Senior Software Engineer - Windows

Abingdon, GB, OX14 3YP


Sophos Overview – Cybersecurity Evolved

As a worldwide leader in next-generation cybersecurity, Sophos protects nearly 400,000 organizations of all sizes in more than 150 countries from today’s most advanced cyberthreats. Powered by SophosLabs – a global threat intelligence and data science team – Sophos’ cloud-native and AI-enhanced solutions secure endpoints (laptops, servers and mobile devices) and networks against evolving cybercriminal tactics and techniques, including automated and active-adversary breaches, ransomware, malware, exploits, data exfiltration, phishing, and more. The award-winning Sophos Central cloud-based platform integrates Sophos’ entire portfolio of best-of-breed products, from the Intercept X endpoint solution to the XG Firewall, into a single system called Synchronized Security. Sophos products are exclusively available through a global channel of more than 47,000 partners and Managed Service Providers (MSPs). Sophos also makes its innovative commercial technologies available to consumers via Sophos Home. The company is headquartered in Oxford, U.K., and is publicly traded on the London Stock Exchange under the symbol “SOPH.”

The Company

Sophos is focused on delivering the best IT security and data protection for businesses and consumers. Today Sophos products protect over 100,000 businesses and 100 million users, in more than 150 countries.

The key to the Sophos success story is its people. Sophos is built on a foundation of world class talent, who have developed long standing careers with the company. Sophos believes its employees are the company’s best asset, and is therefore continuously seeking to acquire high calibre talent which will contribute towards the continual growth, innovation and success of the Sophos global brand.

Job Purpose

We are looking for a senior software engineer to join our consumer security product team, building the latest and greatest security products to provide consumers with advanced, easy to use protection.

This role provides the opportunity to work in an open and collaborative Agile environment as part of the Sophos Home team, developing our Cloud managed Windows Endpoint. You will have the opportunity to work on cutting edge projects including Next Generation Security, Analytics, and Remediation functionality.

Main Duties

  • Write product code along with test automation to deliver against project timescales, quality and requirements
  • Actively contribute to release planning, and drive for high-value and high-quality solutions which meet business needs
  • Participate in the design of products in line with asset technical strategy, quality and functionality requirements
  • Effectively contribute during pair programming to deliver tasks as required by the agile team
  • Contribute to daily stand-ups, kick-offs, collaborative estimation and retrospective meetings;
  • Participate in security reviews to ensure that released products comply with Sophos’ security requirements and industry best practice;
  • Other duties and responsibilities as directed.

Skills and Experience

To succeed in this role, you’ll be passionate about software development and keen to use your programming skills to help the team be successful. You’ll feel at home within an Agile team with its open communications, collaboration, commitment to quality and focus on getting things done.


  • Experience of developing code in C++;
  • Working knowledge of Python or other scripting language;
  • Experience of developing for Microsoft Windows platforms;
  • Ability to learn new skills quickly and apply them to the role;
  • Analytical with an eye for detail with a continuous improvement ethos;
  • Able to work autonomously and deliver in line with project roadmaps whilst working collaboratively within the wider team environment;
  • Interpersonal communication style and enjoys working with others;
  • BSc in Computing or other numerate discipline, or equivalent experience;


  • Experience of working with Windows Kernel and driver development;
  • Designing software systems and components;
  • Experience of Security reviews, Secure coding and meeting Security requirements;
  • Mentoring and Coaching others
  • Experience of continuous integration, build and test;


Equal Opportunities

Sophos is committed to equality opportunity in all areas of its work. All qualified applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation.

If you choose to explore this opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our data protection policy which can be found here and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos.  If you would like Sophos to delete or update your details at any time, please reply to this or other emails from Sophos clearly stating your request, or follow the steps set out in the data protection policy describing your individual rights.  If you have any questions about Sophos’ data protection practices please contact

At Sophos, we want every organization to be protected by innovative, next-generation IT security, even those who don't have a huge IT staff. We protect organizations of all sizes, all around the world by making enterprise-grade security that is simple to deploy, manage, and use. It is our passion, and something we are truly proud of.

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