Refine your search
Contract Types
Business Sectors
Working Arrangement
Specialisms
Locations
Executive Jobs
Maidenhead
£65k - 80k per year
Permanent
On Site
Ready to take a big step in software engineering? As a Principal Software Engineer, you'll lead from the front in embedded and application software, help shape the technical direction, and mentor a talented team working on cutting-edge cyber and defence technology. This Principal Software Engineer role offers real autonomy, meaningful impact, and the chance to deliver high-quality software into complex, mission-critical programmes.
What You Will Do:
? Architect, design, implement, document and test embedded and/or application software to a strong project software development process.
? Apply object-oriented design and design patterns to enable re-use and smooth integration with test frameworks.
? Review system design artefacts and derive software requirements and architecture that meet high-level system needs.
? Maintain high-quality software design using modelling tools such as RSA and Enterprise Architect (EA), supporting accurate code generation where required.
? Drive best-practice development, including TDD/BDD, Continuous Integration, DevSecOps and static and run-time analysis, with a focus on secure software development.
? Lead technical reviews, sign off significant technical documents, and mentor engineers to help the whole team deliver with confidence.
What You Will Bring:
? A degree in an engineering, mathematical or science-based subject, or equivalent experience.
? Significant experience with embedded product development (including bare-metal and RTOSes such as ThreadX, QNX or Linux) and/or embedded Linux application, kernel and/or driver development.
? Strong C or C++ experience, alongside a solid understanding of best-practice software development lifecycles.
? Proven object-oriented design experience using principles such as SOLID and practical design pattern use.
? Experience with software testing and design for test, plus a track record of using version control, continuous integration and automated test tooling.
As a Principal Software Engineer, your leadership directly supports the delivery of advanced cryptographic and key management solutions within the cyber industry. Every programme depends on secure, reliable software, and your expertise will help the team balance requirements, schedule and cost while continuously improving tools and processes. The result is higher quality engineering outcomes and a stronger technical standard across software development and verification.
Location:
Based in Maidenhead, United Kingdom, with full-time onsite working expectations aligned to programme needs. There is good flexibility to working hours
Interested?:
If Principal Software Engineer is the next move on the path to greater technical leadership, apply now and take your place in a role where expertise genuinely makes a difference.
Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
Abingdon
£50k - 55k per year
Permanent
On Site
R&D IT Infrastructure Specialist
Location: Oxford (onsite)
Overview
We are seeking an experienced R&D IT Infrastructure Specialist to develop the IT environments that support research, engineering, testing, simulation and laboratory operations. This role is ideal for someone with a strong infrastructure background and proven experience supporting R&D, laboratory or engineering environments, where uptime, security and performance are business-critical.
Key Responsibilities
- Manage and enhance IT infrastructure across R&D and laboratory facilities, including networks, servers, storage, virtualisation, cloud services and endpoint technologies.
- Partner with research, engineering and laboratory teams to deliver infrastructure solutions that support innovation and product development.
- Lead infrastructure projects for new laboratories, test facilities and specialised R&D environments.
- Support the deployment and integration of laboratory equipment, instrument control systems and scientific data platforms.
- Ensure infrastructure availability, cybersecurity, disaster recovery and operational resilience.
- Drive continuous improvement through automation, monitoring and modern infrastructure practices.
- Manage third-party suppliers, technology partners and infrastructure vendors.
- Maintain IT governance, asset management, capacity planning and documentation standards.
Essential Experience
- 8+ years' experience in IT infrastructure, enterprise IT or technical operations.
- Proven experience supporting R&D, laboratory, scientific, engineering, testing or product development environments is essential.
- Experience commissioning and supporting laboratory infrastructure, specialist equipment and associated technologies.
- Strong knowledge of networking, servers, storage, virtualisation, cloud platforms, backup and disaster recovery.
- Understanding of cybersecurity principles, network segmentation and access management.
- Experience delivering infrastructure projects and managing external suppliers.
Key Skills
- Infrastructure architecture and solution design
- R&D and laboratory systems support
- Project delivery and stakeholder management
- IT service management and operational excellence
- Cybersecurity and compliance
- Vendor and supplier management
- Continuous improvement and automation
- Strong communication and leadership skills
Preferred Certifications
- ITIL Foundation
- PRINCE2 or PMP
- Microsoft, Azure, VMware, Cisco or AWS certifications
- Cybersecurity certifications such as CISSP, CISM or ISO 27001
Please note: Candidates must have previous experience supporting R&D, scientific, engineering or laboratory-based environments, as this is a key requirement for the role.
Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
Woolavington
£45k - 50k per year
Permanent
Hybrid
Are you ready to take your career to new heights in a dynamic and forward-thinking environment? This exciting opportunity as an Enterprise Applications & IT Operations Specialist offers you the chance to work on cutting-edge manufacturing technologies, contribute to innovative projects, and play a vital role in shaping the future of IT operations in a high-volume manufacturing setting. If you're passionate about technology and want to make a tangible impact, this role is your next big step.
