Senior Microsoft 365 Security Analyst

Location: Bethany
Posted on: June 23, 2025

Job Description:

The Senior Microsoft 365 Engineer will act as a subject matter expert and thought leader in driving innovation, collaboration, and security using the Microsoft ecosystem. This position is a hybrid work environment with at least 2 days presence at the headquarters office in Bethany, CT, during regular operating hours and may involve after-hours work. The candidate will design, implement, and maintain scalable, secure, and high-performing Microsoft 365 environments tailored to meet the diverse needs of the enterprise. This role combines a high level of technical expertise with strong organizational and project management skills, ensuring secure and efficient solutions while maintaining a customer-focused attitude. ESSESNTIAL DUTIES AND RESPONSIBILITIES Additional duties and responsibilities may be assigned. Solution Design and Implementation (30%) Design and implement Microsoft 365 solutions, including SharePoint Online, Teams, and OneDrive, to enhance collaboration and productivity. Architect and deploy Zero Trust security models in alignment with modern cybersecurity best practices. Develop custom workflows and business process automation solutions using Power Automate and the Microsoft Power Platform. Migration and Optimization (25%) Plan, execute, and oversee migrations from on-premises or third-party platforms to Microsoft 365, ensuring minimal disruption and downtime. Conduct pre-migration assessments and readiness workshops to identify challenges and opportunities. Optimize post-migration environments for performance, scalability, and user adoption. Security and Compliance (25%) Implement and manage Microsoft 365 security solutions, including Microsoft Defender for Office 365, Azure AD Conditional Access, Information Protection, and Compliance Center. Ensure compliance with industry standards and regulatory requirements such as GDPR, CCPA, and HIPAA through effective policy design. Monitor and respond to security incidents leveraging tools like Microsoft Sentinel. Leadership and Training (20%) Act as the technical lead for cross-functional teams during deployments and escalations. Provide technical mentorship and training to junior team members and stakeholders. Assist in developing best practices and governance policies for Microsoft 365 services. Stay ahead of Microsoft 365 updates, emerging technologies, and industry trends to identify opportunities for enhancement. REQUIRED SKILLS & QUALIFICATIONS To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skills, and abilities required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Education and Experience: Required: 5 years of experience in IT, with a focus on Microsoft 365 solutions and cloud services. Required: Expertise in SharePoint Online architecture, including site collections, hubs, and permissions management. Required: Proven experience planning and executing Microsoft 365 migrations, particularly with hybrid and large-scale environments. Required: Proficiency in designing and deploying Power Automate workflows for business process automation. Required: Strong knowledge of Microsoft 365 Zero Trust principles, including Conditional Access, MFA, and Identity Protection. Required: Hands-on experience with Microsoft Security tools, such as Defender, Sentinel, and Endpoint Manager. Preferred: Certifications such as Microsoft Certified: Enterprise Administrator Expert, Microsoft Certified: Security, Compliance, and Identity Fundamentals, or similar. Preferred: Advanced scripting abilities using PowerShell for Microsoft 365 management and automation. Preferred: Familiarity with adjacent platforms such as Azure AD, Microsoft Dynamics, or other enterprise tools. Preferred: Exceptional communication skills to effectively convey technical concepts to non-technical stakeholders. Specialized Skills and Experience: Analytical and problem-solving mindset with a focus on delivering secure, reliable, and efficient solutions. Strong organizational and project management skills, capable of handling multiple priorities in fast-paced environments. Demonstrated ability to act as a collaborative and customer-focused team member committed to delivering exceptional client outcomes. Ability to document technical designs, configurations, and processes to improve knowledge sharing and operational efficiency. Travel Requirements and Work Schedule: Minimal travel required. Must have or be able to obtain a passport. Work at nights and on weekends when needed Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services. Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Keywords: , Portland , Senior Microsoft 365 Security Analyst, IT / Software / Systems , Bethany, Maine