Infrastructure & Security Engineer
<p>Our client is seeking an experienced <strong>Infrastructure Security Engineer</strong> 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.</p><p><br></p><p><strong>Key Responsibilities</strong></p><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>
<p><strong>Required Qualifications</strong></p><ul><li>5+ years of experience in infrastructure engineering, systems administration, network engineering, cybersecurity, or a related role. Based on general knowledge.</li><li>Strong hands-on experience with traditional server and network infrastructure, including Windows Server, virtualization, networking, firewalls, and enterprise environments. Based on general knowledge.</li><li>Experience administering and supporting security technologies such as SIEM, EDR, MFA, vulnerability scanning, email security, and log monitoring tools. Based on general knowledge.</li><li>Experience working within Microsoft environments, including Active Directory, Azure, Microsoft 365, Entra ID/Azure AD, Intune, and related services. Based on general knowledge.</li><li>Understanding of hybrid infrastructure security principles and cloud security best practices. Based on general knowledge.</li><li>Ability to monitor, analyze, and respond to security and infrastructure events in a fast-paced environment. Based on general knowledge.</li><li>Strong troubleshooting, documentation, and cross-functional communication skills. Based on general knowledge.</li></ul><p><strong>Preferred Qualifications</strong></p><ul><li>Experience supporting cloud transformation or migration initiatives from on-premises to Azure or other cloud platforms. Based on general knowledge.</li><li>Familiarity with zero trust concepts, identity security, conditional access, and security baselines within Microsoft environments. Based on general knowledge.</li><li>Exposure to compliance frameworks, audit support, and security governance practices. Based on general knowledge.</li><li>Relevant certifications such as Security+, CISSP, Microsoft security certifications, Azure certifications, or similar are a plus. Based on general knowledge.</li></ul>
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- Naperville, IL
- onsite
- Permanent / Full Time
-
120000 - 148000 USD / Yearly
- <p>Our client is seeking an experienced <strong>Infrastructure Security Engineer</strong> 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.</p><p><br></p><p><strong>Key Responsibilities</strong></p><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