Lead Cyber Security Engineer (Cloud & Micro-Segmentation)

Citigroup Inc.; Warszawa; Hybrid; PLN 242,000 - 412,000; Full time

Benefits offered by this job

Pension plan

Private medical care

Life insurance

Employee assistance

Parental leave

Sport card

Flex benefits

Annual incentive

Employee discounts

Volunteer day

Job summary

Citi Solutions Center Poland is seeking a Lead Cyber Security Engineer to drive scalable security architectures and cross-functional collaboration in Warsaw. You will influence roadmaps, implement robust segmentation, and lead automation to streamline operations.

The role requires strong leadership, cloud security expertise, and a deep understanding of industry standards. The team operates with hybrid flexibility and a focus on risk and compliance.

Qualifications

• 5+ years of progressive experience in cybersecurity, technology infrastructure, or IT engineering within a large-scale enterprise.
• Proven leadership or senior engineering experience driving large transformations.
• Hands-on with segmentation technologies: Illumio, VMware vDefend, Zscaler, Palo Alto.

Responsibilities

• Strategic collaboration with program directors, architects, and security leaders.
• Design, deploy, and maintain VMWare vDefend security controls and micro-segmentation.
• Governance: liaison with Security Architecture Council and cross-functional teams.
• Support cloud adoption and digital transformation initiatives.
• Develop automation scripts to streamline deployments and patching.
• Plan projects, analyze impacts, and ensure rapid service restoration.
• Review requirements, define hardware specs, and optimize processes.
• Mentor junior engineers and provide technical guidance.
• Drive risk-aware decision making and long-term problem prevention.

Skills

Cybersecurity experience

Leadership

Segmentation tech

Cloud security

Security standards

Ownership

Problem solving

Communication

Linux admin

Network services

Education

Bachelor’s degree

Master’s degree preferred

Tools

Illumio

VMware vDefend

Zscaler

Palo Alto

Job description

Position Overview

As a Lead Cyber Security Engineer, you will drive the design, acquisition, and deployment of hardware, software, and network infrastructure in close coordination with the broader Technology team. Your primary objective is to ensure that existing and planned security frameworks meet the highest quality and compliance standards.

Cloud Technology Services (CTS) delivers integrated risk reduction capabilities aligned with our long-term architectural goals. In this role, you will define highly scalable, integrated security architectures, influence product roadmaps, and drive interoperability across a complex end-to-end network and cloud security ecosystem, always keeping the client experience at the forefront.

Responsibilities

• Strategic Collaboration:Partner with Transformation Program Directors, Senior Architects, Steering Committees, CISO, and CTI partners to successfully deliver complex, enterprise-wide transformational programs.


• Segmentation Engineering:Collaborate with Citi’s Cyber Security Lab, Architecture, and Engineering teams to design, deploy, and maintain robust VMWare vDefend Security Controls and micro-segmentation solutions.


• Governance & Relationship Management:Interface with and support Citi’s Security Architecture Council and Working Groups, building strong rapport and alignment across cross-functional teams.


• Digital Transformation:Support Citi’s adoption of the cloud continuum and holistic digital transformation initiatives.


• Automation & Scripting:Develop automation scripts (using Python, Shell, etc.) to streamline repetitive operational tasks, including software installations/upgrades, database patching, OS patching, and server provisioning.


• Project & Incident Management:Formulate comprehensive project plans, conduct thorough impact analyses, and troubleshoot high-impact, complex technical issues to ensure rapid service restoration.


• Process Optimization:Review technical requirement documents, define hardware specifications, and continuously evaluate and optimize engineering processes and procedures.


• Mentorship & Leadership:Provide technical and strategic guidance, acting as a mentor and coach to junior engineers while operating with high autonomy.


• Problem Management:Drive technical direction and strategic decision-making by designing, discussing, and implementing long-term solutions to prevent recurring issues.


• Risk & Compliance:Proactively assess risk during business decision-making, ensuring safeguarding of Citigroup's reputation, clients, and assets by driving compliance with applicable laws, rules, regulations, and internal policies.

Qualifications

• Experience:5+ years of progressive experience in cybersecurity, technology infrastructure, or IT engineering within a large-scale enterprise.


• Leadership:Proven track record in leadership or senior engineering roles, successfully driving large-scale programs or technology transformation initiatives.


• Security & Segmentation Expertise:Hands-on experience with micro-segmentation and network segmentation technologies (e.g., Illumio, VMware vDefend, Zscaler, Palo Alto Networks).


• Technical Knowledge:Deep technical knowledge of cybersecurity solutions, focusing on cloud security, firewalls, and network/macro/micro-segmentation.


• Standards & Compliance:Thorough understanding of industry-standard security frameworks and corporate technology compliance standards.


• Execution & Ownership:Strong ownership mindset with the ability to manage multiple concurrent projects under pressure in a fast-paced, cross-functional environment.


• Problem Solving:Advanced analytical, troubleshooting, and problem-solving capabilities.


• Communication:Excellent written and verbal communication skills, with the ability to present complex technical concepts clearly to both technical and non-technical stakeholders.


• Systems Administration:Experience with Linux/Unix system administration is highly desirable.


• Network Services:Solid understanding of proxy functionalities, features, and network traffic management.

Education

• Bachelor’s degree/University degree or equivalent experience.


• Master’s degree preferred.

We offer:

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.

Job Family Group:

Technology

Job Family:

Systems & Engineering

Time Type:

Full time

Primary Location Full Time Salary Range:

241750,00zł - 411650,00zł

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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

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