Offer summary

Qualifications:

3-5 years of experience in Malware Analysis, Good understanding of Internet standards like HTTP, SMTP, and DNS, Familiarity with x86 architecture and Windows OS fundamentals, Scripting experience in languages such as Shell, Perl, or Python..

Key responsabilities:

Analyze new malware and spam samples to develop protection solutions

Create detection signatures for malicious Windows executables

Monitor and respond to email spam outbreaks using anti-spam technology

Triage cyber-threat requests from customers and manage false positive reports.

Job description

About Us

Sophos is a global leader and innovator of advanced security solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AI-optimized services, technologies and products. Sophos is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industry-leading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, market-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-gen SIEM capabilities, managed risk, and a comprehensive set of advisory services. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other every day and state-sponsored cybercrimes. The solutions are powered by historical and real-time threat intelligence from Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Role Summary

As a Sophos Labs Threat Response Engineer you will be responsible for providing protection against malware, email spam and other cyber-threats.

What you will do

You will be analyzing new malware and spam samples, developing protection against them and handling other protection issues reported by our customers in a timely manner and with quality.

Analyze files reported by our customers to determine their type and risk level

Create first-line detection signatures for new malicious Windows executable

Monitor email spam protection levels and respond to spam outbreaks in a timely manner using appropriate anti-spam detection technology available

Triage and manage cyber-threat related requests coming from our customers by collecting all the necessary information, responding to standard requests and escalating complex issues to problem domain experts for resolution.

Handle false positive reports from customers triggered in anti-spam, URL filtering or anti-malware filtering layers

Use Sophos data publishing systems to build, test and release protection updates for customer use

Write descriptions for threats for publication on the Sophos website to raise customer awareness

What you will bring

3-5 years of overall experience in Malware Analysis

Good understanding of common Internet standards (HTTP, SMTP, DNS, Whois, HTML, RFC822, SSH)

Understanding of x86 architecture and familiarity with x86 Assembly

Understanding of Windows OS fundamentals

Basic understanding of computer and IT security

Practical understanding of PE file format structures

Desired skills and experiences

Reverse engineering with IDA or other tools

Malware and/or spam analysis skills

Scripting experience (Shell, Perl, Python, JavaScript)

Linux user experience

SQL experience

#LI-Remote

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Ready to Join Us?

At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply.

What's Great About Sophos?

· Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. Please refer to the location details in our job postings for further information.

· Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit

· Employee-led diversity and inclusion networks that build community and provide education and advocacy

· Annual charity and fundraising initiatives and volunteer days for employees to support local communities

· Global employee sustainability initiatives to reduce our environmental footprint

· Global fitness and trivia competitions to keep our bodies and minds sharp

· Global wellbeing days for employees to relax and recharge

· Monthly wellbeing webinars and training to support employee health and wellbeing

Our Commitment To You

We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.

Data Protection

If you choose to explore an 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 Privacy Policy 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 follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos

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