Electronics & Embedded Software Engineer

Electronics & Embedded Software Engineer – £45,000

Sheffield City Centre | Hybrid WFH | Permanent

KO2’s client a rapidly expanding technology SME based in a beautifully restored steelworks building in the heart of Sheffield. The electronics business is a small, agile team developing cutting-edge ultrasonic sensing systems for international clients – and are on the lookout for a talented Electronics & Embedded Software Engineer to help take our R&D projects into commercial products.

Founded in 2018, they are a 12-person company with a rich mix of PhDs, mechanical engineers, and technical specialists. This electronics business has built a reputation for high-quality R&D consultancy and are now transitioning into full product development, there is exciting growth ahead. The workspace is a creative, industrial heritage site – a truly inspiring place to work.

You’ll take ownership of the electronics side of the business, helping move from integrating third-party PCBs to designing and building the companies own hardware. This role is ideal for someone who’s excited by the challenge of developing products from the ground up and wants to grow with a business that’s scaling fast.

Your responsibilities will include:

PCB design, development, and iteration (spinning new boards)
Embedded software development (mainly in C)
Supporting productisation of ultrasonic sensor systems
Basic programming and microcontroller work (e.g., ESP32)
Ideally, contributing FPGA experience (bonus, not essential)

Skills Required:

Strong electronics background
Experience with embedded software (C, ideally for ESP32 or similar)
Comfortable working independently and owning your domain
Bonus: FPGA experience

Salary & Benefits:

Up to £45,000 per year
Hybrid & highly flexible working (family-friendly, commitment-friendly)
Relaxed and supportive culture
Clear path for progression as we grow the electronics team

This is a rare chance to help shape a company’s electronics capability in its early growth stage, while enjoying the flexibility and culture of a close-knit team.

Embedded Software Engineer

Embedded Software Engineer – Birmingham | Hybrid WFH (1-2 Days Office Per Week)

KO2 is working with a leading technology company in Birmingham that’s seeking an experienced Embedded Engineer to join their expanding development team. This is an exciting opportunity to work on cutting-edge embedded systems for next-generation products, while also supporting and enhancing existing solutions.

The role offers flexible hybrid working, with 1 or 2 days a week in the Birmingham office ideally.

Key Responsibilities:

  • Develop and optimize embedded software in C/C++, with a focus on STM32 firmware.
  • Work with GSM/GPRS communication protocols to enhance connectivity features.
  • Lead the transition to a new operating system for upcoming products.
  • Collaborate with hardware and software teams to design robust embedded solutions.
  • Perform thorough testing and debugging to ensure high reliability.

Essential Experience & Skills:

  • Minimum 5 years’ experience in an embedded software development role.
  • Strong C/C++ programming skills for low-level development.
  • Proven experience with STM32 microcontrollers.
  • Solid understanding of RTOS and hands-on experience in OS transitions.

Desirable Skills:

  • Experience with CAN bus protocols.
  • Familiarity with GSM/GPRS communication protocols.
  • Knowledge of MISRA C coding standards.
  • Exposure to MQTT and other IoT communication protocols.

This is a unique opportunity to contribute to the development of advanced products in a company that’s driving innovation in its sector. You’ll be working in a collaborative environment where your input will shape future technologies.

If you’re an Embedded Engineer with strong skills in C, STM32, and RTOS—and you’re excited about working on next-gen embedded systems—apply today and take the next step in your career.

Apply today with an up-to-date CV to KO2 Embedded Recruitment Solutions.

Head of Engineering Services

Head of Engineering Services

Location: York (Hybrid working – minimum 3 days on-site)
Salary: £70,000 – £90,000 + Benefits
Employment Type: Permanent

Lead Innovation in Rail Software Engineering

KO2’s client, a leading provider of high-integrity embedded software solutions, is seeking a proactive and strategic leader to join as Head of Engineering Services. In this pivotal role, you’ll lead the delivery of complex technical software projects for clients across the rail sector, ensuring safety, performance, and innovation.

If you thrive on team leadership, project ownership, and strategic planning within technically demanding environments, this is an excellent opportunity to shape and grow a high-performing services team in a dynamic and forward-thinking business.

Your Responsibilities

Strategic Leadership

  • Define and execute the software engineering services strategy to deliver high-quality outcomes to clients in the rail and high-integrity software industries.
  • Drive continuous improvement in service delivery, quality management, and operational efficiency.
  • Mentor and coordinate expert engineers across multiple teams and projects.

Project Management

  • Lead key technical software projects with hands-on oversight and end-to-end accountability.
  • Plan and manage resources, schedules, and delivery timelines across multiple concurrent initiatives.

