3 days ago
Budapest, HungarySenior / Staff+
Responsibilities
- Architect and develop enterprise cryptographic architectures with a focus on PKI, certificate lifecycle management, and automation.
- Integrate quantum-resilient PKI, hybrid certificate architectures, and certificate management technologies with Citi platforms.
- Evaluate, test, benchmark, and certify PKI and HSM cryptographic technologies against Citi standards.
- Provide occasional fourth-level support and technical leadership for the security product toolset.
- Produce high-level and low-level architecture documentation, procedures, and cryptographic migration roadmaps.
- Develop enterprise middleware integrations and security tools using Java and follow the Technology Development Life Cycle.
Requirements
- 6–10 years of relevant experience in PKI and certificate lifecycle management engineering.
- Bachelor’s or university degree required; master’s degree preferred.
- Advanced understanding of Microsoft Windows and Linux/Unix environments.
- Deep understanding of TLS 1.3 hybrid key exchange, mTLS, SSH, IPsec, and X.509 standards.
- Strong object-oriented programming experience with hands-on Java development, including Java 17/21 and Spring Boot.
- Programming experience in Python and C#.
- Hands-on experience with Bouncy Castle PQC APIs, OpenSSL/liboqs, and JCA/JCE providers.
- Knowledge of security engineering principles, certificate ecosystems, information security concepts, and secure development or shift-left security practices.
- Familiarity with NIST 800-57 Part 1 Revision 6 and NIST IR 8547, plus AWS, GCP, and Azure key-management technologies and infrastructure-as-code tools.
- Fluency in English.
Benefits
- Hybrid working model with up to two days working from home per week in Budapest.
- Cafeteria program and home office allowance for hybrid workers.
- Paid parental leave, private medical care, onsite medical rooms, pension contribution, group life insurance, and employee assistance program.
- Access to learning and development programs, online course libraries, and upskilling platforms including Udemy and Degreed.
- Flexible work arrangements, career progression opportunities, and socially active employee communities.
About Citi
Citi is a public financial-services company offering consumer and institutional banking, credit cards, wealth management, treasury and trade solutions, and capital-markets services. It serves individuals, corporations, financial institutions, and governments in more than 160 countries and jurisdictions, earning interest and fee income from lending, payments, trading, and advisory. Founded in 1812 and headquartered in New York, it trades on the NYSE under the ticker C.