39 security operation engineer jobs at 37 companies in Joliet, IL
2mo
Save
Mark Applied
Hide
2mo
Security Engineer
Chicago, Illinois, United States
$150k-$200k/yrOnsiteFull Time
Optiver: Global market maker providing liquidity to financial markets.
Hands-on security engineer to protect cloud (AWS, Microsoft 365) and on-prem systems; monitor operations, perform incident response, automate security workflows, conduct risk assessments, and embed security best practices across the organization.
AWS, GuardDuty, CloudTrail, Security Hub, AWS Config, KMS, IAM, Microsoft 365, Microsoft Entra ID, Conditional Access, MFA, PIM, Microsoft Defender for Endpoint, Microsoft Defender for Identity, Microsoft Defender for O365, Microsoft Purview, DLP, Microsoft Secure Score, Python, PowerShell, Microsoft Graph API, REST, SIEM, EDR, SOAR, CASB, Git, Windows, Linux, TCP/IP, DNS, VPN, SAML, OAuth, OIDC, RBAC, PAM, SSO
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
3+ YOE3-5 years in cybersecurity or security engineering; experience with SIEM, EDR, cloud security (Azure/AWS/GCP), incident response, threat hunting, scripting (PowerShell/Python), and security operations frameworks.
MITRE ATT&CK, SIEM, EDR, MFA, Microsoft 365, PowerShell, Python, Cortex XSOAR, Splunk SOAR (Phantom), Tines, Torq, Microsoft Defender XDR, Microsoft Sentinel, CrowdStrike, SentinelOne, DLP, CASB, Azure, AWS, GCP, Windows, Linux, macOS, NIST Cybersecurity Framework, CIS Controls, ISO 27001, OWASP LLM Top 10, MITRE ATLAS
Hub International: Provides global insurance brokerage and risk management services.
8+ YOEBachelor's degree or applicable experience; 8+ years in information security operations; 5+ years with cloud infrastructure and O365; incident response, scripting, security tooling, and project leadership experience.
TCP/IP, DNS, WAF, SEIM, SOAR, Active Directory, MS Entra ID, KQL, SPL, PowerShell, Python, Shell, AWS, GCP, Azure, O365, Windows Event, SMTP, SPF, DKIM, DMARC, ISO 27001, NIST 800-53, SOC2, PCI, SOX
Hopscotch Primary Care: Provides value-based primary care for seniors in rural areas.
4+ YOE4+ years IT systems administration or security experience; hands-on Google Workspace and Slack administration; experience building SaaS API integrations, SOC/SIEM/IPS monitoring; CompTIA A+ or Network+ preferred; degree preferred but not required.
Microsoft 365, Microsoft Azure, Microsoft Azure AD, Google Workspace, Slack, Microsoft SharePoint, Microsoft Office 365, SOC, SIEM, IPS, Managed Detection and Response (MXDR), SCIM, SSO, HRIS, SaaS APIs, Identity & Access Management (IAM)
Options Clearing Corporation: Clearing and settlement for equity derivatives and options.
Experience in security operations, development, engineering, or architecture; privileged access management; CyberArk or HashiCorp Vault; cloud, CI/CD, scripting, and AI coding agent experience.
CyberArk, HashiCorp Vault, Public Key Infrastructure (PKI), Active Directory, OAuth 2.0, OIDC, AWS IAM, Kubernetes (k8s), LDAPS, Kerberos, Terraform, Ansible, Jenkins, GoLang, Bash, Python, PowerShell, OpenAI Codex, Claude Code, Gemini CLI, Active Directory Certificate Services (ADCS), HSMs
Atlanta or Naperville or Rockville or King of Prussia or Arlington
$106k-$158k/yrOnsiteFull Time
Nuclear Regulatory Commission: Regulates civilian use of nuclear energy and radioactive materials.
1+ YOEBachelor's in engineering or equivalent (PE/EIT alternatives),1+ year specialized nuclear engineering experience,U.S. citizenship,pre-employment drug test,background investigation/security clearance,transcripts required.
Rosemont or Lincoln or Des Moines or Baton Rouge or Cedar Rapids
$100k-$125k/yrOnsiteFull Time
Kuvare: Provides life insurance, annuities, and reinsurance solutions.
7+ YOEHands-on security administrator to operate and harden controls across Microsoft Azure/Entra/M365, perform incident response, identity/access hardening, cloud security engineering, automation and IaC; 7+ IT years, 3+ cybersecurity, 4+ Microsoft tech years.
Microsoft Azure, Microsoft Entra ID, Microsoft 365, Microsoft Sentinel, Microsoft Defender XDR, Intune, Logic Apps, PowerShell, Python, Bicep, ARM, Terraform, Key Vault
NinjaTrader: Provides futures brokerage services and a trading software platform.
2+ YOEBS/MS in CS or equivalent,2+ years with distributed systems,experience with security best practices,ability to use AI tooling for operational insights,and strong verbal communication.
