Cyber Defense Manager

Grant Thornton - Philippines • Philadelphia, PA

5h • $144,000 - $233,300

About The Position

As a Cyber Defense Manager, you will get the opportunity to grow and contribute to our clients' business needs by applying a collection of information and cybersecurity capabilities, including security and privacy, strategy, governance, IT risk, security testing, technology implementation/operations, cybercrime and breach response for the Cybersecurity & Privacy Practice – all with the resources, environment, and support to help you excel.

From day one, you’ll be empowered by the greater Risk team to help clients make the moves that will help them achieve their vision and help you achieve more, confidently.

Requirements

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field is required
• Minimum 5 years of related cybersecurity experience in a similar consulting practice or function
• CISSP, CISM, GIAC (e.g., GSEC, GCIH, GISP, etc.), cloud security (e.g., AZ-500, AWS Certified Security, Google Cloud Professional Architect / Security Engineer) or other related certifications required
• Strong command of MITRE ATT&CK and adversary tradecraft, with the ability to translate behaviors into actionable detections and safeguards.
• Deep experience with network defense, system hardening, logging pipelines, and security control implementation
• Proven ability to articulate complex defensive issues to both technical and non-technical audiences with clarity and precision
• 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
• Strong professional verbal and written skill
• Leading and managing one or more of the overarching areas below: Assessing cybersecurity programs and capabilities against industry leading frameworks (e.g., NIST CSF, CRI Profile) and compliance and regulatory requirements.
• Working knowledge of cybersecurity industry leading practices and frameworks, such as NIST CSF, CRI Profile, ISO 27001/2, NYS DFS 500, PCI-DSS, CIS Controls, CIS Benchmarks.
• Excellent analytical, organizational and project management skills
• Can travel as needed

Responsibilities

• Lead cyber defense engagements focused on adversary behaviors, detection coverage, and safeguard effectiveness across complex enterprise environments.
• Apply expert knowledge of MITRE ATT&CK to map threat scenarios, identify defensive gaps, and design measurable, threat-informed detection strategies.
• Engineer, tune, and validate detections across SIEM, EDR, NDR, and log-centric platforms to ensure high-fidelity coverage against real-world TTPs.
• Assess and strengthen network and system safeguards, including segmentation, hardening, logging architectures, and control configurations.
• Conduct threat-informed assessments, purple team exercises, and defensive readiness evaluations.
• Communicate defensive findings, tradeoffs, and recommendations clearly to both technical teams and executive stakeholders.
• Guide clients through building resilient defense programs, including detection maturity, operational readiness, and continuous improvement.
• Mentor analysts and contribute to the development of detection playbooks, methodologies, and defensive frameworks.
• Develop and manage client relationships with the intention to exceed client expectations.
• Adhere to the highest degree of professional standards and strict client confidentiality.
• Participate in professional development activities and training sessions on regular basis.
• Other duties as assigned.

Benefits

• Whether it’s your work location, weekly schedule or unlimited flex time off, we empower you with the options to work in the way that best serves your clients and your life.
• Here, you are supported to prioritize your overall well-being through work-life integration options that work best for you and those in your household.
• 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. See how at www.gt.com/careers
• For an overview of our benefit offerings, please visit: https://www.grantthornton.com/careers/rewards-and-benefits
• 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.
• 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. Interns and seasonal employees are not eligible for bonus compensation.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager