Sr InfoSec Analyst
Peak6
WHO WE ARE
Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.
At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.
When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees.
Together, we’re shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. — grit, results, empathy, accountability, and teamwork — with Apex.
We’re proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we’ve created. Here are just a few of the many awards we’ve recently received:
Best Places to Work
2026, 2025, 2024, 2023 - Presented by BuiltIn
WealthTech of the Year
2025 - Presented by US FinTech Awards
The World’s Top 250 Fintech Companies
2024 - Presented by CNBC
ABOUT THIS ROLE
- The Senior SOC Analyst will be responsible for day-to-day security threats, vulnerability management, analysis, and response. You will manage security incidents and review security alerts, determine if the security events are false positives, true positives, or false negatives,
- while working with incident responders on known or suspected security threats.
- The Senior SOC Analyst will work on log analysis, vulnerabilities and emerging threats, threat hunting and incident response that adhere to best practices and recognized control frameworks while mentoring analysts and being their escalation point. You will help provide security metrics, threat landscape updates and emerging trends. This role requires both deep analytical skills for threat detection and response, as well as technical engineering abilities to build, enhance, and automate security tools and processes. The Senior SOC Analyst will lead complex security investigations, develop automation solutions, and contribute to the strategic improvement of our security posture.
Responsibilities
Responsible for working in Security Operation Center (SOC) team environment.
Monitor, analyse, investigate security incidents and events using various tools and technologies including SIEM, UEBA, Threat Intel and EDR.
Perform security incident and event correlation, analysis, triage using information gathered from a variety of sources within the enterprise.
Generate reports, dashboards, and presentations from security technologies.
Point of conduct for Tier 1 & Tier 2 escalations for in-depth investigations of events.
Able to participate in an on-call rotation.
Provide analysis of trending security data from a large number of heterogeneous security devices across different layers.
Provide Incident Response (IR) support when analysis confirms an actionable incident.
Communicate and collaborate with stakeholders, including internal customers and senior management to provide updates on security incidents and to ensure proper resolution.
Investigate, document, and report on information security threats and emerging trends.
Integrate technologies and share information with SOC analysts and external teams.
Participate in internal projects and initiatives to increase SOC efficiency and improve SOC tooling.
Improve and challenge existing processes and procedures in an agile and fast-moving environment.
Maintain and update security documentation, including incident reports and KB articles.
Provide technical expertise, team member mentoring and advice to other departments.
Perform advanced threat hunting activities using custom queries, behavioral analysis, and threat modeling frameworks.
Develop and maintain security dashboards, metrics, and executive-level reporting.
Develop and maintain security tools, playbooks, and SOAR workflows to improve SOC efficiency.
Core Qualifications
The permanent right to live and work in the United Kingdom - this job is based in Belfast, Northern Ireland.
Bachelor’s degree in a related field (Security, Forensics, Cyber Security, or Computer Science is preferred) or equivalent industry related experience.
At least 5 years' experience working within an information security / cyber security role.
Desirable | Proven experience as a security analyst, incident handler/responder, security engineer, or penetration tester.
Knowledge of security methodologies, processes (i.e., Cyber Kill Chain/Diamond Models, and the MITRE ATT&CK/D3FEND framework).
Knowledge of technical security solutions (such as but not limited to firewalls, SIEM, NIDS/NIPS/HIDS/HIPS, EDR, DLP, SOAR, proxies, network behavioural analytics, orchestration, automation and cloud security).
Deep knowledge of TCP/IP, UDP, DNS, FTP, SSH, SSL/TLS and HTTP Protocols, network analysis, and network/security applications and email security.
Good knowledge of common malware threats and attack methodologies.
Good knowledge of scripting languages and programming languages (PowerShell, Python, Bash, .NET, Ruby,Java, C, etc.)
Experience with Infrastructure as Code.
- Desirable Professional Certifications:
- GCIA, GCIH, GCFE, GCFA, Security+, CCNA CyberOps, OSCP, GPEN, GWAPT, CEH, CySA+
Core Competencies
Accountable for the successful completion of multiple, individual pr