Sr InfoSec Analyst

PEAK6; Belfast City District; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

28 days annual leave

Private health insurance

Pension matched up to 7%

Life insurance

Hybrid work schedule

Job summary

Apex Fintech Solutions in Belfast, Northern Ireland, is seeking a Senior SOC Analyst to lead security investigations, threat hunting, and response across our security stack. You will mentor analysts, develop automation, and drive improvements to our security posture in a fast-paced environment.

You will work in a hybrid setup, collaborate with stakeholders, and contribute to security metrics, incident reports, and playbooks while maintaining documentation and best practices across IT and

Qualifications

• Bachelor's degree in a security-related field or equivalent experience.
• 5+ years in information/cyber security roles with incident handling.
• Knowledge of MITRE ATT&CK, Cyber Kill Chain, and D3FEND.
• Familiarity with firewalls, SIEM, EDR, and cloud security.

Responsibilities

• Lead SOC investigations and incident response for complex threats.
• Perform threat hunting, log analysis, and vulnerability reviews.
• Develop automation and playbooks to improve detection and response.
• Mentor junior analysts and coordinate with stakeholders.

Skills

Threat detection

Incident response

Team mentoring

Analytical thinking

Communication

Education

Bachelor's degree in Security or Computer Science

Tools

SIEM

UEBA

EDR

NIDS/NIPS/HIDS/HIPS

DLP

SOAR

Job description

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.

RESPONSIBILIES

• 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.

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 projects simultaneously. Communicate effectively by contributing significantly to the development and delivery of a variety of written and visual documents for diverse audiences. Manage change and demonstrate adaptability by adjusting priorities or processes and approaching as needs dictate. Work independently as a team representative of Information Security as well as showing excellent teamwork skills. Ability to develop thorough documentation and operational playbooks, in addition, to suggest alert enhancements to improve detection capability. Ability to mentor and support team members to advance the security program. Fundamental knowledge of network and system technologies and practices. Desire for continual learning of new technologies and developing knowledge / skills.

Culture & Core Values

The Information Security Team is composed of independent thinkers and doers who can positively impact our clients and shape Apex Fintech Solutions business and security posture. The Information Security Team strives to build and maintain a collaborative environment and engaging work—guided by Open and Honest Communication; Teamwork and Collaboration; Involving Everyone; Leaders Who Serve; and Personal Accountability.

We offer 28 days annual leave plus 10 NI national holidays. Pension matched up to 7% Private health insurance for medical and dental. Life Insurance. Great work/life balance and flexible working hours. Monthly catered lunches. Unlimited drinks and snacks. Charitable matching gift program.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. Our Rewards We offer a robust package of employee perks and benefits, including a market-leading salary with an annual bonus, 28 days of annual leave plus 10 Northern Ireland national holidays, a training and development budget, and a pension matched up to 7%. Our benefits also cover private health insurance for medical, dental, and optical care, and life insurance. We emphasize work-life balance with flexible working hours, parental leave, a modern city center office, and a hybrid work schedule that allows for greater flexibility by partially working from home. Additional perks include monthly catered lunches, unlimited drinks and snacks, hackathon events, poker tournaments, and a charitable matching gift program.

Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.

Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.

At Apex, we stand for efficiency and transparency. In every office, you’ll find passionate, committed, dedicated teams driven to find smart solutions to solve our clients’ toughest challenges. We are passionate about our employees, providing the benefits and perks that elevate you, reward you, and help you give back. We provide great flexibility, a collaborative, open work space, and real potential to grow with the firm.