LSEG · 2 weeks ago
Senior Incident Responder (GSOC)
New York, NY
Full-time
Onsite
Senior Level
$106K/yr - $176K/yrLSEG is a leading global financial markets infrastructure and data provider. The Senior Incident Response role is responsible for identifying and responding to cyber security incidents and enhancing the defensive capabilities of the Global Security Operations Centre (GSOC).
ConsultingData ManagementDatabaseFinanceFinancial ServicesInfrastructureStock Exchanges
Responsibilities
Serve as a focal technical lead on cyber security events and incidents
Provide technical, hands-on incident investigation and support and serve as a main point of contact with management
Conduct complex digital forensics and advanced malware analysis investigations
Facilitate, document and manage root cause analysis and post-incident review process, including tracking all action items and lessons learned through to implementation
Preserve, harvest, and analyse data from computer systems including desktops, servers (virtual/physical) and appliances
Handle the chain of custody for all evidence collected during incidents, security, and forensic investigations
Build and improve defensive capabilities using monitoring technologies including SIEM and EDR
Perform proactive threat hunting and threat modelling to identify cyber threats
Coach and mentor incident responders in the steps to take to investigate and resolve computer security incidents
Qualification
Required
Experience performing complex digital forensic and incident response investigations
Deep knowledge of common operating systems (e.g. macOS, Windows, Unix, Linux) and their associated file systems
Proficient with industry-standard incident response toolsets such as Axiom, X-Ways, FTK and Volatility
Knowledge of cloud technologies and cloud infrastructures such as AWS, GCP, Azure, O365
Experience with conducting log analysis across different components of a typical organisation estate (e.g. OS, network, cloud)
Deep understanding of advanced cyber adversary tools, techniques and procedures
Good understanding of Security Operations Centre (SOC) practices, processes and procedures
Good understanding of incident response processes and procedures, including common frameworks (e.g. NIST, MITRE ATT&CK, etc)
Automating and refining incident response procedures/playbooks to improve SOC efficiencies
Policies, standards and security frameworks, NIST, CIS
Must have extensive experience of working in incident response such as within SOCs, digital forensics, or equivalent roles
Preferred
Preferred experience and knowledge of cyber security in global financial services and/or regulated environments
Benefits
Annual Wellness Allowance
Paid time-off
Medical
Dental
Vision
Flex Spending & Health Savings Options
Prescription Drug plan
401(K) Savings Plan and Company match
Basic life insurance
Disability benefits
Emergency backup dependent care
Adoption assistance
Commuter assistance
Company
LSEG
LSEG (London Stock Exchange Group) is a diversified international markets infrastructure business —earning our clients’ trust for over 300 years.
Founded in 2007
10001+ employees
H1B Sponsorship
LSEG has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2022 (3)
2021 (12)
Funding
Current Stage
Public CompanyTotal Funding
$8.19BKey Investors
Microsoft
2023-09-07Post Ipo Secondary· $2.87B
2023-05-16Post Ipo Secondary· $3.32B
2022-12-11Post Ipo Secondary· $2B
Leadership Team
David Schwimmer
Chief Executive Officer
Pascal Boillat
Chief Operating Officer
Recent News
2026-01-03
2026-01-03
2025-12-17
Company data provided by crunchbase