356 Best security part time Jobs in , London (May 2026)

Senior CIRT / Threat Intel Analyst

14 days ago

London

About the Role: Grade Level (for internal use): 11 Cyber Incident Response Analyst The Role As a Cyber Incident Response Analyst, you will be part of the Cyber Defence team that develops and oversees the company's security program, ensuring S&P Global is protected from existing and emerging threats. In close partnership with Security Operations and Threat Intelligence, you will detect, analyze, and decisively respond to security incidents, enrich investigations with timely intelligence, and help drive proactive defences. While based in the UK, you will support response and intelligence needs globally. Candidates should have a genuine interest in cyber security and a strong grasp of attacker tactics, techniques, and procedures (TTPs). This role requires a detail-oriented, critical thinker who understands how adversaries exploit systems, networks, and people-and how to respond. Experience applying threat intelligence to investigations and to improve detections is highly desirable. Primary Responsibilities • Coordinate and triage response to cybersecurity events and conduct forensic analysis across endpoints, networks, cloud, and SaaS., • Integrate threat intelligence into investigations (e.g., enrich IOCs, map activity to MITRE ATT&CK, identify likely threat actors/TTPs, and assess potential impact)., • Understand the threat landscape through collaboration with industry peers, FS-ISAC, trust groups, and commercial/open-source intelligence, translating insights into actionable recommendations., • Develop, maintain, and operationalize Incident Response playbooks and SOPs; include PIRs (Priority Intelligence Requirements), collection plans, and feedback loops to refine detections., • Work closely with the SOC to investigate incidents and deliver containment, remediation, and root cause analysis; produce high-quality intel-informed incident reports., • Create and tune detections (e.g., SIEM/SOAR, EDR) using intelligence signals (TTPs, behaviors, YARA/Sigma where applicable)., • Produce and present consumable intelligence outputs (e.g., flash alerts, threat overviews, executive briefs) tailored to technical and non-technical stakeholders., • Contribute to vulnerability/threat surfacing (e.g., emerging CVEs, exploit trends) and advise on risk-based prioritization., • Deliver actionable incident and hunting metrics to management; assess detection coverage and recommend improvements., • Follow the end-to-end incident response lifecycle and support post-incident lessons learned with intelligence-driven enhancements., • Build an understanding of key S&P technology, systems, and business practices to contextualize threats and drive pragmatic defenses., • Participate in information-sharing activities (e.g., FS-ISAC submissions) in line with TLP and legal/compliance requirements.Required Qualifications, • Working knowledge of common cyber attacks, tools, and attacker tradecraft; ability to map activity to MITRE ATT&CK and articulate likely TTPs., • Demonstrated experience handling security events in critical environments and applying intelligence to accelerate triage and response., • Experience analyzing system, application, and cloud/SaaS logs to investigate security and operational issues; comfort enriching with IOCs and behaviours., • Hands-on experience with a SIEM (Splunk preferred) for investigations, alert creation, reporting, and threat hunting., • Ability to produce clear, actionable intel and incident reports, including executive-ready summaries and visuals., • Familiarity with threat intel workflows: collection planning, source evaluation, indicator lifecycle, PIRs, TLP, and feedback loops to detections., • Experience with one or more TIPs or intel data sources (e.g., MISP, OpenCTI, Recorded Future) and STIX/TAXII concepts., • 3+ years of information security experience with a focus on incident response, threat hunting, or threat intelligence., • Excellent communication skills for varied business and technical audiences; strong presentation skills., • Comfortable working in a fast-paced environment; passion for cyber security., • Advanced knowledge of network protocols (TCP/IP, HTTP) and operating systems.Preferred Qualifications, • Experience in the financial services industry., • Familiarity with threat hunting techniques (hypothesis-driven, ATT&CK-aligned, behavior-based)., • Windows and Linux administration tools and concepts., • Understanding of threat actors and the cybercrime ecosystem, including initial access vectors, monetization paths, and supply-chain/SaaS attack patterns., • Exposure to malware/TTP analysis at a functional level (family identification, persistence/discovery behaviors) and creation of detections (e.g., Sigma/YARA) is a plus., • Experience producing finished intelligence products (tactical through executive) and briefing senior stakeholders., • Relevant certifications (e.g., GCTI, GCFA/GCFR, GCIH, FOR578) or equivalent experience., • Familiarity with information-sharing standards and practices (FS-ISAC, TLP) and legal/compliance considerations., • Knowledge of cloud provider threat models and telemetry (AWS, Azure, GCP, M365/SaaS)., • Second language and/or geopolitical awareness for actor context is a plus.Compensation & Benefits This role is eligible to receive additional S&P Global benefits. For more information on the benefits we provide to our