Technical Information Security Officer (T-iso) & Incident Response Officer

Technical Information Security Officer (T ISO) & Incident Response Officer
At Grant Thornton, you work with colleagues who take cybersecurity seriously.
As part of our CISO Office, you help ensure that security policy does not remain theoretical. You translate requirements into implementable technical baselines, review architecture and changes, assess technical security risks and coordinate the security response during major incidents.
You combine strong technical expertise with governance, collaboration and practical judgement. You know how to challenge constructively, bring structure under pressure and turn complex security topics into clear decisions and actions. What will you do?
As Technical Information Security Officer (T-ISO) & Incident Response Officer, you operate from the CISO Office as a senior second-line professional. You are the technical-security governance counterpart for Information & Automation (I&A). You provide requirements, oversight, advice and challenge, while I&A remains responsible for implementation, technical operation and delivery.
You will: -
Translate cybersecurity policies, controls and risk decisions into technical standards, baselines, acceptance criteria and practical guidance across domains such as identity, cloud, endpoint, network, platform security, secure change and hardening. -
Review security architecture, solution designs, technology choices, changes and releases for security-by-design, risk exposure and alignment with Grant Thornton's security requirements. -
Provide independent second-line challenge and advice to I&A, architects, engineers and project teams, while maintaining a clear boundary between oversight and execution. -
Maintain a sharp distinction from I&A and engineering: you do not structurally implement, configure or operate technical controls; I&A remains accountable for technical delivery. -
Govern vulnerability, threat, logging, monitoring and detection activities b...