Client Engagement & Business Development

  • Develop strong client relationships to understand project needs and deliver to high standards.
  • Work with the sales team to scope and quote for new projects, contributing to business growth.
  • Ensure exceptional customer satisfaction through clear communication and effective project execution.

This is a hands-on leadership role requiring regular presence in the York office. Remote-only working is not suitable.

About You

Essential:

  • Proven experience managing complex software engineering projects.
  • Strong grasp of project management methodologies (Agile, Waterfall or hybrid approaches).
  • Technical background in software engineering or embedded systems.
  • Exceptional communication and stakeholder management skills.
  • Demonstrated ability to manage multiple simultaneous projects and priorities.

Desirable:

  • Experience in safety-critical or high-integrity software environments (e.g. EN 50128 or equivalent standards).
  • Background in embedded software verification, performance analysis, or real-time systems.
  • Strong analytical and strategic problem-solving skills.

Why Join KO2’s Client

You’ll be part of a collaborative and supportive engineering culture that values innovation, personal growth, and meaningful contribution. The business offers:

  • Hybrid working with a minimum of 3 days per week in York
  • 33 days of flexible annual leave (including bank holidays)
  • Private pension scheme
  • Cycle-to-work and electric vehicle schemes
  • Perkbox membership
  • Team away days and regular socials
  • Free drinks, fruit, and on-site cycle/car parking
  • Relocation support if moving to York

About the Company

KO2’s client is a specialist in high-integrity software development, supporting the rail sector with advanced verification, validation, and timing analysis tools. Their work directly contributes to safety, reliability, and innovation across next-generation rail systems.

Senior Network Engineer

Senior Network Engineer

Worsley

£50,000 + Bonus (up to 15%) + Excellent Benefits

KO2’s client are hiring a Senior Network Engineer to join a fast-growing company based in Worsley, leading the charge in IoT-connected technology across Europe.

With 6,000–7,000 live devices operating across the continent and a complex LAN infrastructure connecting them all, this is a high-visibility, mission-critical role at the heart of the business. You’ll be working with a massive, high-availability network, bigger than most organisations of this size, with traffic across multiple APIs, customer endpoints, and network environments.

What You’ll Be Doing:

  • Taking the lead on network performance, reliability, and futureproofing a large IoT environment.
  • Supporting and maintaining 18+ Layer 3 switches across on-site and data centre locations.
  • Managing and optimising LAN/WAN and NOC infrastructure with a particular focus on upload scheduling and time-sensitive data traffic.
  • Planning the transition to a hybrid cloud model—currently in testing—migrating from local data centres to cloud without compromising network security or device uptime.
  • Owning all things network: Disaster Recovery, Data Protection, Security Policies, and compliance.
  • Looking at ways to reduce costs and improve service performance, e.g., line procurement and provider negotiation.
  • Supporting colleagues with Active Directory, Intune device management, and contributing to documentation, IT security, and general infrastructure support in a tight-knit team.

What KO2’s client are Looking For:

  • Deep expertise in networking in complex, high-traffic environments, ideally in IoT or electronics-heavy organisations.
  • Strong background in datacentre environments, ideally with experience in large ISPs or similar.
  • Hands-on experience managing and optimising LAN/WAN networks and Layer 3 switching.
  • Experience or strong interest in hybrid cloud transitions from legacy infrastructure.
  • Understanding of security and compliance, with a pragmatic approach to maintaining uptime and resilience.
  • Ability to work autonomously and own the entire networking estate.
  • Familiarity with supporting wider infrastructure tools and platforms such as Intune, AD, and endpoint management.

Package:

  • £55,000 – £60,000 salary
  • Bonus up to 15%
  • Private medical (with option to upgrade to family)
  • 5% pension matched
  • Dental and optical cover

Why Join KO2’s client?

  • Take ownership of a large-scale, business-critical network
  • Be the go-to expert in a company where networking is both a priority and a challenge
  • Play a key role in shaping the future of the network as the business moves towards cloud
  • Enjoy a supportive team, where your expertise is highly valued and your impact is visible

This is a rare opportunity to own and evolve the networking backbone of a thriving IoT company. If you’re someone who thrives in complex environments, has a passion for network infrastructure, and wants to be part of shaping the next generation of a critical platform—we’d love to hear from you.

Apply now or get in touch for a confidential chat.

Hardware Test Engineer

Hardware Test Engineer
Manchester | Up to £45,000 | Hybrid WFH – 2 Days from Home a Week

KO2’s client, an industry leader in the design and development of cutting-edge automated electronic and software solutions, is looking to hire a Hardware Test Engineer to join their highly skilled engineering team.

This is a fantastic opportunity to work on a diverse range of innovative products used across industrial, commercial, and high-tech sectors. You’ll be responsible for hands-on testing of bespoke hardware systems, ensuring high standards of reliability and performance before deployment.

