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61 security operations engineer jobs at 56 companies in Illinois

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Security Operations Engineer
Chicago, Illinois, United States
$90k-$100k/yr OnsiteFull Time
Hopscotch Primary Care
Hopscotch Primary Care: Private primary care provider serving Medicare and Medicare/Medicaid seniors in rural communities through value-based care.
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)
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1d
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Security & Operations Engineer
Peoria, Illinois, United States
$60k-$80k/yr OnsiteFull Time
Advanced Medical Transport
Advanced Medical Transport: Not-for-profit ambulance provider serving communities across Central, Eastern, and Western Illinois and parts of Iowa.
3+ YOEAssociate's degree in IT, cybersecurity, computer science, or related field; 3–5 years in cybersecurity or IT; security platform, Microsoft 365, patching, vulnerability, hardening, scripting, and infrastructure experience required.
ThreatLocker, Microsoft 365, Microsoft Entra ID, Conditional Access, Microsoft Defender, Purview, Active Directory, PowerShell, Python, Bash, Windows Server, Linux, VMware, SQL
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Agentic AI Security Engineer
North Chicago, Illinois, United States
$110k-$209k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Global biopharmaceutical discovering and delivering innovative medicines.
2+ YOEExperience building agentic AI systems for security, strong Python, security operations experience, working knowledge of LLMs, API and data pipeline integration, and relevant degree with multiple years of experience.
Python, Claude Code, Cursor, GitHub Copilot, Aider, LangChain, AutoGen, Azure, AWS, GCP, SIEM, EDR, SOAR
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Security Engineer II
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
Akuna Capital: Proprietary trading firm providing options-market liquidity through advanced technology, strategic trading, and quantitative research.
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
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1w
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Security Operations Analyst
Santa Clara or California or Nevada or Oregon or Washington or Arizona or Illinois
$92k-$115k/yr HybridFull Time
Santa Clara University
Santa Clara University: Private Jesuit Catholic nonprofit university serving undergraduate and graduate students in Silicon Valley.
5+ YOEBachelor’s degree in computer science, engineering, cybersecurity, or information systems; 5+ years of technical experience; Python or shell scripting, APIs, JSON/XML, Git, and security operations knowledge.
Python, Bash, RESTful APIs, JSON, XML, Git
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3w
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Senior Security Engineer
Chicago, Illinois, United States
$110k-$135k/yr HybridFull Time
HUB International
HUB International: Global insurance brokerage providing risk management and financial 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
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1d
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Security Automation Engineer
Chicago or Reston or Crum Lynne
$113k-$188k/yr HybridFull Time
TransUnion
TransUnionNYSE: TRU: Global information and insights providing credit reporting and risk management.
10+ YOERequires 10+ years in security or software engineering, production Python, SOAR platforms, LLM agent and prompt design, REST APIs, SOC operations, incident response, MITRE ATT&CK, Git, testing, and CI/CD.
Splunk SOAR, Cortex XSOAR, Tines, Torq, Anthropic Claude, OpenAI, Amazon Bedrock, MITRE ATT&CK, Python, REST APIs, JSON, OAuth, Git, Software Development Kits, ServiceNow, FastAPI, Flask, AWS, Docker, Kubernetes, Terraform, Splunk Enterprise Security, Search Processing Language, HSA, FSA, Care@Work, Employee Stock Purchase Plan (ESPP)
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Information Security Engineer
North Carolina or Georgia or Texas or New Jersey or Pennsylvania or Illinois or District of Columbia or Maryland or Ohio or Florida or South Carolina or Colorado or Indiana or Washington or Nevada or California or Massachusetts
RemoteFull Time
Exostar
Exostar: Cloud-based collaboration software provider helping aerospace, defense, healthcare, life sciences, and financial-services organizations collaborate securely and compliantly.
7+ YOE7+ years in information security with security operations, incident response, Azure/Microsoft 365 experience, SIEM/EDR familiarity, scripting (Python/KQL/SPL), strong communication and ability to obtain Trusted Role.
EDR, AV, DLP, Tenable, Splunk, Sentinel, Defender, Proofpoint, IDS, Firewalls, SIEM, vulnerability scanners, Splunk Query Language, KQL, Python, PERL, Ruby, Bash, SQL, Azure, Microsoft 365, AAD
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2w
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Sr. Security Engineer - Cloud Threat Detection
Charlotte or Columbus or Hartford or Chicago
$128k-$193k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provider of property and casualty insurance and employee benefits.
5+ YOERequires 5+ years of cybersecurity experience, hands-on AWS and GCP security operations, enterprise SIEM detection engineering, cloud telemetry analysis, documentation, and SOC analyst mentoring.
AWS, Google Cloud Platform (GCP), AWS GuardDuty, AWS CloudTrail, AWS VPC Flow Logs, AWS Config, Google Security Command Center (SCC), Google Cloud Audit Logs, Google Cloud Logging, Identity and Access Management (IAM), Orca, CrowdStrike, Wiz, Splunk, Splunk Enterprise Security, Microsoft Sentinel, QRadar, Cortex XSIAM, MITRE ATT&CK, Python, PowerShell, Bash, SentinelOne, Microsoft Defender XDR for Endpoint, SPL, SOAR
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3mo
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Senior Manager, Security Operations & Engineering
Evanston, Illinois, United States
$144k-$198k/yr OnsiteFull Time
ULSE Inc.
