Senior Performance Engineer jobs in Chelmsford

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation. Our teams of passionate and agile...

Job Description About The Role Right across infrastructure, theres a requirement to not only maintain, but also renew and reimagine. Whatever stage youre at in your career, with us youll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you...

You will improve your communication skill through liaising with a variety of colleagues and external stakeholders, you will flex your multi-tasking approach through working on a variety of projects and you will strengthen your leadership by owning workstreams Pfizer also offers a diverse environment which allows employees numerous opportunities to grow and develop.

You will take ownership of production equipment, mentor a Junior Engineer, and contribute to production layout design, capital projects, and continuous improvement initiatives. Key Responsibilities - Maintenance, Diagnostics & Reliability

Lead the design of high-integrity PLC control systems at the heart of the UK’s most regulated and safety-critical environments. Senior/Lead PLC Control systems engineer 12 month contract – rates DOE Office-based with a Hybrid working scheme. Inside IR35 2 openings available in either Warrington, Cumbria and Stockton Role Description We are seeking an experienced PLC Control Systems...

You will be instrumental in growing the electrical design capability within an engineering consultancy that champions innovative, low-carbon building services. This is an opportunity to shape electrical strategy, influence design outcomes and mentor the next generation of engineers while working across exciting and varied projects.

You will technically lead ATE projects from concept to deployment, mentoring junior engineers and collaborating with cross-functional teams in hardware, firmware, and manufacturing to enhance product test coverage, throughput, and diagnostic accuracy. Key Responsibilities:

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

We are currently supporting a client who is looking to hire a Senior RF Engineer on a full-time permanent basis. This role offers the opportunity to work on a range of advanced RF and electronic systems within a technically driven engineering environment. Key duties will include but are not limited to: - Designing and developing RF circuits and subsystems. - Taking designs from initial concept...

Job Description Senior Platform Engineer (Oracle Cloud Infrastructure - OCI) Duration: 6 Months Location: Manchester & remote (hybrid) Rate: £760 per day IR35 Status: Inside Start: ASAP Role Overview: We're currently recruiting for an experienced Senior Platform Engineer with excellent OCI experience (Oracle Cloud Infrastructure) for our higher education client. This role is to support and...

We are seeking an experienced Senior Structural Engineer to join our team in Milton Keynes. The role requires a combination of site visits (UK wide) and office-based work. In this role, you will lead and manage a diverse range of projects, including domestic alterations, extensions, and bespoke commercial structural engineering developments. From conception to completion, you will ensure the...

We’re expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You’ll take meaningful ownership day-to-day, partnering...

Senior QA Engineer / Team Lead (C# .Net AWS) London / WFH to £100k Do you have expertise with Test Automation combined with leadership skills? You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression. As a Senior QA Engineer / Team Lead you will lead the transformation of...

About Roadern Roadern is building an AI-powered road and asset intelligence platform used by road authorities and councils. Our product is mobile-first, turning smartphone imagery, GPS, and sensor data into actionable insights at scale. We’re looking for a senior engineer who is strong in React Native, comfortable with map-heavy interfaces, and happy working across mobile and web in a startup...

DFUSION builds and maintains the platforms behind the likes of YachtBuyer and YachtCharterFleet. High-performance digital products used by millions. We combine strong engineering, advanced data and premium UX to deliver the most sophisticated technology in the luxury yachting sector. We’re looking for two Senior Full Stack Engineers with deep, hands-on experience building scalable systems and...

Job Description A Senior Hardware Design Engineer is sought to join an innovative engineering team in Essex, responsible or leading projects designing, developing, and testing hardware solutions that contribute to our range of high-performance products. The Senior Hardware Design Engineer, Essex, will lead technical excellence in the field, guiding design and validation practices and mentoring...

Senior Firmware Engineer — AI & Robotics 📍 Location: London, UK (If you like the sound of this role and want to relocate - the Client is willing to help facilitate this move!) 💼 Role: Senior Firmware Engineer ( Permanent Opportunity) 🏢 Industry: AI & Robotics | Humanoid Robotics | Automation A pioneering UK-based AI and robotics company is building the world’s most advanced, commercially...

Senior / Staff AI Engineer (Python, ML Systems) - FULLY REMOTE High-growth AI | We're working with a well-funded, fast-scaling AI company building a highly ambitious product at enterprise scale. They're now looking to add Senior and Staff-level AI Engineers to help shape the next phase of their ML platform and establish strong technical leadership within the team. This is a product engineering...

Senior AI/ML Engineer Fully Remote £100,000–£120,000 + benefits About the Role Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. They’re scaling their AI capabilities and need someone passionate about applying cutting-edge machine learning and LLM techniques to real-world crypto data. You’ll work directly with a Staff AI/ML...