Staff M365 Platform Engineer & Owner
Role summary
This role is for a Staff M365 Platform Engineer & Owner in the United States, responsible for the technical ownership and strategic operation of an enterprise Microsoft 365 GCC High environment. The position involves leading complex configurations, migrations, and automations, translating governance policies into technical controls, and ensuring operational efficiency, security, and compliance. Key accountabilities include hands-on administration of M365 workloads, advanced PowerShell scripting, implementing security policies, executing tenant migrations, and providing Tier 3 support. The role requires 6-8+ years of experience managing M365/Exchange Online in enterprise environments, expertise in GCC/GCCH cloud boundaries, Entra ID proficiency, and knowledge of compliance requirements like NIST 800-171. This is an individual contributor role offering remote flexibility.
This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff M365 Platform Engineer & Owner in United States.
This role offers a unique opportunity to serve as the technical owner and strategic operator for an enterprise Microsoft 365 GCC High environment. You will lead complex configurations, migrations, and automations while translating high-level governance policies into actionable technical controls. The position blends hands-on engineering with platform stewardship, giving you the chance to directly impact operational efficiency, security, and compliance. You will collaborate with internal teams, vendors, and stakeholders to maintain a secure, high-performing environment while driving innovation and continuous improvement. This role is ideal for a highly skilled individual contributor who thrives in a dynamic, fast-paced technology environment and enjoys tackling challenging M365 platform projects.
Accountabilities
- Serve as the primary technical owner of the M365 GCC High tenant, overseeing Exchange, SharePoint, Teams, and Entra ID workloads
- Lead hands-on administration of mail flow, DNS, and transport rules, ensuring GCC High compliance and reliability
- Develop and maintain automation and scripting using PowerShell and Graph API for lifecycle management, site provisioning, and security auditing
- Implement governance policies as technical controls, including DLP, Conditional Access, and retention labels
- Execute tenant-to-tenant migrations during mergers and acquisitions, including mailbox, drive, and site data migrations
- Validate vendor deliverables, ensuring alignment with technical, security, and compliance standards
- Provide Tier 3 support for complex platform issues and manage the rollout of new M365 features
- Maintain technical documentation, runbooks, architectural diagrams, and SOPs
Requirements
- 6-8+ years of hands-on experience managing M365/Exchange Online in enterprise environments
- Expertise in GCC/GCCH cloud boundaries and their technical limitations
- Strong proficiency in Entra ID (Azure AD), including identity synchronization, application registrations, and security/compliance center configurations
- Advanced PowerShell scripting skills for large-scale M365 workload management
- Experience executing at least one major tenant-to-tenant migration
- Bachelor’s degree in Computer Science, Information Systems, or related technical field
- Knowledge of NIST 800-171, CMMC, or DFARS 7012 compliance requirements
- U.S. Citizenship required, with eligibility to obtain and maintain a U.S. government security clearance (Secret or higher)
- Preferred certifications: Microsoft 365 Administrator Expert, Microsoft 365 Messaging Administrator Associate, Microsoft Identity and Access Administrator (SC-300), CompTIA Security+/CySA+/CASP+
- Strong analytical, organizational, and problem-solving skills with the ability to operate independently
Benefits
- Competitive base salary range: $131,962 - $172,773, with total compensation including bonus and equity
- Remote work flexibility (up to 3 days per week), with offices in Bothell, WA, and College Park, MD
- Comprehensive medical, dental, and vision insurance
- Matching 401(k) retirement plan
- Unlimited PTO and paid holidays
- Parental and adoption leave
- Home technology stipend and legal insurance
- Professional development opportunities and supportive, inclusive company culture
Why Apply Through Jobgether?
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
Why Apply Through Jobgether?
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
