M365 Architect - Web Apps

Job#: 3027919

Job Description:
Job Title: Microsoft 365 Architect - Web Add-ins & Governance
Overview

We are seeking an experienced Microsoft 365 Architect with deep expertise in Office Web Add-ins and enterprise-scale governance. This role will be responsible for defining, standardizing, and operationalizing the full lifecycle of Microsoft 365 add-ins-particularly transitioning from legacy COM add-ins to modern Web Add-ins-across a large, complex organization. The ideal candidate has hands-on experience with M365 admin consoles, Exchange/Outlook, third-party add-in management, and governance at scale.
Key Responsibilities

• M365 Add-in Architecture & Administration
  • Architect, administer, and support Microsoft 365 Web Add-ins across Outlook, Word, Excel, Teams, and other Office apps.
  • Manage a portfolio of 300-500 Office/Web add-ins, including third-party integrations (e.g., Teams, Webex, collaboration tools).
  • Work with the Microsoft Admin Center and Office Add-ins (Integrated Apps) to control availability and deployment through the Microsoft Store.
  • Define and maintain controls so only approved add-ins are available to end users.
• COM to Web Add-in Migration
  • Lead and standardize the migration from COM add-ins to Web Add-ins.
  • Define minimum technical requirements for migration (authentication, permissions, deployment models, manifest changes, etc.).
  • Create reusable templates and patterns to accelerate migrations and reduce risk.
  • Provide architectural guidance to application teams during modernization efforts.
• Governance, Risk, and Compliance
  • Design and stand up an enterprise governance framework for third-party and internal add-ins.
  • Establish a formal intake, review, testing, certification, and deployment process for all lines of business.
  • Develop standardized methods, policies, and best practices for add-in lifecycle management.
  • Participate as a core member of a governance board and help establish or mature a Center of Excellence (COE).
  • Partner closely with third-party application owners and web administrators.
  • Experience with Microsoft Purview for data protection and compliance is a plus.
• Enterprise Operations & Automation
  • Operate at large enterprise scale (20,000+ users; experience supporting environments of 200,000+ users preferred).
  • Set up monitoring, auditing, and ongoing controls for add-in usage and compliance.
  • Build and maintain a lab environment for testing and validation.
  • Use PowerShell scripting to automate administration, reporting, and policy enforcement.

Qualifications

• Proven experience as an M365 Architect or Senior M365 Engineer in a large enterprise environment
• Strong expertise with Microsoft 365 Admin Centers, Exchange/Outlook, and Office Add-ins
• Hands-on experience with Office Store and integrated add-in deployment models
• Deep understanding of governance, security, and enterprise controls
• Working knowledge of web technologies and add-in development concepts
• Strong stakeholder engagement and documentation skills

Locations: Charlotte, NC

Jacksonville, FL

Addison, TX

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.