M365 Engineer; Cloud Engineer

Senior M365 Engineer (GCCH Experience, Collaboration Technologies, and MS Purview Expertise)

Mission Technologies, a division of HII, is seeking a highly skilled Microsoft 365 (M365) Engineer with specialized expertise in GCC High (GCCH) environments. The focus is on modernizing user business functions by designing, implementing, and maintaining advanced M365 integrated solutions, with a strong emphasis on collaboration tools, data governance, security, and regulatory compliance.

• Translate requirements and convert legacy on‑prem Microsoft systems to modern M365 cloud solutions in GCCH.
• Educate users across HII divisions on integrated solutions in Copilot M365, Exchange, Teams, SharePoint, and One Drive within a GCCH environment.
• Work with engineering teams to design, implement, and optimize end‑to‑end business process solutions using the Microsoft Power Platform – Power Apps, Power Automate, Power BI, Power Pages, Copilot Studio, and Dataverse.
• Integrate and manage data across Dataverse, SharePoint Online, and back‑end systems, developing secure data models and ensuring seamless interoperability.
• Ensure all solutions comply with federal security standards, including FedRAMP, FISMA, CMMC, and DISA STIG.
• Develop and manage data governance frameworks using Microsoft Purview for compliance with government regulations and organizational policies.
• Implement and maintain security and compliance protocols such as data classification, retention policies, eDiscovery, and data loss prevention in MS Purview.
• Set standards and coach developers on Copilot and Power Platform best practices.
• Innovate and implement strategies to improve collaboration through M365 tools while maintaining strict compliance and governance standards.
• Manage migrations to GCCH and oversee upgrades of M365 services, ensuring data integrity.
• Contribute to the Enterprise Collaboration Services team strategy and develop junior engineers.
• Conduct training and workshops on Power Platform tools, Dataverse, and AI‑powered automation.
• Collaborate with compliance officers, IT leadership, and government agencies to align collaboration and governance solutions with business and regulatory requirements.
• Stabilize and sustain newly adopted cloud solutions for users transitioning from legacy environments.
• Provide Tier 3 support for advanced M365 and MS Purview issues and resolve escalated incidents promptly.
• Maintain thorough documentation of M365, MS Purview configurations, compliance frameworks, and standard operating procedures.

• US Citizenship and ability to obtain security clearance.
• Minimum of 5 years of relevant experience with a bachelor’s degree in a related field; or 3 years with a master’s degree; or equivalent experience based on education and years of experience.
• Bachelor’s degree in computer science, information technology, or a related field (or equivalent experience).
• 7+ years of experience in Microsoft 365 engineering.
• 3+ years of experience working in GCCH environments with compliance‑focused responsibilities.

• Extensive knowledge of M365 tools (Teams, SharePoint, One Drive, Power Platform, and M365 Copilot).
• Hands‑on experience with MS Purview, including data classification, DLP, eDiscovery, and compliance policies.
• In‑depth knowledge of the Power Platform (Power Apps, Power Automate, Power BI, Power Pages, Copilot Studio, Dataverse) and its integration with compliance workflows.
• Proficiency in Power Shell scripting for compliance automation and M365 administration.
• Proficiency in Office Apps (Word, Excel, PowerPoint) troubleshooting.
• Strong understanding of GCCH‑specific compliance and security protocols.
• Familiarity with hybrid environments and on‑premises/cloud system integrations.
• Experience working in highly regulated industries or government organizations.
• Working knowledge of Entra cloud workloads, Okta, and Zscaler integration (a plus).

Adequate visual acuity and manual dexterity to perform the duties of the position.

The listed salary range for this role is $ – $. HII offers competitive benefits including medical, dental, vision plans; wellness resources; employee assistance programs; a 401(k) savings plan; financial planning tools; life insurance; employee discounts; paid holidays and time off; tuition reimbursement; and educational scholarships.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, veteran status, or any other basis protected by federal, state, or local law.