Microsoft 365 Senior Engineer

King County; Seattle (WA); Hybrid; USD 110,000 - 160,000; Full time

Job summary

King County is seeking a Senior Microsoft 365 Engineer to own administration and optimization of the county’s M365 tenant, including Exchange Online, SharePoint Online, Teams, and OneDrive. You will lead lifecycle management, security and compliance tasks, and partner with KCIT and business teams to implement reliable, secure services.

The role emphasizes incident resolution, feature rollouts, documentation, and automation using PowerShell and Graph APIs, within a hybrid work environment in

Qualifications

• Proven experience administering and supporting Microsoft 365 services including Exchange Online, SharePoint Online, Teams, OneDrive, Viva, and related workloads.
• Skilled in PowerShell scripting for automation, bulk actions, reporting, and troubleshooting across Microsoft 365 environments.
• Strong ability to troubleshoot and resolve complex, multi-service technical problems using problem-solving and root-cause analysis.
• Experience with Microsoft 365 security and compliance including Conditional Access, MFA, DLP, auditing, and eDiscovery.
• Experience performing lifecycle management for cloud services including configuration updates, optimization, feature rollout planning, and governance.
• Ability to interpret technical standards, documentation, and change-management processes to maintain stable operations.
• Experience supporting end users and IT teams by handling escalations, providing guidance, and creating troubleshooting documentation.
• Strong written and verbal communication skills for diverse audiences and clear documentation.
• Demonstrated ability to collaborate with cross-functional teams, business groups, and vendors to resolve issues.
• Proven ability to evaluate new Microsoft 365 features and interpret release notes for adoption readiness.

Responsibilities

• Provide senior-level administration and operational support for the Microsoft 365 tenant, including Exchange Online/On-Prem, SharePoint Online, Teams, OneDrive for Business, Viva modules, M365 Apps, Forms, and related services.
• Maintain service health, apply updates, manage configurations, and ensure adherence to operational standards.
• Troubleshoot advanced technical issues across M365 workloads, including Level 2/3 escalations; perform deep-dive analysis and collaboration to restore service.
• Support change management processes, test performance and impact of new features, and validate functionality in test environments.
• Develop and maintain operational documentation, runbooks, and knowledge articles for M365 services.
• Automate routine tasks and workflows using PowerShell, Graph API, or other scripting tools to improve efficiency.
• Perform lifecycle management activities including feature rollout coordination, license optimization, configuration updates, and retirement planning.
• Support security, governance, and compliance requirements including Conditional Access, DLP, MFA, eDiscovery, and related features.
• Collaborate with cross-functional teams and KCIT partners to plan improvements and deliver secure, efficient services.
• Contribute to standards, roadmaps, and process improvements for reliability and consistency across M365 environments.

Skills

Microsoft 365 Admin

PowerShell scripting

Troubleshooting & RCA

Security & Compliance (M365)

Lifecycle management

Team collaboration

Monitoring & analytics

Documentation

Cross-team communication

Tools

PowerShell

Microsoft Graph API

Monitoring tools

Job description

The Microsoft 365 (M365) Senior Engineer serves as a key technical resource within the Modern Workplace Team, supporting the daily operation, administration, and enhancement of King County’s Microsoft 365 tenant. In this role, the engineer provides senior-level expertise across core collaboration and productivity services, including Exchange Online/On-Prem, SharePoint Online, Microsoft Teams, OneDrive for Business, Viva modules, Microsoft 365 Apps, eDiscovery, Copilot, and other tenant-wide services. The position ensures these services remain secure, reliable, scalable, and aligned with county-wide technology standards.

The engineer performs advanced troubleshooting and root-cause analysis, resolves complex service issues escalated from Tier 1 and Tier 2 support teams, and proactively identifies opportunities to optimize performance and improve the user experience. Responsibilities also include lifecycle management of M365 applications and services, coordinating updates and feature rollouts, maintaining operational documentation, and contributing to automation efforts to increase efficiency and consistency. Through close collaboration with team members, stakeholders, and cross-departmental partners, the M365 Senior Engineer helps ensure platform stability, supports business continuity, and enhances the overall quality and reliability of the County’s modern workplace ecosystem.

