Biometrics and Mobile Security Production Support Engineer

BUDAPEST, HungaryPosted Jul 28, 2026

This position is a seasoned professional role. Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flow for the area or function. Integrates subject matter and industry expertise within a defined area. Requires in-depth understanding of how areas collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the function and overall business. Evaluates moderately complex and variable issues with substantial potential impact, where development of an approach/taking of an action involves weighing various alternatives and balancing potentially conflicting situations using multiple sources of information. Requires good analytical skills in order to filter, prioritize and validate potentially complex and dynamic material from multiple sources. Strong communication and diplomacy skills are required. Regularly assumes informal/formal leadership role within teams. Involved in coaching and training of new recruits. Significant impact in terms of project size, geography, etc. by influencing decisions through advice, counsel and/or facilitating services to others in area of specialization. Work and performance of all teams in the area are directly affected by the performance of the individual.

Responsibilities:

  • Support business and work with System administrators, developers, and analysts with troubleshooting issues.
  • Perform change management and incident management utilizing documented procedures through change management tools
  • Support service recovery procedures
  • Participate in Problem Management processes to identify solutions for recurring problems.
  • Document problem resolutions and publish knowledgebase.
  • Work with vendor support, System administrators / architects on a regular basis and track issues to closure as a Subject Matter Expert.
  • Support maintenance and migrations on the Authentication infrastructure.

Qualifications: Must-have Skills

  • 8+ years of relevant industry experience in one or more of the following Authentication products for Mobile Biometrics would be advantageous.
  • Proficiency in Unix shell scripting and any of the programming languages like JAVA would be advantageous.
  • Experience supporting REST and SOAP API web services calls
  • Experience with Multifactor Authentication systems using Voice, Mobile Soft Tokens and SMS OTP.
  • Experience with Middleware Products like IBM/Apache HTTP Server and Application servers IBM WASND/Tomcat Servers.
  • Conversant in Linux-based environments (RHEL) that includes being conversant in terminal commands and developing shell scripts.
  • Experience with critical production server support, application upgrades and project lifecycle/ SDLC processes.
  • Experience with Mobile Security and Publishing to Apple and Google Play Store.

Desired Skills

  • Good knowledge on Mobile development Platforms (IOS, Android).
  • Experience with supporting one-time password technology using Voice, SMS, and Biometrics products
  • Experience in High-level Programming languages like JAVA and Unix shell scripting.
  • Experience working Linux environment is highly desirable for this role.
  • Familiarity with IT Service Management processes based on the ITIL framework

What we can offer you:

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.

Sounds like Citi has everything you need?

Then apply to discover the true extent of your capabilities.

#LI-AE1

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Job Family Group:

Technology

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Job Family:

Applications Support

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Time Type:

Full time

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Primary Location Full Time Salary Range:

10 627 270,00 Ft - 17 818 330,00 Ft

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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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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.

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