Full time
Chicago

Senior Security Engineer – Chicago

We’re partnering with a leading technology-driven trading firm seeking a Senior Security Engineer to help protect and evolve the security of a highly sophisticated global infrastructure spanning cloud, identity, endpoint, and on-premise environments.

This is an opportunity to move beyond traditional security operations and work on complex engineering challenges at scale -combining cloud security, threat detection, automation, incident response and AI security within one of the world’s most demanding technology environments.

What You’ll Be Working On

  • Protecting large-scale AWS, Microsoft 365, and enterprise infrastructure environments.
  • Building detection and response capabilities to identify and mitigate sophisticated threats.
  • Engineering security automation using Python, PowerShell, APIs, and modern security tooling.
  • Strengthening identity security through Entra ID, Conditional Access, MFA, Privileged Identity Management (PIM), and Zero Trust principles.
  • Securing AI-enabled environments and collaborating with engineering teams on emerging security challenges.
  • Leading investigations into security incidents, threat activity, and vulnerabilities across cloud and on-prem systems.
  • Driving security improvements across infrastructure, applications, and enterprise platforms.

What We’re Looking For

  • Experience securing AWS environments, including IAM, GuardDuty, Security Hub, CloudTrail, Config, and KMS.
  • Strong knowledge of Microsoft security technologies including Entra ID, Defender Suite, Conditional Access, MFA, PIM, and Secure Score.
  • Hands-on experience with SIEM, EDR, SOAR, vulnerability management, threat detection, and incident response.
  • Strong understanding of identity and access management, including RBAC, PAM, SSO, SAML, OAuth, and OIDC.
  • Experience securing Windows and Linux environments.
  • Knowledge of networking fundamentals including TCP/IP, DNS, VPNs, firewalls, proxies, and enterprise network security.
  • Experience developing automation and integrations using Python, PowerShell, REST APIs, and Git.
  • Exposure to Microsoft Purview, DLP, data classification, or information protection technologies is highly beneficial.

What To Expect?

  • Base salary range from $150,000 – $250,000 USD
  • Tackle complex security challenges across cloud, infrastructure, identity, and AI platforms.
  • Own security initiatives from design through implementation and incident response.
  • Work alongside elite engineers in a highly technical, fast-paced environment.
  • Gain exposure to cutting-edge security technologies and large-scale global infrastructure.
  • Competitive compensation package, performance-based bonuses, comprehensive healthcare, retirement benefits, and extensive professional development opportunities.
  • Join a culture that values engineering excellence, innovation, and continuous improvement.

Are you looking for your next challenge? If so we’d love to hear from you.

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Can’t see your perfect role just yet? We work proactively with candidates and often place talent before jobs are even published.