Project Controls Manager Contract Data Centre London Hybrid We re looking for an experienced Project Controls Manager to support a major data centre programme in the UK. This is a leadership-focused contract role for someone with strong data centre / mission-critical experience , with responsibility for overseeing project controls governance, reporting, risk, change, and performance across a complex delivery environment. We re looking for someone who can operate at senior level, work closely with clients and leadership teams, and bring clear structure, insight, and control to project delivery. Essential: Proven Project Controls Manager experience Strong data centre background Leadership across reporting, governance, risk, and change UK project experience Osirian Consulting is committed to working with our clients to promote equality and diversity in the workplace. We encourage and welcome applicants from all backgrounds and all sections of...

Job Title : Commercial Manager Location: London (3 days/week on site) Contract Duration : 6 months with a view to extending Daily Rate: £600/day (Umbrella Maximum) IR35 Status: Inside IR35 Commercial Manager We are seeking an experienced Commercial Manager to play a pivotal strategic role within a regulated environment. As the key commercial link, you will bridge tactical supplier management with the strategic partnerships of the supply chain. You will confidently articulate the critical importance of effective stakeholder management in a regulated setting and clearly explain the fundamental differences between standard post-contract procurement activities and externally funded delivery programmes for third parties. Key requirements: Strong understanding of funding arrangements and their commercial implications Proven ability in supporting and evaluating procurements in a commercial environment Expertise in cost management, financial profiling and...

This is a Client side opportunity for an M&E Project Manger working within a Client Side Construction Projects team for a significant Data Centre owner / operator. This is a live data centre and a busy role whereby you will be Project Managing various building services upgrades and retrofits on site KEY RESPONSIBILITIES: Can hold others accountable. Stake holder management. Drive efficiencies in the program. Able to deliver under pressure and look for opportunities. MEP background comfortable managing contractors, consultants. Good communication skills able to work with client side internal operations teams and get the best from them. Strong experience in data centres, live DC environments and maintaining SLA availability tier 3 requirements. Strong Admin skills understanding of audit trails and developing/working to process. Methodical and effective in decisions. Able to report up blockers issues next steps and recommendations and track weekly progress. Solution...

Job Title: Senior Construction Project Manager Location: London (2 days/week on site) Contract Duration : 31/12/26 Daily Rate: £700/day (Umbrella Maximum) IR35 Status : Inside IR35 Security Clearance: SC The Role: This person would be the senior project manager for a high profile project in the built environment sector taking place in London and would have the technical and scheduling knowledge to manage the contractors delivery teams and designer. Job Responsibilities: Lead construction delivery. Hold the contractor to account on scheduling and cost. Risk Management & Mitigation. Identify potential project roadblocks such as permit delays or budget overruns and implement strategies to keep the project on track. Primary Liaison. Act as the main point of contact between the owner/developer and the design team (Architects/Engineers). Coordination between professional services, contractor, key stakeholders & internal stakeholders. Regular reporting...

Job Title: Senior Finance Transformation Manager - SC Location: Green Park, Reading (3 days/week on site) Contract Duration : 24 Months Daily Rate: £77.20/hr (Umbrella Maximum) IR35 Status : Inside IR35 Security Clearance: SC (Must be eligible) Qualified accountant recognised qualification or equivalent experience PMO skills/Experience Proactive, a self-starter who can use initiative to get assigned tasks completed. Essential: Active SC Clearance or eligible/willing to be put through SC. SC would need to be in place prior to starting. Co-ordinating across finance function and working with cross functions to deliver change, I.E. IT Experience of driving system enabled business improvement related to finance 5 10 years experience (Proven individual) Qualified accountant recognised qualification or equivalent experience PMO skills/Experience Proactive, a self-starter who can use initiative to get assigned tasks completed. Has worked on a...

Job Title: Alarms System Implementation Specialist - SC Location: Salisbury (on site) Contract Duration : 21 Months Daily Rate: £670/day (Umbrella Maximum) IR35 Status : Inside IR35 Security Clearance: SC & Sole Uk National The Role: My client requires an alarms specialist with proven understanding and practical experience of EEMUA 191 who can adapt a site-wide alarms philosophy and policy to the specific needs of high-hazard buildings and facilities. They will be responsible for producing clear, relevant, and detailed working documents for each facility, enabling operators to correctly understand and implement compliant alarm management procedures tailored to their environment. The role requires someone highly proactive, self-motivated, and capable of working effectively across diverse individuals, teams, and operational contexts. The successful candidate will work closely with senior management to design and deliver a comprehensive...

Senior Content Strategist/Designer Contract Daily Rate: Up to 600 (inside IR35 via umbrella) Contract Length: 3 Months initially Location: Hybrid (2 days in the London Victoria office) Are you ready to take a leading role in shaping product content for a dynamic organisation? We are seeking a Senior Content Strategist/Designer to join our team and help us elevate our content creation process. This is a unique opportunity to transform our recently defined brand voice into engaging product content that resonates with users. About the Role As a Senior Content Strategist/Designer, you will assess our current content landscape, identifying strengths and areas for improvement. Your mission will be to showcase what exceptional content looks like, and develop a straightforward, reliable system that our teams can utilise effectively. A critical aspect of this role is to ensure our content system is optimised for both human users and AI, empowering designers to produce...

