Principal Systems Engineer jobs in Hemel Hempstead

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will define technical strategy, design scalable data systems, mentor senior engineers, and partner closely with product, engineering, analytics, and business leaders to transform strategic goals into robust, data-driven solutions.

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You will be responsible for the technical delivery of multiple projects, preparing outline and detailed designs, calculations, reports, and drawings, while mentoring junior engineers and coordinating teams What we're looking for: - Chartered Civil/Structural Engineer with strong knowledge of Eurocodes and UK design codes

Position Title: Electrical Engineer – BESS Salary: £45K - £55K + bonus Location: United Kingdom Your New Employer You’ll be joining a globally respected energy solutions provider at the forefront of utility-scale battery energy storage. With a strong track record in grid-connected projects and an international footprint, the business delivers full turnkey BESS solutions for some of the most...

Contract – 8 Months Inside IR35 Remote – UK Power Systems Consultant (EMT & RMS Studies) The consultant will support power system projects across multiple phases by delivering high-quality electrical studies and technical documentation. Key Responsibilities - Develop and validate EMT and RMS models for assets such as WTGs, PPCs, and STATCOMs. - Plan and execute design and Grid Code...

Our client, an operational technology and digital transformation company, is recruiting for a Senior/Lead Protection & Control Systems Engineer to join their business in Staffordshire. Position Title: Senior/Lead Protection & Control Systems Engineer Position Type Permanent Start Date: ASAP Location: Remote from UK Contact: Ashish Rastogi| +44 151 808 1029 Job Description: - As part...

You will shape both how interactions are built and what expressive capabilities are possible, translating cutting-edge research into robust, real-world systems.

You will act as a key point of contact for clients and stakeholders, while supporting and mentoring junior colleagues across a wide range of challenging and rewarding projects.

You will join a forward-thinking consultancy known for delivering high-quality hydrological and land development work.

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

About the Role: We are seeking a dynamic and technically skilled Technical Solutions Manager to join our team specializing in Battery Energy Storage Systems (BESS). This role is pivotal in designing and delivering tailored technical solutions that meet customer requirements while ensuring compliance with industry standards. In this role, you will work closely with customers, internal teams, and...

Role The PowerVR team produce the world's leading family of ultra‐low power GPU IP cores. We are scaling our architecture team and are looking for GPU experts to help define the future generations of PowerVR GPU architecture. In this role, you will be working closely with the senior leadership of the company in defining the roadmap of our GPU family and deliver the architecture of our next‐gen...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

Title: Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We’re looking for talented engineers to join our...

Role: Principal Electrical Engineer Location: Devonport(Hybrid role requiring onsite presence 2 days/month) Duration: 2 years Inside IR35: Umbrella About our Client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and...

Senior Technical Engineering Manager / Technical Director A leading developer and operator of advanced, AI-focused data centres is expanding its technical operations function and seeking a Senior Technical Engineering Manager to play a key role in the leadership of its Data Centre estate. With a hyperscale-inspired, industrial-scale platform, the business provides cutting-edge, sustainable and...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...