principal .net engineer jobs in Guildford

A leading software development company in the UK is seeking a Full Stack Developer to work on exciting web, desktop, and mobile projects. This role offers the chance to collaborate closely with architects and engineers while working remotely. Candidates should have outstanding experience in C#, ASP. NET Core, Web API, and SQL Server, with additional experience in Angular preferred. Competitive...

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 provide technical direction, manage multidisciplinary teams, and drive innovation in sustainable and digital construction.

You will report to the Heathrow Director, Huso Yildirim and manage a team of graduate, senior and principal engineers in Guildford, Basingstoke, Southampton and Heathrow.

Job Description Principal Systems Engineer – External Communications Frimley, Surrey (hybrid working 2-3 days on site per week) – 12 month duration – Pay rate £57 p/h PAYE basic (£65.29 including holiday pay) or £76.98 p/h Umbrella The External Communications Principal Engineer will be able to apply their subject matter expertise and domain experience to good Systems Engineering practices, to...

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 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.

PRINCIPAL ELECTRICAL ENGINEER Location: Leatherhead, UK Contract duration: initial 12-month contract - renewable Start Date: ASAP Project: LNG We are seeking an experienced Principal Electrical Engineer for a long-term contract role. The position requires full-time office attendance and offers an opportunity to work on LNG FEED projects. The role is a contract position with an initial...

Principal Engineer – External Communications Initial 12 Month Contract 2-3 days per week on site Frimley, Surrey £76.98 Per Hour (Umbrella Rate - Inside IR35) The Role - Capture and agree technical requirements. - Design documentation generated, captured, configured and controlled in accordance with company processes. - Design change requirements and documentation generated, captured,...

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.

You will be responsible for all activities related to turbine design and interface with turbine OEM in offshore wind. How can you support us? Here below your responsibilities: - Building and verification of aeroelastic model of the turbine - As the Principal WTG Engineer, you will manage the turbine controller tuning and development

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

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

Job Description Job Title: Principal_Engineer/Delivery Lead Location: Surrey, UK- 2-3 days onsite- McLaren Technology Centre, Chertsey Road, Woking, Surrey GU21 4YH, United Kingdom Job Type: Permanent/Fixed Term Job Summary: Job Role: - Overall responsibility for delivery of Electrical Systems Engineering and Software Systems & Controls Engineering support for Series programme. - Define and...

Building Biodiversity Better Step out of the ordinary and shape the future of ecology. At Ecology by Design, we're redefining what it means to be an ecological consultant - blending scientific rigour with creativity, innovation, and a genuine commitment to restoring nature. Here, your expertise isn't boxed in by bureaucracy or lost in endless process. It drives real-world change. If you're a...

You will also mentor colleagues, manage projects, and contribute to work winning and client engagement.

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.

A leading engineering firm in the UK is looking for a Principal Mechanical Engineer to lead high-impact building services projects. The role involves managing multidisciplinary teams, delivering MEP services, and overseeing project feasibility and client relations. The ideal candidate should have a strong background in UK MEP project delivery, proficiency in mechanical design software, and a...

Job Description V05483 Principal Engineer - Combat Systems (External Communications) - Paul Colloby is the HM. 1 position 12 month contract Frimley Hybrid - 2-3 days per week 37 hours a week Dreadnought programme £57.00 PAYE (£65.29 including holiday pay) or £76.98 p/h Umbrella Knowledge, Skills and Qualifications Knowledge: (Recommended max 5 bullets/statements) Knowledge of external...

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.

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...