IT Infrastructure Engineer

Overview

Design, deploy, manage & secure on-prem & Azure infrastructure and Microsoft security solutions.

Key Responsibilities

• infrastructure design
• security incident
• azure infrastructure
• active directory
• defender suite
• sentinel siem

Tasks

-Provide technical expertise and support to other IT staff and end-users on infrastructure and security-related matters. -Respond to security incidents, perform root cause analysis, and implement corrective actions.\ -Respond to and implement changes/improvements based on security assessments, vulnerability scanning, and penetration testing results. -Lead projects with other Infrastructure staff as support. -Participate in on-call support for critical infrastructure and security support, if applicable. -Implement solutions that incorporate backup, disaster recovery, and business continuity principals. -Design, deploy, manage, and maintain on-premises and cloud-based (Azure preferred) infrastructure components, including servers (Windows Server), virtualization platforms, storage, and networking equipment. -Ensure the reliability, availability, and performance of critical IT systems through monitoring, maintenance, and troubleshooting. -Administer and maintain Active Directory / Microsoft Entra ID environments, including identity lifecycle and conditional access. -Configure, manage, and optimize the Microsoft Defender suite (including Defender for Endpoint, Defender for Identity, Defender for Cloud Apps, Defender Vulnerability Management) to protect endpoints, identities, and cloud resources. -Active participation in Infrastructure projects, including project management of small to medium-sized projects. -Create and maintain comprehensive documentation for infrastructure design, security configurations, and operational procedures. -Operate and maintain Microsoft Sentinel (SIEM/SOAR) for security monitoring, threat detection, analysis, and incident response. Develop and tune detection rules, analytics, and response playbooks. -Act as support on Infrastructure projects led by other team members. -Introduce ideas and advocate for improvement of Infrastructure team’s processes

Requirements

• microsoft sentinel
• powershell
• azure
• defender
• sc-200
• 5+ years

What You Bring

-Microsoft Sentinel: Experience with log ingestion, KQL query writing, analytics rule creation, incident investigation, and SOAR playbook development/management. -Familiarity with compliance frameworks (e.g., NIST, ISO 27001, GDPR). -Experience with scripting languages, particularly PowerShell, for automation and administration. -Ability to work independently and as part of a team in a fast-paced environment. -5+ years of experience in IT infrastructure engineering/administration, including hands-on experience with Windows Server, Active Directory/Entra ID, networking (TCP/IP, DNS, DHCP, VPNs, Firewalls, routing, switching), and virtualization. -Strong communication and interpersonal skills, with the ability to explain complex technical concepts to diverse audiences. -Relevant industry certifications (e.g., Microsoft Certified: Security Operations Analyst Associate (SC-200), Microsoft Certified: Identity and Access Administrator Associate (SC-300), Microsoft Certified: Azure Security Engineer Associate (AZ-500), Microsoft 365 Certified: Security Administrator Associate (MS-500), CompTIA Security+, CISSP). -Microsoft Defender Suite: Demonstrable experience with configuration, policy management, and alert triage across various Defender components (Endpoint, Identity, etc.). -Proven, hands-on experience implementing and managing security solutions within the Microsoft ecosystem, specifically: -Excellent troubleshooting, analytical, and problem-solving skills. -Experience with Microsoft Azure IaaS and PaaS services. -Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field, OR equivalent practical experience. -Strong understanding of core information security principles (e.g., least privilege, defense-in-depth, privileged identity management, privileged access management, incident response lifecycle).

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About Perkins&Will

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