What You Will Do:
- Manage and support critical IT applications within a high-volume manufacturing environment, ensuring optimal system uptime and reliability.
- Collaborate with manufacturing stakeholders to translate operational needs into robust IT requirements.
- Oversee the deployment, integration, upgrades, and lifecycle management of manufacturing applications, ensuring scalability and alignment with enterprise standards.
- Establish strategies and policies for operational support, troubleshooting, and application upgrades across systems like ERP, MES, PLM, and more.
- Partner with cross-functional teams, including engineering, R&D, and supply chain, to ensure seamless programme delivery and alignment with strategic goals.
- Lead resolution of application incidents, implement risk mitigation strategies, and ensure compliance with cybersecurity policies.
What You Will Bring:
- Extensive experience in managing manufacturing-related IT applications and OT systems such as SCADA and PLCs.
- Strong knowledge of PLM, MES, CAD, simulation tools, and IT infrastructure, including networks and servers.
- Proven ability to work collaboratively across technical and non-technical teams, fostering alignment and effective communication.
- Expertise in regulatory compliance, cybersecurity, and risk management within IT operations.
- A proactive approach to problem-solving, with the ability to adapt to changing business needs and deliver creative solutions.
This role is not just about maintaining systems; it's about driving innovation, improving processes, and contributing to a sustainable future. The company is committed to accelerating the global transition to net zero by embedding circular economy practices and developing world-class battery technologies. As an Enterprise Applications & IT Operations Specialist, you will be a key player in designing and supporting the IT landscape that underpins these ambitious goals.
Location:
This role is based in Bridgwater Somerset, 3 days a week onsite in a fast-paced manufacturing environment.
Interested?:
Don't miss this opportunity to be part of an innovative team where your expertise will make a real difference. Apply now and take the next step in your career as an Enterprise Applications & IT Operations Specialist!
Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
Maidenhead
£70k - 80k per year
Permanent
On Site
Are you ready to take your career to new heights? This is your opportunity to join a company at the forefront of defence technology, where innovation and excellence are at the heart of everything they do. As a Principal Systems Engineer, you'll be working on groundbreaking projects that redefine the future of defence, contributing to the development of advanced systems that ensure the highest levels of security and trust on a global scale. If you're ready to make a real impact, this role is your chance to shine. The role is to help implement and assure ISO 15288 processes across the full systems engineering life cycle on our projects. Responsible for enabling and assuring a consistent Systems Engineering approach across multi-discipline teams—defining stakeholder requirements, supporting delivery of the required products and demonstrating compliance to customer satisfaction.
What You Will Do:
- Represent the Systems discipline as a senior leader, overseeing complex work packages and ensuring timely delivery.
- Collaborate with Engineering Project Leads to meet project obligations within budget and schedule.
- Develop and deliver high-quality Systems Engineering artefacts across the product lifecycle.
- Provide technical direction and influence across multiple projects, ensuring optimal solutions and designs.
- Lead internal and external design reviews, presenting to senior management and customers.
- Manage external suppliers and customers, ensuring compliance with agreed processes and objectives.
What You Will Bring:
- A degree or equivalent qualification in Engineering, Mathematics, Physics, or relevant industry experience.
- Proven expertise in Systems Engineering, including ISO/IEEE/IEC standards and the V lifecycle.
- Strong technical documentation skills and experience with tools such as DOORS, UML, Enterprise Architect, and SysML.
- Demonstrable experience in hardware, software, or firmware development, particularly in embedded environments.
- Leadership experience, managing and coaching teams to achieve project goals.
As a Principal Systems Engineer, you'll play a pivotal role in shaping the company's innovative solutions, ensuring they meet the stringent requirements of their customers and contribute to global security advancements. The company fosters a collaborative environment where your expertise will drive excellence and inspire others. This is more than a job; it's a chance to be part of something transformative.
Location:
This role is based onsite in Maidenhead
Interested?:
Don't miss this exceptional opportunity to make a difference in the defence sector. Apply now to become a Senior Systems Engineer and take the next step in your career journey.

Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
Maidenhead
£90k - 110k per year
Permanent
On Site
Are you ready to redefine defence technology and lead innovative software solutions that truly make a difference? This is your chance to join a company at the forefront of pioneering advanced cryptographic and key management solutions. As a **Chief Software Architect**, you will lead and shape the software engineering strategy for advanced cyber and defence systems, overseeing a team of 20–30 engineers across multiple high-security projects. The position focuses on defining software architectures, driving best-practice development processes, and ensuring collaboration across software, hardware, systems, and firmware teams to deliver secure, scalable, and high-quality solutions. The role requires deep expertise in embedded and application software development using technologies such as C/C++, Rust, Linux, and RTOS environments, alongside experience with DevSecOps, automated testing, and secure development standards. In addition to technical leadership, the architect will mentor engineers, support bids and proposals, influence organisational software standards, and contribute to the delivery of mission-critical defence technologies requiring DV security clearance.
What You Will Do:
- Provide technical leadership across multiple projects, ensuring optimal approaches, architecture, and tool chains are selected.
