Senior Security Engineer - Network Security (CISSP)
On-site · Stockholm, Stockholm, Sweden
Job Summary
Senior Security Engineer focused on network security architecture and implementation across on-prem and cloud environments. Lead design and optimization of network security policies and monitoring (NDR, SSE, SD-WAN, proxies); drive modernization from legacy systems to SSE and ZTNA; conduct risk assessments, threat modelling, and security reviews; ensure ISO/NIST/GDPR compliance; configure and troubleshoot security devices/services across on-prem and cloud with advanced L-3 support. Collaboration with cross-functional teams and store/data center networks to strengthen security posture and maturity.
Required Qualifications
- 6+ years of experience in cybersecurity engineering, with a focus on network environments
- Strong, practical knowledge of network security technologies (firewalls, IDS/IPS, SWG, SASE, VPN, CASB, ZTNA)
- Cloud platforms: Azure, GCP
- Security architecture methodologies and governance frameworks
- Experience with security products from Cisco, HP Aruba, Zscaler and Citrix NetScaler
- Strong knowledge of risk assessment and security control frameworks (ISO 27001, NIST)
- Familiarity with security maturity models (C2M2)
- Independent problem-solving across complex security challenges
- Understanding of IP networking and protocols (IPsec, BGP, OSPF, 802.11, QoS)
- Understanding regulatory/compliance requirements (GDPR, PCI-DSS)
Desired Qualifications
- CCNP (Security) or higher-level certifications such as the CCIE
- CISSP or OSCP security certifications
- Azure Security Engineer, or GCP Security Engineer certification
- Experience with Agile methodologies and tools (e.g., Jira/Confluence)
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