> Markdown version of [/jobs/ext/2083547-365-admin-and-help-desk-manager](https://www.wearedevelopers.com/jobs/ext/2083547-365-admin-and-help-desk-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # 365 Admin and Help Desk Manager - **Company:** Three Saints Bay, Llc - **Location:** Manassas, VA, United States - **Experience:** Experienced - **Salary:** $100,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Data Analysis, Android Software Development, Apple IOS, Apple Mac Systems, Microsoft Azure, Microsoft Online Services, Cyber Security, Information Leak Prevention, Multi-Factor Authentication, Monitoring of Systems, Identity and Access Management, Issue Tracking Systems, Information Technology Operations, Information Systems Security Architecture Professional, Microsoft Security Essentials, Microsoft Office, Power BI, Azure Active Directory, Cloud Services, Zero Trust Network Access, Microsoft SharePoint, Security Information and Event Management, Software Deployment, Software Vulnerability Management, EndPointSecurity, Information Security Management System, Microsoft Power Automate, Microsoft InTune, Information Technology, Deployment Automation, Cybercrime, Microsoft Sentinel, CIS Benchmarks, Plan of Action and Milestones - **Published:** August 16, 2026 - **Apply:** https://www.juju.com/job/00000000gnd40l ## About the Role + Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field (or equivalent experience). + 7+ years of progressive IT experience, including 4+ years in a managerial or supervisory role. + 5+ years of hands-on expertise administering **Microsoft 365** environments (E3/E5 preferred), with deep proficiency in: + **SharePoint** Online (site management, permissions, governance). + **Intune** (device management, compliance, Autopilot). + **Microsoft Defender** suite. + **Microsoft Sentinel** (SIEM/SOAR capabilities). + Proven experience implementing and maintaining compliance with **NIST SP 800-171** and **CMMC** frameworks (e.g., control mapping, self-assessments, remediation, or certification preparation). + Strong background in managing a **help desk** or service desk team, including ticketing systems, SLAs, end-user troubleshooting, and customer service excellence. + Experience with Microsoft Entra ID (Azure AD), conditional access policies, identity governance, and security baselines. Preferred Qualifications + Relevant certifications such as: + Microsoft Certified: Azure Administrator Associate, Microsoft 365 Security Administrator, or equivalent. + Microsoft Certified: Endpoint Administrator Associate. + Certified Information Systems Security Professional (CISSP), CMMC Registered Practitioner (RP), or similar. + Experience in regulated environments (e.g., DoD contractors, federal contractors, defense industrial base). + Familiarity with Microsoft Purview, Power Automate, or Power BI for reporting/compliance. + Knowledge of hybrid environments, Azure Government/GCC High (if applicable). ## Description Three Saints Bay, LLC.a government contracting industry leader, isseeking an experienced **365 Admin and Help Desk Manager** to lead our IT operations with a strong focus on Microsoft 365 cloud ecosystem, endpoint management, security operations, and compliance with **CMMC** (Cybersecurity Maturity Model Certification) and **NIST SP 800-171** requirements. This is a hybrid position reporting into either our Manassas, VA office or our Charleston, SC office. The ideal candidate will oversee the administration and optimization of Microsoft Cloud tools while managing a help desk team to deliver efficient end-user support and troubleshooting. This role combines strategic leadership, technical expertise in Microsoft security and productivity solutions, and hands-on involvement in compliance and incident response for a secure, efficient IT environment (particularly suitable for organizations handling Controlled Unclassified Information (CUI) or working with DoD/federal requirements). Key Responsibilities + Lead the administration, configuration, and optimization of **Microsoft 365** (M365) environments, including Exchange Online, Teams, OneDrive, **SharePoint** Online, and related services. + Manage **Microsoft Intune** (Endpoint Manager) for device enrollment, compliance policies, configuration profiles, application deployment, Autopilot provisioning, security baselines, and endpoint security across Windows, iOS, Android, and macOS devices. + Oversee **Microsoft Defender** (including Defender for Endpoint, Defender for Office 365, Defender for Identity) for threat protection, vulnerability management, and incident response. + Administer **Microsoft Sentinel** for security information and event management (SIEM), threat hunting, analytics, and automated response workflows. + Ensure the organization's IT systems and processes comply with **NIST SP 800-171** controls and **CMMC Level 2** (or higher) requirements, including policy development, control implementation, gap analysis, audit preparation, System Security Plan (SSP) maintenance, and Plan of Action & Milestones (POA&M) tracking. + Manage and mentor the **help desk/support team** , including staffing, training, performance management, shift scheduling, and escalation processes. + Provide advanced troubleshooting and resolution for end-user issues related to M365 applications, device management, security alerts, access problems, and general IT incidents. + Develop and enforce IT policies, procedures, and best practices aligned with zero-trust principles, conditional access, multi-factor authentication (MFA), data loss prevention (DLP), and compliance frameworks. + Monitor system performance, security posture, and compliance metrics; generate reports for leadership and auditors. ## Related Videos - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [Fighting the Next Wave of Cybercrime](https://www.wearedevelopers.com/videos/100331-fighting-the-next-wave-of-cybercrime) - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [Deep Fakes: The Lies We Can’t See](https://www.wearedevelopers.com/videos/1187-deep-fakes-the-lies-we-can-t-see) - [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Events like RSAC Get You CISOs. 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