Job Title: Quantity Surveyor - SC Location: Lichfield (3 days/week on site/Hybrid) Contract Duration : 51 working days Daily Rate: £ 635.75/day (Umbrella Maximum) IR35 Status: Inside IR35 Security Clearance: SC We are a team of 4 quantity surveyors and 2 apprentices(starting April/May 2026) who produce should-cost models and pricing booklets for FM projects valued at over £100m across the UK Defence estate. This involves using part in-house historical cost data and BCIS to provide estimates of the forecasted value of the contracts. For the pricing booklets, we work very closely with commercial teams to build models suitable for the various projects on both hard FM and soft FM. We support the pricing evaluation of the projects by reviewing the tenders and raising queries. We also prepare tender reports to be included in the final business case. We provide ad-hoc pricing and estimating support and check in-house data for inaccuracies and anomalies. Role: To work...

Job Title: Building Inspector - 3G, 2C or 2F Location: Remote Contract Duration 12 Months (Could extend) Daily Rate: £750/day (Umbrella Maximum) IR35 Status: Inside IR35 We are seeking Building Control Professionals - either class 3(G), 2 (C) or 2 (F) (to work under the direction of a 3(H), to join and help shape the future of building practice in England by providing direct support to our Multi-Disciplinary Teams (MDTs) to ensure regulatory decisions are technically robust and proportionate. This post requires detailed knowledge of technical matters Candidates will be good communicators, able to present technical issues clearly and succinctly Roles will mainly support New build Higher Risk Building plans assessment for Building Control innovation team. You will be providing specialist advice to MDTs reviewing (and peer reviewing) building control applications, and support regulatory and policy teams interpretation of the Building Regulations 2010. Key...

Planner P6 - Civil Engineering Employment type - Freelance Salary/Rate - Competitive Dependant on Experience Location - Luton This is a great opportunity to join a highly reputable Contractor as a planner in the Luton area working on a large civil engineering and utility project. You will be focusing on planning during the construction phase of the project. Due to the nature of the project it would be a great advantage to have some experience in heavy civils, groundworks and utilities. Typical responsibilities of the role are as follows: Assist the construction team by re-aligning work load and programmes Preparing target programmes to issue to sub-contractors Monitoring and preparing progress report with the Project Manager Providing information to the main contractor to assist in obtaining extension of time approval for a number of sectional completion dates. Providing information to Senior Managers on work force requirements. Coordinating void closure for rooms,...

Job Title : Senior Category Manager - SC Location: Reading (3 days/week on site) Contract Duration : 12 Months Daily Rate: £81.74/hr (Umbrella Maximum) IR35 Status : Inside IR35 Security Clearance: SC & Sole Uk National Essential: SC (Security Clearance) 5+ years Public Procurement experience Negotiating Stripping costs from contracts Supplier Relationship Management Ability to influence and deliver Stakeholder Management at various levels, internal and external Ability to work autonomously Has worked similar size of contract Knowledge of MOD or working with MOD, 3+ years (worst case would accept public sector experience) Has experience doing competitive flexible procurement on PA23. Open framework experience Desirable: ERP experience An IT Background Background in integrating systems, eg SAP or similar Key Accountabilities: Develop and implement Category Strategies for assigned sub-group of categories, balancing short and...

Job Title: Senior Quantity Surveyor (Freelance) Location: North London (multiple sites) Contract Type: Freelance Contract Rate: £550 £650 per day INSIDE IR35 Company Overview We are recruiting for an experienced Senior Quantity Surveyor to support the delivery of civil engineering and infrastructure projects across North London. This opportunity sits with a well-established Tier 1 contractor operating across sectors including water, utilities, transport, and energy. The business delivers projects through long-term frameworks, standalone schemes, and reactive works, offering exposure to a diverse range of project types and environments. This is a great opportunity to join a high-performing commercial team on a contract basis, supporting key infrastructure projects with an immediate start. The Role As a Senior Quantity Surveyor, you will take responsibility for the commercial management of multiple projects across various sites in North London. This is a...

Our client is a dynamic, fast growing data centre Construction Support Consultant operating both in the UK and internationally. They have grown rapidly and have earned a fantastic reputation across DC expansion projects, white space and hyper scale dc schemes To support these exciting schemes they are looking for an MEP Design Manager to join the team The Design Manager will oversee and coordinate the design aspects of construction projects from inception to completion. Your primary responsibility will be to ensure that the design meets our clients requirements, adheres to regulatory standards, and offer value engineering solutions. You will collaborate with architects, engineers, contractors, and the project team to develop and implement design strategies that align with project goals. Additionally, the Design Manager will coordinate with external designers for each project and report any design risks to the Projects Director. The ideal applicant will be from an...