Lead Cyber Security Engineer (Cloud & Micro-Segmentation)

Citibank (Switzerland) AG; Warszawa; Hybrid; PLN 250,000 - 380,000; Full time

Benefits offered by this job

Pension 6%

Private medical care

Life Insurance

Employee Assistance Program

Parental Leave

Job summary

Citibank (Switzerland) AG in Warsaw, Poland is hiring a Lead Cyber Security Engineer (Cloud & Micro-Segmentation) for a hybrid, full-time role. You will shape scalable security architectures, drive segmentation initiatives, and work with cross-functional teams to enhance Citi’s cloud security posture.

The role requires 5+ years in cybersecurity or IT engineering within large enterprises, with hands-on expertise in micro-segmentation technologies and cloud security.

Qualifications

• 5+ years of progressive cybersecurity/IT engineering experience in a large-enterprise setting.
• Strong leadership or senior engineering track record with complex programs.
• Hands-on micro-segmentation and network segmentation expertise.
• Deep knowledge of cloud security, firewalls, and segmentation technologies.
• Familiarity with industry security standards and compliance requirements.

Responsibilities

• Design and deploy scalable security architectures for cloud and on-premise environments.
• Collaborate with architects, CSOs, and engineers across Citi groups.
• Develop and maintain micro-segmentation controls using relevant tools.
• Lead automation initiatives and scripting to optimize operations.
• Mentor junior engineers and drive risk-aware decision making.
• Ensure compliance with applicable laws, rules, and internal policies.

Skills

Micro-segmentation

VMware vDefend

Illumio

Zscaler

Palo Alto Networks

Cloud security

Firewalls

Linux/Unix

Leadership

Education

Bachelor's degree

Master's degree

Tools

VMware vDefend

Illumio

Zscaler

Palo Alto Networks

Job description

## Lead Cyber Security Engineer (Cloud & Micro-Segmentation)Apply: Hybrid: Warsaw Poland: Full time: Posted Yesterday: 26997987**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.****Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.**