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Senior Network Security Engineer

greymattertek solutions United State
Remote
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Design, deploy, and optimize advanced security architectures across enterprise and service-provider environments. Collaborate with cross-functional teams to ensure secure network architectures aligned with Zero Trust principles. Implement next-generation firewalls and cloud-integrated security platforms.

Key Highlights
Design secure network architectures aligned with Zero Trust Network Access (ZTNA)
Deploy, configure, and tune next-generation firewalls (NGFW)
Implement network segmentation, IDS/IPS, URL filtering, VPN/remote access, and threat-prevention solutions
Technical Skills Required
Palo Alto Networks Panorama Strata Cloud Manager Prisma Access GlobalProtect ADEM Zero Trust (ZTNA) routing fundamentals packet-level analysis
Benefits & Perks
Competitive benefits package
Salary: $180,000 – $200,000
Fully Remote

Job Description


Compensation & Role Details
  • Salary: $180,000 – $200,000
  • Employment Type: Full-time, W-2 only (No C2C)
  • Location: Fully Remote
  • Benefits: Competitive benefits package
  • Start Date: As soon as the right candidate is identified
Role Overview

We are seeking a Senior Network Security Engineer with deep expertise in designing, deploying, and optimizing advanced security architectures across enterprise and service-provider environments. This role is highly technical and hands-on, with a strong emphasis on next-generation firewalls, Zero Trust principles, secure segmentation, and cloud-integrated security platforms.

You will work across complex multi-environment landscapes (on-prem, hybrid, and cloud) and collaborate with cross-functional teams including Cloud, Network Engineering, SOC, and Architecture.

Key Responsibilities
Architecture & Design
  • Develop secure network architectures aligned with Zero Trust Network Access (ZTNA)
  • Lead end-to-end design of firewalls, segmentation, secure remote access, and cloud-edge security
  • Create high-quality HLD/LLD documentation, migration plans, and testing strategies
Implementation & Delivery
  • Deploy, configure, and tune next-generation firewalls (NGFW) with a strong emphasis on Palo Alto Networks
  • Panorama / Strata Cloud Manager
  • Prisma Access
  • GlobalProtect
  • ADEM
  • Migrate legacy security stacks to modern, cloud-integrated architectures
  • Implement network segmentation, IDS/IPS, URL filtering, VPN/remote access, and threat-prevention solutions
  • Integrate security platforms into enterprise logging, monitoring, and automation ecosystems
Operations & Troubleshooting
  • Provide advanced troubleshooting across L3/L4–L7 security layers
  • Perform root-cause analysis, deliver remediation guidance, and support security operations escalations
  • Optimize rulesets, policies, signatures, and performance
Governance, Compliance & Documentation
  • Ensure solutions align with frameworks such as NIST, CIS, ISO 27001, SOC 2, and internal governance
  • Maintain detailed documentation, runbooks, and operational standards
  • Participate in audits, assessments, and architecture reviews
Required Qualifications
  • 7+ years of hands-on network and security engineering experience
  • Strong expertise with Palo Alto Networks security technologies (NGFW, Panorama/SCM, Prisma Access, GlobalProtect)
  • Deep understanding of Zero Trust (ZTNA), segmentation, firewall policy optimization, and application-layer security
  • Experience with routing fundamentals and packet-level analysis
  • Proven history delivering enterprise-scale security projects
  • Strong documentation, communication, and consulting skills
Preferred Qualifications
  • Palo Alto certifications (PCNSE, PCCET, Prisma Access)
  • Experience with:
  • Endpoint security
  • Cloud security architectures
  • SASE / SD-WAN
  • SIEM/SOAR platforms
  • Network/security automation
Soft Skills
  • Strong analytical and problem-solving abilities
  • Ability to work across multiple simultaneous projects
  • Effective, clear communication with technical and non-technical partners

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