Buffalo Grove • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Buffalo Grove • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Buffalo Grove • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Buffalo Grove • 50 milesRemote · Hybrid · Onsite · Field · All Environments
31 principal security engineer jobs at 18 companies in Buffalo Grove, IL
5d
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Sr Principal System Security Engineer
Rolling Meadows, Illinois, United States
$136k-$204k/yr OnsiteFull Time
8+ YOEBachelor’s in STEM with 8 years, master’s with 6, or PhD with 4; 2+ years DoD systems engineering and security experience; US citizenship; ability to obtain Secret clearance.
JSIG, DAAPM, NIST 800-53, CNSSI 1253, DODI 5200.39, Plan of Actions and Milestones (POA&M), Security Test and Evaluation (ST&E), EO/IR, RFEW
5d
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Sr Principal System Security Engineer
Rolling Meadows, Illinois, United States
$136k-$204k/yr OnsiteFull Time
8+ YOEBachelor's with 8 years, master's with 6, or PhD with 4 years in STEM; DoD systems engineering, security development, integration/testing experience; US citizenship and ability to obtain Secret clearance.
JSIG, DAAPM, NIST 800-53, CNSSI 1253, DODI 5200.39, POA&M
1w
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Principal Engineer, Architect for Integration, Engineering, and Security
Chicago, Illinois, United States
OnsiteFull Time
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
1mo
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Principal Information Security Engineer
Rosemont, Illinois, United States
$138k-$173k/yr OnsiteFull Time
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
1mo
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Principal Agentic AI Security Engineer
North Chicago, Illinois, United States
$142k-$269k/yr HybridFull Time
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
1w
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Principal Engineer, Architect for Integration, Engineering, and Security
Chicago, Illinois, United States
$161k-$218k/yr OnsiteFull Time
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.
2mo
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Principal Forward Deployed Engineer
Bellevue or Chicago or San Francisco or Toronto
$269k-$369k/yr RemoteFull Time
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
2w
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Principal Electrical Engineer
Lemont, Illinois, United States
$116k-$181k/yr OnsiteFull Time
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
3mo
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Principal Mgr-Sales Engineer
Rolling Meadows, Illinois, United States
$99k-$172k/yr HybridFull Time
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
2mo
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Principal Engineer - Cloud
Scottsdale or Chicago or San Francisco or New York City
$173k-$242k/yr HybridFull Time
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
3w
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Principal Engineer, Product Cybersecurity
Round Lake or Raleigh
$120k-$165k/yr HybridFull Time
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
1mo
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Principal Cloud Engineer Azure
Chicago or New York or Florida or California or Texas
$112k-$209k/yr HybridFull Time
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++
3w
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Principal Cybersecurity Engineer
Chicago or Quincy or Salisbury
$109k-$188k/yr HybridFull Time
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
2mo
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Principal Cloud Engineer - DevOps/Infrastructure
Chicago, Illinois, United States
RemoteFull Time
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
1w
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Senior Principal Architect, Cyber Defense Engineering
Chicago, Illinois, United States
$188k-$313k/yr HybridFull Time
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)
2w
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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
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
2mo
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Chief Principal Software Engineer- Cloud
Greenville or Remote or Remote
$119k-$204k/yr HybridFull Time
8+ YOE8+ years backend cloud software development; Azure cloud; C#/.NET; IoT/cloud data platforms; containerization; CI/CD; security and observability.
Azure, C#, NET Core, Docker, Kubernetes, Terraform, GitHub Actions, Event Grid, Event Hub, Azure Functions, CosmosDB, Redis, Azure Monitor, Application Insights
2mo
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Principal Software Development Engineer, Digital Assets & Web3
New York City or Chicago or Lithuania
$280k-$310k/yr HybridFull Time
8+ YOE8+ years building production systems in regulated financial environments; hands-on with TypeScript, Java, JavaScript, Spring Boot, Node.js, NestJS, Kafka, Web3 integrations, OpenTelemetry, CI/CD, and secure distributed systems.
TypeScript, Java, JavaScript, Spring Boot, Node.js, NestJS, Web3.js, Ethers.js, WebJ, Apache Kafka, OpenTelemetry, CI/CD
1mo
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Principal Payment Tech Development Manager
Riverwoods, Illinois, United States
$138k-$158k/yr OnsiteFull Time
5+ YOEHS/GED required; 5+ years payment technology R&D; 2+ years partnering with business clients; EMV experience preferred; B.S./M.S. in engineering/CS preferred; ability to define functional and security requirements and manage vendor relationships.
EMV, D-PAS, L2 tools
3w
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Principal AI Infrastructure Architect
Chicago or United States
$190k-$265k/yr RemoteFull Time
10+ YOE10+ years building production cloud or platform systems, 5+ years with AWS, strong infrastructure-as-code and automation skills, experience with secure model access, telemetry, and governance.
Amazon Bedrock, AWS, Temporal, MCP
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