51 to 75 of 99 Remote Principal Engineer Jobs

Principal Vulnerability Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK) Remote – UK Based Up to £110,000 + benefits Permanent – Full time Got a track record of 0-day discoveries, public CVEs, and a reputation for finding bugs that actually move the needle? Join a research-driven … backed cybersecurity scale-up trusted by Fortune 500 enterprises and critical infrastructure providers. Recognised by Gartner, $29M funded, and scaling fast worldwide. As a Principal Vulnerability Engineer , you’ll own the full vulnerability lifecycle – from discovery, through detection, to deployment – building production-grade tooling and pioneering LLM-powered ...

Principal Platform Engineer FULLY REMOTE ACROSS UK AND IRELAND Our client is a fast-scaling fintech building the next generation of payment infrastructure. They're merchant-first, engineering-led, and genuinely obsessive about outcomes over process. Small teams, real autonomy, hard problems. They're hiring a Principal Platform Engineer to own the design and delivery of a suite of Model Context Protocol (MCP) servers - the trusted, governed gateway between AI agents and their core payments platform. This is a hands-on principal role. You'll set technical direction and write production code, not just ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal role ...

Principal Cloud Engineer (AWS) - (Multiple) 📍 Central London (Hybrid – 3 days onsite) 💰 £95,000 – £130,000 + bonus + great benefits Defence/SC Clearance Requirements SC clearance is required for our customer facing teams. You do not need active SC clearance as we will undertake checks upon … platform. From landing zones to cloud operations and risk mitigation, we're at the forefront of cloud transformation — and we're looking for a Principal Cloud Engineer (AWS) to join our team. What you’ll do Design & build enterprise-scale AWS landing zones Automate complex AWS platforms with ...

Principal Firmware Engineer (FPGA) – 1701 Location: Edinburgh (primarily onsite, with limited remote working) Duration: 12 Months (Inside IR35) Rate: £70 per hour Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview … opportunity has arisen for a Principal Firmware Engineer to join a multidisciplinary engineering team developing advanced FPGA and firmware solutions for complex, high-performance electronic systems. The role covers the full development lifecycle, including requirements capture, architecture development, FPGA design, integration, verification, and qualification activities. The successful candidate ...

Principal Platform Engineer - UK Security Clearance required. Location: London, UK (Hybrid – typically ~1 day per week in office/on-site) Contract: Permanent, Full-time Package: £90,000 – £120,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Us At Appvia, we help organisations … work across public and private sector customers, supporting large‐scale transformation programmes and long‐term platform evolution. About the Role As an AWS Principal Platform Engineer, you will play a senior technical leadership role across Appvia’s platform engineering engagements. You will help customers design, build, and evolve ...

Principal Systems Engineer Embedded & Hardware Bedford Hybrid Working (3 Days Onsite) An exciting opportunity has arisen for an experienced Principal Systems Engineer to take ownership of a critical embedded hardware and software development programme. This is a senior technical leadership role where you will ...

Principal/Lead EngineerPython/Cloud/Terraform/IAM/DevOps/infrastructure-as-a-code IaC Rate: Circa £600 - £700 PD (Outside IR35), 6 Months Location: London/Hybrid x2 days We are seeking an experienced Principal/Lead Engineer to join a highly ambitious ...

Principal Firmware Engineer (FPGA) 1701 Location: Edinburgh (primarily onsite, with limited remote working) Duration: 12 Months (Inside IR35) Rate: £70 per hour Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview … opportunity has arisen for a Principal Firmware Engineer to j... CRWG1_UKTJ ...

Principal UI Engineer Belfast (Hybrid from Belfast0 My client is the world's largest inter-dealer broker, connecting financial institutions across fixed income, FX, equities and commodities. Their Belfast engineering hub sits within a global technology function working on platforms that underpin some of the most complex financial … markets on the planet. This is serious engineering at real scale. They are looking for a Principal UI Engineer to sit at the top of their front-end stack - someone who sets direction, owns architecture and makes the engineers around them better. They are open to strong Senior ...

Azure Principal Platform Engineer - Appvia - UK Government Security Clearance eligibility required. Location: London, UK (Hybrid - typically ~1-2 days per month in office) Contract: Permanent Package: £90,000 – 120,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Us At Appvia, we are committed … edge technologies and services to support cloud adoption, enabling companies to deliver applications in the cloud with ease. About the role As an Azure Principal Platform Engineer, you will guide customers toward Cloud and DevOps excellence, designing and implementing scalable, resilient, and secure platforms while leading a team ...

Principal Firmware Engineer (FPGA) – 1701 Location: Edinburgh (primarily onsite, with limited remote working) Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application. Duration: 12 Months (Inside IR35) Rate: £70 per hour Umbrella … seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Overview An xxuwjjq opportunity has arisen for a Principal Firmware Engineer to j Please click on the apply button to read the full job description ...

Principal Platform Engineer Location: South-West (Hybrid - 3 days on-site) Security: Must be eligible for SC Clearance Salary: Up to £110,000 per annum iO Associates are supporting an in innovative engineering organisation delivering cutting-edge technology for complex, mission-critical environments in their search … Principal Platform Engineer click apply for full job details ...