- Collaborate with stakeholders to develop software requirements, architectures, and designs that meet system and security needs.
- Work closely with software leads and project managers to create development plans that deliver value early to customers.
- Mentor and coach software engineers, sharing knowledge and driving process improvements for technical excellence.
- Specify, design, and review software using UML and SysML modelling tools, ensuring high-quality, modular, and compliant solutions.
- Champion best practices in software development, including continuous integration, automated testing, and secure coding standards.
What You Will Bring:
- Advanced knowledge and experience in C/C++, Rust, or embedded product development, including RTOSes.
- Expertise in software engineering practices, methodologies, and technology trends.
- Proven track record of delivering complex software solutions to schedule while exceeding customer expectations.
- Experience with tools such as version control systems, change control, bug tracking, and automated testing frameworks.
- Familiarity with defence or high-assurance development standards, including coding standards like MISRA.
This company is committed to delivering innovative solutions that empower decision-making at both tactical and strategic levels. As a **Chief Software Architect**, you will be instrumental in driving technical excellence and ensuring the success of critical programmes that protect lives and enhance global security. Your contributions will align with the company's values of trust, collaboration, and innovation, making a real impact in the defence industry.
Location:
The role is an onsite role in Maidenhead, offering good flexibility with working hours.
Interested?:
If you're ready to take your career to the next level and lead transformative software projects, apply now to become the **Chief Software Architect**. Don't miss the opportunity to make a difference in the future of defence technology.
Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.
Worcester
Highly Competitive Salary + Company Benefits
Permanent
On Site
Senior Software Engineer
Worcester
Highly Competitive Salary + Benefits Package
Our client, Yamazaki Mazak, is a leading global machine tool manufacturer with a long-standing reputation for engineering excellence and innovation. Based at their Worcester facility, this is an opportunity to join a well-established business in a key leadership position, responsible for delivering operational performance within the Unit / Spindles production area.
This role will suit an experienced Software Engineer with a background in CNC machining, machine tool manufacturing, precision engineering, or industrial automation, who is passionate about developing innovative software solutions that enhance machine connectivity, production efficiency, and customer experience.
Software Engineer – CNC & Connected Manufacturing Solutions
We are seeking an experienced and motivated Software Engineer to join a specialist development team delivering innovative digital solutions for the CNC machining and manufacturing sector. Working closely with machine tool experts, customers, and fellow developers, you will play a key role in designing and developing software that enables connected manufacturing, machine monitoring, data integration, and operational optimisation.
This is a hands-on role where you will contribute throughout the software development lifecycle, from concept and design through to deployment and customer support. Experience within a CNC machining, machine tool, precision engineering, or manufacturing environment is highly desirable, enabling you to understand the operational challenges faced by customers and translate them into effective software solutions.
Key Responsibilities
- Design, develop, and maintain robust, scalable software solutions for industrial and manufacturing applications.
- Work collaboratively within a small, agile development team to deliver innovative connected manufacturing solutions.
- Develop machine connectivity, data acquisition, and integration solutions for CNC and industrial equipment.
- Write clean, efficient, and maintainable code in line with software engineering best practices.
- Support the deployment, monitoring, and optimisation of applications hosted within AWS environments.
- Integrate software solutions with customer systems, databases, cloud platforms, and manufacturing technologies.
- Troubleshoot technical issues across development, testing, and live production environments.
- Engage directly with customers to understand requirements, provide technical guidance, and support project delivery.
- Communicate complex technical concepts clearly to both technical and non-technical stakeholders.
- Produce and maintain high-quality technical documentation.
Person Specification
Essential Experience & Skills
- Experience working within a CNC machining, machine tool, manufacturing, industrial automation, precision engineering, or Industry 4.0 environment.
- Proven experience working within collaborative software development teams.
- Ability to engage confidently with customers and explain technical concepts in a clear and practical manner.
- Understanding of manufacturing environments, machine connectivity, production systems, or industrial data flows.
Technical Knowledge
- Object-oriented and/or functional programming principles.
- API development and systems integration.
- Version control systems, particularly Git.
- Automated testing, debugging, and software quality assurance methodologies.
Database Experience
- Strong SQL knowledge including querying, optimisation, and data modelling.
- Experience with relational databases such as PostgreSQL, MySQL, or SQL Server.
- Understanding of database performance, indexing, and data integrity.
- Experience integrating applications with cloud-hosted databases.
AWS & Cloud Technologies
Experience with one or more of the following technologies:
- AWS
- Application deployment, monitoring, and support
- Amazon RDS, DynamoDB, or equivalent managed database services
- C++
- Go (Golang)
- Bash / Shell scripting
Knowledge of industrial communication protocols, machine networking, or manufacturing systems would also be beneficial.
Your CV will be forwarded to Jonathan Lee Recruitment, a leading engineering and manufacturing recruitment consultancy established in 1978. The services advertised by Jonathan Lee Recruitment are those of an Employment Agency.
In order for your CV to be processed effectively, please ensure your name, email address, phone number and location (post code OR town OR county, as a minimum) are included.