Looking for your next career move in a company that’s shaping the future of satellite communications?
At ETL Systems, we’ve been leading the way in RF design and manufacturing for over 35 years. Our technology powers critical satellite communications infrastructure used by the top 20 satellite operators and teleports worldwide, and 75% of NATO governments rely on our equipment to help protect their citizens.
We’re not just growing, we’re thriving. With three Queen’s Awards for Enterprise in International Trade, and recent acquisitions of Atlantic Microwave, SpacePath Communications, and IRT Technologies, we’ve expanded our capabilities across the full RF chain. This includes everything from antenna to modem, as well as high‑power amplifiers and RF test equipment.
What truly sets us apart is our culture.
We are proudly recognised as a Great Place to Work (2024, 2025 & 2026) and named Best Workplace in Manufacturing, Production and Transportation (2025). Our success is built on strong values that shape how we work and grow together:
- Collaboration: We work as one team, united in purpose and committed to shared success.
- Innovation: We embrace curiosity and forward‑thinking to drive meaningful progress.
- Excellence: We set ambitious standards and consistently deliver high‑quality outcomes.
- Integrity: We act ethically, honestly and with professionalism in everything we do.
If you’re looking to join a company where your ideas are valued, your growth is supported, and your work makes a global impact, ETL Systems is the place for you.
- 33 days’ holiday per year (including UK bank holidays), rising to 38 days over your first five years’ service.
- Company‑funded Health Cash Plan (helping with everyday healthcare costs).
- Annual Bonus & Salary Review.
- Company Pension.
- Career development and training for all roles.
- ETL Employee Wellbeing Support: free eye tests, free Employee Assistance Programme, GP anytime.
- ETL People Perks: discounts on shopping, holidays, gym membership, days out, cinema and dining.
- Buy and Sell Holiday Scheme.
- Free on‑site Employee Gym (Hfd HQ) and subsidised Gym memberships via People Perks.
- Subsidised on‑site employee Café (Hfd HQ), with free refreshments for all employees.
- Free onsite parking, car share scheme and EV charging.
- Casual Business Dress.
- Flexible Hours available with core hours Monday‑Friday 8am‑4pm (no weekends/evening).
- Annual company events.
Role Overview
This is an exciting opportunity for a Senior Embedded Software Engineer to help shape the software capability behind ETL’s digital RF and connected product portfolio. You will work on embedded Linux systems, low‑level driver development, networking, backend services and secure user‑management functionality, contributing to products that must be robust, maintainable and high‑performing.
Working closely with FPGA, hardware, systems and test teams, you will play a key role in integrating software into complete engineering solutions and improving how we develop and deliver software across the team. The role offers a strong mix of hands‑on technical depth, product impact and collaboration in a business where innovation and engineering excellence are highly valued.
Key Accountabilities
- Design, implement and maintain embedded software for ETL products, with a focus on Linux‑based platforms and connected systems.
- Develop reliable low‑level software in C and Rust, including driver and hardware‑interface functionality where required.
- Support networking capability across the product stack, including network services, communications features and relevant driver‑layer interfaces.
- Develop and maintain backend services and platform capabilities for configuration, monitoring, user management and authentication.
- Work closely with FPGA, hardware, systems and test teams to support software integration, debugging and product validation.
- Contribute to software architecture, code quality, testability, maintainability and continuous improvement of team practices.
- Support and coach less experienced engineers through knowledge sharing, review and day‑to‑day technical guidance.
- Act with integrity and accountability in technical decisions, documentation, delivery commitments and secure software development practices.
Has strong experience in embedded software development, ideally on Linux‑based platforms.
Is comfortable working at both low level (drivers, interfaces, systems programming) and higher level (backend services, user‑facing platform features and security‑related functionality).
Brings strong C skills and practical experience with Rust in embedded, systems or backend contexts.
Understands networking fundamentals and is comfortable developing or supporting network services and driver‑related functionality.
Can work effectively across software, FPGA, hardware and systems teams to deliver integrated solutions.
Demonstrates ETL’s values through collaboration, innovative thinking, high standards of delivery and personal integrity.
Enjoys sharing knowledge, supporting colleagues and contributing to a positive, high‑performing engineering culture.
Location: Rickamsnworth or Hereford – hybrid working is available for this role.
Closing date: At ETL, we always prioritise efficiency in everything we do. With this in mind, we are looking to commence our interview process without delay and reserve the right to close the opening early should we receive suitable applications.
BPSS Compliant: Due to the nature of our work, all roles require candidates to be BPSS compliant.
VISA Sponsorship: Unfortunately, we are unable to offer sponsorship for this role.
Hours: 37.5 hours per week
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