Security Engineer jobs in Illinois

Chicago, Illinois

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Today

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview The SOAR Development team designs and delivers automation capabilities that strengthen Security Operations Center response and reduce manual effort for security analysts. The team works across security operations, detection engineering, and supporting technology teams to build scalable, AI-driven security solutions within a global and distributed environment. This role reports to Informat

Sponsored

Full-time

USD 112,500.00 - 187,500.00 per year

Senior Application Security Engineer

Remote

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Today

About Upstart At Upstart, we're united by a mission that matters: to radically reduce the cost and complexity of borrowing for all Americans. Every day, we bring creativity, experimentation, and advanced AI to reshape access to credit, helping millions move forward financially with clarity and confidence. As the leading AI lending marketplace, we partner with banks and credit unions to expand access to affordable credit through technology that's both radically intelligent and deeply human. Our

Full-time

USD 166,900.00 - 230,900.00 per year

Staff/Lead Security Engineer - PAM

Chicago, Illinois

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Today

The primary responsibility of the Staff/Lead Security Engineer position will be the continued evolution and advancement of our Privileged Account Management (PAM) program. This includes improvements in both infrastructure, such as driving the adoption of CyberArk/Idira ISPSS and Privileged Cloud, and working to identify opportunities to increase compliance with our standards through better management and usage of our account inventory. This is a multifaceted position that requires engineering, s

Full-time

USD 132,100.00 - 220,100.00 per year

Application Security Engineer / Senior Application Security Engineer / AI Application Security Engineer

Remote

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Today

Job Overview We are seeking a Senior Application Security Engineer with strong hands-on software engineering experience and deep expertise in Application Security, Python automation, AI/ML, LLMs, and Agentic AI. The ideal candidate is a hands-on engineer who has shipped production code and can build security automation, tooling, and reusable workflows. Experience with Claude Code, AI agents, MCP integrations, prompt injection, OWASP LLM Top 10, and agent security is highly desirable. Key Respons

Easy Apply

Full-time, Third Party

$160,000 - $200,000

Senior Azure Cloud Security Engineer

Remote

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Today

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for a Senior Azure Cloud Security Engineer for one of our clients in Remote Job Title: Senior Azure Cloud Security Engineer Location: Remote Duration: Long-term contract Position Overview We are seeking an experienced

Easy Apply

Contract, Third Party

$60 - $65

AI Security Engineer - Remote / Telecommute

Bolingbrook, Illinois

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Today

We are looking for AI Security Engineer - Remote / Telecommute for our client in Bolingbrook, ILJob Title: AI Security Engineer - Remote / Telecommute Job Location: Bolingbrook, IL Job Type: Contract Job Overview: Pay Range: $40.00hr - $45.00hr Requirement/Must Have: 3+ years in security engineering, cloud engineering, or ML engineering, with direct hands-on exposure to AI/ML or LLM-based systems.Proficiency in Python and experience with ML/LLM frameworks (e.g., LangChain, Hugging Face, TensorFl

Easy Apply

Third Party, Contract

Depends on Experience

Okta IAM Security Engineer

Remote

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Today

Job Title: Okta IAM Security Engineer Location: Remote System One is seeking an Okta IAM Security Engineer for a long-term remote opportunity. Ideal candidates will have hands-on experience with Okta, Identity Governance, SSO, MFA, application integrations, IAM automation, and Privileged Access Management (PAM) in an enterprise environment. This is a technical, hands-on role focused on engineering and optimizing Okta solutions, identity lifecycle management, access governance, and secure identi

Easy Apply

Contract

$45

Security Engineer with Zscaler - Remote

Remote

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Today

Role: Senior Security Engineer Location: Remote Key Responsibilities Provide hands-on Zscaler engineering and operational support, across Zscaler Internet Access and Private Access and related Zero Trust capabilities. Troubleshoot Zscaler connectivity, authentication, application access, traffic inspection and user access issues. Review the existing Zscaler architecture and configuration, document current state and identify configuration, resiliency and operational gaps. Support IAM/IGA, ac

Easy Apply

Contract, Third Party

Depends on Experience

Security Engineer

Chicago, Illinois

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Today

Job#: 3045191 Job Description: Application Security Engineer Bot Detection and Routing Location: Chicago, Denver, Charlotte or Washington DC Required onsite 5x a week Overview We are seeking an experienced Application Security Engineer to support the detection, analysis, and mitigation of automated bot traffic across enterprise web applications. This role will focus on web application security, traffic routing, load balancing, and content delivery optimization, working across technologies such

Easy Apply

Full-time

$65 - $80 per hour

Lead Information Security Engineer

Remote or Almont, Colorado

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Today

Description: Remote Our client seeks a Lead Information Security Engineer to implement, operate, and improve an LLM-based code vulnerability detection and reporting capability. The role delivers the scanner, evaluation harness, and CI/CD pipelines, then transitions to ongoing operations including patching, tuning, feature development, and support. The position participates in a four-person rotating 24/7 coverage schedule with most time dedicated to engineering and feature work. Triage and reme

Contract

Security engineer

Hybrid in Chicago, Illinois

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5d ago

Position: Security EngineerLocation: 2 days a week onsite minimumKey ResponsibilitiesSecurity Engineering & ArchitectureDesign, implement, and maintain technical security controls across infrastructure, cloud, SaaS, and endpoint platforms.Evaluate emerging technologies, security capabilities, and vendor solutions.Provide security consultation and design reviews for new projects and technology initiatives.Collaborate with engineering teams to integrate security requirements into technology deploy

