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.ResponsibilitiesMonitor and triage alerts across security platforms such as SIEM, EDR, email, and identity, cutting through noise to kick off investigations as neededExecute and improve incident response playbooks by gathering evidence, containing low-severity events, escalating thoughtfully, and communicating clearlyPerform daily security checks to ensure healthy systems, track issues through to closure, and keep runbooks updatedSupport phishing investigations and user-reported security events, sharing findings to keep our teams protectedAssist with vulnerability and patch reviews alongside engineering, confirming that risks are remediatedCreate detailed case documentation including timelines, artifacts, observables, and post-incident summaries to support learning and improvementSuggest and build improvements for processes and playbooks, tuning detections and developing smart automationsCollaborate with technology partners across the firm, sharing context and building trust through fast, reliable serviceHelp teammates thrive, reduce repetitive work, improve signal over noise, and deliver consistent resultsSkillsGenuine interest in cybersecurity operations and a drive to build a career in SOC or incident response. Internships, school projects, or labs are welcomeBasic understanding of networking, Windows and Linux systems, and enterprise technology. Able to dig into logs and troubleshoot issuesFamiliarity with at least one core security tool or domain, such as SIEM, EDR, email security gateways, or identity and MFA, and ready to learn moreStrong instincts for structured troubleshooting, evidence gathering, and writing clear documentation for tickets and incident handoffsBasic scripting or automation skills in Python or PowerShell, or a willingness to learn and automate repetitive tasksCuriosity, clear communication, and a collaborative mindsetDetail-oriented and service-driven with a disciplined approach to procedures, meeting SLAs, and seeking ways to improve outcomesWillingness to join on-call or after-hours rotations as neededHands-on experience with security platforms such as SIEM queries, endpoint detections, phishing analysis, or sandboxingFamiliarity with ticketing tools, incident tracking, or on-call workflows, and exposure to SOAR or automation toolsCoursework, certifications, or labs in security operations, such as Security+, Splunk fundamentals, or networking basicsUnderstanding of vulnerability management and experience working with engineering teams on remediationBenefitsGenerous medical coveragePaid parental leaveFree breakfast and lunch (plus healthy snacks, of course)Wellness reimbursementQuarterly recharge daysA variety of other benefits focused on providing the best employee experienceCompany OverviewChicago 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 http://www.chicagotrading.com/.Company H1B SponsorshipChicago 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.



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