Senior Systems Admin; Microsoft Endpoint Management

Job Family

Systems Engineering

Up to 10%

Active Top Secret (TS)

We are seeking an experienced Senior Systems Administrator – Microsoft Endpoint Management to lead the administration, optimization, and security of enterprise endpoint environments within secure federal programs. This role will manage Microsoft Intune/Endpoint Manager, configuration baselines, device compliance, and application deployment for mission‑critical federal user communities.

The ideal candidate brings deep experience with Microsoft 365, Windows client management, Azure cloud integrations, and secure device lifecycle operations in compliance‑driven environments.

• Administer and optimize Microsoft Intune / Microsoft Endpoint Manager (MEM) for Windows, mobile, and specialty devices across federal environments.
• Manage device provisioning, enrollment, configuration profiles, compliance policies, conditional access, and security baselines.
• Deploy and maintain applications, patches, updates, and OS images using Intune, Config Mgr (SCCM), Autopatch, and Autopilot.
• Oversee Windows workstation standards, hardening policies, and Zero‑Trust‑aligned endpoint security controls.
• Collaborate with cloud, identity, and security teams to integrate Azure AD/Entra , MFA, and modern authentication policies.
• Troubleshoot escalated endpoint issues related to performance, compliance, identity, connectivity, and application delivery.
• Ensure lifecycle management of endpoint devices, including monitoring, reporting, inventory management, and vulnerability mitigation.
• Produce and maintain documentation, SOPs, configuration baselines, and compliance artifacts supporting audits, ATO, or RMF processes.
• Support modernization initiatives such as cloud‑based endpoint management, automation, and infrastructure improvements.
• Provide senior‑level guidance and mentorship to junior system administrators and support teams.

• Bachelor's Degree OR additional FOUR (4) years' experience in lieu of Degree.
• Citizenship
• An ACTIVE and MAINTAINED TOP SECRET Federal or DoD security clearance and ability to obtain SCI.
• Minimum of SEVEN (7) years of experience in systems administration, endpoint management, or enterprise IT operations.
• Hands‑on expertise with Microsoft Intune/Endpoint Manager, Windows 10/11, and Microsoft 365 environments.
• Experience supporting secure or compliance‑driven environments (Federal Civilian, DoD, IC, or similar).
• Familiarity with Azure AD/Entra , device compliance, conditional access, and modern authentication.
• Strong troubleshooting skills across identity, device, application, and policy layers.
• Excellent communication, documentation, and stakeholder engagement skills.

• MD‑102:
  Endpoint Administrator
• MS‑102:
  Microsoft 365 Administrator
• AZ‑104:
  Azure Administrator
• Security+

• Experience with SCCM/Config Mgr, Co‑Management, and Autopilot provisioning.
• Power Shell scripting for automation and reporting.
• Familiarity with federal security frameworks (NIST 800‑53, STIGs, RMF).
• Knowledge of vulnerability management and endpoint hardening best practices.
• Experience with device analytics, telemetry, and monitoring (Log Analytics, Defender, Sentinel).
• Understanding of Zero Trust endpoint posture and compliance enforcement.

The annual salary range for this position is $–$. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

• Medical, Rx, Dental & Vision Insurance
• Personal and Family Sick Time & Company Paid Holidays
• Parental Leave
• 401(k) Retirement Plan
• Group Term Life and Travel Assistance
• Voluntary Life and AD&D Insurance
• Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
• Transit and Parking Commuter Benefits
• Short‑Term & Long‑Term…