Network Security Engineer specializing in network defense, hybrid cloud security, firewall governance, and SIEM-based monitoring
Aktualisiert am 05.03.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 04.03.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Network & Firewall Security
SIEM Monitoring & Threat Detection
Hybrid Cloud Security (AWS)
Enterprise Firewall Architecture (Check Point)
Firewall Policy Governance & Optimization (Tufin)
Network Segmentation & Zero Trust Architecture
Site-to-Site VPN & Secure Connectivity
Load Balancing & Application Delivery (F5 BIG-IP LTM)
DHCP & IPAM Security (Infoblox)
TLS/PKI & Certificate Lifecycle Management
SIEM Monitoring & Log Correlation (Splunk)
Security Alert Triage & Incident Response
Threat Detection & Network-Based Attack Analysis
MITRE ATT&CK Mapping & Threat Framework Alignment
Vulnerability Assessment & Remediation Support
Security Event Analysis & Risk-Based Prioritization
AWS Security & IAM Governance
Microsoft Azure Security (AZ-500 Knowledge ? Sentinel
Defender
RBAC)
Security Compliance (NIST 800-53 / ISO 27001)
Secure Change Management & ITSM (ServiceNow)
Security Automation & DevSecOps (GitLab CI/CD
English
C1/C2
German
A1/A2 - ongoing

Einsatzorte

Einsatzorte

Zürich (+20km) Basel (+50km) Bern (+50km) Geneva (+50km)
Deutschland, Schweiz
möglich

Projekte

Projekte

2 Jahre
2024-05 - heute

Multiple AWS Security Projects

Configured firewall groups & ensured secure connectivity for critical applications during migration from on-prem to AWS.
2 Jahre 9 Monate
2023-08 - heute

Server & Asset Decommission

Performed secure decommissioning of servers and assets, maintaining compliance and operational continuity.
10 Monate
2025-01 - 2025-10

Enterprise RTB Environment

Swiss Ovation Award ? Exceptional security implementation & validation in a new RTB banking environment.
11 Monate
2023-08 - 2024-06

Tufin Optimization Project

Enhanced automated workflows & firewall rule lifecycle management to strengthen security & compliance
7 Monate
2023-04 - 2023-10

Digital Society Initiative UZH

  • Led Master?s digital platform project with multiple stakeholders (Government as a Platform)

Aus- und Weiterbildung

Aus- und Weiterbildung

4 Jahre 3 Monate
2021-09 - 2025-11

Study - Computer Science

Master of Science, University of Zurich (Switzerland)
Master of Science
University of Zurich (Switzerland)
Master-Thesis. on request
1 Monat
2020-09 - 2020-09

Study - IT and Business Information Systems

Bachelor of Science, Middlesex University, London (UK)
Bachelor of Science
Middlesex University, London (UK)

Position

Position

Network Security Engineer

Kompetenzen

Kompetenzen

Top-Skills

Network & Firewall Security SIEM Monitoring & Threat Detection Hybrid Cloud Security (AWS) Enterprise Firewall Architecture (Check Point) Firewall Policy Governance & Optimization (Tufin) Network Segmentation & Zero Trust Architecture Site-to-Site VPN & Secure Connectivity Load Balancing & Application Delivery (F5 BIG-IP LTM) DHCP & IPAM Security (Infoblox) TLS/PKI & Certificate Lifecycle Management SIEM Monitoring & Log Correlation (Splunk) Security Alert Triage & Incident Response Threat Detection & Network-Based Attack Analysis MITRE ATT&CK Mapping & Threat Framework Alignment Vulnerability Assessment & Remediation Support Security Event Analysis & Risk-Based Prioritization AWS Security & IAM Governance Microsoft Azure Security (AZ-500 Knowledge ? Sentinel Defender RBAC) Security Compliance (NIST 800-53 / ISO 27001) Secure Change Management & ITSM (ServiceNow) Security Automation & DevSecOps (GitLab CI/CD

Produkte / Standards / Erfahrungen / Methoden

PROFILE
Network & Security Engineer with hands-on experience in enterprise firewall governance, SIEM monitoring and hybrid cloud security within a regulated banking environment. Proven ability to enforce security controls, manage risk-based policy changes and support incident triage aligned with security frameworks. Skilled in Check Point, Tufin, Splunk, AWS and Azure security tooling, with practical exposure to vulnerability remediation, log correlation and Zero Trust architectures across hybrid environments.

TECHNICAL SKILLS
  • Network Security
    • Site-to-site VPNs, Segmentation & Zoning, Zero Trust, Firewall & WAF, Web Proxy, IDS/IPS, SIEM (Splunk), Vulnerability Assessment, Hybrid & Multi-DC Connectivity (NAT/MPLS), Cloud Security & IAM, TLS/PKI & Encryption, Security Automation, NAC, Event Correlation, Documentation & Stakeholder Liaison
  • Tools & Platforms
    • Infoblox (DNS, IPAM, DHCP), F5 BIG-IP (LTM), CheckMK, ServiceNow (ITSM), Jira & Confluence, GitLab (CI/CD), CyberArk & SailPoint (PAM), AWS, Weka
  • Frameworks & Practices
    • NIST800/ISO 27001, MITRE, ITIL, SAFe, DevOps, Agile/SCRUM awareness, Secure CI/CD Workflows, Requirements Engineering
  • Languages & Systems
    • Python, R, Linux Administration, PowerShell Scripting, SQL, BI & Data Analysis

PROFESSIONAL EXPERIENCE
08/2023 - today
Network Security Engineer
Natwest Services - RBS, Zurich (Switzerland)
  • Govern complex enterprise firewall policies (Check Point, Tufin) within a regulated banking environment aligned with secure frameworks and maintain availability through F5 Load Balancing
  • Secure hybrid AWS environments by applying best-in-class practices and proactive risk management
  • Investigate and triage SIEM alerts, correlating logs to support containment of network-related threats & active participation in incident response
  • Daily network operations, including certificate renewals, documentation, and liaison with multiple stakeholders
  • Solid knowledge of Azure security, Sentinel, Defender for Cloud, & RBAC/IAM governance, through hands-on training and self-study.

