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Job Description & How to Apply Below
Platforms: Palo Alto NGFW (Strata) | Zscaler (ZIA/ZPA) | F5 BIG-IP WAF (ASM/AWAF) | Service Now
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 Service Now-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).
Service Now 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.
Required Qualifications
4-7 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
Service Now 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 (Power Shell/Python) for troubleshooting/log parsing.
Certifications (or working toward): PCNSA/PCNSE, Zscaler certs, F5 fundamentals .
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