Freelance Network Security Engineer
Solliciteren
Plaats
La HulpeBelgië
België
Contract
Vooltijds, Onbepaalde duurDatum gepubliceerd
2026-03-04Online to:
2026-05-03EUR 15.00 HOUR
Freelance Network Security Engineer
- ARHS Group
- België
- 19 uren geleden
In this role, you will be instrumental in
designing, implementing, and maintaining advanced security solutions
that reinforce our security posture. Leveraging your hands‑on experience with Zero Trust principles and segmentation technologies, you will help shape resilient network architectures that protect against evolving threats and unauthorized access. Key Responsibilities Zero Trust Strategy & Implementation Collaborate with cross‑functional stakeholders to assess business and security requirements and define tailored
Zero Trust strategies . Design, build, and implement
Zero Trust architectures
aligned with industry best practices and organizational goals. Develop granular
access control mechanisms
rooted in Zero Trust principles. Network Segmentation & Infrastructure Security Deploy, configure, and optimize
network segmentation
and
micro‑segmentation
solutions to restrict lateral movement and enhance access governance. Integrate and support segmentation platforms such as Cisco Secure Workload, VMware NSX, Illumio, Guardicore, Cisco ACI, or equivalent technologies. Security Assessment & Risk Management Conduct comprehensive
security assessments , including network risk analysis, segmentation gap reviews, and threat modelling. Identify vulnerabilities and propose pragmatic mitigation strategies to strengthen overall security posture. Documentation & Governance Produce and maintain detailed security documentation, including: Solution Design Documents (SDDs) Network and security architectural diagrams Policies, standards, and operating procedures Ensure alignment with compliance frameworks and internal governance guidelines. Technical Leadership & Knowledge Sharing Provide technical mentorship to junior engineers, enabling skill growth in Zero Trust concepts, network segmentation, and security‑focused engineering practices. Stay current with emerging security threats, industry innovations, and evolving standards related to Zero Trust and micro‑segmentation.
Skills & Experience Requirements Minimum 5 years of experience as Network Security Engineer
Technical Expertise Demonstrated experience designing and implementing
Zero Trust architectures
in enterprise environments. Strong hands‑on experience with
network segmentation/micro‑segmentation
technologies such as: Cisco Secure Workload / Tetration VMware NSX Illumio Guardicore / Akamai Cisco ACI Strong understanding of: Network protocols (TCP/IP, DNS, DHCP, TLS, etc.) Firewall technologies and policies Identity‑based access controls Security & Compliance Knowledge Familiarity with major security frameworks and regulations, including: NIST Cybersecurity Framework CIS Controls GDPR, HIPAA, or similar regulatory requirements Soft Skills Excellent analytical and problem‑solving abilities when addressing complex security challenges. Effective communication skills, including the ability to explain technical concepts to non‑technical stakeholders. Strong collaboration skills and the ability to work in multi‑disciplinary teams.
designing, implementing, and maintaining advanced security solutions
that reinforce our security posture. Leveraging your hands‑on experience with Zero Trust principles and segmentation technologies, you will help shape resilient network architectures that protect against evolving threats and unauthorized access. Key Responsibilities Zero Trust Strategy & Implementation Collaborate with cross‑functional stakeholders to assess business and security requirements and define tailored
Zero Trust strategies . Design, build, and implement
Zero Trust architectures
aligned with industry best practices and organizational goals. Develop granular
access control mechanisms
rooted in Zero Trust principles. Network Segmentation & Infrastructure Security Deploy, configure, and optimize
network segmentation
and
micro‑segmentation
solutions to restrict lateral movement and enhance access governance. Integrate and support segmentation platforms such as Cisco Secure Workload, VMware NSX, Illumio, Guardicore, Cisco ACI, or equivalent technologies. Security Assessment & Risk Management Conduct comprehensive
security assessments , including network risk analysis, segmentation gap reviews, and threat modelling. Identify vulnerabilities and propose pragmatic mitigation strategies to strengthen overall security posture. Documentation & Governance Produce and maintain detailed security documentation, including: Solution Design Documents (SDDs) Network and security architectural diagrams Policies, standards, and operating procedures Ensure alignment with compliance frameworks and internal governance guidelines. Technical Leadership & Knowledge Sharing Provide technical mentorship to junior engineers, enabling skill growth in Zero Trust concepts, network segmentation, and security‑focused engineering practices. Stay current with emerging security threats, industry innovations, and evolving standards related to Zero Trust and micro‑segmentation.
Skills & Experience Requirements Minimum 5 years of experience as Network Security Engineer
Technical Expertise Demonstrated experience designing and implementing
Zero Trust architectures
in enterprise environments. Strong hands‑on experience with
network segmentation/micro‑segmentation
technologies such as: Cisco Secure Workload / Tetration VMware NSX Illumio Guardicore / Akamai Cisco ACI Strong understanding of: Network protocols (TCP/IP, DNS, DHCP, TLS, etc.) Firewall technologies and policies Identity‑based access controls Security & Compliance Knowledge Familiarity with major security frameworks and regulations, including: NIST Cybersecurity Framework CIS Controls GDPR, HIPAA, or similar regulatory requirements Soft Skills Excellent analytical and problem‑solving abilities when addressing complex security challenges. Effective communication skills, including the ability to explain technical concepts to non‑technical stakeholders. Strong collaboration skills and the ability to work in multi‑disciplinary teams.
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