Senior Associate, Cyber Security Analyst - Incident Response
What you need
- 2-4 yrs cyber security analyst experience in SOC or IR
- Experience with SIEM, EDR, endpoint, email, identity, network security tools
- Bachelor’s degree in Cybersecurity, Computer Science or related discipline
- Understanding of attacker techniques, malware, phishing, account compromise, endpoint investigation
- Awareness of NIST SP 800-61 and MITRE ATT&CK
What you'll do
- Investigate escalated security events from triage through closure
- Review alerts, logs, endpoint data to determine scope and root cause
- Maintain investigation notes, timelines, evidence in incident management platform
- Support containment, eradication and recovery with SOC and infrastructure teams
- Follow incident response playbooks and escalate gaps to lead
About CLS:
CLS is the trusted party at the centre of the global FX ecosystem. Utilized by thousands of counterparties, CLS makes FX safer, smoother and more cost effective. Trillions of dollars’ worth of currency flows through our systems each day.
Created by the market for the market, our unrivalled global settlement infrastructure reduces systemic risk and provides standardization for participants in many of the world’s most actively traded currencies. We deliver huge efficiencies and savings for our clients: in fact, our approach to multilateral netting shrinks funding requirements by over 96% on average, so clients can put their capital and resources to better use.
CLS products are designed to enable clients to manage risk most effectively across the full FX lifecycle – whether through more efficient processing tools or market intelligence derived from the largest single source of FX executed data available to the market.
Our ambition to make a positive difference starts with our people. Our values underpin everything that we do at CLS and define our working environment:
- Pivotal purpose
- Trusted guardian
- Targeted innovation
- Facilitate connections
- Delivering excellence
- Inclusive culture
Job information:
- Functional title - Cyber Security Analyst – Incident Response
- Department - IT Security Operations
- Corporate level - Senior Associate
- Report to - Vice President, Incident Response
- Location – London, onsite 2 days per week
Job purpose:
CLS is seeking a technically focused Cyber Security Analyst to support end-to-end investigation and response for security events escalated by the SOC and other internal security teams. The role will perform analysis, evidence gathering, case documentation and response activity across the incident lifecycle, helping ensure security incidents are investigated consistently, contained effectively and recorded to the required operational standard.
Core responsibilities:
- Incident investigation: Investigate escalated SOC and information security events from initial triage through analysis, containment support, eradication, recovery and closure.
- Technical analysis: Review alerts, logs, endpoint data, user activity, network indicators and other evidence sources to determine scope, impact and likely root cause.
- Case management: Maintain clear, accurate and timely investigation notes, timelines, evidence records and response actions in the incident management platform.
- Containment and remediation support: Work with SOC, infrastructure, application and security tooling teams to support agreed containment, eradication and recovery actions.
- Playbook execution: Follow incident response procedures and scenario playbooks, escalating gaps, exceptions or improvement opportunities to the Incident Response lead.
- Reporting support: Contribute to incident summaries, lessons learned material, root cause analysis and management reporting by providing accurate technical findings and evidence.
- Operational readiness: Support tabletop exercises, control validation and continuous improvement activity by providing analyst-level input and observations from real investigations.
Experience:
- 2-4 years cyber security analyst experience, preferably in SOC, incident response, security operations or a similar technical security role.
- Hands-on experience investigating alerts using SIEM, EDR, endpoint telemetry, email security, identity or network security tools.
- Good understanding of common attacker techniques, malware behaviour, phishing, account compromise, data loss indicators and endpoint investigation methods.
- Experience documenting security investigations, maintaining incident timelines and recording evidence to a clear operational standard.
- Awareness of incident response frameworks such as NIST SP 800-61, the cyber kill chain or MITRE ATT&CK.
- Financial services, regulated environment or critical infrastructure experience is desirable but not essential.
Qualifications/Certifications:
- Bachelor’s degree in Cybersecurity, Computer Science or a related discipline, or equivalent practical experience.
- Relevant security certification or working towards one, such as Security+, CySA+, GCIH, GCFE, GCFA or equivalent.
- Working knowledge of log analysis, endpoint investigation, incident management and security monitoring tools.
Our commitment to employees:
At CLS, we celebrate inclusion and consider this to be one of our strongest assets. We are committed to fostering an environment in which everyone feels comfortable to be who they are, and inclusion is valued. All employees have access to our inclusive benefits, including:
- Holiday - UK/Asia: 25 holiday days and 3 ‘life days’ (in addition to bank holidays). US: 23 holiday days.
- 2 paid volunteer days so that you can actively support causes within your community that are important to you.
- Generous parental leave policies to ensure you can enjoy valuable time with your family.
- Parental transition coaching programmes and support services.
- Wellbeing and mental health support resources to ensure you are looking after yourself, and able to support others.
- Employee Networks (including our Women’s Forum, Black Employee Network and Pride Network) in support of our organisational commitment to embrace and always be learning more about inclusivity.
- Hybrid working to promote a healthy work/life balance, enabling employees to work collaboratively in the office when needed and work from home when they don’t.
- Active support of flexible working for all employees where possible.
- Monthly ‘Heads Down Days’ with no meetings across the whole company.
- Generous non-contributory pension provision for UK/Asia employees, and 401K match from CLS for US employees.
- Private medical insurance and dental coverage.
- Social events that give you opportunities to meet new people and broaden your network across the organisation.
- Annual flu vaccinations.
- Discounts and savings and cashback across a wide range of categories including health and retail for UK employees.
- Discounted Gym membership – Complete Body Gym Discount/Sweat equity program for US employees.
- All employees have access to Discover – our comprehensive learning platform with 1000+ courses from LinkedIn Learning.
- Access to frequent development sessions on a number of topics to help you be successful and develop your career at CLS.
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About CLS Group
CLS (Collecte Localisation Satellites) is a French subsidiary of CNES that provides satellite-based maritime surveillance, environmental monitoring, and Earth observation data services.
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