Senior Network Security Engineer - Cloud & SDN Specialist | Full-time
As a Senior Network Security Engineer, you will spearhead critical infrastructure protection initiatives while implementing cutting-edge networking solutions in our dynamic technology environment. You'll safeguard our systems against sophisticated cyber threats through advanced architecture design, continuous optimization, and proactive security measures. This office-based role offers exceptional growth opportunities for experienced network professionals seeking to make significant impact on enterprise security posture.
Key Responsibilities
- Manage and optimize KPN network infrastructure, ensuring 99.99% uptime and implementing robust security protocols across all business-critical applications.
- Architect and deploy Software-Defined Networking (SDN) solutions to enhance network flexibility, performance, and security posture enterprise-wide.
- Conduct comprehensive network monitoring using advanced security tools and SIEM solutions to detect and respond to potential security breaches in real-time.
- Lead incident response efforts, coordinate recovery procedures, and develop sophisticated preventive measures based on current threat intelligence.
- Drive continuous network optimization initiatives through performance analysis, proactive troubleshooting, and strategic enhancement planning.
- Maintain and administer security certificates for web portals and critical systems, ensuring proper PKI infrastructure implementation.
- Collaborate effectively with the System Engineering team, providing cross-training and serving as technical backup when required.
- Partner with the Chief Information Security Officer to implement organization-wide security policies aligned with industry frameworks and compliance standards.
- Evaluate emerging network technologies to enhance scalability, reliability, and threat protection capabilities while optimizing operational expenditure.
- Document comprehensive network architecture, security protocols, and disaster recovery procedures to ensure business continuity during critical incidents.
- Conduct regular vulnerability assessments and collaborate on penetration testing initiatives to identify and remediate potential security weaknesses.
Required Skills & Qualifications
- HBO or WO degree in Computer Science, Network Engineering, Information Technology, or related technical discipline.
- Minimum 3 years of professional experience in network engineering, with at least 2 years in security-focused roles.
- Current CCNA certification with demonstrated practical application of advanced networking concepts.
- Proven expertise with modern networking technologies including routing, switching, firewalls, load balancers, and VPN implementations.
- Hands-on experience implementing and managing security frameworks such as NIST Cybersecurity Framework, ISO 27001, or CIS Controls.
- Proficiency in network troubleshooting methodologies, performance optimization techniques, and security hardening practices.
- Working knowledge of cloud networking principles (AWS, Azure, or GCP) and hybrid infrastructure security.
- Basic understanding of Microsoft systems administration (MCSE concepts) and directory services integration.
- Experience with enterprise-grade network monitoring tools and security information event management solutions.
- Strong analytical capabilities with demonstrated ability to prioritize effectively under pressure while managing concurrent projects.
- Excellent team collaboration skills with a proactive approach to problem-solving and knowledge sharing across departments.
Nice to Have
- Additional certifications such as CCNP, CompTIA Security+, CISSP, or cloud platform-specific credentials.
- Experience with network automation tools and scripting languages (Python, Ansible, Terraform).
- Knowledge of containerization technologies and associated networking frameworks (Docker, Kubernetes).
- Familiarity with Zero Trust security architecture implementation in enterprise environments.
Why Join Our Team
Join our forward-thinking technology division where your network security expertise will directly impact organizational resilience and digital transformation success. We foster an environment that encourages professional development, collaborative innovation, and technical excellence. As our Network Security Engineer, you'll work with leading-edge technologies while developing your skills in a supportive team atmosphere that truly values your contributions. Your role will be instrumental in protecting our digital assets and enabling secure business operations, providing both professional satisfaction and technical challenges.