Senior Network Security Engineer

HCLTech; Paris; Hybride; EUR 75 000 - 110 000; Plein temps

Avantages offerts par ce poste

Up to 25 days vacation

Insurance packages

Résumé du poste

HCLTech in Paris is seeking a Network & Security Infrastructure Engineer with 8+ years of experience to manage enterprise network, connectivity and security services. The role focuses on operational support, troubleshooting and implementing changes in a hybrid onsite/remote environment.

You will work with Cisco, F5, Checkpoint, Palo Alto, DNS/proxy, and load balancing, and collaborate with infrastructure, security and application teams. Fluent English is required; French appreciated.

Qualifications

• Strong experience in network engineering or network security operations.
• Knowledge of routing, switching, firewalling, load balancing and DNS/proxy services.
• Experience with enterprise vendors such as Cisco, F5, Checkpoint, Palo Alto or equivalent.
• Ability to troubleshoot complex production incidents.
• Knowledge of monitoring and operational support practices.
• Understanding of network security principles.
• Good documentation and analytical skills.

Responsabilités

• Operate and support network and security infrastructure components.
• Manage routing, switching, firewall, proxy, DNS and load balancing activities.
• Troubleshoot complex network or connectivity incidents.
• Implement changes, upgrades and technical improvements.
• Support monitoring, performance analysis and capacity activities.
• Collaborate with infrastructure, security, application and production teams.
• Document network procedures and technical standards.
• Contribute to service stability and continuous improvement.

Connaissances

Network engineering

Network security

Routing & switching

DNS & proxy

Firewall management

Incident troubleshooting

English communication

Description du poste

HCLTech is a global technology company, spread across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. We re powered by our people a global, diverse, multi-generational talent - representing 161 nationalities whose unique spark, perspective and boundless passion drive our culture of proactive value creation and problem-solving.

Our purpose is to bring together the best of technology and our people to supercharge progress for everyone, everywhere our clients, partners, their stakeholders, communities, and the planet. As a company, we are deeply focused on accelerating our ESG agenda. We are also creating technology-enabled sustainable solutions with and for our clients and partners. We embed ESG imperatives into every aspect of our business and ensure that the progress we supercharge is responsible, inclusive and beneficial to all our stakeholders in the long term. We have committed to achieving net zero by 2040.

To learn more about how we can supercharge progress for you, visit www.hcltech.com

Job Title: Network & Security Infrastructure – Cisco / Firewall / Load Balancer / DNS Engineer

Location: Paris, France (Hybrid 3 days in a week onsite)

Years of relevant experience: +8 years

Language: English required; French appreciated

Level of expertise: Senior / Expert

Keywords

Overview

The Network & Security Infrastructure Engineer provides technical expertise in enterprise network, connectivity and security infrastructure. The role focuses on operational support, troubleshooting, change implementation and continuous improvement of network services.

Responsibilities

• Operate and support network and security infrastructure components.
• Manage routing, switching, firewall, proxy, DNS and load balancing activities.
• Troubleshoot complex network or connectivity incidents.
• Implement changes, upgrades and technical improvements.
• Support monitoring, performance analysis and capacity activities.
• Collaborate with infrastructure, security, application and production teams.
• Document network procedures and technical standards.
• Contribute to service stability and continuous improvement.

Mandatory skills

• Strong experience in network engineering or network security operations.
• Knowledge of routing, switching, firewalling, load balancing and DNS/proxy services.
• Experience with enterprise vendors such as Cisco, F5, Checkpoint, Palo Alto or equivalent.
• Ability to troubleshoot complex production incidents.
• Knowledge of monitoring and operational support practices.
• Understanding of network security principles.
• Good documentation and analytical skills.
• Strong communication skills in English.

Specific requirements

• Ability to work autonomously in production environments.
• Strong troubleshooting and incident management mindset.
• Ability to document procedures and technical changes.
• Availability for hybrid work in Paris.

Appreciated skills

• Automation scripting
• Zero Trust awareness
• Network monitoring tools
• Security certifications
• A supportive, diverse, and global team with a brilliant culture.
• Competitive compensation and benefits that includes up to 25 days’ vacation per year, various insurances like Term life and Business Travel insurance. These are apart from the statutory benefits applicable in the country. Employee benefits are regulated by an internal policy that contains full details regarding the entitlement and conditions for the benefits as per the law of the land.
• Great opportunities to make the role your own, upskill yourself and get involved with exciting projects.
• Total Wellbeing is our focus. Alongside your professional excellence, you join the likeminded colleagues to create a larger impact within the company and society at large in your chosen area of passion - CSR Council, Diversity Council, Women Connect, Sparks – Engagement Champion to name a few.
• To know more about us visit – www.hcltech.com