About King County Department of Information Technology (KCIT)

King County is committed to being the best-run government in the nation, and King County Information Technology (KCIT) is helping lead that transformation. KCIT harnesses the power of technology to modernize operations, advance digital equity and social justice, and deliver innovative solutions that engage, empower, and serve our residents, businesses, and community partners.

Recognized by the National Association of Counties (NACo) for excellence in vision, strategy, innovation, and collaboration, KCIT is focused on delivering smart, secure, and customer-centered technology services that strengthen county operations and support thriving, resilient communities. As the technology business partner to all 18 County departments, KCIT provides the foundational systems and services that power many of the region’s most essential functions. We work side-by-side with our partners to design and deliver technology solutions that enhance customer experience and advance King County’s mission. Learn more about KCIT at: http://kingcounty.gov/depts/it.aspx.

This recruitment may be used to fill additional vacancies that may occur.

• Provide senior-level administration and operational support for the Microsoft 365 tenant, including Exchange Online/On-Prem, SharePoint Online, Microsoft Teams, OneDrive for Business, Viva modules, M365 Apps, Forms, and related collaboration services.
• This includes maintaining service health, applying updates, managing configurations, and ensuring adherence to operational standards.
• Troubleshoot advanced technical issues across M365 workloads, including escalated Level 2 and Level 3 incidents. Perform deep-dive analysis, evaluate cross-service dependencies, and collaborate with engineering peers to restore service, mitigate risk, and improve overall platform stability.
• Support and participate in change management processes, including testing the performance and impact of new features, service updates, and configuration changes prior to implementation. Validate functionality in test environments and provide recommendations to improve reliability and minimize disruption.
• Develop, maintain, and improve operational documentation, including standard operating procedures, knowledge articles, and runbooks for M365 services. Ensure documentation remains accurate, current, and usable by support teams to improve consistency and quality of service.
• Automate routine tasks and operational workflows using PowerShell, Graph API, or other scripting tools to improve efficiency, reduce manual effort, and enhance service reliability. Support the development of monitoring and reporting scripts to help maintain environment health.
• Perform lifecycle management activities for M365 services, including feature rollout coordination, license optimization, configuration updates, and service retirement planning. Ensure compliance with King County standards while improving operability and user experience.
• Support M365 security, governance, and compliance requirements, including Conditional Access, DLP, MFA, basic identity integrations, eDiscovery, and related protection features. Assist in evaluating security impacts and ensuring configurations align with County policies.
• Collaborate closely with cross-functional teams, business partners, and KCIT operational teams to understand service needs, resolve issues, plan improvements, and support the delivery of secure, efficient, and user-friendly M365 services. Provide subject-matter guidance within the Modern Workplace Team.
• Contribute to the development and maintenance of technical standards, operational processes, and service improvements to support reliability and consistency across M365 environments. Provide input on roadmaps and future enhancements based on emerging Microsoft features and organizational needs.
• Monitor capacity, performance, and usage trends across M365 platforms, identifying opportunities to improve performance, optimize resource utilization, and mitigate potential future issues. Provide data-driven insights to leadership and team members.
• Serve as an escalation point for complex issues handled by operational support staff, offering guidance, mentoring, and technical assistance to improve overall troubleshooting skills and team effectiveness.
• Participate in project work related to M365 services, contributing technical expertise, assisting with implementation tasks, and delivering components on schedule while adhering to project requirements and IT best practices.

• Proven experience administering and supporting Microsoft 365 services, including Exchange Online, SharePoint Online, Teams, OneDrive, M365 Apps, Viva, and related workloads.
• Skilled in using PowerShell scripting for automation, bulk actions, reporting, and troubleshooting across Microsoft 365 environments.
• Strong ability to troubleshoot and resolve complex, multi-service technical problems using strong problem-solving and root-cause analysis skills.
• Applied knowledge of Microsoft 365 security and compliance, including Conditional Access, MFA, DLP, auditing, and eDiscovery.
• Experience performing lifecycle management for cloud services, including configuration updates, optimization, feature rollout planning, and governance.
• Ability to interpret technical standards, documentation, and change-management processes to maintain stable and secure operations.
• Experience supporting end users and IT teams by handling escalations, providing guidance, and creating troubleshooting documentation.
• Strong written and verbal communication skills, with the ability to translate technical concepts for diverse audiences and produce clear, accurate documentation.
• Demonstrated ability to collaborate effectively with cross-functional teams, business groups, and vendors to resolve issues and improve service delivery.
• Proficiency using monitoring, analytics, and reporting tools to assess Microsoft 365 platform health, performance, and usage trends.

