Embedded systems engineer

Ref: DLJ017

Closing date: Midnight 31st September 2018

Accountable to:

Systems Architect


37.5 hrs p.w.


Plexal Innovation Hub, Here East, Stratford, London E20 3BS


Norwich NR3


£40,000 – £45,000

About us

Demand Logic is an award winning company on a mission to get buildings working better.

Our platform streams real-time data from the controls systems of big commercial buildings. We use pioneering modelling, analytics and visualisations to focus users on key performance issues that can otherwise go unnoticed for years.

We are transforming the way property manages can manage their buildings. Our customers love how our software helps them to save serious amounts in energy and maintenance costs while improving the comfort and well-being of building occupants.

The role

Demand Logic has built an industry leading embedded data acquisition device (DAD) capable of streaming large volumes of data direct from building controls systems. Ensuring our fleet of DADs run smoothly is critical to our on success.

Your job as a member of the infrastructure & architecture team is to administer our data acquisition device (DAD) fleet, improve on their architecture for simpler maintenance, and to scale their management systems.

You will also contribute to the design and development of the next generation of DADs.

You will be fully involved in the entire software development lifecycle, with plenty of opportunities to take the lead on various aspects of the work and the freedom to suggest new tools, techniques and processes. Pair-programming and mutual code-review are daily practises.

This is an incredible time to be working in our field and Demand Logic is beautifully placed to shape the change. Join our talented and inspiring team and you will play a crucial role in making a real difference.

About you

We’re looking for an experienced engineer excited by the challenges of rapidly scaling a fleet of embedded IoT devices and gateways.

Skills and experience


  • You have an infrastructure mindset. It makes you proud and happy that your work ensures the steady stream of raw data from thousands of the largest commercial buildings into our databases.
  • You pay attention to detail without forgetting the bigger picture.
  • You have experience with:
    • embedded devices hardware and software
    • Linux system administration, preferably Debian or Ubuntu
    • building Linux binaries for target platforms
  • The shell prompt is your home.
  • You are familiar with Python scripting.
  • You enjoy learning from others and sharing your knowledge with your team.
  • You’re comfortable with real-time online communication (chat, video) and project & task management.


  • DevOps best practises like automation and monitoring guide your work
  • You have worked with an embedded Linux distribution, e.g. Ubuntu Core/Snap, Yocto, Raspian or Wind River Linux
  • You are somewhat familiar with a configuration/deployment/orchestration management tool, e.g. Chef, Puppet, SaltStack or Ansible
  • You have come across HVAC or IoT protocols or standards, e.g. BACnet, Haystack, or MQTT
  • You have packaged software, e.g. Python wheel/pip, DEB, RPM or Snap
  • You have an understanding of mobile data services (3G/UMTS and LTE)
  • You have a basic understanding of electronics, e.g. the design of an uninterruptible power supply (UPS)
  • You have used system virtualization or emulation (libvirt/qemu/kvm), or containerisation (Docker)
  • You are an open source contributor
  • You know how to be a considerate and helpful part of a geographically distributed team

Demand Logic is an engineering-led company, so we appreciate any and all technical capability. If you’re interested in other technical disciplines, that’s a plus.

Our technology stack

  • Industrial embedded board with x86-32 CPU and mostly standard components
  • Debian and Ubuntu
  • Python
  • Saltstack for config management
  • Docker for service sandboxing
  • libvirt/KVM/qemu for testing and building
  • AMQP (RabbitMQ) as message bus
  • OpenVPN

Join us and you’ll enjoy

  • Flexible hours
  • Working from home
  • 25 days holiday pro-rata per year from the start
  • Pension contribution
  • Child care vouchers
  • Beautiful offices overlooking the Lee Navigation canal, 5 mins from Hackney Wick or from Stratford International station by courtesy shuttle bus
  • Access to a vibrant social calendar through our co-working space, including:
    • Free health and fitness classes (pilates, capoeira, HIIT, yoga, meditation)
    • Free pizza and beer evening every month
    • Coffee and pastry Thursdays

How to apply

Please send your CV and a covering letter, detailing why you think you would be suitable for the position, to:


Please use the job title and reference number as your email subject line. (No agencies, please.)

Diversity, equality, inclusion

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, gender, disability, religion/belief, sexual orientation or age.

We positively encourage applications from groups typically underrepresented in STEM.