Job description

If you are a technology visionary with a passion for transforming global tax business with digital technology, consider working with the US Tax Transformation technology team. This is an exciting opportunity to support global execution of Deloittes tax strategy as we shift from doing digital to being digital by reimagining how we engage with our clients, deliver our services, operate our business, and create value. Work youll do As a Deloitte Lead AI Security Engineer, you will be crucial in safeguarding our advanced AI models, data, and infrastructure. You'll work closely with Data Scientists, Data Engineers, and MLOps/DevOps teams. Additional responsibilities include: • Implement defences against AI-specific attacks (adversarial, prompt injection, data leakage) • Conduct AI-focused security assessments, penetration tests, red/purple team exercises • Analyse AI system vulnerabilities, develop mitigation strategies, and create AI risk heat maps • Implement security controls throughout the AI/ML lifecycle (data handling, training with GPU isolation, deployment, monitoring, versioning, provenance). Integrate SAST/DAST for ML artifacts • Manage audit trails and automated compliance checks • Implement AI-specific incident response and develop regulatory disclosure playbooks • Manage AI security monitoring, implement executive dashboards linking security to business KPIs, develop security metrics (Adversarial Risk Score, Model Drift Index) • Implement secure training environments and fine-grained data access controls • Contribute to AI-generated fraud detection in transaction monitoring systems. • Act as an AI security SME, continuously research emerging threats The Team Deloitte Tax LLP's Tax Transformation Office (TTO) is responsible for the design, development, and deployment of innovative, enterprise technology, tools, and standard processes to support the delivery of tax services. The TTO team focuses on enhancing Deloitte Tax LLPs ability to deliver comprehensive, value-added, and efficient tax services to our clients. It is a dynamic team with professionals of varying backgrounds from tax technical, technology development, change management, Six Sigma, and project management. The team consults and executes on a wide range of initiatives involving process and tool development and implementation including training development, engagement management, tool design, and implementation. Qualifications and Skills Required: • Ability to perform job responsibilities within a hybrid work model that requires US Tax professionals to co-locate in person 2 3 days per week • Bachelors degree in a relevant discipline • 3+ years cybersecurity experience (application, cloud and data security) including translating regulatory frameworks (NIST AI RMF, EU AI Act) into technical controls. • Demonstrated proficiency in security scripting, automation, and tool development. • Hands-on experience with the Azure Cloud ecosystem and its security services. • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve • Limited sponsorship may be available. • One of the following active accreditations obtained, in process, or willing and able to obtain: • Licensed CPA in state of practice/primary office if eligible to sit for the CPA • If not CPA eligible: • Licensed Attorney • Enrolled Agent • Technology Certifications: • AWS Certified Solutions Architect • Certified Information Systems Security Professional (CISSP) • Certified SAFe Agile Software Engineer • Certified SAFe Agilist • Certified SAFe DevOps Practitioner • Certified Secure Software Lifecycle Professional (CSSLP) • Certified Secure Software Lifecycle Professional (CSSLP) (ISC)2 • ISTQB (International Software Testing Qualifications Board) • ITIL Certification • Microsoft Azure • SEI - Software Engineering Institute Certification Preferred: • Expertise in identifying and mitigating AI/ML security threats, including adversarial attacks, prompt injection, and data leakage. • Solid knowledge of AI/ML security frameworks (NIST AI RMF, OWASP, ISO/IEC 27001) and ability to apply them as technical controls. • Experience applying data privacy regulations (GDPR, DORA, EU AI Act) in enterprise AI environments. • Proficiency with Azure security tools (Sentinel, Monitor, Policy, Purview, Key Vault, Azure ML). • Hands-on skills in securing and monitoring MLOps/LLMOps pipelines, including data versioning, provenance, GPU isolation, and deployment. • Ability to automate compliance, incident detection, and security assessments for AI/ML models, using Azure Monitor, KQL, and related tools. • Experience designing secure training environments and implementing fine-grained data access controls. • Track record of researching and deploying innovative AI security solutions; recognized as a subject matter expert (SME). • Strong communication and collaboration abilities with technical and business teams, translating security risks into actionable business insights. The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $84,980 to $193,440 You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance. Information for applicants with a need for accommodation: Recruiting tips From developing a stand out resume to putting your best foot forward in the interview, we want you to feel prepared and confident as you explore opportunities at Deloitte. Check out recruiting tips from Deloitte recruiters. Benefits At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you. Our people and culture Our inclusive culture empowers our people to be who they are, contribute their unique perspectives, and make a difference individually and collectively. It enables us to leverage different ideas and perspectives, and bring more creativity and innovation to help solve our clients' most complex challenges. This makes Deloitte one of the most rewarding places to work. Our purpose Deloittes purpose is to make an impact that matters for our people, clients, and communities. At Deloitte, purpose is synonymous with how we work every day. It defines who we are. