Senior Security Engineer - Cloud Infrastructure

Role overview Turner Townsend is looking for a Senior Estimator with a background in infrastructure projects to join its London office. This position centers on developing detailed cost estimates and assisting with budget management for a variety of infrastructure initiatives. What you will do Prepare thorough cost estimates for infrastructure projects Review and analyze project specifications and contract documents Offer guidance to project managers and clients on managing budgets Work closely with internal teams and external stakeholders to help achieve financial targets Team environment Collaborate with project managers and clients to support the successful delivery of a broad range of infrastructure projects.

Role overview Turnertownsend is hiring an Infrastructure Estimator based in London. This role supports major infrastructure projects by producing accurate cost estimates that guide project planning and decision-making. What you will do Collaborate with project managers and engineering teams to review project specifications and requirements Create detailed cost estimates for various infrastructure projects Analyze data and prepare thorough reports to assist with project planning and feasibility assessments Who we’re looking for Success in this position comes from strong attention to detail and a collaborative approach within project teams. An interest in infrastructure and a commitment to delivering quality work are important qualities for this role.

Role overview Turner Townsend is seeking an Associate Director of Estimating for the Infrastructure team in London. This position takes a senior role in leading estimating efforts across a variety of infrastructure projects. The focus is on delivering precise cost forecasts and supporting efficient project execution. Key responsibilities Lead and oversee estimating processes for several infrastructure projects at once Collaborate with project teams to help achieve successful outcomes Deliver accurate cost estimates within set deadlines Work to optimize project costs through effective estimation and teamwork Requirements Extensive experience in estimating, preferably in the infrastructure sector Strong leadership skills, with a track record of managing estimation activities on a large scale Demonstrated ability to work well with multidisciplinary project teams

About Our ClientJoin a prestigious and reputable industrial roofing contractor based in the UK. With a surge in tender requests, our client is eager to welcome a talented Estimator to their proficient Estimating team.About The RoleConduct detailed drawing take-offs for accurate project estimations.Prioritize incoming tenders effectively.Analyze architectural plans and specifications meticulously.Evaluate cost priorities to ensure competitive bidding.Review and assess material and labor requirements for each project.Develop and maintain a comprehensive directory of trusted suppliers.About The CandidateA minimum of 2 years of experience in estimating within the flat roofing sector is required.Must reside within a reasonable commuting distance of London.Ability to deliver quick turnarounds on tenders is essential.Demonstrated stability in previous employment as evidenced in your CV.

Join Our Team as a Groundwork Assistant Estimator!With over four decades of industry experience, The Just Group is thrilled to offer an exciting opportunity for an Assistant Estimator to become part of our dynamic team. Located in North London, we specialize in a variety of residential and commercial groundwork projects.Our company has successfully secured multiple projects across Essex, London, and Berkshire, demonstrating our commitment to excellence and innovation in the groundwork sector.Key Responsibilities:Identify and propose alternative design solutions, including value engineering options.Establish and manage tendering processes while conducting negotiations effectively.Maintain a comprehensive directory of suppliers, contractors, and subcontractors.Mentor and support junior team members as they develop their skills.Track project targets and workflow to ensure timely delivery.Organize and control tender documentation meticulously.Undertake additional duties as directed by management.

Join MUBI as a Senior Infrastructure EngineerMUBI is a renowned global streaming service, production company, and film distributor committed to celebrating exceptional cinema. Our mission is to create, curate, acquire, and promote visionary films that reach audiences worldwide. With passionate teams collaborating across cities like London, New York, Istanbul, Paris, Berlin, and Mexico, we strive to make great cinema accessible to everyone.We invite you to be part of our vibrant global team and contribute to our mission.Role OverviewThis is not your conventional DevOps or ML infrastructure role. As a Senior Infrastructure Engineer, you will build and deliver innovative software solutions, including internal tools, services, and automated processes that address real infrastructure challenges. Your work will encompass automated incident response, intelligent observability, and support ticket management. You will apply agentic patterns to navigate the complexities of operational environments instead of training models or managing GPUs.We are seeking a senior candidate who excels in system architecture, mentors fellow engineers, and leads by example. Your background should include hands-on experience in developing infrastructure applications and tools, demonstrating a willingness to explore new systems, take ownership of challenges, and drive solutions to fruition.Our infrastructure team adheres to SRE principles, focusing on building reliable, automated systems and minimizing operational toil. You will be responsible for developing and maintaining the platforms that empower our engineering teams to deploy, scale, and monitor their services. Your responsibilities will span from managing bare-metal CDN servers to Kubernetes clusters and AI-enhanced workflows.Join us in a small team with high autonomy and direct impact, working in a hybrid model (2-3 days a week in London), with remote work options available for exceptional candidates outside the city.

Join our dynamic team as a Cost Estimator in the Defence sector, where you will play a pivotal role in delivering cost-effective solutions for high-profile projects. You will utilize your analytical skills to assess project requirements, prepare cost estimates, and contribute to strategic planning.We are looking for individuals at all experience levels who are passionate about the defence industry and eager to grow their careers in a challenging yet rewarding environment.

Join our dynamic team at Turner Townsend as a Senior Bid Manager specializing in Infrastructure. In this pivotal role, you will lead and coordinate bid processes, ensuring that our proposals meet the highest standards of quality and align with our strategic objectives. Your expertise will not only drive business growth but also enhance our reputation in the infrastructure sector.

Role overview This Senior Cost Manager position at Turner Townsend focuses on infrastructure projects in London. The role centers on managing costs for large-scale initiatives, supporting project delivery from start to finish. What you will do Manage costs throughout every phase of infrastructure projects Coordinate with project teams to help keep schedules and budgets on track Support the delivery of high-quality work across all project outputs Work with colleagues from diverse backgrounds to meet project objectives Location This role is based in London.

Role overview As a Senior Infrastructure Engineer (AWS) at umed, the focus is on building and maintaining the company’s cloud infrastructure. This position is fully remote and supports the London-based team. The main responsibilities involve designing, implementing, and managing scalable environments within AWS. What you will do Design and implement AWS infrastructure to meet evolving business requirements Manage and fine-tune cloud services to ensure high reliability and strong performance Collaborate with teams across umed to keep services available and responsive Incorporate security and compliance best practices into all infrastructure work Location This is a remote position, supporting the team in London, England, United Kingdom.

About H Company H Company pursues advances in superintelligence with a focus on agentic AI. The team works to automate complex, multi-step tasks that typically require human involvement, aiming to expand what people can achieve. H Company values curiosity, responsibility, and a commitment to safety in AI. The culture emphasizes openness, ongoing learning, and collaboration, with each person’s input recognized and appreciated. Infrastructure Team Overview The Infrastructure team provides researchers and engineers with the resources they need to do their best work. This group maintains the core infrastructure behind H’s public services, building systems that are reliable, scalable, and ready for growth. Team members shape everything from foundational models to agent systems and public-facing services.

Role overview Turner Townsend is seeking a Senior Quantity Surveyor to join the infrastructure team in London. This role centers on managing costs for large-scale infrastructure projects, with a strong emphasis on keeping work within agreed budgets and schedules. What you will do Lead cost management activities for significant infrastructure projects Collaborate with project teams and clients to coordinate budgets and project timelines Help deliver projects that achieve both financial targets and scheduling requirements

Turner Townsend seeks a Senior Cost Manager to lead cost management for infrastructure projects in London. This role centers on keeping projects aligned with budget and schedule targets, ensuring financial discipline throughout each phase. Key responsibilities Oversee all cost-related aspects of infrastructure projects from initial planning through completion Offer strategic guidance on cost control measures and accurate forecasting Manage financial reporting processes to support project decisions Collaborate with project teams to identify cost risks and propose practical solutions Requirements Significant experience managing costs for infrastructure projects Proven ability in cost forecasting, budget control, and financial reporting Skilled at providing clear, strategic advice to project stakeholders

About ClickHouseFeatured on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands as a pioneering and rapidly expanding private cloud enterprise. With an impressive client base exceeding 3,000 and an annual recurring revenue (ARR) that has surged over 250% year-on-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.Our remarkable growth trajectory was recently underscored by a substantial $400 million Series D funding round. In the last quarter alone, notable clients like Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or enhanced their use of our platform. They join a diverse roster of innovators in AI and global brands such as Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize data utilization for businesses. Be a part of our exciting journey!About the TeamThe Cloud Infrastructure Engineering team is dedicated to constructing and maintaining the essential components of ClickHouse Cloud's data plane. This encompasses computing, networking, security, and a multi-cloud, multi-region architecture designed to deliver a reliable and scalable managed ClickHouse experience for our customers. We are in search of highly skilled and experienced cloud infrastructure software engineers to join our team, responsible for the design, deployment, and maintenance of our infrastructure.

Join AECOM as a Senior Design Manager specializing in Electrical Infrastructure. In this critical leadership role, you will oversee the design and implementation of electrical systems in large-scale infrastructure projects. Your expertise will guide project teams, ensuring adherence to safety standards and efficiency in delivery. You will collaborate closely with engineers and stakeholders to achieve project objectives while mentoring junior staff.

Role overview Turner Townsend seeks a Senior Project Manager to oversee infrastructure projects in London. This role manages complex initiatives from early planning through delivery, ensuring that scope, schedule, and budget requirements are met. What you will do Lead infrastructure projects through all phases, from initiation to completion Direct and support project teams, providing guidance at each stage Build and maintain strong working relationships with clients and stakeholders Use established best practices to help ensure successful project outcomes Location This position is based in London.

Join physicsx as a Senior Software Engineer specializing in Site Reliability Engineering (SRE). In this pivotal role, you will be responsible for enhancing our core infrastructure, ensuring reliability, scalability, and performance of our software systems. You will work with a talented team to design, implement, and maintain robust solutions that meet the needs of our users.As a senior engineer, you will also mentor junior team members, contribute to architectural discussions, and drive best practices in software development and operations.

Join our team as a Senior Cost Manager specializing in Energy Infrastructure, where you will play a pivotal role in managing complex projects within the energy sector. You will be responsible for overseeing cost management processes, ensuring that projects are delivered on time and within budget. Your expertise will help shape the future of energy infrastructure across the UK and beyond.

Join PhysicsX as a Senior Machine Learning Infrastructure Engineer and play a pivotal role in shaping our machine learning capabilities. In this position, you will architect, develop, and scale our infrastructure to support advanced machine learning models and applications. Collaborate with cross-functional teams to ensure seamless integration and high performance of our ML systems.