What You’ll Do:

  • Develop and execute manual test procedures for hardware systems and components
  • Work closely with design and development teams to identify and resolve issues
  • Maintain test documentation and reports to support product validation
  • Support compliance and certification processes
  • Contribute to continuous improvements in test strategies and hardware verification

What You’ll Need:

  • Proven experience in manual testing of electronic hardware
  • Strong understanding of hardware debugging, fault-finding and validation
  • Ability to interpret schematics, technical drawings, and datasheets
  • Familiarity with lab equipment such as oscilloscopes, multimeters, and signal generators
  • Excellent communication skills and a collaborative mindset

Bonus Points For:

  • A broad understanding of electronics including the ability to read circuit diagrams.
  • Exposure to EMC, CE, or safety compliance testing
  • Experience with firmware or embedded level software testing.

What’s On Offer:

  • Salary up to £45,000
  • Flexible hybrid working – 3 days on-site in Manchester, 2 days from home
  • Opportunity to work on cutting-edge, real-world technology
  • Friendly and supportive team environment
  • Career progression and training opportunities

Join a forward-thinking company at the forefront of electronics innovation. If you’re passionate about hardware and thrive on solving technical challenges, this is the role for you.

Apply today with an up to date CV to KO2 Embedded Recruitment Solutions.

 

Electronic Engineer

Position: Electronic Engineer
Location: Between Sheffield and Chesterfield (Flexible Hybrid Work from Home)

About the Role:
An exciting opportunity has opened for an Electronic Engineer to join a growing, multidisciplinary engineering team working on cutting-edge bespoke projects. Our client specialises in the design and manufacture of complex electronic solutions, combining custom-designed interfaces with off-the-shelf components.

As an Electronic Engineer, you’ll play a hands-on role across the full product development lifecycle—from concept and circuit design to PCB layout, testing, and fault finding. You’ll collaborate closely with like-minded engineers and report directly to the Design Manager.

Key Responsibilities:

  • Design and layout of multilayer PCBs
  • Digital and analogue circuit design
  • Creation of schematic diagrams
  • Electronics testing and fault diagnosis
  • Designing for manufacture

Desirable Skills & Experience:

  • Experience with Altium Designer
  • Microcontroller development (ARM, PIC, TI, etc.)
  • Background in test equipment, automation, or control systems design

Why Join?

  • Work on a wide variety of innovative projects
  • Be involved in the full design lifecycle
  • Join a supportive and experienced engineering team
  • Flexible hybrid working model
  • Office located between Chesterfield and Sheffield – easily commutable from Nottingham, Mansfield, Barnsley, Worksop, and surrounding areas

Apply Today:
To apply for this fantastic opportunity, please submit an up-to-date CV or contact Laurence Powell or Andrew Knight at KO2 Embedded Recruitment Solutions for more information.

Electronic Engineer

Position: Electronic Design Engineer

Salary: £50,000 – £60,000

Location: Sheffield + Hybrid Work from Home

About the Role:

We are excited to be recruiting for an Electronic Design Engineer to join a growing, innovative team based in Sheffield. This is a fantastic opportunity to work on cutting-edge technology for a company with a strong global reputation for delivering reliable and forward-thinking electronic solutions.

What You’ll Be Doing:

As part of a skilled and collaborative design team, you’ll take a hands-on role in the full product development lifecycle, from concept through to delivery. Your work will focus on designing analogue and digital circuits, creating multilayer PCB layouts (ideally using Altium), and ensuring compliance with EMC safety standards. You’ll also have opportunities to expand your skills in embedded systems, power electronics, and communication protocols.

What We’re Looking For:

We’re seeking a degree-qualified engineer with solid industry experience in electronic design. You should be confident working independently and as part of a team, with strong attention to detail and a passion for developing innovative solutions.

Core Skills Required:

  • Analogue and digital circuit design
  • Multilayer PCB layout and design (preferably Altium)
  • Schematic capture and documentation
  • Communication protocols: UART, SPI, RS232, I2C
  • Knowledge of EMC safety standards
  • Full lifecycle product development experience

Desirable Experience:

  • Embedded systems development
  • Power electronics: SMPS, AC/DC design

Why Join?

This is an excellent opportunity for an enthusiastic engineer looking to broaden their experience and contribute to the development of next-generation products. You’ll enjoy varied, challenging work within a collaborative environment where your ideas and innovation are welcomed.

If you’re ready to take the next step in your electronic design career, get in touch with Laurence Powell or Andrew Knight at KO2 Embedded Recruitment Solutions Ltd to find out more

Embedded Systems Engineer

Embedded Systems Engineer – Birmingham

KO2’s client is a pioneering technology company based in Birmingham, working at the forefront of operational efficiency in water management. They are now seeking a talented embedded systems engineer (also known as an electronics software engineer) to join their close-knit and collaborative engineering team.

