Overview of the Role:

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

About the Opportunity:

Are you a talented Public Cloud Network – Security Engineer looking for their next challenge? Do you have a passion for building cutting-edge enterprise products and a hands-on approach to engineering? Join Citi's Cloud Technology Services (CTS) team and be part of our commitment to transform Citi technology, leveraging game-changing Cloud capabilities to drive agility, efficiency, and innovation.

We are providing our businesses with a competitive edge by leveraging public cloud scale and enabling new infrastructure economics As an Network Security Engineer within the Network Infrastructure Team, you will play a pivotal role in shaping and executing our public cloud strategy.

You will be part of a Public Cloud team that continues to deliver big by designing and managing the platform that enables the automated deployment of foundational resources globally across multiple public clouds. This foundation enables the business to deploy critical workloads, from building a cloud base High Performance Compute (HPC) platform to run huge risk calculations, enabling Citi to leverage GenAI at scale, all the way to enabling payment solutions, this team is at the forefront of innovation.

Role Description:

The role of Public Cloud Network – Security Engineer will be instrumental in ensuring Citi public cloud resources deployed in GCP and AWS are secured using industry standard tools and best practices. You will be responsible for designing, certifying, deploying and managing the security network infrastructure resources within GCP and AWS that secure all traffic flows between resource in the cloud and on-premises. The role requires an engineer with expert technical skills and the ability to collaborate with stakeholders and partners throughout the full resource provisioning life cycle, from inception and design, to deployment, operational management and iterative refinement.

You will have a voice within the team to influence strategic decisions, contribute to the creation of roadmaps and engage with key technology and business stakeholders.

The Network Infrastructure Team is based in multiple locations across the globe and comprises of Architects, Cloud Engineers and Security Engineers.

What you’ll do:

• Technical Expertise: design and build highly resilient and scalable security solutions that support the business requirements as part of the organisations public cloud strategy.

• Engineering Excellence: follow engineering best practices and industry standards using modern tooling that enables CI/CD and favours automation, auditability, automated testing, infrastructure and policy as code.

• Collaborative Development: work with a talented team of cloud engineers across the wider Public Cloud team who are responsible for Network, Project / Account Provisioning, Platform, Data, Pipelines, and Operations. You will also work closely with the business functions who are creating / migrating service and applications to the cloud environment.

• Innovate and Automate: identify and develop automated solutions as part of continual improvement to reduce the time to market of cloud services, enhancing client satisfaction and delivering business value.

• Compliance Advocacy: ensure adherence to relevant standards, policies, and regulations, prioritizing the protection of Citi's reputation, clients, and assets.

What we’ll need from you:

• 5+ years of relevant experience in an Engineering role

• You are a talented and experienced Network Security Engineer with a proven track record of infrastructure design, testing and automated deployment via Infrastructure as Code (IaC).

• You will have a expert level understanding of public cloud network security infrastructure services available in GCP and AWS.

• Proven ability to implement network segmentation strategies effectively using cloud native services and resources.

• Ability to work independently, multi-task, and take ownership of various parts of a project or initiative.

• Ability to adapt quickly to changing threat landscapes and business requirements.

• Hands-on experience developing and engineering software solutions and services, with a focus on cloud-native applications

• Understanding of cloud security best practices and compliance frameworks.

• Knowledge of container security and orchestration tools such as Kubernetes.

• Extensive experience with CI/CD methodologies and tools.

• Proficiency in Infrastructure as Code (IaC) deployment using Terraform.

• Proficiency in Python, Golang, AWS/GCP SDKs

Education:

• Bachelor’s degree/University degree or equivalent experience

• Master’s degree preferred

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Job Family Group:

Technology

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Job Family:

Systems & Engineering

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Time Type:

Full time

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Primary Location:

Irving Texas United States

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Primary Location Full Time Salary Range:

$125 760,00 - $188 640,00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Anticipated Posting Close Date:

nov 12, 2026

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Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

Illinois residents – AI Notice and Right

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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.*