Senior Network Security Engineer

MACHINE LEARNING TECHNOLOGIES LLC; Austin (TX); On-site; USD 91,000 - 124,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Austin, TX is seeking a Senior Network Security Engineer to lead the design, implementation, and optimization of enterprise perimeter and infrastructure security across on-premises and multi-cloud environments.

The candidate should bring 11+ years of cybersecurity engineering experience, hands-on Palo Alto firewalls expertise, and proven ability to secure AWS and Azure environments, while mentoring junior engineers and guiding security initiatives.

Qualifications

• 11+ years of cybersecurity engineering experience
• Strong enterprise network and firewall security background
• Bachelor's degree in Cybersecurity, CS, IT, Engineering, or related field

Responsibilities

• Design, configure, maintain, and optimize enterprise Palo Alto firewalls.
• Manage perimeter security platforms, WAF, IDS/IPS, VPN, and NAC.
• Implement secure network architectures across on-premises, AWS, and Azure environments.
• Monitor security events, perform threat hunting, and investigate network security incidents.
• Automate security operations using Python, PowerShell, or Bash.
• Maintain network diagrams, technical documentation, runbooks, and SOPs.
• Lead cross-functional security projects and mentor junior engineers.
• Participate in maintenance windows, after-hours implementations, and emergency incident response.

Skills

Palo Alto Networks Firewalls

Security engineering

Automation scripting (Python/PowerShel

Cloud security (AWS/Azure)

Technical leadership

Education

Bachelor's degree in Cybersecurity, Computer Science, IT, Engineering

Tools

Python

PowerShell

Bash

AWS

Azure

WAF/IDS/IPS

Job description

Job Overview

• Job ID: J54564
• Job Title: Senior Network Security Engineer
• Location: Austin, TX
• Duration: 12 Months + Extension
• Domain Exposure: Manufacturing
• Client: To Be Discussed Later
• Employment Type: W-2, 1099, C2C
• Work Authorization: US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other
• Bill Rate: $78/hour

Job Description

Senior Network Security Engineer to lead the design, implementation, and optimization of enterprise perimeter and infrastructure security across on-premises and multi-cloud environments.

The ideal candidate must have 11+ years of cybersecurity engineering experience, strong hands-on expertise with Palo Alto Networks firewalls, and experience securing AWS and Microsoft Azure environments.

Mandatory Technical Skills

• Palo Alto Networks Firewalls: Advanced hands-on administration, configuration, rule management, troubleshooting, and optimization.
• Network Security: TCP/IP, routing, switching, VPN, WAN/LAN, and perimeter defense.
• Security Technologies: WAF, IDS/IPS, SIEM, EDR, DLP, CASB, and NAC.
• Cloud Security: Hands-on experience securing AWS and Microsoft Azure environments.
• Automation: Python, PowerShell, or Bash scripting.
• Security Frameworks: NIST, CIS Controls, PCI-DSS, HIPAA, and ISO 27001.
• Technical Leadership: Ability to lead security initiatives, guide project teams, and mentor junior engineers.

Key Responsibilities

• Design, configure, maintain, and optimize enterprise Palo Alto firewalls.
• Manage perimeter security platforms, WAF, IDS/IPS, VPN, and NAC.
• Implement secure network architectures across on-premises, AWS, and Azure environments.
• Monitor security events, perform threat hunting, and investigate network security incidents.
• Conduct security assessments and ensure compliance with industry standards.
• Automate security operations using Python, PowerShell, or Bash.
• Maintain network diagrams, technical documentation, runbooks, and SOPs.
• Lead cross-functional security projects and mentor junior engineers.
• Participate in maintenance windows, after-hours implementations, and emergency incident response.

Experience & Education

• 11+ years of dedicated cybersecurity engineering experience.
• Strong enterprise network and firewall security background.
• Bachelor's degree in Cybersecurity, Computer Science, IT, Engineering, or a related field.

Preferred Qualifications

• Certifications: PCNSE, CISSP, CCNP Security, GIAC, CEH, or Security+.
• SOC experience.
• Zero Trust security architecture experience.
• Cloud-native security tools.
• Master's degree in Cybersecurity, IT, or a related field.

Equal Opportunity Employer

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, and local law.