ULSE Inc.: Nonprofit safety science research organization studying public safety risks and developing knowledge for a safer, more sustainable world.
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.
SIEM, EDR, MDR, Cloud security platforms, Vulnerability management, CSPM, CNAPP, DSPM, MDN, AI security monitoring
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2w
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Senior Associate, Security Engineering
Chicago, Illinois, United States
$99k-$170k/yr HybridFull Time
The Options Clearing Corporation
The Options Clearing Corporation: A U.S. financial market utility providing central-counterparty clearing and settlement for listed options, futures, and securities lending.
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
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2mo
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Sr. Director, Information Security & Cloud Operations
Chicago, Illinois, United States
$231k/yr OnsiteFull Time
Prolaio
Prolaio: Private cardiovascular clinical-intelligence providing continuous heart data and analytics to researchers, providers, and patients.
15+ YOE5+ MgmtBachelor's in CS/Engineering/InfoSec, 15+ years in regulated healthcare/medtech security, 5+ years senior leadership, experience with HITRUST/ISO/HIPAA/FDA, cloud (AWS/Azure/GCP), IaC, Kubernetes, continuous security/compliance, AI security for models.
AWS, Azure, GCP, Kubernetes
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1mo
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Security Administrator
Rosemont or Lincoln or Des Moines or Baton Rouge or Cedar Rapids
$100k-$125k/yr OnsiteFull Time
Kuvare
Kuvare: Private U.S. life-insurance and annuity holding serving consumers, distributors, financial professionals, and institutional insurance markets.
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
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1d
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Lead Platform Engineer - Palo Alto (Cloud Operations Resilience Engineering)
Riverwoods or McLean
$150k-$188k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
6+ YOE2+ MgmtRequires high school diploma or GED, 6+ years with build and deployment tools, 4+ years with AWS, and 2+ years of team leadership; Palo Alto, networking, scripting, and security experience preferred.
Python, SQL, Ruby, Groovy, Docker, ECS, Ansible, Terraform, AWS, Jenkins, GitHub, Artifactory, Palo Alto Networks NGFW, Panorama, Azure, GCP
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1d
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Security Analyst Sr
Indianapolis or Charleston or Richmond or Chicago or Roanoke or Grand Prairie or Norfolk or Illinois or Virginia
$98k-$170k/yr HybridFull Time
Elevance Health
Elevance HealthNYSE: ELV: A health dedicated to improving lives and communities.
3+ YOEBachelor's degree or equivalent experience and 3+ years in infrastructure security support, operations, design, or engineering. Requires top-tier support across at least three information security technology areas.
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2mo
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Principal Engineer
Illinois, United States
$210k-$314k/yr HybridFull Time
Relativity
Relativity: Private legal data intelligence providing AI-powered e-discovery software to law firms, corporations, and government agencies.
12+ YOE12+ years designing, building, and operating cloud-native distributed systems; expertise in high-throughput data, streaming, security, reliability, orchestration, and technical leadership; hands-on coding and mentoring experience.
Temporal, Kubernetes, GitHub Copilot, Cursor, Claude Code, Event Hub, Kafka, Apache Spark, RelativityOne
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Cyber SDC - WAF Operations Solution Engineer- Staff
Chicago or United States
$83k-$136k/yr HybridFull Time
EY
EY: Global professional services firm providing assurance, tax, and consulting.
1+ YOE1-2 years web application security/WAF experience; hands-on Cloudflare and Imperva; Terraform preferred; bachelor's degree preferred; strong analytical and communication skills; ITIL familiarity.
Cloudflare, Imperva, Terraform, ITIL, WAF
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1mo
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Operational Resiliency Engineer
Chicago, Illinois, United States
$100k-$150k/yr HybridFull Time
NinjaTrader
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
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.
OpenTelemetry, Kafka, IBM MQ
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2mo
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Security Analyst
Peoria, Illinois, United States
$39-$46/hr OnsiteFull Time
Citizens Equity First Credit Union
Citizens Equity First Credit Union: Member-owned, not-for-profit credit union serving consumers and businesses with savings, lending, payments, and investment services.
2+ YOEBachelor’s in IT or 5 years related experience; 2-4 years security operations experience; CEH or CISSP (or 2+ years network engineering); hands-on SIEM, IDS/IPS, firewalls, endpoint protection, vulnerability scanning, Windows/AD, networking protocols.
SIEM, IDS/IPS, firewalls, endpoint protection, Microsoft Windows, Active Directory, TCP/IP, DNS, HTTP, VPN
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2mo
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Gen AI Infrastructure Engineer
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/yr HybridFull Time
Bessemer Investors
Bessemer Investors: Privately owned family office providing investment management, wealth planning, and family-office services to high-net-worth individuals and families.
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.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB
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