employees, visit . About S&P Global At S&P Global, we don't give you intelligence-we give you essential intelligence. The essential intelligence you need to make decisions with conviction. We're the world's foremost provider of credit ratings, benchmarks and analytics in the global capital and commodity markets. Our divisions include S&P Global Ratings, S&P Global Market Intelligence, S&P Dow Jones Indices and S&P Global Platts. For more information, visit . S&P Global has a Securities Disclosure and Trading Policy (the Policy) that seeks to mitigate conflicts of interest by monitoring and placing restrictions on personal securities holding and trading. The Policy is designed to promote compliance with global regulations. In some Divisions, pursuant to the Policy's requirements, candidates at S&P Global may be asked to disclose securities holdings. Some roles may include a trading prohibition and remediation of positions when there is an effective or potential conflict of interest. Employment at S&P Global is contingent upon compliance with the Policy. S&P Global is an equal opportunity employer and all qualified candidates will receive consideration for employment without regard to race/ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status, or any other status protected by law. Only electronic job submissions will be considered for employment. If you need an accommodation during the application process due to a disability, please send an email to: and your request will be forwarded to the appropriate person. The EEO is the Law Poster describes discrimination protections under federal law. What's In It For You? Our Mission: Advancing Essential Intelligence. Our People: We're more than 35,000 strong worldwide-so we're able to understand nuances while having a broad perspective. Our team is driven by curiosity and a shared belief that Essential Intelligence can help build a more prosperous future for us all.From finding new ways to measure sustainability to analyzing energy transition across the supply chain to building workflow solutions that make it easy to tap into insight and apply it. We are changing the way people see things and empowering them to make an impact on the world we live in. We're committed to a more equitable future and to helping our customers find new, sustainable ways of doing business. Join us and help create the critical insights that truly make a difference. Our Values: Integrity, Discovery, Partnership Throughout our history, the world's leading organizations have relied on us for the Essential Intelligence they need to make confident decisions about the road ahead. We start with a foundation of integrity in all we do, bring a spirit of discovery to our work, and collaborate in close partnership with each other and our customers to achieve shared goals. Benefits: We take care of you, so you can take care of business. We care about our people. That's why we provide everything you-and your career-need to thrive at S&P Global. Our benefits include: • Health & Wellness: Health care coverage designed for the mind and body., • Flexible Downtime: Generous time off helps keep you energized for your time on., • Continuous Learning: Access a wealth of resources to grow your career and learn valuable new skills., • Invest in Your Future: Secure your financial future through competitive pay, retirement planning, a continuing education program with a company-matched student loan contribution, and financial wellness programs., • Family Friendly Perks: It's not just about you. S&P Global has perks for your partners and little ones, too, with some best-in class benefits for families. Global Hiring and Opportunity at S&P Global: At S&P Global, we are committed to fostering a connected and engaged workplace where all individuals have access to opportunities based on their skills, experience, and contributions. Our hiring practices emphasize fairness, transparency, and merit, ensuring that we attract and retain top talent. By valuing different perspectives and promoting a culture of respect and collaboration, we drive innovation and power global markets. Recruitment Fraud Alert: If you receive an email from a spglobalind.com domain or any other regionally based domains, it is a scam and should be reported to reportfraud@spglobal.com . S&P Global never requires any candidate to pay money for job applications, interviews, offer letters, pre-employment training or for equipment/delivery of equipment. Stay informed and protect yourself from recruitment fraud by reviewing our guidelines, fraudulent domains, and how to report suspicious activity here . Equal Opportunity Employer S&P Global is an equal opportunity employer and all qualified candidates will receive consideration for employment without regard to race/ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status, or any other status protected by law. Only electronic job submissions will be considered for employment. If you need an accommodation during the application process due to a disability, please send an email to:" "and your request will be forwarded to the appropriate person." US Candidates Only: Know Your Rights: Workplace discrimination is illegal 20 - Professional (EEO-2 Job Categories-United States of America), IFTECH202.2 - Middle Professional Tier II (EEO Job Group)

Security part time jobs in , LondonCreate job alerts

Popular jobs searches in , London

Jobs by neighbourhood

Popular security part time jobs locations