
Senior Lead Cloud Security Threat Modeler
- Job Req Id:
- 25913897
- Location(s):
- London, England, United Kingdom
- Job Type:
- On-Site/Resident
- Posted:
- Oct. 17, 2025
Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
The Information Security Prof Senior Lead Analyst is an intermediate level position responsible for driving efforts to prevent, monitor and respond to information/data breaches and cyber-attacks. The overall objective of this role is to ensure the execution of Information Security directives and activities in alignment with Citi's data security policy.
Responsibilities:
- Evaluate and recommend new and emerging external products and technologies to implement
- Work with the internal Applications Development function to drive the development of strategies and plans for improving both architecture and application security
- Conduct and facilitate security reviews and table-top/red-team/scenario analysis exercises in conjunction with other Subject Matter Experts by monitoring changes in the risk profile and exposure for the application
- Identify new requirements / enhancements to standards, tools, and processes
- Define secure configurations leveraging technical knowledge and problem solving skills in the network, database, server and desktop technology areas in accordance with the secure process and develop functional specifications and documentation
- Assist with responsibilities over the technical strategy for an area, technical integrity of process, operations, and associated results
- Participate in the evaluation and selection of applications and systems with specific focus on IS implications
- Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
Qualifications:
- Substantial proven relevant experience
- Additional technical certifications preferred
- Demonstrated ability to take ownership and follow up on issues
- Demonstrated ability to work in a team and to work well under pressure
- Advanced analytical and problem solving skills
- Consistently demonstrates clear and concise written and verbal communication
- Proficient in interpreting and applying policies, standards and procedures
- Demonstrated ability to remain unbiased in a diverse working environment
Education:
- Bachelor’s degree/University degree or equivalent experience
- Master’s degree preferred
What we’ll provide you
By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
- 27 days annual leave (plus bank holidays)
- A discretional annual performance related bonus
- Private Medical Care & Life Insurance
- Employee Assistance Program
- Pension Plan
- Paid Parental Leave
- Special discounts for employees, family, and friends
- Access to an array of learning and development resources
https://jobs.citi.com/about-us#benefits
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Information Security------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.

Global Benefits
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