Easy Apply

Contract

Depends on Experience

Information Security Engineer IV (Code Security Engineer)

Remote or Cincinnati, Ohio

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Today

Role: Information Security Engineer IV Location: Remote Role Summary Looking for an Information Security Engineer with strong GenAI/LLM, AWS, DevOps, and application security experience to build and support an LLM-based code vulnerability detection and reporting platform. Must Have Skills 1+ year GenAI/LLM development experience AWS Bedrock or equivalent hosted LLM platform Security / Application Security Terraform / Infrastructure as Code Jenkins & GitHub CI/CD pipelines SAST/SCA and co

Contract

USD70.0/HOURLY - USD75.0/HOURLY

Senior Information Security Engineer

Remote or Almont, Colorado

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Today

Description: Remote Our client seeks a Senior Information Security Engineer to operate and maintain an LLM-based code vulnerability detection and reporting capability. The role will focus on day-to-day run activities, including monitoring, executing runbooks, patching, and resolving defects in the deployed scanner and its pipelines. The position will contribute to build and feature work under direction from Lead and Principal Engineers. This role participates in a four-person rotation to suppo

Contract

Security Engineer - M365/Okta/Splunk

Remote

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Today

Security Engineer - M365/Okta/Splunk Remote Contract Job Summary: We are looking for a hands-on Security Engineer with strong experience in Microsoft 365 security, Okta, and Splunk. The resource will support identity and access security, security monitoring, troubleshooting, and investigation of access-related issues. Key Skills: Strong hands-on experience with Microsoft 365 and Entra ID (Azure AD)Experience configuring and troubleshooting Conditional Access policiesHands-on Okta experience, i

Easy Apply

Contract

Depends on Experience

Azure Security Engineer // Chicago, IL

Chicago, Illinois

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Today

We have an immediate opportunity with one of our clients. Please find the below job description and if you are interested, please forward your resume to . You can also reach me at . My apologies in advance if I have contacted you in error, please ignore this email. Position: Azure Security Engineer Location: Chicago, IL Duration long-term Job Description: The Azure Security Engineer is responsible for securing, administering, and maintaining the RRB Microsoft Azure environment. The role focus

Easy Apply

Third Party, Contract

IT Infrastructure and Security Engineer

Naperville, Illinois

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Today

Job#: 3040903 Job Description: IT Infrastructure and Security Engineer Location: Naperville, Illinois (Hybrid) Role Overview This position is a hybrid role responsible for implementing and managing core technology infrastructure while ensuring the organization is protected against cyber threats. The IT Infrastructure and Security Engineer will balance IT infrastructure operations and cybersecurity responsibilities, serving as a primary technical resource for server, virtualization, cloud, net

Easy Apply

Full-time

$120,000 - $150,000

Senior Network Security Engineer

Hybrid in Chicago, Illinois

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26d ago

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Financial Institution is currently seeking a Senior Network Security Engineer with strong Cisco and Palo Alto experience. Candidate will have deep expertise in Palo Alto firewalls, including design, deployment, migration, and ongoing optimization of security policies in complex enterprise environments. The engineer will partner across infrastructure teams to ensure secure, highly available connectiv

Easy Apply

Full-time

Depends on Experience

Physical Security Design Engineer

Remote

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Today

A professional organization is seeking a Physical Security Design Engineer for a remote role This position focuses on creating detailed physical security drawings and documentation for internal security projects, with occasional onsite visits as needed. About the Opportunity: Schedule: Monday through Friday Hours: Standard business Setting: Remote (EST or CST) Responsibilities: Create and maintain security system drawings using AutoCAD and Revit Develop detailed layouts for access control, CCTV

Easy Apply

Contract

$40 - $40 per hour

Lead Cloud Security Engineer

Hybrid in Chicago, Illinois

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19d ago

Hybrid, 3 days onsite, 2 days remote We are unable to sponsor as this is a permanent full-time role Location: Chicago, IL or Dallas, TX A financial firm is looking for a Lead Cloud Security Engineer. The engineer will focus on security engineering, AWS cloud security, IAM architecture, DevSecOps, CyberArk/Hashicorp, Active Directory, PAM, etc. Responsibilities: Maintain Hybrid Infrastructure Integrity Ensure the operational integrity of cloud and on-premises infrastructure throughout its lifecy

Easy Apply

Full-time

$180,000 - $200,000

Network Security Engineer- Guardicore

Remote

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Yesterday

Job Summary We are seeking a Microsegmentation / Network Security Engineer with hands-on experience in Guardicore Microsegmentation, Palo Alto, and/or Check Point firewalls. The ideal candidate will have strong networking fundamentals, experience designing and implementing network security controls, and the ability to support Zero Trust and microsegmentation initiatives across enterprise environments. Key Responsibilities Gather and analyze network and security requirements from application, in

Easy Apply

Full-time

Depends on Experience

Principal Product and Application Security Engineer / Founding Engineer

Remote

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Today

A GPU cloud computing startup, revolutionizing the computing landscape, is looking to hire a Principal Product and Application Security Engineer to join their team as a founding engineer. This startup has hit a $1B valuation, closed their Series A funding, and has been around for 4 years. They're looking to bring on their first AppSec hire to build out their security environment from the ground up. Candidates must hve strong appsec and leadership experience, a desire to work in a fast-paced star

Easy Apply

Full-time

$160000 - $225000

Security Engineer jobs in Illinois, USA