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. Learn more. Professional development From entry-level employees to senior leaders, we believe theres always room to learn. We offer opportunities to build new skills, take on leadership opportunities and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their career. As used in this posting, "Deloitte" means Deloitte Tax LLP, a subsidiary of Deloitte LLP. Please see for a detailed description of the legal structure of Deloitte LLP and its subsidiaries. Certain services may not be available to attest clients under the rules and regulations of public accounting. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Qualified applicants with criminal histories, including arrest or conviction records, will be considered for employment in accordance with the requirements of applicable state and local laws, including the Los Angeles County Fair Chance Ordinance for Employers, City of Los Angeless Fair Chance Initiative for Hiring Ordinance, San Francisco Fair Chance Ordinance, and the California Fair Chance Act. See notices of various fair chance hiring and ban-the-box laws where available. Fair Chance Hiring and Ban-the-Box Notices | Deloitte US Careers Requisition code: 315506 Job ID 315506 Position Summary If you are a technology visionary with a passion for transforming global tax business with digital technology, consider working with the US Tax Transformation technology team. This is an exciting opportunity to support global execution of Deloittes tax strategy as we shift from doing digital to being digital by reimagining how we engage with our clients, deliver our services, operate our business, and create value. Work youll do As a Deloitte Lead AI Security Engineer, you will be crucial in safeguarding our advanced AI models, data, and infrastructure. You'll work closely with Data Scientists, Data Engineers, and MLOps/DevOps teams. Additional responsibilities include: • Implement defences against AI-specific attacks (adversarial, prompt injection, data leakage) • Conduct AI-focused security assessments, penetration tests, red/purple team exercises • Analyse AI system vulnerabilities, develop mitigation strategies, and create AI risk heat maps • Implement security controls throughout the AI/ML lifecycle (data handling, training with GPU isolation, deployment, monitoring, versioning, provenance). Integrate SAST/DAST for ML artifacts • Manage audit trails and automated compliance checks • Implement AI-specific incident response and develop regulatory disclosure playbooks • Manage AI security monitoring, implement executive dashboards linking security to business KPIs, develop security metrics (Adversarial Risk Score, Model Drift Index) • Implement secure training environments and fine-grained data access controls • Contribute to AI-generated fraud detection in transaction monitoring systems. • Act as an AI security SME, continuously research emerging threats The Team Deloitte Tax LLP's Tax Transformation Office (TTO) is responsible for the design, development, and deployment of innovative, enterprise technology, tools, and standard processes to support the delivery of tax services. The TTO team focuses on enhancing Deloitte Tax LLPs ability to deliver comprehensive, value-added, and efficient tax services to our clients. It is a dynamic team with professionals of varying backgrounds from tax technical, technology development, change management, Six Sigma, and project management. The team consults and executes on a wide range of initiatives involving process and tool development and implementation including training development, engagement management, tool design, and implementation. Qualifications and Skills Required: • Ability to perform job responsibilities within a hybrid work model that requires US Tax professionals to co-locate in person 2 3 days per week • Bachelors degree in a relevant discipline • 3+ years cybersecurity experience (application, cloud and data security) including translating regulatory frameworks (NIST AI RMF, EU AI Act) into technical controls. • Demonstrated proficiency in security scripting, automation, and tool development. • Hands-on experience with the Azure Cloud ecosystem and its security services. • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve • Limited sponsorship may be available. • One of the following active accreditations obtained, in process, or willing and able to obtain: • Licensed CPA in state of practice/primary office if eligible to sit for the CPA • If not CPA eligible: • Licensed Attorney • Enrolled Agent • Technology Certifications: • AWS Certified Solutions Architect • Certified Information Systems Security Professional (CISSP) • Certified SAFe Agile Software Engineer • Certified SAFe Agilist • Certified SAFe DevOps Practitioner • Certified Secure Software Lifecycle Professional (CSSLP) • Certified Secure Software Lifecycle Professional (CSSLP) (ISC)2 • ISTQB (International