Information Security Operations Engineer

Chicago Trading Company is a cutting-edge proprietary trading firm focused on helping the world price and manage risk. They are seeking an Information Security Operations Engineer to monitor security systems, respond to incidents, and collaborate with teams to enhance cybersecurity measures. Responsibilities Monitor and triage alerts across security platforms such as SIEM, EDR, email, and identity, cutting through noise to kick off investigations as needed Execute and improve incident response playbooks by gathering evidence, containing low-severity events, escalating thoughtfully, and communicating clearly Perform daily security checks to ensure healthy systems, track issues through to closure, and keep runbooks updated Support phishing investigations and user-reported security events, sharing findings to keep our teams protected Assist with vulnerability and patch reviews alongside engineering, confirming that risks are remediated Create detailed case documentation including timelines, artifacts, observables, and post-incident summaries to support learning and improvement Suggest and build improvements for processes and playbooks, tuning detections and developing smart automations Collaborate with technology partners across the firm, sharing context and building trust through fast, reliable service Help teammates thrive, reduce repetitive work, improve signal over noise, and deliver consistent results Skills Genuine interest in cybersecurity operations and a drive to build a career in SOC or incident response. Internships, school projects, or labs are welcome Basic understanding of networking, Windows and Linux systems, and enterprise technology. Able to dig into logs and troubleshoot issues Familiarity with at least one core security tool or domain, such as SIEM, EDR, email security gateways, or identity and MFA, and ready to learn more Strong instincts for structured troubleshooting, evidence gathering, and writing clear documentation for tickets and incident handoffs Basic scripting or automation skills in Python or PowerShell, or a willingness to learn and automate repetitive tasks Curiosity, clear communication, and a collaborative mindset Detail-oriented and service-driven with a disciplined approach to procedures, meeting SLAs, and seeking ways to improve outcomes Willingness to join on-call or after-hours rotations as needed Hands-on experience with security platforms such as SIEM queries, endpoint detections, phishing analysis, or sandboxing Familiarity with ticketing tools, incident tracking, or on-call workflows, and exposure to SOAR or automation tools Coursework, certifications, or labs in security operations, such as Security+, Splunk fundamentals, or networking basics Understanding of vulnerability management and experience working with engineering teams on remediation Benefits Generous medical coverage Paid parental leave Free breakfast and lunch (plus healthy snacks, of course) Wellness reimbursement Quarterly recharge days A variety of other benefits focused on providing the best employee experience Company Overview Chicago Trading Company is a trading firm that provides liquidity and promotes a more efficient marketplace. It was founded in 1995, and is headquartered in Chicago, Illinois, USA, with a workforce of 501-1000 employees. Its website is Company H1B Sponsorship Chicago Trading Company has a track record of offering H1B sponsorships, with 30 in 2025, 35 in 2024, 45 in 2023, 37 in 2022, 23 in 2021, 16 in 2020. Please note that this does not guarantee sponsorship for this specific role.