System Administrator

Procon is a top-ranked construction management and technology consulting firm with 25 years of experience delivering high‑impact projects across the U.S. and worldwide. An ENR Top 100 CM/PM firm for five consecutive years, we specialize in program management, project controls, commissioning, and virtual intelligence—and offer an excellent platform to grow your career while shaping the future of the built environment.

Procon has recently made the transition to Microsoft 365 GCC and is looking for an experienced System Administrator to join our growing team. This role reports to the Manager of Information Technology and works closely with the Helpdesk Analyst and a 3rd Party Managed Security Service Provider (MSSP).

This role is ideal for an experienced Microsoft 365 System Administrator to configure, secure, and operate a cloud-first productivity environment for a 200+ person company. Role requires broad-based knowledge and experience and involves hands‑on technical work with tenant administration; developing documentation; and policy governance.

We are seeking someone with experience supporting Microsoft Government Cloud (GCC or GCC High) tenants and implementing rules to handle Controlled Unclassified Information (CUI) is preferred.

• Minimum 5–7 years experience administering Microsoft 365 for mid-size organizations.
• Experience operating Microsoft Government Cloud tenants (GCC or GCC High) or implementing NIST SP 800-171 controls in Microsoft 365 tenants is highly desired.
• Hands‑on experience with Microsoft Intune / Endpoint Manager, Windows Autopilot, Microsoft Defender, Entra  / Azure AD, Exchange Online, Teams, and Microsoft Purview.
• Experience implementing Microsoft Purview (DLP, retention, labels) or equivalent information protection controls.
• Familiarity integrating SaaS apps (SSO/SAML/OAuth), managing app registrations, and configuring SSO.
• Proficiency with Power Shell, Microsoft Graph, and automation for evidence collection and control enforcement.
• Excellent documentation skills and experience creating runbooks and operational procedures.
• Active security mindset with experience responding to incidents and remediating threats.
• Background supporting remote/hybrid work forces and managing non-domain-joined devices.

• Microsoft certifications such as Microsoft 365 Certified:
  Endpoint Administrator Associate, Microsoft 365 Certified:
  Security Administrator, or Microsoft Certified:
  Identity and Access Administrator.
• Experience with Microsoft Sentinel, Intune Suite features, or Microsoft Copilot for Security.
• Familiarity with third-party MDM/MAM and backup solutions (e.g. Duo Federal).
• Experience in tenant-to-tenant migrations, domain changes, or hybrid identity projects.

• Harden identity configuration for CUI: implement strict Conditional Access policies, passwordless MFA, identity protection tuning, Privileged Identity Management (PIM), and emergency break‑glass controls.
• Maintain identity logs and evidence retention to support audits and assessments against NIST SP 800-171 controls.

• Enforce device posture for CUI access with Intune: strict enrollment gates, baseline configuration profiles, compliance policy strictness, controlled device enrollment (company‑owned only where required), and device encryption enforcement.
• Manage Autopilot profiles and lifecycle to ensure new company devices meet CUI security baselines before granting access.

• Deploy and operate Microsoft Defender for Endpoint and Defender for Office 365 with advanced telemetry, custom detection rules, automated containment playbooks, and integration into the tenant’s continuous monitoring and incident response processes.
• Ensure Defender signals feed into a centralized SIEM or Microsoft Sentinel for correlation, retention, and evidence for assessments.

• Configure Microsoft Purview for DLP, sensitivity labeling, encryption, retention, and eDiscovery tailored to CUI handling requirements.
• Implement strict guest access and external sharing…