Senior Systems Admin (Microsoft Endpoint Management)

Job Family:
Systems Engineering

Travel Required:
Up to 10%

Clearance Required:
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.

What You Will Do

• 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, ConfigMgr (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 ID, 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.

What You Will Need

• 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 ID, device compliance, conditional access, and modern authentication
• Strong troubleshooting skills across identity, device, application, and policy layers
• Excellent communication, documentation, and stakeholder engagement skills

Nice to Have Certifications

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

Desired Additional Skills

• Experience with SCCM/ConfigMgr, Co-Management, and Autopilot provisioning
• PowerShell 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 $130,000.00-$216,000.00. 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.

What We Offer:

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.

Benefits include:

• 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 Disability
• Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
• Employee Referral Program
• Corporate Sponsored Events & Community Outreach
• Care.com annual membership
• Employee Assistance Program
• Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
• Position may be eligible for a discretionary variable incentive bonus

About Guidehouse

Guidehouse is an Equal Opportunity Employer-Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1- or via email at All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.

All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.

If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse's Ethics Hotline. If you want to check the validity of correspondence you have received, please contact Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant's dealings with unauthorized third parties.

Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.