Grant Thornton (US) · 3 hours ago
Cyber MSFT Threat Protection Senior Manager
Arlington, VA
Full-time
Hybrid
Senior Level, Lead/Staff
$188K/yr - $312K/yr
10+ years expGrant Thornton is a professional services firm that provides audit, assurance, tax, and advisory services. As a Cybersecurity Senior Manager focused on Microsoft Threat Protection, you will lead complex engagements to help clients defend against cyber threats and serve as a strategic advisor in optimizing their security ecosystems.
Information Technology & Services
Responsibilities
Leading the delivery of Microsoft Threat Protection solutions, including Microsoft Defender for Endpoint, Identity, Office 365, Cloud Apps, and Microsoft Sentinel
Lead practice development and sales activities including, opportunity origination, client proposal development, and deal closure
Advising CISOs and security leaders on threat detection, incident response, and security operations transformation
Designing and implementing enterprise-wide detection and response strategies aligned with Zero Trust and MITRE ATT&CK frameworks
Overseeing threat modeling, red/purple team exercises, and advanced threat hunting initiatives
Managing large-scale security assessments, maturity roadmaps, and regulatory compliance engagements
Leading and mentoring multidisciplinary teams across multiple client engagements
Driving business development efforts, including proposal development, client presentations, and thought leadership
Staying current on emerging threats, vulnerabilities, and Microsoft security innovations to inform client strategies
Qualification
Required
Bachelor's degree in Cybersecurity, Information Systems, or a related field
Relevant certifications such as SC-200, AZ-500, CISSP, CISM, GIAC, or related certification is required
10+ years of experience in cybersecurity, with a focus on threat detection, response, and security operations
Prior experience leading sales activities for threat protection professional services, in excess of $3M a year
Deep expertise in Microsoft security technologies, including: Microsoft Defender suite (Endpoint, Identity, Office 365, Cloud Apps), Microsoft Sentinel (SIEM/SOAR)
Strong understanding of threat intelligence, adversary tactics, and incident response frameworks
Experience with KQL, PowerShell, or other scripting languages for automation and threat hunting
Proven ability to lead client engagements and manage cross-functional teams
Familiarity with Microsoft Copilot for Security and AI-driven threat detection
Strong executive presence and ability to communicate complex technical concepts to non-technical stakeholders
Demonstrated success in practice development and client relationship management
Strong project management skills and the ability to manage multiple engagements and competing priorities in a rapidly growing, fast-paced, interactive, results-based team environment
Exceptional client service and communication skills, with a demonstrated ability to develop and maintain outstanding client relationships
Can travel as needed
Benefits
We understand that your needs, responsibilities and experiences are different, and we think that’s a good thing. That’s why we support you with personalized and comprehensive benefits that recognize and empower all the identities, roles and aspirations that make you, well, you.
Benefits for internship positions: Grant Thornton interns are eligible to participate in the firm’s medical, dental and vision insurance programs and the firm’s employee assistance program. Interns also receive a minimum of 72 hours of paid sick leave, and are paid for firm holidays that fall within their internship period.
Benefits for seasonal employee positions: Grant Thornton seasonal employees are eligible to participate in the firm’s medical, dental and vision insurance programs and the firm’s employee assistance program. Seasonal employees may also be eligible to participate in the firm’s 401(k) savings plan and employee retirement plan in accordance with applicable plan terms and eligibility requirements. Seasonal employees receive a minimum of 72 hours of paid sick leave.
Grant Thornton employees may be eligible for a discretionary, annual bonus based on individual and firm performance, subject to the terms, conditions and eligibility criteria of the applicable bonus plan or program.
Company
Grant Thornton (US)
In the US, Grant Thornton LLP and Grant Thornton Advisors LLC (and their respective subsidiary entities) practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations and professional standards.
5001-10000 employees
H1B Sponsorship
Grant Thornton (US) has a track record of offering H1B sponsorships. Please note that this does not
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Funding
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Late StageLeadership Team
Mike McGuire
CEO emeritus
Alex Katz
Valuation Manager - CFO Advisory
Recent News
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2025-10-06
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