Staff Security & Compliance Engineer- M365 GCCH/ CMMC

Company Description

It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today — ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But this is just the beginning of our journey. Join us as we pursue our purpose to make the world work better for everyone.

Job Description

About the team:

We are the backbone of Microsoft-powered collaboration at ServiceNow. Our team owns and manages the organization's Microsoft infrastructure — spanning Outlook, SharePoint, OneDrive, Microsoft Teams, and the broader collaboration ecosystem — ensuring employees have the tools, access, and experience they need to work seamlessly. 

Beyond keeping the lights on, we take a strong stance on security and governance within the Microsoft environment. From access controls and data policies to compliance frameworks, we ensure our collaboration platforms are not just productive — but safe, compliant, and built to scale. 

Whether it's enabling the workforce through modern collaboration tools or safeguarding the integrity of our Microsoft ecosystem, the DT Collaboration team sits at the intersection of productivity and trust. 

About the role: 

We are seeking a senior individual contributor to lead the technical design, implementation, and ongoing security operations of a Microsoft 365 GCC High environment supporting Controlled Unclassified Information (CUI). This role is accountable for implementing and evidencing compliance with CMMC Level 2, DFARS 7012, and NIST 800-171 controls. 

The engineer will act as the technical owner of the GCC High enclave, partnering with Security, Legal, and IT to ensure audit readiness and successful certification by May 2026. 

This role requires independent execution, deep security expertise, and the ability to translate regulatory requirements into enforceable technical controls. 

The impact you'll make:

Architecture & Tenant Build 

• Lead GCC High tenant design and deployment 
• Define secure architecture for: 
• Entra ID (Azure AD) 
• Exchange Online 
• SharePoint/OneDrive 
• Teams 
• Intune 
• Defender Suite 
• Purview Compliance 
• Establish Zero Trust and least-privilege administrative model 
• Design CUI boundary protections and data segmentation 

Compliance Implementation (CMMC/NIST 800-171) 

• Map CMMC practices to technical controls and configurations 
• Develop and maintain: 
  • System Security Plan (SSP) 
  • Control narratives 
  • Evidence repository 
  • POA&M 
• Implement: 
  • MFA/Conditional Access 
  • Device compliance & endpoint hardening 
  • Logging/monitoring/SIEM integration 
  • DLP & data classification 
  • Incident response workflows 
• Lead readiness reviews and assessment preparation with C3PAOs 

Security Operations 

• Own security baselines and tenant hardening 
• Manage vulnerability remediation lifecycle 
• Oversee incident investigations and root cause analysis 
• Establish monitoring, alerting, and audit logging standards 
• Drive continuous improvement of controls 

Cross-Functional Leadership (IC4 Scope) 

• Serve as technical authority for GCC High security decisions 
• Provide guidance to operations engineers and offshore support 
• Partner with Legal/Compliance on regulatory interpretation 
• Present risk posture and compliance metrics to leadership 
• Mentor junior engineers (without direct management responsibility) 

Qualifications

• U.S. Person (citizen or permanent resident) – required for GCC High/CUI access.
• 6–10+ years Microsoft 365/Azure security engineering experience. 
• Hands-on implementation of GCC High or FedRAMP/DoD environments. 
• Direct experience with: 
  • CMMC or NIST 800-171 control implementation 
  • Intune & endpoint security 
  • Entra ID Conditional Access/PIM 
  • Defender suite 
  • Purview (DLP/eDiscovery/Insider Risk) 
• Experience preparing for security audits or assessments. 
• Strong technical documentation skills. 

Extras:

• CISSP, CISM, or Security+ 
• Microsoft SC-100, SC-200, SC-300, MS-102 
• Gov/DoD contracting environment experience 

Additional Information