million-pound D2C e-commerce business, with a loyal customer base across the UK, the US and beyond. With an established, AI-enabled finance function and a lean leadership team, the business is now repositioning for its next phase of growth, and this role sits at the centre of that. The Role Covering a 12-month maternity leave, the Fractional Finance Director will join the leadership team alongside the CEO and CTO, reporting to the CEO, two to three days a week. This is a strategic role rather than a hands-on one: a Senior Finance Manager leads day-to-day finance, management accounts and monthly reporting with support from external accountants, so your focus is senior challenge and judgement, testing commercial assumptions, sharpening the board narrative and keeping the leadership team focused on what drives commercial...

Interim Financial Controller AI SaaS Scale-up London Harmonic are delighted to be partnering with a founder-led AI SaaS business in their search for an Interim Financial Controller. The business built its own AI platform which it sells to UK service businesses. It launched at the start of 2026 and has grown to c.£1m in annual revenue and a team of eight in its first year. The business is bootstrapped by the founder, a second-time operator who has an excellent track record of scaling and exiting technology businesses. The founder now needs someone embedded in the business to run the finance day to day and manage his wider portfolio. The Role This is a full-time interim role, taking over from the current finance lead, with a handover in early December. The brief is to run the core finance operation for the trading business: management accounts, payroll, AP/AR, VAT and reconciliations, as well as supporting the founder with the finance matters of their private...

Salesforce Solution Architect Contract Length: 5 months+ Day Rate: 550- 650 per day (inside IR35) Role Type: fully remote Start: ASAP Security Clearance Required: SC Overview of the Role: As part of our continuous growth, we are seeking a Salesforce Solution Architect to join our Salesforce Architecture and Innovation team in London, focusing on clients in the Public Sector Domain. The Salesforce Solution Architect acts as a strategic advisor and expert on Salesforce products and platforms for key Public Sector clients. This role engages with executive-level stakeholders and collaborates with enterprise architects and business users, providing best practices in areas such as security, performance, development processes, and governance. What you'll be doing: Serve as a trusted advisor to key stakeholders within our Public Sector clients. Ensure scalable, best-practice solutions that meet or exceed customer expectations. Evaluate and translate...

Data Engineer (Contract) Duration: 6 Months (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview The Data Engineer will be responsible for designing, building, and maintaining scalable data pipelines and architectures. The ideal candidate will possess a strong background in developing and maintaining shared component and framework libraries while collaborating closely with Technology, Product, and Business stakeholders to ensure the availability, quality, and reliability of data. Key Responsibilities: Design, develop, and optimise robust data pipelines and ETL processes. Engage in hands-on development with Scala, Java, or Python through system integration projects or as a data scientist. Utilise technologies such as Spark, Elastic, Restful APIs, JSON, and Tomcat. Build reusable libraries and shared...

Interim Finance Director Scaling Retail Brand London Harmonic is delighted to be working with a consumer brand that holds physical stock and is growing quickly. The business has carved out a niche in its market and grown fast on the back of it. This is a fantastic opportunity to work closely with a leading Founder on setting up the business to scale. The Role This is a full-time interim engagement with an initial of three to six months, reporting into the leadership team. You will own the finance function end to end: month end and management reporting, budgeting and forecasting, cash and working capital, and the commercial support the leadership team needs as the business scales. It is a hands-on role in a small team, there are outsourced advisors who can also provide some additional support. Key Responsibilities Own the finance function end to end, from month end through to the board pack Produce the monthly management accounts and report on...

Interim Head of Finance Scaling Payments FinTech London (Hybrid) The Opportunity We are working with a fast-scaling FinTech that has grown quickly to serve a large customer base and is now at an important turning point. There is real momentum behind the business and ambitious plans ahead, and it needs a steady, capable pair of hands to lead its finance team through a busy period of change. For an interim finance leader who likes to roll up their sleeves and make a tangible difference quickly, this is a rare one, and the client is looking to move at pace. Your Remit Working closely with the CFO, you will take the reins of the day-to-day finance function at a demanding time. First and foremost this is a hands-on role: steadying and leading the team, keeping month-end, statutory and technical accounting clean and on time, and quickly getting to grips with a complex, sector-specific P&L. Beyond the day-to-day, you will take a hard look at how the team is...

