Systems Developer

UK Networks Services (UKNS) is an engineering company at the forefront of the UKs transition to a smarter, more flexible electricity system. Our work spans two core areas:

• Technical grid consulting advising on complex grid connections, regulatory strategy, and power system planning for some of the UKs most significant infrastructure projects.
  
• Smart grid control systems designing and deploying advanced automation, monitoring, and control solutions that enable customers to connect, manage and optimise energy assets across large, distributed networks.
  

Within the smart grid side of the business, we design and integrate systems that combine PLC-based control, SCADA, metering, protection, and real-time data platforms. These systems are deployed on projects such as grid-scale load management, site-wide export limitation, substation automation and dynamic network control.

Position Overview:

As a Systems Developer, you will build and enhance the software and data systems that underpin our smart grid solutions.

This role is based full time at our office in Little Hadham, Hertfordshire, a short drive from Bishops Stortford.

This role is aimed at a .NET developer with solid experience who wants to expand into cloud, IoT and systems engineering. You will work across edge devices, cloud platforms and real-world infrastructure, gaining exposure well beyond a typical software role.
You will work closely with the CTO and engineering teams to deliver scalable, reliable systems that connect devices, process data and provide meaningful insights to customers.

What youll be doing:

Develop software for IoT edge devices using .NET and Node-RED
Design and develop database architectures and data models
Build and enhance IoT control systems using MQTT and Modbus
Develop and improve customer-facing SCADA and data visualisation platforms
Create automated provisioning, deployment and testing systems via APIs and device automation
Build reporting systems for customers, devices and internal operations
Improve data export, processing and integration pipelines
Contribute to ongoing improvements in system performance and efficiency
Support and maintain Azure-based environments
Manage and optimise SQL databases
Maintain cloud and on-premise virtual machines
Support mobile gateway infrastructure and VPN connectivity
Manage SIM-based connectivity across deployed devices
Maintain and monitor MQTT messaging infrastructure
Support and enhance Grafana dashboards and customer reporting tools


Requirements

Essential qualifications & experience :

Minimum 5 years experience in software development
Strong experience with the Microsoft stack (.NET, C#, SQL Server)
Strong experience with JSON
Experience working with APIs and system integration
Experience with cloud platforms (preferably Azure)
Strong problem-solving ability and practical mindset

Desirable :

Experience with IoT technologies (MQTT, Modbus)
Familiarity with Node-RED or similar tools
Experience with Grafana or data visualisation platforms
Understanding of networking concepts (VPNs, routing, gateways)


Benefits What's in it for you:

£45,000 £55,000 salary depending on experience
Opportunity to work on some of the UKs most advanced smart grid control projects
Direct coaching and mentoring from an experienced CTO
Exposure to industrial control systems, IoT and energy infrastructure
Support to attain relevant certifications
Clear career progression within a growing, innovation-focused company
Company bonus scheme
Enhanced employers contribution pension scheme
Death in Service benefit policy
Salary sacrifice schemes (Bike to work, Electric Vehicles)
25 Days of annual leave plus local bank holidays
Days available to volunteer for local clubs/charities
£300 available for sponsorship of local club or charity
Professional registration fees paid annually
On-site parking

Note: To be eligible for this job you must have the right to work in the UK, we currently do not sponsor applications for employment visa status.

UKNS values diversity in the workplace and is a fair and equal-opportunity employer. We are committed to creating an equal and inclusive working environment, with the aim that our employees will be truly representative of all sections of society and that each person feels respected and able to give their best.