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39 principal security engineer jobs at 23 companies in Oak Park, IL

1d
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Principal Engineer, Architect for Integration, Engineering, and Security
Chicago, Illinois, United States
OnsiteFull Time
Advantage Solutions
Advantage Solutions: Provides outsourced sales, merchandising, and marketing for consumer brands.
10+ YOEBachelor's degree and 10–12 years of relevant experience. Requires enterprise integration and solution architecture, data design, AI affinity, software selection, security architecture, and retail or consumer packaged goods expertise.
AI, ERP
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2mo
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Principal Application Security Engineer
Chicago, Illinois, United States
$164k-$212k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
12+ YOE12+ years in application/product/security engineering; hands-on experience with Kubernetes, cloud (EKS/AKS/GKE), CI/CD and DevSecOps tooling, threat modeling, secure architecture, vulnerability management, and production-grade coding in modern backend languages.
Kubernetes, EKS, AKS, GKE, CI/CD, SAST, SCA, SBOM, IaC, RBAC, secret scanning, container scanning, C++, Go, Java, C#, Python, Node.js
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2w
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Principal Engineer, Product Cybersecurity
Round Lake or Raleigh
$120k-$165k/yr HybridFull Time
Baxter
BaxterNYSE: BAX: Develops medical technologies and therapies for patient care.
5+ YOEBachelor's degree plus 5+ years or master's degree plus 3+ years in a related field; expertise in medical device cybersecurity, threat modeling, testing, vulnerability analysis, and secure software practices.
Black Duck, Coverity, CWE, CVE
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1mo
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Principal Information Security Engineer
Rosemont, Illinois, United States
$138k-$173k/yr OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
6+ YOE6+ years IT experience with network/security services, knowledge of modern network, security, cloud and virtualization technologies; experience with application/configuration management and security tool integration.
APIs, NIST, ISO
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Principal Agentic AI Security Engineer
North Chicago, Illinois, United States
$142k-$269k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
4+ YOEExtensive cybersecurity and security-engineering experience, strong software engineering with Python, experience building agentic AI systems, and ability to develop technical standards and guidance.
Python, LangChain, AutoGen, MCP, Claude Code, Cursor, GitHub Copilot, Aider, SIEM, EDR, SOAR
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2mo
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Principal/Sr. Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$109k-$197k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEU.S. citizen with active government security clearance (Secret; SAP). BS/MS/PhD in engineering with relevant years of experience (Principal: ~5+ yrs; Sr Principal: ~8+ yrs). Experience troubleshooting hardware/software/firmware, integration & test, and working collaboratively.
DOORS, Verification Cross Reference Matrices (VCRMs), Model Based Systems Engineering (MBSE), Cameo, MATLAB, C, C++, Java, Python
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Principal/Sr. Principal Systems Design Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEUS citizen with active security clearance (Secret/SAP), STEM degree plus relevant experience (Principal: ~5+ years; Sr Principal: ~8+ years), MBSE/DOORS experience, analytic and presentation skills, MATLAB/Python preferred.
Model Based Systems Engineering (MBSE), DOORS, Cameo, IBM Rational DOORS, Enterprise Architect, SysML, MATLAB, Python, ANSYS HFSS, CST Microwave Studio, Keysight ADS
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2d
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Principal Engineer, Architect for Integration, Engineering, and Security
Chicago, Illinois, United States
$161k-$218k/yr OnsiteFull Time
Advantage Solutions
Advantage SolutionsNASDAQ: ADV: Provides outsourced sales, merchandising, and marketing services to brands.
10+ YOEBachelor's degree and 10–12 years of relevant experience in integration or solution architecture, data design, software selection, security, and retail or consumer packaged goods processes.
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2mo
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Principal Forward Deployed Engineer
Bellevue or Chicago or San Francisco or Toronto
$269k-$369k/yr RemoteFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
10+ YOE10+ years in production software with distributed systems and identity; expertise in OAuth 2.0/OIDC/SAML, agent security, fine-grained authorization; proven AI hands-on; strong customer-facing authority; independent, founder’s mindset.
OAuth, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, MCP, A2A, ISO/IEC 42001, EU AI Act
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Principal Electrical Engineer
Lemont, Illinois, United States
$116k-$181k/yr OnsiteFull Time
Argonne National Laboratory
Argonne National Laboratory: Conducts scientific research and develops advanced energy technologies.
8+ YOERequires an electrical or computer engineering degree, 8+ years' experience, Python, embedded Linux, C/C++, electronics design, system integration, network protocols, security, CAD, and control systems expertise.
Python, JavaScript, R, C++, C, embedded Linux, make, shell scripting, TCP, UDP, I2C, UART, SPI, Microsoft?, GUI, CAD
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2mo
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Principal Mgr-Sales Engineer
Rolling Meadows, Illinois, United States
$99k-$172k/yr HybridFull Time
Verizon
VerizonNYSE: VZ: Provides wireless, fiber-optic internet, and telecommunications services globally.
6+ YOEBachelor's degree or 4+ years experience; 6+ years relevant experience; experience selling technical solutions; valid driver's license; pass Motor Vehicle Record check; willingness to travel.