Software Testing Qualifications Board) • ITIL Certification • Microsoft Azure • SEI - Software Engineering Institute Certification Preferred: • Expertise in identifying and mitigating AI/ML security threats, including adversarial attacks, prompt injection, and data leakage. • Solid knowledge of AI/ML security frameworks (NIST AI RMF, OWASP, ISO/IEC 27001) and ability to apply them as technical controls. • Experience applying data privacy regulations (GDPR, DORA, EU AI Act) in enterprise AI environments. • Proficiency with Azure security tools (Sentinel, Monitor, Policy, Purview, Key Vault, Azure ML). • Hands-on skills in securing and monitoring MLOps/LLMOps pipelines, including data versioning, provenance, GPU isolation, and deployment. • Ability to automate compliance, incident detection, and security assessments for AI/ML models, using Azure Monitor, KQL, and related tools. • Experience designing secure training environments and implementing fine-grained data access controls. • Track record of researching and deploying innovative AI security solutions; recognized as a subject matter expert (SME). • Strong communication and collaboration abilities with technical and business teams, translating security risks into actionable business insights. The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $84,980 to $193,440 You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance. Information for applicants with a need for accommodation: Recruiting tips From developing a stand out resume to putting your best foot forward in the interview, we want you to feel prepared and confident as you explore opportunities at Deloitte. Check out recruiting tips from Deloitte recruiters. Benefits At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Deloitte can mean for you. Our people and culture Our inclusive culture empowers our people to be who they are, contribute their unique perspectives, and make a difference individually and collectively. It enables us to leverage different ideas and perspectives, and bring more creativity and innovation to help solve our clients' most complex challenges. This makes Deloitte one of the most rewarding places to work. Our purpose Deloittes purpose is to make an impact that matters for our people, clients, and communities. At Deloitte, purpose is synonymous with how we work every day. It defines who we are. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. Learn more. Professional development From entry-level employees to senior leaders, we believe theres always room to learn. We offer opportunities to build new skills, take on leadership opportunities and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their career. As used in this posting, "Deloitte" means Deloitte Tax LLP, a subsidiary of Deloitte LLP. Please see for a detailed description of the legal structure of Deloitte LLP and its subsidiaries. Certain services may not be available to attest clients under the rules and regulations of public accounting. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Qualified applicants with criminal histories, including arrest or conviction records, will be considered for employment in accordance with the requirements of applicable state and local laws, including the Los Angeles County Fair Chance Ordinance for Employers, City of Los Angeless Fair Chance Initiative for Hiring Ordinance, San Francisco Fair Chance Ordinance, and the California Fair Chance Act. See notices of various fair chance hiring and ban-the-box laws where available. Fair Chance Hiring and Ban-the-Box Notices | Deloitte US Careers Requisition code: 315506 Job ID 315506 Caution against fraudulent job offers! We have been informed of instances where jobseekers are led to believe of fictitious job opportunities with Deloitte US (Deloitte). In one or more such cases, false promises of actual or potential selection, or initiation or completion of the recruitment formalities appear to have been or are being made. Some jobseekers appear to have been asked to pay money to specified bank accounts of individuals or entities as a condition of their selection for a job with Deloitte. These individuals or entities are in no way connected with Deloitte and do not represent or otherwise act on behalf of Deloitte. We would like to clarify that: • At Deloitte, ethics and integrity are fundamental and not negotiable. • We are against corruption and neither offer bribes nor accept them, nor induce or permit any other party to make or receive bribes on our behalf. • We have not authorized any party or person to collect any money from jobseekers in any form whatsoever for promises of getting jobs in Deloitte. • We consider candidates on merit and that we provide an equal opportunity to eligible applicants. • No one other than designated Deloitte personnel (e.g., a Deloitte recruiter or Deloitte hiring partner) is permitted to extend any job offer from Deloitte. Anyone who at any time has made or makes any payment to any party in exchange for promises of job or selection for a job with Deloitte or any matter related to this (including those for registration, verification or security deposit) or otherwise engages with any such person who has made or makes fraudulent promises or offers, does so (or has done so) entirely at their own risk. Deloitte takes no responsibility or liability for any such unauthorized or fraudulent actions or engagements. We encourage jobseekers to exercise caution.

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