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 (2 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. ersg are an equal opportunities employer; we are committed...

Divisional Director - Procurement & Supply Chain Location: UK (Hybrid / Project & Divisional Travel) Engagement: Contract IR35 Status: Inside IR35 strictly (PAYE / Approved Umbrella only) Annual Division Spend: Circa 600m (projected to more than double over the next 3 years) The Role Are you an established senior leader capable of steering procurement and supply chain strategy across a high-performing Tier 1 construction environment? We are seeking a Divisional Director - Procurement & Supply Chain to take strategic ownership of a divisional spend exceeding 600 million annually. Reporting directly to the Group Director of Procurement & Supply Chain, with matrix accountability to the Divisional Managing Director, you will sit on both the Divisional Senior Leadership Team (SLT) and the Functional P&SC SLT, serving as a peer to the Divisional Commercial Directors. Over 80% of our delivery is driven through our external partner ecosystem. In this...

Job Title : FM Policy Lead Location: Flexible on location York, Glasgow, London are main sites candidate must be able to travel for Ad hoc meetings Contract Duration : 23/4/27 Daily Rate: £700day (Umbrella) IR35 Status: Inside IR35 As a Head of Policy (FM), your main responsibilities will be: Acting as the lead for FM policy development, working in conjunction with internal teams and external stakeholders to identify, develop and embed system change opportunities. Supporting work on in-year business cases and spending review bids in conjunction with the Programme Director and wider OGP teams. Engaging at senior levels, bringing partners together to understand barriers to delivery, test approaches and develop different ways of working. Utilising a range of policy tools and techniques to do so, including workshops and roundtable discussions. Building evidence to inform recommendations on policy change to maximise better outcomes across the public sector estate...

Interim Financial Controller VC-Backed Hardware Manufacturing Scale-Up London / Hybrid The Client Harmonic is partnering with a well-funded, VC-backed hardware technology business that combines its own software with a fast-growing physical manufacturing operation, making high-value components for demanding engineering customers. Two years after founding, and having raised significant capital, it has grown into an international group with entities across the UK, US and Europe. The business has scaled faster than its accounting. A Finance Director has recently joined to professionalise the function, a permanent Financial Controller is being recruited for early 2027, and in the meantime the accounts need putting right now. The Role Reporting to the Finance Director, the Interim Financial Controller will start immediately on a full-time basis to stabilise and rebuild the group's accounts ahead of the permanent hire. Day-to-day bookkeeping is...

Interim Group Financial Controller VC-Backed Deep-Tech Infrastructure Scale-Up London The Client Harmonic is delighted to be partnering with a VC-backed deep-tech and infrastructure scale-up that runs a high-volume, asset-backed operating network for some of the UK's best-known e-commerce brands. Backed by leading venture investors, the business has grown revenue more than sevenfold in the last year and is targeting significant further growth next year, with a clear path to profitability. Finance now needs to match the pace and scale of the operation. The Role Reporting to the founder, the Interim Group Financial Controller will take ownership of financial control across the group, leading the existing Financial Controller and bringing the rigour that a business of this scale and pace needs. The immediate priorities are clear: tighten the month-end close and the controls behind it, give the C-suite numbers they can rely on, and make sure the business's...

Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Hyper scale Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Sound knowledge of British Standards and building regulations.- Strong communication skills.-. Your expert recruitment consultant is...

Part-time Interim Senior Marketing Manager / Head of Marketing Location: Central London (Hybrid) Rate: 450- 600 per day Start Date: ASAP Hours: 20 hours per week We are looking for a commercially minded, hands-on marketer to lead and shape the London marketing strategy for a fast-growing premium healthcare and wellness business. This is a unique opportunity to become the first dedicated marketing lead in the UK, taking ownership of customer acquisition, strategic partnerships and local growth initiatives. Working closely with senior leadership, you will have the autonomy to build, execute and optimise marketing activity that drives measurable commercial results. The Opportunity This role would suit an ambitious marketer who enjoys operating in a fast-paced, entrepreneurial environment and wants the chance to make a genuine impact. You will have the opportunity to shape a growing UK business and play a key role in its future success. What You'll...

