Network/Security Consultant
IT Service ManagementBrussels

Sylvain Marsal
Recruiter
This position is with a prestigious European institution that delivers critical services and has implemented a state-of-the-art infrastructure using top-tier vendors for network, security, and cloud solutions. We are looking for an experienced Senior Network Security Engineer to join our team. The ideal candidate will have a strong background in advanced networking, high-availability design, security, automation, and modern infrastructure technologies.
Key Skills:
- Design and implement resilient, scalable network architectures across data centres, ensuring optimal performance, reliability, and fault tolerance.
- Manage ISP multi-homing configurations with BGP and IP-based network underlays using Cisco solutions (experience with IOS-XE, NX-OS, and products such as ASR and Nexus 9000 switches).
- Implement and oversee load balancing solutions to enhance traffic distribution and ensure continuous availability.
- Provide network security expertise, including Cisco ASA VPN, Cisco Secure Client, Checkpoint Firewalls, and FortiGate SD-WAN.
- Automate network infrastructure management and deployment tasks using Python, Ansible, and/or Terraform.
- Develop and maintain automation workflows leveraging API calls using industry standards like REST API, RESTCONF, and NETCONF for seamless integration and automation.
- Possess a strong understanding of Kubernetes architecture and configure application delivery using ingress rules and network policies to deploy workloads.
- Collaborate with cross-functional teams to ensure smooth network deployment and troubleshooting.
- Design, implement, and manage SDN Datacentre environments using NSX and Cisco ACI.
- Demonstrate strong knowledge of Kubernetes architecture and configure application delivery with ingress rules and network policies for workload deployment.
Required Skills and Experience:
- Proven track record in designing high-availability network solutions across data centres, ensuring minimal downtime and effective failover strategies.
- In-depth expertise in ISP multi-homing with BGP, Nexus IP network configurations with NX-OS, and OSPF/BGP routing protocols.
- Strong proficiency in load balancing technologies, including Radware and F5.
- Extensive experience with network security solutions, such as Cisco ASA VPN, Cisco Secure Client (AnyConnect), Checkpoint Firewalls, and FortiGate SD-WAN.
- Proficient in automation using Python, Ansible, and/or Terraform.
- Skilled in developing and managing CI/CD pipelines, with strong knowledge of Git (GitLab/GitHub).
- Solid understanding of data encoding and modelling formats like YAML and JSON.
- Hands-on experience working with API-based technologies, including REST API, RESTCONF, and NETCONF.
- Expertise in SDN, with practical experience in NSX and Cisco ACI.
- Experience managing and orchestrating containerized environments using Kubernetes.
- Ability to design and architect network solutions that ensure scalability, security, and high availability.
Qualifications and Requirements:
- Degree in Computer Science, Networks, Telecommunications, or equivalent (Bachelor’s or Master’s degree).
- CCIE Certification (or equivalent) is required.
- Several years of demonstrated experience in network engineering, specializing in high availability, security, and advanced networking technologies
- Proven expertise in designing network architecture solutions from the ground up, ensuring scalability and reliability.
- Experience in deploying large-scale data centre networks.
- Fluent in English (C Level)
Desirable Certifications:
- Cisco Certifications: CCNP, CCIE, Cisco Certified Specialist (e.g., Data Center, Security, or Service Provider)
- F5 Certifications: F5 Certified BIG-IP Administrator (F5-CA), F5 Certified Solution Expert
- Radware Certifications: Radware Certified Advanced Engineer
- Fortinet Certifications: NSE4, NSE5, NSE7, or higher
- Check Point Certifications: CCSE, CCSM
- VMware Certifications: VCP-DCV, VCAP-DCV
- Cloud Certifications: AWS Certified Solutions Architect, Azure Network Engineer, or other cloud certifications
- CompTIA Certifications: [Specify any relevant certifications]
- Cybersecurity Certifications: CISE (Certified Information Systems Engineer), CISSP (Certified Information Systems Security Professional)
Preferred Skills (Nice to Have):
- Hands-on experience with cloud-native technologies such as AWS and Azure.
- Knowledge of network telemetry and monitoring tools.
- Experience managing multi-cloud or hybrid-cloud environments.
- Understanding of container networking and microservices.
Our Offer:
- Competitive salary package, with or without a company car.
- Personalized training programs and development plans to nurture your skills.
- Comprehensive hospitalization insurance.
- Regular team-building events, learning lunches, and fun activities.
- Embrace the diversity of our multicultural team and enjoy open communication.
Are you ready to become part of a dynamic team with a clear focus on growth and excellence? Apply now and take the first step towards a fulfilling career with CTG IT Solutions.
Please note that a criminal record check will be required for this position.
Discover the exciting opportunities that await you at CTG IT Solutions, where your IT expertise meets a world of possibilities!
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