Linux systems administrator / DevOps engineer

Ref: DLJ019

Closing date: Midnight 31st September 2018

Accountable to:

Chief Information Officer


37.5 hrs p.w.


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


£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

We’re looking for a new member of our infrastructure and architecture team to help us scale our platform and boost our development and deployment pipelines. There will be great opportunities in this role to investigate the latest DevOps tools, develop new skills, and make a real contribution to solving global problems that save big amounts of energy. With the company set to grow rapidly in the coming years, there will be opportunities to progress your career, both in terms of skills and seniority.

The role will work closely with the senior developers and other engineers. In the next year, our focus is on:

  • achieving ISO certification for security
  • improving performance metrics and reporting
  • deploying new data processing pipelines
  • improving the automation of development, testing and deployment

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

Skills and experience


  • Experience administering Linux servers
  • Keen interest in computer security
  • Familiarity with Python, Bash & Git version control


  • Familiarity with Docker and containers (highly desirable)
  • Experience of implementing highly available/clustered services
  • Experience of configuring monitoring and alerting systems
  • Familiarity with standards’ based development and code review

Our technology stack

  • Ubuntu servers
  • Python backend and web services
  • Docker Deployment and Salt configuration management and provisioning
  • Kafka and RabbitMQ
  • Postgres, Cassandra, Arango, Mongo, Redis and S3 data stores
  • CollectD, StatsD, Graphite and Grafana
  • Jenkins for continuous testing and integration
  • Git and GitHub

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.