Sales, Solution design, Network technologies, Security, Mobility
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2mo
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Principal Engineer - Cloud
Scottsdale or Chicago or San Francisco or New York City
$173k-$242k/yr HybridFull Time
Early Warning Services
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.
EC2, Lambda, S3, RDS, EKS, IAM, VPC, KMS, Terraform, Kubernetes, Linux, Prometheus, Grafana, ELK Stack, Splunk, AppDynamics, Python, Java, C#, Ruby, Shell
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2w
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Principal Engineer, Product Cybersecurity
Round Lake or Raleigh
$120k-$165k/yr HybridFull Time
Baxter
BaxterNew York Stock Exchange: BAX: Develops and manufactures medical devices, pharmaceuticals, and IV solutions.
5+ YOEBS with 5+ years or MS with 3+ years in relevant field; experience with threat modeling, penetration/fuzz testing, vulnerability scanning, and secure code analysis; familiarity with CWEs/CVEs and regulatory cybersecurity standards.
Blackduck, Coverity
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1mo
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Principal Cloud Engineer Azure
Chicago or New York or Florida or California or Texas
$112k-$209k/yr HybridFull Time
BMO
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++
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3d
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Principal Sys Security Eng - Real Time
Baltimore or Kennett Square or Houston or De Pere or Warrenville or Chicago
$136k-$151k/yr HybridFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
8+ YOERequires a bachelor's degree in information systems and 8 years of cybersecurity architecture and design experience, or 12 years without a degree, plus industrial control system security expertise.
Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), SCADA, TCP/IP, Dynamic Host Configuration Protocol (DHCP), Domain Name System (DNS)
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1mo
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Principal Cloud Engineer - DevOps/Infrastructure
Chicago, Illinois, United States
RemoteFull Time
Resultant
Resultant: Provides data analytics and technology consulting services to organizations.
12+ YOE12+ years cloud infrastructure experience with deep production ownership across AWS/GCP/Azure, expert Terraform and Kubernetes, CI/CD and scripting (Python/Bash/PowerShell), strong networking, security, and consulting/pre-sales experience.
AWS, Google Cloud, Azure, Terraform, Kubernetes, EKS, GKE, AKS, ECR, ACR, Artifact Registry, cloud-init, GitHub Actions, GitLab CI, Microsoft Azure DevOps, Jenkins, Python, Bash, PowerShell, ArgoCD, Flux, OPA, Sentinel, VMware, PrivateLink, Private Service Connect, Shared VPC
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2w
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Principal Cybersecurity Engineer
Chicago or Quincy or Salisbury
$109k-$188k/yr HybridFull Time
Ahold Delhaize USA
Ahold Delhaize USAEuronext Amsterdam: AD: Operates a portfolio of omnichannel grocery brands.
10+ YOE10+ years in cybersecurity, security engineering, and architecture; bachelor's degree or equivalent; cloud, IAM, SIEM, infrastructure-as-code, scripting, compliance, and executive communication expertise.
Azure, AWS, GCP, Python, PowerShell, Terraform, Bicep, SIEM, CI/CD, Agile, Kanban, Lean, HIPAA, PCI DSS, SOX
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1d
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Principal Data Engineer
Warrenville, Illinois, United States
$140k-$160k/yr OnsiteFull Time
Summit School Services
Summit School Services: Operates school bus and student transportation services for districts.
10+ YOE10+ years in data engineering and 2+ years designing enterprise Microsoft Fabric or advanced Azure Synapse/Databricks solutions; expert SQL, Python, Spark, Delta Lake, data modeling, security, and DevOps.
Microsoft Fabric, Power BI, OneLake, Dataflow Gen2, Data Factory Pipelines, DirectLake, DirectQuery, DAX, Microsoft Entra ID, Microsoft Purview, SQL, KQL, Azure Data, Azure Synapse, Databricks, Apache Spark, PySpark, Delta Lake, Pandas, Polars, Fabric Git integration, Azure DevOps, GitHub Actions, Terraform
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2d
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Senior Principal Architect, Cyber Defense Engineering
Chicago, Illinois, United States
$188k-$313k/yr HybridFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
15+ YOE15+ years in cybersecurity architecture or security engineering; expertise in enterprise security architecture, cloud security, DSPM, ZTNA, EDR, SIEM, AI security, Python or Go; bachelor's degree required.
Data Security Posture Management (DSPM), Zero Trust Network Access (ZTNA), AWS, GCP, Wiz DSPM, CNAPP, Azure, CrowdStrike Falcon, Microsoft Defender for Endpoint, LLM, MCP, SIEM, SOAR, Splunk, Python, Go, Terraform, Harness, Kubernetes, HSA, FSA, 401(k), Employee Stock Purchase Plan (ESPP)
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Principal Software Engineer - FDE
United States or Redmond or Mountain View or Austin or Houston or Chicago or Cambridge or New York City or Atlanta
$143k-$275k/yr RemoteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
6+ YOEBachelor's degree in computer science or related technical field and 6+ years of coding experience, or equivalent experience. Requires secure system design expertise and coding in C, C++, C#, Java, JavaScript, or Python.
C, C++, C#, Java, JavaScript, Python, CI/CD, Azure ML, OpenAI
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