Network Security II Engineer II

• *Network Security II Engineer II (Enterprise IT \+ Manufacturing/OT)**

• *Platforms:** Palo Alto NGFW (Strata) \| Zscaler (ZIA/ZPA) \| F5 BIG\-IP WAF (ASM/AWAF) \| ServiceNow

• *Shift:** Flexible — AMER, EMEA, or APAC time zones

• *Role Summary**

Support day\-to\-day network security operations across enterprise IT and manufacturing/OT environments. Assist with firewall and cloud security policy support, WAF monitoring/tuning, and incident handling through ServiceNow—while following change control and operational best practices.

• *Key Responsibilities**

• **Palo Alto NGFW**

+ Support firewall policy administration (security rules, NAT, objects, zones).

+ Review and analyze logs (Traffic/Threat/URL) for troubleshooting and investigations.

+ Assist with approved changes and documentation.

• **Zscaler (ZIA)**

+ Support secure access troubleshooting (policy blocks, forwarding, user access issues).

+ Review logs and partner with teams to resolve recurring issues.

• **F5 BIG\-IP WAF (ASM/AWAF)**

+ Monitor WAF alerts and assist with the investigation of web threats.

+ Support WAF policy tuning to reduce false positives while maintaining protection.

+ Help onboard web applications behind the WAF (testing \+ documentation).

• **ServiceNow Incident Handling**

+ Triage incidents, document troubleshooting steps, and drive tickets to resolution.

+ Escalate effectively and support post\-incident follow\-ups/knowledge articles.

• **Enterprise IT \+ Manufacturing/OT Support**

+ Support segmentation and access controls for OT/plant environments.

Coordinate changes carefully to protect uptime, safety, and production continuity.

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• *Required Qualifications**

• 0–2 years of experience in network/security operations (or equivalent internship/lab experience).
• Strong fundamentals in **TCP/IP, DNS, routing, NAT, and HTTPS/TLS** .
• Hands\-on familiarity with:

+ **Palo Alto NGFW** policy and logging

+ **Zscaler** policy concepts and troubleshooting

+ **F5 BIG\-IP WAF (ASM/AWAF)** alert review and basic tuning/onboarding

+ **ServiceNow** incident workflow and documentation

Clear communication skills and strong attention to detail.

• *Preferred Qualifications**

• Exposure to manufacturing/OT security practices (e.g., Purdue model, ISA/IEC 62443 concepts).
• Experience with SIEM tools and supporting SOC investigations.
• Scripting basics (PowerShell/Python) for troubleshooting/log parsing.
• Certifications (or working toward): **PCNSA/PCNSE, Zscaler certs, F5 fundamentals** .