Software Engineer - Linux & Networking, Openwrt

Software Engineer - Linux & Networking, OpenWRT
£45,000 - £70,000 DOE + Benefits
Fully Remote (UK)

This is an exciting opportunity to join an entrepreneurial technology business with ambitious growth plans and a highly experienced leadership team.

Our client is creating innovative technology that enables organisations to operate more effectively, securely, and intelligently in increasingly complex environments. Their products combine advanced software, networking, and infrastructure capabilities to solve real-world challenges.

With a talented engineering team and a bright future ahead, this is an excellent opportunity to make a genuine impact.

We're looking for a Software Engineer with strong Linux, OpenWRT, and networking expertise. You'll work across embedded devices, networking platforms, and cloud-connected systems, building secure, reliable, and scalable solutions. This role is ideal for somebody who enjoys working close to the operating system, network stack, and hardware layer.

• Strong Linux administration and troubleshooting skills
• Commercial experience with OpenWRT including configuration, customisation, deployment, or development
• Commercial Go development experience
• Shell scripting experience
• Embedded Linux experience including OpenWRT, Yocto, Buildroot, or ARM-based platforms
• C programming experience
• LTE and 5G networking knowledge
• Experience with modem connectivity and communications
• Strong networking expertise including routing, VPNs, NAT, DNS, DHCP, and MTU optimisation
• Experience developing Linux services and daemon-based applications

• X.509 certificates, PKI, and mTLS
• Secure device-to-cloud communications
• Firmware and software update processes
• Serial communications
• GPIO, UART, SPI, and I2C interfaces
• Linux networking internals
• Diagnostics and troubleshooting across distributed environments

• OpenWRT package development or firmware customisation
• Wi‑Fi technologies and wireless networking
• Cellular modem frameworks
• Linux kernel debugging
• Rust exposure
• Debian packaging
• ARM hardware platforms
• TPM or HSM technologies
• JTAG and hardware debugging

• Must be eligible and willing to undergo security clearance
• Sponsorship is not available

• Developing software for Linux and OpenWRT networking platforms
• Enhancing embedded and cloud-connected systems
• Building networking and connectivity solutions
• Supporting secure communications technologies
• Troubleshooting software, networking, and hardware issues
• Developing automation and system tooling
• Collaborating with engineering and product teams
• Supporting product performance, reliability, and scalability

• £45,000 - £70,000 DOE + Benefits
• Fully remote UK-based role
• Flexible working arrangements
• Innovative technology projects
• Experienced and collaborative engineering team

Adecco is acting as an Employment Agency.

We are proud to be an Equal Opportunities Employer and are committed to creating an inclusive recruitment process for all applicants.

We are on the client's supplier list for this role.

OpenWRT
* Linux
* Embedded Linux
* Go
* Golang
* C
* Shell Scripting
* Yocto
* Buildroot
* ARM
* Networking
* Routing
* VPN
* DNS
* DHCP
* NAT
* LTE
* 5G
* Cellular
* Modems
* X.509
* PKI
* mTLS
* Firmware
* GPIO
* UART
* SPI
* I2C
* Linux Kernel
* Wi‑Fi
* Rust
* Debian
* TPM
* HSM
* JTAG
* Software Engineer
* Linux Engineer
* OpenWRT Engineer
* Network Engineer
* Remote Engineer