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Job Details


Belfast, Northern Ireland


40,000 +


Security Operations Analyst

  • We are PEAK6, a leading investment firm, headquartered in the historic Chicago Board of Trade Building, where we first opened our doors in 1997. It’s been over 20 years since we were one of the first firms to develop sophisticated proprietary technology to use in our trading business. Today, we continue to leverage our technical ingenuity and operational excellence across several investment areas, spanning early-to-mid growth capital, operational control, trading, and e-sports, while always providing value to the customer. Throughout the years, we’ve built and operated several financial technology firms, and we continue to evolve. You’ll find a bit of everything here, and we’re always looking to take on new endeavours.   

    We want to expand our talented teams and are excited to be creating a new centre of excellence in Belfast. We are building teams that are fully functional with leadership, back- and front-end development, data engineering and testing, located in Northern Ireland.   

    We are seeking a Security Operation Center (SOC) Analyst to join our Cybersecurity team.

    The SOC Analyst will be responsible for day-to-day security threat monitoring, analysis, and response. You will manage security incidents and review security alerts, determine if the security events are false positives, true positive, or false negatives and work with incident responder’s on known or suspected security threats. The Security Analyst will work on threat intelligence gathering and integration, forensics, and incident response that adhere to best practices and recognized control frameworks.


    • Investigate incidents using SIEM and UEBA technologies, packet captures, reports, data visualization, and pattern analysis.
    • Analyze, escalate, and assist in remediation of critical information security incidents.
    • Improve and challenge existing processes and procedures in a very agile and fast-moving information security environment.
    • Able to participate in an on-call rotation.
    • Perform real-time alert monitoring and risk mitigation.
    • Provide analysis and trending of security log data from a large number of heterogeneous security devices across different layers.
    • Provide Incident Response (IR) support when analysis confirms the actionable incident.
    • Provide threat and vulnerability analysis as well as security advisory services.
    • Analyze and respond to previously undisclosed software and hardware vulnerabilities.
    • Investigate, document, and report on information security issues and emerging trends.
    • Integrate and share information with other analysts and teams.
    • Participate in security projects and assist network operations and engineering teams.

    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, or Computer Science is preferred) or equivalent industry related experience.
    • 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 framework).
    • Knowledge of technical security solutions (firewalls, SIEM, NIDS/NIPS/HIDS/HIPS, AVs, DLP, proxies, network behavioral analytics, endpoint, and cloud security).
    • In-depth knowledge of TCP/IP, UDP, DNS, FTP, SSH, SSL/TLS and HTTP Protocols, network analysis, and network/security applications.
    • Good knowledge of common malware threats and attack methodologies.
    • Desirable Professional Certifications: GCIA, GCIH, GCFE, GCFA, Security+, CCNA CyberOps, OSCP, GPEN, GWAPT, CEH, 

    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 InfoSec 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.
    • Good understanding of system and network hardening practices.

    Culture & Core Values

    • InfoSec team is comprised of independent thinkers and doers who can positively impact our clients and shape Apex Clearing.
    • We strive 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

    Life at PEAK6 

    We want you to like coming to work so we work really hard to make your job fun and different from any other.  

    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
    • Discounted gym membership
    • Great work/life balance and flexible working hours 
    • Monthly catered lunches 
    • Unlimited drinks and snacks 
    • Quarterly hackathons
    • Poker tournaments 
    • Charitable matching gift program
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Applications processed via employer's online application form