Vulnerability & Threat Analyst (Cheltenham, UK)
VulnCheck · Cheltenham, UK
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Vulnerability & Threat Intelligence Analyst
Location: Cheltenham, UK
Team: Research
Employment Type: Full-Time, Remote
About VulnCheck
VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence. Our platform delivers early, high-quality exploit intelligence, deep asset correlation, and contextual insights to help organizations stay ahead of emerging threats.
About the Role
Are you a security researcher who enjoys analyzing large volumes of threat intelligence data to identify and validate exploited vulnerabilities, active exploits, threat actors, malicious infrastructure, and indicators of compromise (IOCs)?
We are expanding our Threat Intelligence team and are looking for a detail-oriented analyst to join VulnCheck.
What You’ll Do
Analyze diverse threat intelligence sources to identify and confirm:
Exploited vulnerabilities (KEVs)
Exploits and proof-of-concepts (PoCs)
Threat actors, Botnets and Ransomware campaigns
Malicious hosts, domains and infrastructure
Indicators of compromise (IOCs)
Validate the accuracy and credibility of sources and findings
Assess evidence of real-world exploitation
Maintain structured, high-quality intelligence outputs
What You’ll Bring
Ability to evaluate exploit PoCs; familiarity with scripting languages
Experience with OSINT tools and resources
Understanding of IOCs and how to identify them
Ability to assess the credibility and validity of intelligence sources
Strong understanding of CVEs, including:
CVE assignment and validation
Familiarity with CPE and scoring methodologies
Experience working with structured data formats (e.g., JSON)
High attention to detail and analytical rigor
Familiarity with end-of-life (EOL) software data
Experience with developer/security tooling (e.g., VS Code and extensions)
Familiarity with package ecosystems (NPM, NuGet, PyPI)
Preferred Qualifications
Python scripting skills preferred
Experience with prompt engineering is a plus
IMPORTANT NOTE: This position may involve access to technology subject to U.S. export control regulations. Employment is contingent upon the company's ability to authorize access under applicable export control, sanctions, and any other applicable legal or contractual requirements. The company does not guarantee and is under no obligation to seek such authorization if it would be necessary.
What We Offer
We believe people do their best work when they feel supported, trusted, and valued. VulnCheck offers benefits designed to meet a wide range of needs and lifestyles:
Benefits and Perks
Unlimited PTO
401k plan with company match
Comprehensive healthcare coverage
Generous paid parental leave
Remote friendly environment with flexibility
Expense reimbursement for Cell Phone & Internet
Ongoing professional development, coaching, and learning resources
Opportunities for career advancement within a fast-growing team
Why Join Us
Built on over two decades of cybersecurity experience, our team of experts understands the intricacies of vulnerabilities, their exploitation in the wild, and how to leverage this data to build more effective cybersecurity products that produce better outcomes for organizations.
VulnCheck gives organizations a tactical advantage by providing best-in-class exploit & vulnerability intelligence information. We have a sense of duty to protect the critical infrastructure we rely on including medical devices, power grids and telecommunication networks. We were founded in 2021 in Lexington, Massachusetts.
VulnCheck has a transparent, collaborative, and supportive culture - we are looking for people who have a growth mindset, are curious and innovative. Our team is smart, but humble, hardworking, and supportive.
VulnCheck is proud to be an Equal Employer Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. VulnCheck is committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. *Even if your experience doesn’t perfectly align with the job description, we encourage you to apply—we value potential just as much as a perfect resume.
Posted 2026-07-20