Control Systems Engineer

Control Systems Engineer – WinCC | Warrington | £60,000 | UK Passport Required

KO2’s client, a specialist in advanced control systems and is seeking an experienced Control Systems Engineer with a deep understanding of WinCC, Siemens PLCs, and redundant server architecture.

This is a full-time, permanent role based onsite in Warrington. Due to the nature of the work, candidates must hold a UK passport.

The Role:

The successful candidate will be involved in both the design and modification of complex control systems used in managing control systems that are used to control objects of high value.

Key tasks include:

  • Developing and modifying graphical interfaces for new and legacy systems using WinCC Pro
  • Programming SCADA systems to interface with databases for read/write operations
  • Working with redundant WinCC servers and multiple operator stations across a high-density tag environment
  • Integration and control of systems using Siemens S7, TIA Portal, and STL programming
  • Interfacing with Plant Bus and Graphical Bus environments
  • Onsite testing, with final FAT carried out by the client before installation
  • Approximately 12 weeks per year onsite for installations and testing

Technical Requirements:

  • Strong expertise in WinCC Pro development and VB/C++ scripting
  • Experience with high availability Siemens systems, particularly 1517HA and 1515R
  • Comfortable working with redundant server systems, node configurations, and multiple screen environments
  • Ability to interpret and modify existing models and system graphics
  • Experience with SCADA-controlled databases for switching operations (ON/OFF logic)

Preferred Experience:

  • Located within a commutable distance of Warrington (e.g., St Helens, Wigan, Liverpool, Manchester)
  • Strong background in control systems for critical infrastructure, especially aviation or transport sectors

Salary & Details:

  • £60,000
  • Onsite role in Warrington
  • UK passport required
  • Full-time, permanent position

This is a rare opportunity to work with cutting-edge, safety-critical systems in a highly specialised and rewarding field. If you are a Siemens control systems expert looking for your next challenge, KO2 would love to hear from you.

 

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.

Embedded Linux Software Engineer

Job Title: Embedded Linux Software Engineer
Location: Worcester (Hybrid WFH Available)
Salary: Up to £60,000

Our client, a leading innovator in the wireless communications sector, is seeking a talented Embedded Linux Software Engineer to join their growing team in the Worcester area. This is a fantastic opportunity to work on new advanced technology projects with real-world impact, in a hybrid working role. There is an exciting new product roadmap ahead of them and they are growing the team based on this.

Role Responsibilities:

  • Design, develop, and maintain embedded Linux software for remote and wireless communication systems.
  • Work closely with hardware and software teams to deliver robust, high-performance solutions.
  • Configure, build, and optimize Linux-based operating systems for custom hardware platforms.
  • Contribute to the full software development lifecycle – from requirements through to testing and deployment.

Required Skills & Experience:

  • Proficiency in C/C++ programming.
  • Experience with embedded Linux (Yocto Project and Debian frameworks ideally)
  • 5+ years’ experience developing, implementing, and debugging with microcontrollers using an RTOS.
  • Experience with a range of comms and serial protocols
  • Experience with debugging tools and low-level hardware interaction.

Nice to Have:

  • Familiarity with Linux kernel, device drivers, and build systems
  • Knowledge of wireless communication protocols (4G/5G, satellite, TETRA, P25 and DMR)
  • Experience with mobile networking (e.g., LTE, WiFi, VPNs)
  • Knowledge of networking protocols as used in router applications (e.g. tun/tap interfaces, DSCP, iptables, routing, DNS & DHCP interception).
  • Python programming experience

What’s on Offer:

  • Salary up to £60,000, depending on experience.
  • Hybrid work from home
  • Opportunity to work on innovative projects in a fast-moving tech environment.
  • Supportive company culture with career progression and training opportunities.

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

Electronic Engineer

Electronics Engineer 

Location: Skelmersdale 

Salary: £50,000 to £60,000

An exciting opportunity has opened up for an electronics engineer to join a successful and long-established business based onsite in Skelmersdale. This company is a recognised leader in its field, specialising in the design and development of complex safety equipment used across ruggedised and demanding industries. With a strong reputation built over decades, the business is still led by its founder who remains a hands-on electronics engineer, reflecting the company’s deep-rooted technical focus.

We are looking for an electronics engineer with proven experience in both analogue and digital electronics. You will be involved in the full design and development lifecycle, working with a variety of components and microcontrollers to produce high-quality and highly reliable equipment tailored to extreme environments.

The role offers a salary between £50,000 and £60,000, depending on experience. While this is a full-time onsite position, the business is open to considering candidates who are semi-retired or looking for reduced hours, as long as they bring valuable experience and a passion for engineering.

This is a rare chance to become part of a collaborative and technically driven team where your input will make a visible impact. As an electronics engineer in this environment, you will work alongside like-minded individuals who are passionate about engineering excellence and innovation.

Whether you are an experienced electronics engineer looking for your next challenge, or someone seeking a meaningful role later in your career, we would love to hear from you. This is your opportunity to work with a business that values hands-on expertise and continues to push the boundaries of what is possible in safety-critical design.

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.

Electronics Team Leader/Manager

Job Title: Electronics Team Leader/Manager

Location: Chesterfield Area + Flexible Hybrid Work from Home

About the Role:

This is an exciting opportunity to join on of the UK’s premier engineering companies, supplying state-of-the-art solutions to some of the world’s leading high-tech manufacturers.

They are looking for an Electronics Team Leader / Manager to take a key leadership role in their engineering department. Reporting directly to the Operations Director, you will manage a small team of electrical and electronics design engineers, ensuring project delivery, adherence to processes, and effective cross-department collaboration.

You’ll be directly involved in the design and development of bespoke electronic solutions—from initial concept through to manufacture—using a mix of commercial off-the-shelf components and custom-designed interfaces. This hands-on leadership position requires both technical expertise and team leadership/management capabilities.

Key Responsibilities:

  • Lead and manage a small team of electrical/electronic engineers
  • Create schematics, PCB layouts, and general assembly documentation
  • Conduct fault finding and system testing
  • Collaborate with manufacturing to ensure cost-effective, manufacturable designs
  • Ensure projects are delivered on time, within budget, and to a high standard

Key Requirements:

  • Proven experience leading a small design engineering team
  • Strong knowledge of analogue and digital PCB design (Altium preferred)
  • Proficiency in schematic creation and electronic system testing
  • Experience designing for manufacturing
  • Excellent communication and organisational skills
  • A proactive, hands-on approach with strong problem-solving abilities
  • Ability to work independently and collaboratively in a multidisciplinary team
  • History of successful project delivery under time and cost constraints

Desirable Experience:

  • Experience with microcontrollers
  • Previous work within Aerospace, Defence, Automotive, Oil & Gas, or similar industries

Interested?

Apply now with your CV or contact Laurence Powell or Andrew Knight at KO2 Embedded Recruitment Solutions for a confidential discussion.