Principal Control Systems Engineer Sheffield - Hybrid Full-time Are you ready to lead complex control systems projects from concept through to delivery? Do you enjoy combining technical leadership with client-facing responsibility? Could this be the step up where your engineering expertise shapes major projects in highly regulated ...

Stevenage As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA's Vision 2040. Salary : Circa £55,000 depending … fertility testing and treatments Facilities : Fantastic site facilities including subsidised meals, free car parking and much more The opportunity: As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take ...

Principal Mechanical Design Engineer - Data Centres Location: South London About the Role We are looking for an experienced Principal Mechanical Design Engineer to lead the design and delivery of large-scale, mission-critical data centre projects . This is a senior leadership opportunity for someone with … drive best practice Champion sustainability, energy efficiency, and low PUE design strategies Key Requirements Degree qualified in Mechanical Engineering or Building Services Engineering Chartered Engineer (CEng) or working towards chartership Significant experience delivering data centre or mission-critical projects Strong knowledge of: Chilled water systems and plant design Airflow ...

Principal Mechanical Design Engineer - Data Centres Location: South London About the Role We are looking for an experienced Principal Mechanical Design Engineer to lead the design and delivery of large-scale, mission-critical data centre projects . This is a senior leadership opportunity for someone with … drive best practice Champion sustainability, energy efficiency, and low PUE design strategies Key Requirements Degree qualified in Mechanical Engineering or Building Services Engineering Chartered Engineer (CEng) or working towards chartership Significant experience delivering data centre or mission-critical projects Strong knowledge of: Chilled water systems and plant design Airflow ...

this team delivers the performant, reliable, and scalable foundation trusted by the world’s largest engineering companies. About the role We’re seeking a Principal Software Engineer to lead the architectural evolution of our platform as we scale to meet growing demand from the world’s largest engineering … across the engineering organization. Interview and onboard new engineers. Who You Are 12+ years of software engineering experience with at least 2 years in principal/staff engineering roles. Expert‐level Python development skills with production experience at scale. Deep expertise in distributed systems architecture. Strong Kubernetes experience with ...

Principal Hardware Engineer - Near Edinburgh Hybrid - 65K plus Bonus Having placed a number of people into their team ourselves, Lorien's long standing client based near Edinburgh - a leader in their industry with a growing and consistently award-winning product line - have asked us to help them … their searches for a Principal Hardware Engineer to join their team on a permanent basis. Taking designs from initial concept stages to production, you'll be a driving force behind new ideas, contribute towards the ongoing improvements of key electronics and systems at the core of the product ...

Principal Site Reliability Engineer Location: Reading- Hybrid working (2-3 days onsite) Salary: £95,000 (plus bonus) Clearance: Active SC clearance required This role is a senior technical role focused on ensuring large-scale software systems and platforms are reliable, scalable, and performant. Principal SREs ...

Principal Platform Engineer Location: South-West (Hybrid - 3 days on-site) Security: Must be eligible for SC Clearance Salary: Up to £110,000 per annum iO Associates are supporting an in innovative engineering organisation delivering cutting-edge technology for complex, mission-critical environments in their search … Principal Platform Engineer. This is a hands-on technical leadership role where you'll design and build resilient infrastructure for distributed systems operating in environments with limited or unreliable connectivity. You'll work on challenging problems around orchestration, security, automation, observability, and platform architecture, helping to create systems that ...

Principal Cloud Engineer (AWS) - (Multiple) Location: Cheltenham – Hybrid up to 3 days onsite Salary: £95,000 - £130,000 Defence/SC Clearance Requirements: Due to working with a number of government bodies, SC clearance is required for our customer facing teams. You do not need active SC clearance … risk mitigation, with the opportunity to accelerate your growth while shaping work that matters. What we’re looking for We are looking for Principal Cloud Engineers with extensive landing zone knowledge and site reliability best practice. For us, this means experience of designing, building and operating enterprise-scale landing ...

Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. … mitigate risk Mentor and support other safety case engineers and promote best practice What You'll Need: Degree in engineering (or equivalent) Chartered Engineer (or working towards) Broad experience in safety case development across multiple project types Strong communication and stakeholder engagement skills Experience mentoring or leading technical teams ...

moving company that values creativity, sound technical judgment, data-informed decisions, and systems that make the business better. Position Overview We are seeking a Principal Drupal Engineer to play a central role in planning, building, and improving the Drupal-based platform that will power the next generation … assisted and agentic coding tools such as Claude Code, OpenAI Codex, GitHub Copilot, Cursor, and similar tools. This role is well suited for an engineer with deep Drupal experience who enjoys hard architectural problems, e-commerce at scale, strong code quality, practical delivery, and helping a capable team build ...

Principal Mechanical Design Engineer - Near Edinburgh (Hybrid) Lorien is supporting their longstanding, highly regarded and Scottish-born client in the search for a Principal Mechanical Design Engineer to join its product development team. This is a senior-ranking opportunity for someone who enjoys leading complex design ...