Senior PHY Software Engineer

Parallel Wireless is reimagining mobile networks with innovative, energy-efficient Open RAN solutions. Join us as we lead the future of telecommunications, driving innovation through green and sustainable networks Learn more about our mission, vision and values.

We are seeking a highly skilled and motivated Senior PHY Software Engineer to join our team based in central Bristol, UK. The role will involve active participation in the design, development and validation of all G Physical Layer Radio Access Network technologies.

• Take an active role in the full development life cycle of PHY features, from initial design through to integration in an end-to-end system
• Implement product features in C++, using all your skills to produce highly efficient solutions
• Drive the system integration of new features, working with teams in UK, Israel, and India
• Work within a well‑equipped laboratory with state‑of‑the‑art test tools – RF equipment, UE emulators, commercial UEs

• Strong C and/or C++ programming expertise, with emphasis on real‑time, multi‑threaded software
• Experience of PHY Layer or Layer 1 for wireless communication systems (4G LTE, 5G , Wi‑Fi, or OFDM‑based technologies)
• Hands‑on experience in Linux environments, including multi‑core, low‑latency, and embedded systems

• Experience with SIMD programming and vectorization for performance optimisation is a strong advantage

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Communications Engineering, or related discipline

Parallel Wireless is expanding the ecosystem for Open RAN with the Green

RAN™ energy‑efficient Hardware‑Agnostic technology. Deployed worldwide, our comprehensive 2G/3G/4G/5G Macro RAN solutions enhance network security while reducing operating expenses. As pioneers of Open RAN, we prioritise innovation, flexibility, and sustainability to help build a more connected, and green networks. Headquartered in the USA with global R&D centres, we are proud to serve over 60 customers worldwide and have been recognised with over 100 industry awards.

Our mission is to accelerate GSMA’s Mobile Net Zero initiative by reducing TCO and driving innovation across the telecom ecosystem. Learn more at

Parallel Wireless embraces diversity and equality of opportunity. We are committed to building inclusive and diverse teams representing all backgrounds, with a wide range of perspectives, and empowering industry‑leading skills. We welcome and consider applications to join our team from all qualified candidates, regardless of their characteristics. We comply with all applicable laws and regulations on non‑discrimination in employment (and recruitment), as well as work authorisation and employment eligibility verification requirements.

Parallel Wireless does not accept unsolicited resumes or applications from agencies or individuals. Please do not forward resumes to our jobs alias, Parallel Wireless employees, or any other company location. Parallel Wireless is not responsible for any fees related to unsolicited resumes/applications.