Cyber Security Engineer

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills to the Citi Cyber security team where you will be challenged not only to protect our computers but to build and maintain our customers trust.

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

Team/Role Overview

Review, maintain and improve Linux hardening policies following CIS and internal security baselines.

Build automation with Ansible, Python, Bash, and Git, applying ComplianceAsCode standards.

Collaborate with Linux and Qualys Engineering teams while developing the security baselines and corresponding Baseline Configuration Monitoring (BCM) checks.

Assist SA and application teams with troubleshooting issues related to secure configuration.

Assess vendor products to ensure they meet our security requirements.

Produce clear operational and security documentation for global engineering and audit requirements.

What you’ll do

• Review and suggest appropriate Linux security configuration parameters for multiple flavours and version of the Linux operating system.
• Troubleshooting and root cause analysis of complex issues
• Develop automation processes to implement regional and OS specific configurations to meet industry standard and internal security configuration
• Develop in Ansible, Bash and Python to implement security changes.
• Validate and review implemented security configurations
• Collaborate with internal teams and external vendor.

What we’ll need from you

• Experience in Linux System administration especially related to security.
• Familiarity with various orchestration tools such as Ansible
• Coding ability in the following: Bash, Python, Ansible or similar
• Basic understanding of public cloud security models in AWS and GCP
• Good interpersonal skills

What we can offer you

The opportunity to work for a large multinational financial institution that offers industry leading financial services that our customers trust around the world.
Exposure to large scale computing challenges and the opportunity to work with the leading software and hardware vendors. You will be part of a small, dedicated team with decades of IT experience that will support you in your next stage of your career.

By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include:

• Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
• Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
• Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
• Employee Assistance Program financed by Employer
• Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave)
• Sport Card for employees subsidised via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
• Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events.
• Additional day off for volunteering
• Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform.
• Opportunity to receive an annual discretionary incentive award
• Special offers and discounts for employees
• Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract:

https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf

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.

Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.

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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.