This role is ideal for an experienced electronics engineer who enjoys a mix of hardware and software design. You will be involved in designing both analogue electronics and digital electronics, as well as writing embedded C for real-time systems.

Key Responsibilities:

  • Design and develop analogue and digital electronics for embedded systems
  • Write and maintain embedded C code for ARM or similar microcontrollers
  • Collaborate closely with the team to deliver innovative solutions for industrial clients
  • Support board bring-up, debugging and testing of electronics and firmware

Skills Required:

  • Proven experience as an embedded software engineer
  • Strong background as an electronics engineer, covering both analogue and digital electronics
  • Proficiency in embedded software development using C
  • Experience with schematics, PCB layout and hardware debugging

Location and Flexibility:
The role is based in Birmingham. KO2’s client values team collaboration and face-to-face engineering discussions, so being onsite is important. However, they offer a grown-up and flexible approach to work. Senior engineers can typically work three days onsite and two days remotely, depending on the project stage.

This opportunity would suit a professional embedded software engineer who enjoys delivering high-quality, output-driven solutions, or an electronics engineer looking to continue applying both hardware and firmware skills in a rewarding environment.

If you’re an electronics engineer or an embedded software engineer who enjoys working across hardware and software, and you’re looking for a flexible, collaborative role with meaningful engineering impact, we’d love to hear from you.

Product Manager

Position: Product Manager – Electronics Devices Design

Location: Sheffield Area

Salary: Up to £65,000 + Benefits

Are you passionate about shaping the future of innovative electronic products? Do you have a strong background in product development and a strategic mindset? Join our clients growing team in Sheffield as a Product Manager, and help them design, develop, and deliver cutting-edge electronics solutions that make a real impact.

Our client is a growing electronics product design company specialising in the development of high-performance, user-focused devices for a range of industries, from consumer tech to industrial applications. With a strong culture of innovation and collaboration, they bring ideas to life – from concept through to production.

The Role:
As a Product Manager, you will be at the heart of our product lifecycle – working closely with engineering, design, marketing, and sales teams to define product vision, gather customer insights, and drive projects through to launch.

Key Responsibilities:

  • Own the product roadmap for electronic device development
  • Conduct market and user research to identify opportunities
  • Define product requirements and translate them into technical briefs
  • Coordinate cross-functional teams from concept to launch
  • Monitor product performance and iterate based on feedback
  • Ensure products meet regulatory and quality standards

What We’re Looking For:

  • Proven experience in a Product Manager role, in electronics or hardware
  • Strong technical understanding of electronic product design
  • Excellent communication, leadership, and project management skills
  • Ability to balance user needs, business goals, and technical feasibility
  • Ability to work closely with engineers, heads of departments and customers

Nice to Have:

  • Background in engineering or industrial design
  • Experience working in a fast-paced, agile environment
  • Experience with cloud technologies

What’s on Offer:

  • Competitive salary and benefits package
  • Flexible working
  • A collaborative, forward-thinking work environment
  • The opportunity to make a tangible impact on innovative products

Apply today for this exciting new role via KO2 Embedded Recruitment Solutions.

Senior Software Engineer – C++ / Linux

Senior Software Engineer – C++ / Linux

Location: Rotherham + Flexible working
Salary: Up to £60,000 + Benefits

Are you a skilled C++ developer with a strong background in Linux? Would you like to help shape the future of connected safety devices that protect people and critical environments?

We’re looking for a Senior Software Engineer to join our team in Rotherham, where you’ll be a key contributor to the development of IoT-enabled safety solutions.

Key Responsibilities:

  • Design and implement robust software solutions in C++ for Linux platforms.
  • Develop and maintain KO2s client applications for real-time device connectivity and management.
  • Integrate software with custom hardware and networked IoT systems.
  • Collaborate with hardware, firmware, and cloud teams to ensure seamless interoperability.
  • Take ownership of technical decisions and mentor junior engineers where needed.

Key Skills & Experience:

  • Proven experience in C++ software development for Linux systems.
  • Understanding of IoT architectures and data protocols (e.g., MQTT, CoAP).
  • Familiarity with low-level system debugging, hardware interfaces, and build systems
  • Strong grasp of networking, security, and performance in embedded systems.
  • Background in embedded systems
  • Degree qualification in related subject – computer science etc

Desirable:

  • Experience with real-time systems or Bare metal development
  • Exposure to automated testing and CI/CD pipelines in embedded environments.
  • Proficiency with version control systems (e.g., Git) and Agile workflows.

Apply directly with an up-to-date CV to KO2 Embedded Recruitment today!