Careers

Role Title:

Software Security Architect

Location:

CBNG Histon Office, Cambridge

Department:

Software Team

Reporting To:

Head of Software

Summary:

We are a Leaders in millimetre wave fixed wireless point to multipoint access & backhaul. Our cutting-edge solutions drive innovation in the telecoms industry, and we are committed to delivering secure, high-performance products that meet the evolving demands of our customers and the industry.

This is an exciting time for CBNG as they embark on the development of their Next Generation of Fixed Wireless Access products based on 5G air interface standard in the mmWave frequency bands. The VectaStar NR FWA products will provide “last mile” wireless internet access to rural and semi-urban locations across the world. Providing wireless internet access coverage up to 7km using a high-power AP (Access Point) and a range of RTs (Remote Terminals), integrated with a Network Management System (NMS), the CBNG VectaStar NR provides gigabit throughput speeds enabling our private and enterprise network operator clients to provide a range of internet access services to their end customers. Our focus is on providing a complete turnkey solution supporting ease of install and ease of use, enabling our customers to generate revenue streams as quickly as possible whilst providing secure high speed internet access over our 5G NR Stand Alone wireless networking equipment.

Job Description:

We are seeking a highly skilled and experienced Security Architect to join our team. In this role, you will ensure that security is integrated into every stage of the development lifecycle, ensuring our products meet the highest security standards and customer expectations. The role is hands on working directly with the leaders in the engineering team developing a comprehensive security strategy for our products, and working with them to implement the necessary processes, procedures and KPIs to embedded product security into the heart of our culture. The role is varied, from defining coding standards to best practices for design and development, from identifying innovative solutions for testing and validation of our products, to training advising and mentoring engineers in security practices, along with keeping up to date with the threats and threat mitigation practices. Reporting to the Head of Software, the Security Architect will drive the security strategy for the Cygnus product portfolio ensuring our products are best in class for product security giving piece of mind to our customers and their clients that their networks and their data are safe.

Key Responsibilities:

• Lead the development and implementation of security architecture across all product lines, with a focus on embedded Linux systems, open-source components and cloud applications.
• Collaborate with development teams to design secure systems, identifying risks, threats, and vulnerabilities early in the development lifecycle.
• Define and implement security policies, standards, and best practices for wireless telecoms products.
• Work closely with customers and stakeholders to understand and implement specific security requirements, ensuring compliance with industry regulations and standards.
• Conduct security reviews and assessments, including threat modeling, risk analysis, and vulnerability assessments of hardware and software components.
• Provide guidance and oversight during development, testing, and deployment, ensuring all products meet internal and external security requirements.
• Stay up-to-date with emerging security technologies, trends, and threats to continuously improve the security of our products.
• Train and mentor engineering teams on secure coding practices and secure development methodologies.
• Lead incident response planning and execution, including security breaches and vulnerability disclosures.
• Collaborate with legal and compliance teams to ensure adherence to applicable security laws and regulations.
• Manage relationships with external security auditors and oversee penetration testing, and other third-party security assessments.

Expertise and experience:

• Broad understanding of security concepts in an embedded system context.
• Strong knowledge of secure coding principles and the ability to educate and guide development teams. 
• Proven experience as a Security specialist, preferably in wireless telecoms or embedded systems.
• Strong experience with embedded Linux and open-source software security.
• An understanding of security best practices and frameworks such as NIST, ISO/IEC 27001, and OWASP.
• Experience with secure software development practices
• Experience conducting security assessments, penetration testing, and threat modelling.
• Understanding of regulatory compliance requirements related to security.
• A solid understanding of languages such as C, C++, Java and Python.
• Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams and external stakeholders

Desirable Experience:

• Experience of working at an architectural level.
• Familiarity with telecoms security standards (e.g., 3GPP). 
• Experience in securing wireless communication products.
• Expertise in cryptography, network security, and . 
• Familiarity with IoT security challenges and standards.
• Hands-on experience with security tools like firewalls, IDS/IPS, vulnerability scanners, and encryption technologies.

Other Features of Job (e.g. travelling, shift hours etc):

·         In Histon Office at least 1 day a week

·         Occasional international travel

CBNG Benefits:

·         Discretionary bonus

·         Contributory Pension

·         Life Insurance

·         Income Protection

·         30 days annual leave

Please send your CV to: hr@cbng.co.uk

Role Title:

Platform Engineer

Location:

Cambridge / Hybrid

Department:

R & D

Reporting To:

Lead Embedded Engineer

Summary:

CBNG are in an exciting time of growth with an all new next generation Fixed Wireless Access product.

Whilst we are an established business we are currently in a ‘start up’ phase of development with fast moving projects and constantly shifting customer requirements.

Job Description:

We are looking for a highly skilled Platform Engineer to join our dynamic team. The ideal candidate will have extensive experience working with NXP-based platforms.

·         Develop and maintain Board Support Packages (BSP) for NXP-based platforms.

·         Build, customize, and maintain Linux kernels, including module development and

·         integration.

·         Debug and troubleshoot networking-related system issues using profiling tools.

·         Optimize Linux system performance, memory management, and I/O operations.

·         Debug and troubleshoot system-level issues using profiling and tracing tools.

·         Work with open-source communities and contribute to upstream Linux projects.

·         Design and implement security and reliability improvements for Linux platforms.

·         Automate system configuration, deployment, and monitoring processes.

·         Collaborate with cross-functional teams to integrate Linux-based solutions into hardware

·         platforms.

·         Write and maintain technical documentation, including architecture designs and API

·         specifications.

·         Work with Vector Packet Processing (VPP) to improve network performance.

·         Implement and manage firmware and software upgrades to ensure functionality.

·         Collaborate with hardware and third-party software suppliers to ensure proper integration

·         and functionality of software with hardware components.

·         Troubleshoot and resolve issues related to BSP, kernel, and other low-level software

·         components.

Expertise and experience:

·         Bachelor's or Master's degree in Computer Science, Electronics Engineering, or related

·         field.

·         Strong proficiency in C/C++, Bash, and Python.

·         Deep understanding of Linux networking stack (TCP/IP, UDP, SCTP, Netfilter, iptables,

·         nftables).

·         Experience in the Yocto Project and Poky to create and customize Linux distributions for embedded systems. Experience with DPDK, XDP, eBPF, or similar packet processing frameworks.

·         Knowledge of networking protocols (IPv6, DNS, DHCP, NAT) and familiarity with network security concepts.

·         Experience with performance tuning, packet tracing (tcpdump, Wireshark, perf, strace).

·         Ability to debug and optimize low-latency, high-throughput networking applications.

·         Experience with 3GPP 4G,5G protocols · Experience with containers (Docker, Kubernetes) .

CBNG Benefits:

·         Discretionary bonus

·         Contributory Pension

·         Life Insurance

·         Income Protection

·         30 days annual leave

Please send your CV to: hr@cbng.co.uk