Senior Network Security Engineer

greymattertek solutions United State
Remote
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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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