Senior Microsoft O365 Security Engineer & Subject Matter Expert-- Remote (Washington, DC)

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Protos IT, is seeking the following. Apply via Dice today! Title: Senior Microsoft O365 Security Engineer & Subject Matter Expert (SME) Work Location: Washington, DC or Hybrid (1 day per week onsite/remote) - Potentially remote eligible pending customer approval. duration: 6 months, possible extn. Education & Experience: Bachelor of Science degree in Information Technology, Computer Science, or Engineering-related discipline and 10 years of prior relevant experience. Senior Microsoft O365 Security Engineer & Subject Matter Expert (SME) to design and manage the implementation of Microsoft O365 security solutions across IT/OT environments. The M365 Security Engineer will provide the ISD with specialized expertise in configuring and deploying Microsoft 365 applications for securing the infrastructure and will be responsible for security configurations, compliance, identity and access management, and incident response across the Microsoft 365 ecosystem. Primary Responsibilities Provide strategic guidance, oversight and technical leadership for the organization s M365 application deployment across IT/OT environments Implement and manage security solutions and compliance controls across the multi-tenant M365 ecosystem (MS Defender, Purview, Entra, Intune, One Drive, SharePoint, Teams) Provide technical oversight and SME to MS Defender (EDR & Email Security), Purview (DLP & Compliance and Governance) activities and initiatives Develop and implement strategies to MS Defender and Purview across on-Premise and Cloud environments (Azure & AWS) Architect, design, and enhance MS Defender and Purview solutions and technologies Perform risk assessments to identify gaps in MS Defender and Purview coverage Research latest trends and threats in MS Defender and Purview and evasion techniques Detailed understanding of M365 security products and tools Interface with division stakeholders and facilitate technical working group/interchange meetings Develop technical artifacts as part of M365 application deployment (requirements, architecture, test plan/scripts, implementation plans) Collaborate with cross-functional teams to include Program/Project Management, M365 administrators, Data Center team, End User team, Security Engineering team, Security Operations Center (SOC), Compliance, and System Owners in the design and implementation of M365 security solutions Apply systems & software development lifecycle in the development of design, test, and implementation artifacts Coordinate with vendors and conduct analysis of alternatives (AoA) in evaluating M365 security solutions, controls and support Proof of Concept implementations Develop scope, cost estimates, and implementation schedules for the deployment of M365 applications Participate in the business continuity and Information Technology Disaster Recovery planning Basic Qualifications Ability to obtain Public Trust clearance 10+ years of experience providing technical leadership, guidance, and oversight for M365 security administration & deployments, security controls/compliance, telemetry, automation, and optimization Strong hands-on experience designing and implementing end-to-end M365 security solutions across on-premises, hybrid, and cloud IT/OT environments Possess strong technical knowledge of the M365 security architecture and security tools to include MS Defender, Purview, Entra, Intune, Sentinel, SharePoint, Teams Experience utilizing MS Purview for data governance, DLP policy implementation, and eDiscovery Experience utilizing MS Intune for GPO policy management Experience deploying and managing MS Defender for threat protection Experience configuring Entra ID for identity and access management Experience with O365 integration, Azure AD, cloud services and security Understanding of compliance requirements and security frameworks (NIST, ISO 27001, SOC2) Proficiency in documenting and maintaining technical reports, procedures, architecture diagrams, and other relevant artifacts Knowledge of threat vectors, vulnerabilities, risk assessment, and incident detection and response as part implementing M365 security controls Ability to deliver formal presentations to the customer and stakeholders Proven ability to work independently and as part of a collaborative environment Excellent analytical, problem-solving, verbal and communications skills Proficiency in PowerShell Microsoft 365 administrator certifications such as MS-102, MS-900.