Job Title : Lead Procurement Manager Location: Hybrid / London (predominately remote occasional travel for meetings) Contract Duration : 12 Months Daily Rate : £700/day (Umbrella) IR35 Status: Inside IR35 Experience delivering procurements under the Procurement Act 2023 (PA23), including familiarity with the Central Digital Platform, new notice types, and associated procedures. Given the recent implementation of PA23, direct experience is not essential but will be explored further at interview. Significant procurement experience using a range of procedures Strong business acumen and ability to show evidence-based decision making Excellent stakeholder management skills Excellent communication (written and oral) and influencing skills Awareness of public sector procurement legislation Relevant commercial experience Key Responsibilities: Leading end to end sourcing activity including pre-procurement activity, Delivery Model Assessment, OBC development,...

London has a number of Civil engineering projects across all sectors. We are currently looking for Site / Project engineers / Senior Project Engineers and above with Tier 5, Ancestry or applicable Visas to relocate to London and join some of the largest and most interesting Civil engineering projects in the world. You will be working for Tier 1 main Contractors with proven pedigree. You duties will be similar to Australia and New Zealand and day rates are excellent. Most contracts are for 6-24 months Duties will include: Engineers and subcontractor management and / or Self delivery Planning, forecasting and delivering work Liaising with clients and stakeholders Developing programmes, Risk assessments, Quality assurance. Commercial management Managing design, NCRs, RFI's, H&S etc. Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the...

Job Title: Strategic Supplier Manager & Contract Lead Location: Remote but with ad hoc travel Possibly twice a month travel to central London / Croydon / Manchester possibly Birmingham / Liverpool Contract Duration : 12 Months Daily Rate: £650/day (Umbrella Maximum) IR35 Status : Inside Security Clearance: SC Strategic Relationship and Contract Management Lead Lead relationships with strategic suppliers and delivery partners. Drive supplier performance, value and innovation. Shape supplier strategies, intelligence and stakeholder engagement. Provide expert commercial and contract management advice. Build and enhance contract management capability across the organisation. Establish assurance frameworks that strengthen contract oversight. Represent the organisation in strategic supplier and stakeholder engagements. Promote best practice and continuous improvement in supplier Management Essential: Strategic Supplier Relationship Management (SSRM)...

Job Title: Senior Commercial Manager - ICT Location: London/Hybrid (3 days/week on site) Contract Duration: 6 Months Daily Rate: £(Apply online only)/day (Umbrella Maximum) IR35 Status : Inside Security Clearance: will have to go through CTC My client has a requirement for an experienced Interim Senior Commercial Manager to support the delivery of multiple high-value procurement projects within the ICT category. The successful candidate will be assigned a defined portfolio of Digital projects and will bring strong commercial acumen, operational procurement expertise, and proven experience managing complex public sector tenders. They will have PA23 Comp Flex experience and expertise- as well as the ability to lead, with support. Minimum Requirement: Extensive experience in operational procurement within the ICT category, ideally across both products and services, including Networks Services, Infrastructure and SaaS. Ideally MCIPS qualified or equivalent...

Part-time Interim Senior Marketing Manager / Head of Marketing Location: Central London (Hybrid) Rate: £450-£600 per day Start Date: ASAP Hours: 20 hours per week We are looking for a commercially minded, hands-on marketer to lead and shape the London marketing strategy for a fast-growing premium healthcare and wellness business. This is a unique opportunity to become the first dedicated marketing lead in the UK, taking ownership of customer acquisition, strategic partnerships and local growth initiatives. Working closely with senior leadership, you will have the autonomy to build, execute and optimise marketing activity that drives measurable commercial results. The Opportunity This role would suit an ambitious marketer who enjoys operating in a fast-paced, entrepreneurial environment and wants the chance to make a genuine impact. You will have the opportunity to shape a growing UK business and play a key role in its future success. What...