principal .net engineer jobs in Cardiff

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...

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 be based near the vibrant, diverse Welsh Capital City of Cardiff. Benefits for the role of Principal Drainage Engineer include (but are not limited to): Competitive salary (depending on your skills and experience) Employee Pension Scheme Generous annual leave allowance

You will report directly to the Senior Civil Engineer and your role will be to provide superior quality Engineering Design services to allow t...

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.

Job Description Principal / Associate Smart Building Technical Engineer - Building Technology Systems Join to apply for the Principal / Associate Smart Building Technical Engineer - Building Technology Systems role at WSP in the UK & Ireland. What we will be looking for you to demonstrate - A passion for the future of technology in the built environment, and deep curiosity for exploring its...

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...

A well established civil and structural engineering consultancy in the Cardiff area has an immediate requirement for a structural engineer from a building structures background. We are looking for someone to join the business in a senior technical position with the view to progressing into senior management. On offer is unique financial benefits, the details of which will be disclosed to...

A well-established multidisciplinary consultancy in Cardiff is seeking a Principal Sustainability Consultant to lead complex projects and shape sustainability strategies. This senior role involves managing projects across the built environment, mentoring junior consultants, and ensuring delivery of technical sustainability assessments. Ideal candidates will have significant experience in energy...

Job Summary Aviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool! Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers. We combine aircraft manufacturer expertise,...

A leading engineering firm in the United Kingdom is seeking an Associate/Technical Director Sustainability Consultant to lead sustainable building initiatives. The role requires individuals to develop sustainable strategies, manage projects, and engage with clients across diverse sectors. Applicants should have a relevant degree, experience in sustainability assessments, and strong communication...

You will have detailed knowledge, competence and qualifications in a selection of the following fields. It is not expected that applicants will have expertise in all of the below topics. Applicants will be expected to have focus areas and detailed knowledge within them and should demonstrate a willingness to gain expertise in other topic areas.

You will have detailed knowledge, competence and qualifications in a selection of the following fields. It is not expected that applicants will have expertise in all of the below topics. Applicants will be expected to have focus areas and detailed knowledge within them and should demonstrate a willingness to gain expertise in other topic areas.

A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully. Job Title: Senior / Principal Ecologist (Biodiversity Net Gain Specialist) Salary: £40,000 - 50,000 (dependent on experience) Location: UK (flexible) Type: Permanent | Hybrid working available About the Role: Our client is seeking a motivated Senior or...

You must be self-motivated, enthusiastic, determined and resilient. Work under pressure, with excellent time management and success in meeting tight deadlines. Manage and work on multiple assignments delivering outputs on time and within budget. Understanding of TCPA, DCO, TWAO or equivalent applications.

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.

You will play a pivotal role in enhancing sustainability efforts within the Built Environment, coordinating across various disciplines and supporting high-profile projects.

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: - Advising government (local, regional, national, international) on how to decarbonise transport in line with carbon budgets and net zero - Collaborating with other teams in our Mobility business and other Disciplines to identify the optimal solutions for addressing the decarbonisation challenge and their associated impacts