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2 results for Cybersecurity in Chicago, IL

Data Security Analyst

Chicago, IL
onsite
Temporary / Contract
79.1635 - 91.663 USD / Hourly
We are looking for a Data Security Analyst to support and strengthen email and messaging security operations for a Contract position based in Chicago, Illinois. This role focuses on protecting the organization from phishing, malware, impersonation, and other email-borne threats while improving the reliability and security of mail delivery. The ideal candidate brings deep experience with Proofpoint, hybrid messaging environments, and user-focused security practices, along with the ability to communicate clearly across technical and non-technical teams. Responsibilities: • Investigate and resolve complex email security and delivery issues, including routing failures, encryption challenges, quarantine events, and user-reported security concerns. • Review dashboards, system logs, and alert activity to identify and respond to phishing attempts, malware incidents, spoofing, and impersonation threats. • Administer and optimize Proofpoint Essentials and related integrations to maintain strong protection across the messaging environment. • Configure and maintain email security controls, including encryption settings, policy rules, and quarantine management processes. • Lead initiatives involving Proofpoint enhancements, platform updates, and rollout of new security capabilities. • Develop clear guidance and training materials for IT teams and end users on secure email practices and available protection tools. • Support security awareness efforts by helping manage phishing simulation activities and user education programs. • Collaborate with broader security operations by connecting email security insights with SIEM platforms and other enterprise security tools where applicable.
2026-06-17T00:00:00Z

Infrastructure & Security Engineer

Naperville, IL
onsite
Permanent / Full Time
120000 - 148000 USD / Yearly
Our client is seeking an experienced Infrastructure Security Engineer to support and secure a hybrid Microsoft environment spanning both on-premises and cloud platforms. This role is ideal for a hands-on professional with deep experience across traditional server and network infrastructure, along with responsibility for enterprise security tooling, threat monitoring, and ongoing security operations. The organization is currently in a hybrid state and actively transforming to a more cloud-centric environment, so this individual will play a key role in both day-to-day operational security and longer-term modernization efforts. Based on general knowledge. Key Responsibilities<ul><li>Manage and secure core infrastructure, including servers, networks, firewalls, switches, VPNs, and related systems in a hybrid on-premises and cloud environment. Based on general knowledge.</li><li>Administer, maintain, and optimize security tools such as endpoint protection, vulnerability management, SIEM, email security, identity and access management, and monitoring platforms. Based on general knowledge.</li><li>Monitor infrastructure and security events, investigate alerts, respond to incidents, and support remediation efforts. Based on general knowledge.</li><li>Partner with infrastructure and leadership teams to strengthen security controls across Microsoft technologies, including Active Directory, Azure, Microsoft 365, and related platforms. Based on general knowledge.</li><li>Support the company’s transition from traditional on-premises infrastructure to cloud-based solutions by helping design and implement secure architectures and best practices. Based on general knowledge.</li><li>Perform vulnerability assessments, patch management coordination, system hardening, and access reviews across servers, endpoints, and network devices. Based on general knowledge.</li><li>Develop and maintain security documentation, standards, procedures, and incident response processes. Based on general knowledge.</li><li>Assist with compliance, audit readiness, and security improvement initiatives. Based on general knowledge.</li><li>Collaborate with internal teams and third-party vendors to ensure reliable infrastructure performance and effective security coverage. Based on general knowledge.</li></ul>
2026-06-04T00:00:00Z