Overview: Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership.

For further information about Nomura, visit www.nomura.com Nomura Services India, (Powai) supports Nomura’s businesses around the world. Powai’ s world class capabilities in trading support, research, information technology, financial control, operations, risk management and legal support have played a key role in facilitating Nomura’s global operations and are an integral part of Nomura’s global expansion plans. The Powai operation is a critical part of the platform to support the growth of Nomura’s global business.

FortiGate Firewall Operations & Management Deploy, and maintain enterprise FortiGate firewall infrastructure and Security Fabric

Configure and optimize FortiGate security policies, NAT rules, and traffic shaping

Manage FortiManager for centralized policy management and FortiAnalyzer for logging and reporting

Implement and maintain FortiGate high availability (HA) clusters and virtual domains (VDOMs)

Perform advanced troubleshooting using FortiGate CLI and diagnostic tools

Manage FortiGate firmware upgrades, patches, and security updates F5 BIG-IP Administration & Optimization Configure and maintain F5 BIG-IP systems including LTM, GTM, ASM, and APM modules

Design advanced load balancing configurations with custom health monitors and persistence

Implement SSL/TLS termination, certificate management, and SSL offloading strategies

Develop and maintain complex iRules for application-specific traffic management

Configure F5 Application Security Manager (ASM) policies and web application firewall rules





Manage F5 Access Policy Manager (APM) for secure remote access and authentication

Perform F5 system maintenance, upgrades, and disaster recovery procedures Technical Leadership & Incident Response Serve as Level 3 escalation point for complex FortiGate and F5 technical issues

Lead critical incident response for security breaches and application delivery failures

Conduct root cause analysis and implement preventive measures

Develop technical documentation, runbooks, and knowledge base articles

Participate in 24/7 on-call rotation for emergency response Required Qualifications

Technical Skills Expert-level FortiGate proficiency: FortiOS configuration and management

FortiManager and FortiAnalyzer administration

Security Fabric implementation and management

VPN technologies (SSL VPN, IPSec)

VDOM configuration and management

FortiGate clustering and high availability Advanced F5 BIG-IP expertise: Local Traffic Manager (LTM) advanced configurations

Global Traffic Manager (GTM) for DNS load balancing

Application Security Manager (ASM) policy management

Access Policy Manager (APM) implementation iRules development and troubleshooting

SSL certificate lifecycle management Robust understanding of network protocols (TCP/IP, HTTP/HTTPS, DNS)

Experience with network packet analysis and troubleshooting tools

Knowledge of application delivery and web application security concepts Certifications Fortinet Network Security Expert (NSE 7 or NSE 8) F5 Certified Technology Specialist (F5-CTS) F5 Certified Solution Expert (F5-CSE) - Highly Preferred

Fortinet NSE 4 Security Professional - Minimum Required

Additional security certifications (CISSP, CISM)



- Preferred Experience Minimum 7-10 years of network security and application delivery experience

At least 4-5 years of hands-on FortiGate administration experience

Minimum 3-4 years of F5 BIG-IP management experience

Proven experience in large-scale enterprise environments (1000+ users)

Background in incident response and security operations Soft Skills Exceptional troubleshooting and analytical skills

Strong communication abilities for technical and executive audiences

Ability to work effectively under pressure during critical incidents

Leadership and mentoring capabilities

Detail-oriented with strong security mindset

Flexibility for on-call duties and emergency response Technical Environment FortiGate firewalls (physical and virtual) in clustered configurations

FortiManager and FortiAnalyzer for centralized management

F5 BIG-IP systems in active-active and active-passive deployments

Hybrid cloud environments with on-premises and cloud integration

Enterprise monitoring and logging platforms

Network automation and orchestration tools Work Environment Hybrid work arrangement

Rotating on-call schedule for critical system support

Collaborative team environment with cross-functional projects

Continuous learning culture with access to latest technologies

Regular interaction with vendor technical support and engineering teams

Equal Opportunity Employer: Nomura is an equal opportunities employer. We are committed to providing equal opportunities throughout employment including in the recruitment, training and development of employees (including promotion, transfers, assignments and beliefs). We prohibit discrimination in the workplace whether on grounds of gender, marital or domestic partnership status, pregnancy, career’s responsibilities, sexual orientation, gender identity, race, color, national or ethnic origins, religious belief, disability or age.

Our objective is to attract job applications and applications for development from the best possible candidates and to retain the best people.

📌 Network Engineer (Mumbai)
🏢 Nomura Holdings
📍 Mumbai