Senior PKI/Crypto Engineer

Budapest Hungary
Full-time
Posted Nov 9, 2026

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Skills

C#
Cybersecurity
Java
Python
Test Automation

Job description

Join our Data Security Engineering Team now and be part of our dynamically growing Citi Technology Team in Budapest!

Senior PKI/Crypto Engineer

Within Citi, the Global Data Security Engineering Team is focusing on designing, developing, testing and architecting Citi’s next generation cyber security and cryptography solutions across the globe.

In this role you will be responsible to research, develop and certify security strategies, products, architectures, and best practices. You will also be responsible to define and influence key security strategy initiatives and deliver security solutions that will adhere to all enterprise security requirements with a potential to influence industry wide roadmaps.

You will be responsible for:

•Identifying opportunities to automate and standardize information security controls and for the supported groups.

•Certifying Hardware Security Modules and Crypto applications within Citi and provide Engineering support.

•Working with PKI Subsystems and its components such as key and certificate management

•Participating in Post-Quantum Ready requirement specification and implementations.

•Creating automated testing solution, reviewing, and validating results and prioritizing actions that resolve issues based on overall risk.

•Reducing risk by analyzing the root cause of issues, their impact, and required corrective actions

•Holding the ownership of multiple products and sharing the knowledge of the product with the teammates and helping them to fully understand procedures, best practices, and standards.

Ideal background:

•6-10 years of experience of experience on technology and information security.

•Deep knowledge of crypto techniques and algorithms.

•Solid skills in scripting languages (VB, Bash, PS, expect).

•Strong knowledge and experience of PKCS protocols, JCE and CSP/KSP

•Work with and understand regulatory and risk management requirements

•Strong security mindset

•Fluency in English

•Any experiences with Hardware Security modules

•Programming skills in most common languages (e.g., C , C#, Python, Perl, Java).

•Ability to define deadlines internally and externally and tracking them in multiple projects.

•University / College degree in any STEM area or equivalent industry/technology knowledge

What we can offer:

By joining Citi Hungary, 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 compensation package and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well:

•Cafeteria Program

•Home Office Allowance (for colleagues working in hybrid work models)

•Paid Parental Leave Program (maternity and paternity leave)

•Private Medical Care Program and onsite medical rooms at our offices

•Pension Plan Contribution to voluntary pension fund

•Group Life Insurance

•Employee Assistance Program

•Access to a wide variety of learning and development programs, online course libraries and upskilling platforms, such as Udemy and Degreed

•Flexible work arrangements to support you in managing work - life balance

•Career progression opportunities across geographies and business lines

•Socially active employee communities with diverse networking opportunities

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.

#LI -OD1

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Job Family Group:

Technology ------------------------------------------------------

Job Family:

Systems & Engineering ------------------------------------------------------

Time Type:

Full time ------------------------------------------------------

Primary Location Full Time Salary Range:

17 157 800,00 Ft - 28 767 800,00 Ft ------------------------------------------------------

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.