Branchen

Branchen

Einsatzorte

Einsatzorte

Zürich (+20km) Basel (+50km) Bern (+50km) Geneva (+50km)
Deutschland, Schweiz
möglich

Projekte

Projekte

2 Jahre
2024-05 - heute

Multiple AWS Security Projects

Configured firewall groups & ensured secure connectivity for critical applications during migration from on-prem to AWS.
2 Jahre 9 Monate
2023-08 - heute

Server & Asset Decommission

Performed secure decommissioning of servers and assets, maintaining compliance and operational continuity.
10 Monate
2025-01 - 2025-10

Enterprise RTB Environment

Swiss Ovation Award ? Exceptional security implementation & validation in a new RTB banking environment.
11 Monate
2023-08 - 2024-06

Tufin Optimization Project

Enhanced automated workflows & firewall rule lifecycle management to strengthen security & compliance
7 Monate
2023-04 - 2023-10

Digital Society Initiative UZH

  • Led Master?s digital platform project with multiple stakeholders (Government as a Platform)

Aus- und Weiterbildung

Aus- und Weiterbildung

4 Jahre 3 Monate
2021-09 - 2025-11

Study - Computer Science

Master of Science, University of Zurich (Switzerland)
Master of Science
University of Zurich (Switzerland)
Master-Thesis. on request
1 Monat
2020-09 - 2020-09

Study - IT and Business Information Systems

Bachelor of Science, Middlesex University, London (UK)
Bachelor of Science
Middlesex University, London (UK)

Position

Position

Network Security Engineer

Kompetenzen

Kompetenzen

Top-Skills

Network & Firewall Security SIEM Monitoring & Threat Detection Hybrid Cloud Security (AWS) Enterprise Firewall Architecture (Check Point) Firewall Policy Governance & Optimization (Tufin) Network Segmentation & Zero Trust Architecture Site-to-Site VPN & Secure Connectivity Load Balancing & Application Delivery (F5 BIG-IP LTM) DHCP & IPAM Security (Infoblox) TLS/PKI & Certificate Lifecycle Management SIEM Monitoring & Log Correlation (Splunk) Security Alert Triage & Incident Response Threat Detection & Network-Based Attack Analysis MITRE ATT&CK Mapping & Threat Framework Alignment Vulnerability Assessment & Remediation Support Security Event Analysis & Risk-Based Prioritization AWS Security & IAM Governance Microsoft Azure Security (AZ-500 Knowledge ? Sentinel Defender RBAC) Security Compliance (NIST 800-53 / ISO 27001) Secure Change Management & ITSM (ServiceNow) Security Automation & DevSecOps (GitLab CI/CD

Produkte / Standards / Erfahrungen / Methoden

PROFILE
Network & Security Engineer with hands-on experience in enterprise firewall governance, SIEM monitoring and hybrid cloud security within a regulated banking environment. Proven ability to enforce security controls, manage risk-based policy changes and support incident triage aligned with security frameworks. Skilled in Check Point, Tufin, Splunk, AWS and Azure security tooling, with practical exposure to vulnerability remediation, log correlation and Zero Trust architectures across hybrid environments.

TECHNICAL SKILLS
  • Network Security
    • Site-to-site VPNs, Segmentation & Zoning, Zero Trust, Firewall & WAF, Web Proxy, IDS/IPS, SIEM (Splunk), Vulnerability Assessment, Hybrid & Multi-DC Connectivity (NAT/MPLS), Cloud Security & IAM, TLS/PKI & Encryption, Security Automation, NAC, Event Correlation, Documentation & Stakeholder Liaison
  • Tools & Platforms
    • Infoblox (DNS, IPAM, DHCP), F5 BIG-IP (LTM), CheckMK, ServiceNow (ITSM), Jira & Confluence, GitLab (CI/CD), CyberArk & SailPoint (PAM), AWS, Weka
  • Frameworks & Practices
    • NIST800/ISO 27001, MITRE, ITIL, SAFe, DevOps, Agile/SCRUM awareness, Secure CI/CD Workflows, Requirements Engineering
  • Languages & Systems
    • Python, R, Linux Administration, PowerShell Scripting, SQL, BI & Data Analysis

PROFESSIONAL EXPERIENCE
08/2023 - today
Network Security Engineer
Natwest Services - RBS, Zurich (Switzerland)
  • Govern complex enterprise firewall policies (Check Point, Tufin) within a regulated banking environment aligned with secure frameworks and maintain availability through F5 Load Balancing
  • Secure hybrid AWS environments by applying best-in-class practices and proactive risk management
  • Investigate and triage SIEM alerts, correlating logs to support containment of network-related threats & active participation in incident response
  • Daily network operations, including certificate renewals, documentation, and liaison with multiple stakeholders
  • Solid knowledge of Azure security, Sentinel, Defender for Cloud, & RBAC/IAM governance, through hands-on training and self-study.

Branchen

Branchen

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