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yrHybridFull Time
Bessemer Trust: Wealth management and family office services for affluent clients.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
Scottsdale or Chicago or San Francisco or New York City
$173k-$242k/yrHybridFull Time
Early Warning Services: Operates payment and risk solutions for the financial industry.
15+ YOEBachelor's in CS or related (or equivalent experience), ~15 years cloud/infrastructure experience with 5+ years designing and operating AWS solutions, deep Kubernetes and Terraform expertise, security/compliance experience, background and drug screen required, must be authorized to work in the U.S.
Chicago or New York or Florida or California or Texas
$112k-$209k/yrHybridFull Time
BMOTSX: BMO: Provides personal and commercial banking, investment, and wealth services.
8+ YOE8+ years Azure enterprise experience, expert in Terraform, IaC, CI/CD, Azure networking, security, and cloud operations; programming fluency in one or more languages (Python, node.js, Java, C#, C++).
Azure, Terraform, Azure DevOps, GitHub Actions, Azure Monitor, Log Analytics, Application Insights, Defender for Cloud, Python, node.js, java, c#, c++
7+ YOE7+ years in security engineering/operations, hands-on with Azure and Microsoft 365, SOC/MDR, vulnerability management, incident response, application security, PCI DSS/SOX knowledge, team leadership and communication skills.
Azure, Microsoft 365, Oracle Simphony, Microsoft Defender, Bitdefender, Microsoft Entra ID, Conditional Access, PIM, WAF, SIEM, SOAR, MDR, Salesforce, CI/CD
Winston Taylor: Transatlantic law firm providing legal counsel to global businesses.
8+ YOE5+ MgmtBachelor's degree required; 8+ years cybersecurity experience with security operations and engineering; 5+ years security leadership; must be local and onsite 3-4 days/week; expertise in SIEM, EDR/NGAV, SOAR, Firewalls, IDS/IPS, DLP, cloud security.
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOEBachelor's degree,5+ years operations-style experience,expertise with Google Gemini Enterprise and ADK,multi-cloud GenAI platform experience (GCP,Azure,OpenAI,Anthropic),LLM/RAG knowledge,Kubernetes/Docker/CI/CD experience,Python scripting,cloud security and RBAC integration.
Google Gemini Enterprise, Agent Development Kit (ADK), Google Cloud Platform (GCP), Azure, OpenAI, Anthropic, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP), Kubernetes (GKE/AKS), Docker, CI/CD, Python, PII masking, Role-Based Access Control (RBAC)
Prescient Solutions: Provides managed IT services and support for organizations.
Proficiency with Microsoft Server, Microsoft Office 365, Active Directory, Microsoft Azure; networking and system security knowledge; authorized to work in the US.
Microsoft Server, Microsoft Office 365, Active Directory, Microsoft Azure
Coalfire: Provides cybersecurity advisory, assessment, and technical testing services.
6+ YOE6+ years security consulting experience with >=2 years as a Google Cloud consultant; hands-on Google Cloud security architecture, posture, and operations; required Google Cloud Professional Cloud Security Engineer or Professional Cloud Architect (or equiv. SecOps) certs; strong exec communication.
Google Cloud, Security Command Center, Security Command Center Enterprise, Wiz, Chronicle, SIEM, Vertex AI, Terraform, CNAPP, CSPM
Senior Manager - Blockchain Security & Digital Asset Infrastructure
New York or Charlotte or Chicago or St. Louis or Boston
$150k-$344k/yrHybridFull Time
EY: Global firm providing audit, tax, and professional consulting services.
8+ YOEBachelor's in a technical field and 8+ years in cybersecurity, systems engineering, blockchain security or cryptographic research; hands-on custody and key-management experience; expertise in blockchain protocols, cryptography, incident response, and AI-enabled threat analysis.
UL Research Institutes: Performs independent research to advance global public safety science.
7+ YOE3+ Mgmt7+ years cybersecurity with 3+ years in security operations leadership; experience with Azure and AWS security; hands-on with SIEM/EDR/MDR, vulnerability management, cloud security; regulated/audit environments; certifications preferred.
Louisville or New York City or Dallas or Charlotte or Tampa or Miami or Washington or Chicago or Boston or Atlanta or Nashville
$142k-$196k/yrRemoteFull Time
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
6+ YOE6+ Mgmt6+ years in red team/penetration testing with leadership experience; production Python engineering; built or operated agentic AI/LLM applications; experience attacking AI/ML systems; production cloud experience (AWS, GCP, or Azure).
Python, PyRIT, Garak, MITRE ATLAS, OWASP Top 10 for LLM Applications, NIST AI Risk Management Framework, AWS, GCP, Azure, Hack The Box Pro Labs
Director of Security Technology Engineering and Operations
Cincinnati or Atlanta or Minneapolis or Charlotte or Chicago or Englewood or Irving
$164k-$193k/yrHybridFull Time
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
15+ YOEBachelor's degree or equivalent, 15+ years in security engineering/operations with proven success leading large global technical organizations; deep expertise in network, endpoint, cloud, and data security; executive presence in regulated environments.