Threat Researcher (Spam analysis)_Sophos Labs
extra holidays - fully flexible
Offer summary
Qualifications:
Bachelor's degree in Computer Science or related field., 3-5 years of experience in spam and email campaign analysis., Good understanding of internet standards like HTTP, SMTP, DNS, HTML., Knowledge of Windows OS fundamentals and scripting languages such as Python or Shell..Key responsibilities:
- Analyze malware and spam samples to develop protection measures.
- Monitor and respond to email spam outbreaks using anti-spam technologies.
- Triaging and managing customer cyber-threat requests, escalating complex issues.
- Creating detection signatures and publishing threat descriptions to raise awareness.
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 AIoptimized services, technologies and products. Sophos is now the largest pureplay Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industryleading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, marketleading Taegis XDRMDR, identity threat detection and response (ITDR), nextgen 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 statesponsored cybercrimes. The solutions are powered by historical and realtime threat intelligence from Sophos XOps 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 cyberthreats.
What you will doYou 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 firstline detection signatures for new malicious Windows executable Monitor email spam protection levels and respond to spam outbreaks in a timely manner using appropriate antispam detection technology available Triage and manage cyberthreat 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 antispam, URL filtering or antimalware 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. Weekend shift work will be required Nighttime shift work will be required
What you will bring35 years of overall experience in hunting and analysing spamemail campaigns Good understanding of common Internet standards (HTTP, SMTP, DNS, Whois, HTML, RFC822, SSH) Understanding of Windows OS fundamentals In depth understanding of Regular expressions Basic understanding of computer and IT security Practical understanding of PE file format structures is good to have Reverse engineering with IDA or other tools is good to have Scripting experience (Shell, Perl, Python, JavaScript) Linux user experience B.Sc. in Computer Science or equivalent Special conditions Weekend shift work will be required Nighttime shift work will be required
What you will do
What you will bring
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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 dont 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. Dont let a checklist hold you back – we encourage you to apply.
Whats Great About Sophos?
· Sophos operates a remotefirst working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.
· Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit
· Employeeled 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
Required profile
Experience
Level of experience: Mid-level (2-5 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory. Other Skills
- Communication
- Problem Solving