Principal Software Engineer

Posted:
7/24/2025, 10:46:29 PM

Location(s):
England, United Kingdom

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
Software Engineering

Workplace Type:
Hybrid

Principal Software Engineer

Description -

We are looking for an experienced Software Developer to join the HP Advanced Projects R&D team in Cambridge, UK. We work on the endpoint software security products based on a hardware assisted virtualization. One of the hypervisors we have developed ourselves, uXen, is used in a product that runs on millions of customer devices. You can see one of the snapshots of its source code on GitHub: https://github.com/uxen-virt/uxen .

You will be joining one of our product development teams. You will be responsible for designing and developing new features as well as providing support and maintenance for existing code and components.

We offer competitive salaries, a comprehensive benefit package and career development opportunities. You will work flexible hours – either from our brand-new Cambridge office or on a home/office hybrid basis if preferred. We would also welcome applications from candidates wishing to work on a fully remote basis in the UK and who can visit Cambridge as/when required. 

Job Responsibilities: 

  • Designing and developing new features and main maintaining existing components.
  • Improving security, reliability, and performance of the product.
  • Writing unit tests and automated tests.
  • Responding quickly to security vulnerability reports for open-source components in the product, and integrating security fixes.
  • Working in a fast-paced environment that iterates and evolves rapidly.

Job Requirements: 

  • Expert programming experience in C/C++.
  • Experience with Windows and Linux user mode development.
  • Understanding of components in the OSI networking model with emphasis on TCP/IP protocols.
  • Experience of debugging complex systems problems.
  • Understanding of PKI concepts and other uses of cryptography.
  • Bachelor’s degree in computer science or related technical field or equivalent.

The following skills and attributes are a plus: 

  • Experience with web browser development
  • Experience with Windows and/or Linux kernel development
  • Experience with black box debugging.
  • Experience with x86-64 architecture.
  • Experience with aa64 architecture.
  • Familiarity with Trusted Platform Modules (TPM).

Job -

Software

Schedule -

Full time

Shift -

No shift premium (United Kingdom)

Travel -

Relocation -

Equal Opportunity Employer (EEO)

HP, Inc. provides equal employment opportunity to all employees and prospective employees, without regard to race, color, religion, sex, national origin, ancestry, citizenship, sexual orientation, age, disability, or status as a protected veteran, marital status, familial status, physical or mental disability, medical condition, pregnancy, genetic predisposition or carrier status, uniformed service status, political affiliation or any other characteristic protected by applicable national, federal, state, and local law(s).

Please be assured that you will not be subject to any adverse treatment if you choose to disclose the information requested. This information is provided voluntarily. The information obtained will be kept in strict confidence.

If you’d like more information about HP’s EEO Policy or your EEO rights as an applicant under the law, please click here: Equal Employment Opportunity is the Law Equal Employment Opportunity is the Law – Supplement

Hewlett Packard (HP)

Website: http://www.hp.com/

Headquarter Location: Palo Alto, California, United States

Employee Count: 10001+

Year Founded: 1939

IPO Status: Public

Last Funding Type: Post-IPO Equity

Industries: Computer ⋅ Consumer Electronics ⋅ Hardware ⋅ IT Infrastructure ⋅ Software