• Certifications or demonstrated experience related to Microsoft 365 ecosystem.
• Experience with identity and access management concepts, including Entra ID administration, Conditional Access strategy, and authentication best practices.
• Familiarity with enterprise governance models for Microsoft 365, including data lifecycle management, retention policies, and information protection.
• Experience supporting eDiscovery workflows and compliance features such as Content Search, Audit, and DLP.
• Experience designing or improving operational processes, including documentation standards, SOP development, workflow optimization, or automation strategy.
• Background working in Agile, SAFe, or iterative service-delivery frameworks, contributing to team sprints, backlog planning, and continuous improvement.
• Experience working in large, complex, or regulated enterprise environments with multi-departmental stakeholders.
• Strong customer service mindset with the ability to collaborate effectively with technical and non-technical users.
• Demonstrated ability to evaluate new Microsoft 365 features, interpret release notes, and provide recommendations on adoption readiness.
• HIPAA

Hybrid Work:

KCIT works in a hybrid model, with days in the office as well as telecommuting. The ratio of remote to onsite work will be dependent on business needs and is subject to change. The primary onsite location is the Chinook Building, 401 5th Ave, Seattle, WA 98104.

Employees must reside in Washington state and within a reasonable distance to their King County worksite to respond to workplace reporting requirements.

King County has a robust collection of tools and resources to support working remotely. The individual selected for this opportunity will join an innovative and progressive team that is redefining how we work as we transition to the department's hybrid environment. Employees will be provided with a County-issued laptop and must maintain a home workspace with an internet connection where they can reliably perform work and remain available and responsive during scheduled work hours.

Work Schedule:

The normal workweek for this position is Monday through Friday, 8:00 a.m. to 5:00 p.m. Alternative schedules may be considered by your manager. This position will participate on the After-Hours Support (AHS) team rotating across a pool of 12 to 15 staff (24x7, 7-day rotation Monday-Sunday).

FLSA Status:

This position is FLSA Exempt and is not eligible for overtime pay.

Classification:

IT Production Engineer-Senior (Job code: 741601)

Union:

This position is represented by Protec17: Information Technology.

Who May Apply:

This recruitment is open to all qualified candidates. We value diversity, diverse perspectives and life experience and encourage people of all backgrounds to apply.

Are you ready to make a difference? Come join the team dedicated to serving one of the nation's best places to live, work and play.

King County's Vision, Mission, and ACTIVATE Values unite us.

King County serves residents with a relentless sense of urgency, delivering on commitments with transparency and accountability. We are action-oriented, creative problem solvers who collaborate across roles, engage directly with communities, and challenge the status quo to achieve meaningful impact. As a unified team, we uphold high ethical and stewardship standards, embrace change, stay curious, and continuously improve. Across all interactions, we listen first, act quickly, and stay aligned as a team to earn and sustain public trust. Learn more about our Vision, Mission, and ACTIVATE Values here and visit our Why work at King County page here.

King County is an Equal Employment Opportunity (EEO) Employer

No person is unlawfully excluded from employment opportunities based on sex, race, color, national origin, ethnicity, religious affiliation, disability, sexual orientation, gender identity or expression, age except by minimum age and retirement provisions, pregnancy, status as a family caregiver, parental status, marital status, military status or status as a veteran who was honorably discharged or who was discharged solely as a result of the person's sexual orientation or gender identity or expression, citizenship or immigration status, genetic information, or other protected class. However, to the extent that distinction or differential treatment on the basis of citizenship or immigration status is authorized by either federal or state law, regulation, or government contract, it is not an unfair practice.

Our EEO policy applies to all employment actions, including but not limited to recruitment, hiring, selection for training, promotion, transfer, demotion, layoff, termination, rates of pay or other forms of compensation.