Senior Software Developer (C/Python)

Entrust; Cambridge; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Entrust is seeking a Senior Software Developer to work on Linux system tools with Python and C in an embedded/HSM context, based in Cambridge with hybrid work.

You will design and implement features across multi-component projects, focusing on security, Linux kernel interaction, containers, and secure upgrade processes.

Qualifications

• Degree or equivalent in Software Engineering, Computer Science, Maths or relevant discipline.
• Scripting in Python in an embedded context (DevOps or C programming experience will be useful). Managing process and container privileges and security.
• Understanding of Linux Security rules and Network Stacks. Familiar with Linux Kernel.
• Familiar with complex, multi-component projects, using multiple development languages.
• Ability to solve complex technical problems with demanding requirements, in innovative, practical ways.

Responsibilities

• Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries.
• Develop features from inception to delivery.
• Software design & coding, testing, and review.

Skills

Python

C

Linux

Embedded

DevOps

Security

Linux Kernel

Containers

Windows

Secure Boot

Cryptography

Open Source

Agile/SAFe

Hardware Protocols

Job description

Job title: Senior Software Developer (C/Python Systems)

Location: Cambridge (Hybrid, 3 days onsite)

Job type: Permanent, full-time

About the Position:

You will join a team working on Linux system tools requiring Python development experience for scripting along with C coding experience.

We’re using locked-down SELinux embedded in our Hardware Security Modules (HSMs), tackling the network stacks, security rules, container interplay, & other challenges. We’re also working on the tools to interact with and control HSMs, and their secure (signed) upgrade process.

The SELinux applications involve many large interacting processes and containers. As to scale, the HSM hardware provides a multi-core fast processor, 8GB RAM, and multiple SSD partitions.

Responsibilities:

• Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries.
• Develop features from inception to delivery.
• Software design & coding, testing, and review.

Required Qualifications:

• Degree or equivalent, in Software Engineering, Computer Science, Maths or relevant discipline.
• Scripting in Python, in an embedded context (DevOps or C programming experience will be useful). Managing process and container privileges and security.
• Understanding of Linux Security rules and Network Stacks. Familiar with Linux Kernel.
• Familiar with complex, multi-component projects, using multiple development languages.
• Ability to solve complex technical problems with demanding requirements, in innovative, practical ways.

Bonus Qualifications:

• Knowledge of Windows development.
• Knowledge of secure-boot technologies and digital signatures.
• Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
• Open-source software development - as licensee, or as contributor.
• A broad interest in cryptography and/or computer security techniques.
• Agile and/or Scaled Agile Framework (SAFe).