Software Test Engineer

Hertfordshire, England, United Kingdom

4/3/2025

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’re recognised 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.

THE OPPORTUNITY

SII is seeking a skilled Software Test Engineer to design, deliver, and maintain a data management system for the payload processor test systems at on behalf of our customer. The role involves ensuring the database infrastructure supports all processor hardware testing activities and is accessible across cleanrooms and internal environments. The successful candidate will engage with existing database structures, built on a MongoDB framework, to ensure seamless integration and continued support for our Space Customer’s testing infrastructure requirements.

Key Responsibilities

• Develop and maintain a MongoDB-based data management system for payload processor test systems.
• Ensure database availability across internal networks/systems for uninterrupted test operations.
• Implement and enhance tools and utilities for test data extraction, analysis, and report generation.
• Minimise planned maintenance and downtime, providing at least 10 working days’ notice for any maintenance activities.
• Engage with existing database structures to prevent unnecessary rework.
• Support processor hardware testing activities within our Space Customer’s premises.
• Collaborate with test engineers, software developers, and system administrators to align database functionalities with project needs.
  
  

Essential Skills And Experience

• Database Development: Proven experience with MongoDB and database design for testing environments.
• Software Development: Proficiency in Python, Java, or C++ for database interactions.
• Data Management: Experience with data extraction, analysis, and visualization tools.
• Systems Integration: Understanding of cleanroom environments and integration with hardware test systems.
• Aerospace & Defence: Experience in a highly regulated environment, preferably within Aerospace or Defence sectors.
• Collaboration & Communication: Ability to work closely with test engineers, software teams, and system administrators.
  
  

Benefits

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 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 bar, however 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.
  
  

http://www.groupe-sii.com/en