Cyber Security Analyst – CSOC Analysis (Contract)LocationLondonBusiness AreaLegal, Compliance, and RiskRef #10050105Description &

Requirements The energy of a newsroom, the pace of a trading floor, the buzz of a recent tech breakthrough; we work hard, and we work fast—while keeping up the quality and accuracy we're known for. It's what keeps us inventing and reinventing, all the time. Our culture is wide open, just like our spaces. We bring out the best in each other through collaboration. Through our countless volunteer projects, we also help network with the communities around us, too. You can do amazing work here. Work you couldn't do anywhere else. It's up to you to make it happen.About the Role We are hiring a Cyber Security Analyst – Analysis to support a global, 24x7 Cyber Security Operations Center (CSOC). This role focuses on front‐line security event analysis and decision‐making , acting as the initial responder to alerts while independently resolving security events using established playbooks and sound professional judgment.This position is well‐suited for analysts who enjoy hands‐on investigation, can confidently move beyond basic alert review, and know when and how to escalate issues with clear context. The role does not require full incident response ownership but plays a critical role in determining what requires deeper investigation and escalation.What You Will Do Act as the initial responder to security alerts and events across enterprise systems, endpoints, networks, and cloud environments

Perform event analysis and analysis using documented playbooks, runbooks, and standard operating procedures

Apply experience‐based judgment when alerts are unclear, incomplete, or fall outside existing procedures

Validate alerts, identify false positives, and assess severity, scope, and potential business impact

Conduct initial investigation and contextual analysis to support accurate decision‐making

Independently resolve and close security events, requesting assistance as needed

Escalate confirmed or high‐risk incidents with clear, detailed, and actionable case notes

Analyze logs and telemetry from multiple sources, including SIEM, endpoint, network, identity, and cloud platforms

Collaborate with internal technical and business teams to support remediation and resolution

Maintain high‐quality documentation, including investigation notes and shift handovers

Contribute feedback to improve detection logic, playbooks, and analysis workflows

Stay current on emerging cyber threats, attacker techniques, and defensive best practices

Required Experience & Skills Experience in a Security Operations, SOC, CSOC, or security analysis role

Minimum 1 year of experience

Strong proficiency in log analysis across multiple data sources (SIEM experience required; Splunk preferred)

Solid understanding of

Enterprise networking concepts and the TCP/IP stack

Endpoint and network security controls

Windows, Linux, and macOS operating systems

Familiarity with security technologies such as EDR, antivirus, firewalls, VPNs, and identity systems

Ability to follow playbooks while adapting confidently when procedures are incomplete or unavailable

Comfortable working independently , prioritizing alerts, and making escalation decisions

Clear written and verbal communication skills, particularly for investigation documentation A professional, customer‐focused approach when working with internal stakeholders

Preferred Qualifications Experience working in a 24x7 SOC or CSOC environment

Exposure to cloud platforms such as AWS, Azure, or GCP

Experience with event correlation, enrichment, or alert tuning

Familiarity with scripting or automation (e.g., Python, PowerShell, Bash)

Relevant security certifications (e.g., Security+, GCIH, GCED, or similar)

Degree or formal training in information security, computer science, or a related field

Does this sound like you?Apply if you think we're a good match. We'll get in touch to let you know what the next steps are, but in the meantime feel free to have a look at:If indicated, please note that years of experience are a guide; we will consider applications from all candidates who can demonstrate the skills necessary for the role.Discover what makes Bloomberg unique - watch our for an inside look at our culture, values, and the people behind our success.Bloomberg is an equal opportunity employer and we value diversity at our company. We do not discriminate on the basis of age, ancestry, color, gender identity or expression, genetic predisposition or carrier status, marital status, national or ethnic origin, race, religion or belief, sex, sexual orientation, sexual and other reproductive health decisions, parental or caring status, physical or mental disability, pregnancy or parental