Software Engineer

SII UK; Stevenage; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Private Medical Insurance

Life Cover

Income Protection

25 days holiday

Sick Pay

Flexible working

Cycle to Work

TechScheme

Continuous professional development

Job summary

SII UK is seeking a Software Engineer in Stevenage to design, develop and maintain test solutions leveraging C/C++, C#, and scripting skills. You will work on test automation frameworks, apply DevOps and CI practices, and contribute to high-quality software through craftsmanship principles such as unit testing and TDD.

The role emphasizes hands-on debugging, electronics insights, and collaboration within a skilled team to deliver robust test systems for diverse engineering projects.

Qualifications

• Proficiency in C/C++ and C# programming.
• Experience with scripting and automation.
• Understanding of test automation tools and DevOps practices.

Responsibilities

• Experience with communications protocols and embedded knowledge is desirable.
• Hands-on debugging and measurement using oscilloscopes and related equipment.
• Strong teamwork, problem-solving, and communication skills are essential.

Skills

C/C++

C#

Scripting

Test automation

DevOps

Embedded knowledge

Job description

Software Engineer

Location

Stevenage, Hertfordshire, GB

Postcode: SG1 1

Application Details

Closing Date: 2026-12-20 at 11:03:43.91

Job Type

CDI / SII United Kingdom

Company Overview

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR. With over 16,000 professionals across 21 countries, we are recognized as a "Great Place to Work" for fostering a high-trust culture. Our core values of Trust, Transparency, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner. Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry-leading engineering expertise. "Let's Tech Together" is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

Overview

We are seeking a skilled Software Engineer to develop and maintain test solutions, with a focus on C/C++, C#, and scripting languages. The role involves working with test automation frameworks and tools such as LabWindows CVI or TestStand, applying DevOps and continuous integration practices, and supporting high-quality software development through craftsmanship principles like unit testing, TDD, and agile collaboration.

Responsibilities

• Experience with communications protocols (e.g. TFTP, Ethernet, RS232/422/485, Modbus, CAN, MIL-STD-#####) and embedded/electronics knowledge is desirable.
• The position also requires hands-on debugging and measurement using oscilloscopes, spectrum analysers, and related equipment.
• Strong teamwork, problem-solving, and communication skills are essential.

Essential Skills

• Proficiency in C/C++ and C# programming
• Familiarity with scripting and automation
• Understanding of test automation tools and DevOps practices
• Knowledge of electronic measurement/debugging techniques

Benefits

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 10 days full sick pay per year
• Flexible working
• Cycle to Work & TechScheme
• Continuous professional development
• Corporate access to the Udemy platform
• If you're applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic barrier, but certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.