Network Security Engineer

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers - and help us connect people and build communities to create economic opportunity for all.

We are seeking a highly skilled and experienced Network Security Engineer with deep expertise in Azure, Palo Alto, and F5 technologies. In this role, you will design, implement, automate, and maintain robust security solutions that protect our organization's critical assets, ensuring the confidentiality, integrity, and availability of our network infrastructure.

Key Responsibilities

1. Design & Implementation of Network Security Solutions

• Architect, implement, and maintain network security architectures, policies, and procedures using Palo Alto firewalls and Azure networking technologies.
• Develop and maintain secure configurations, access controls, and routing protocols.
• Evaluate emerging security technologies to strengthen our overall security posture.

2. Firewall & Traffic Management

• Configure, monitor, and maintain Palo Alto firewalls, including rule sets, security policies, and threat prevention profiles.
• Troubleshoot and resolve firewall-related security issues.
• Perform regular firewall audits and vulnerability assessments.

3. Network Infrastructure Protection

• Monitor network traffic patterns to detect and mitigate security threats.
• Implement and maintain IDS/IPS solutions for continuous threat detection.
• Partner with cross-functional teams to integrate security controls into all network devices, systems, and applications.

4. Remote Access Security

• Design, implement, and maintain secure remote access architectures and policies.
• Support secure connectivity across iOS, Android, Windows, and MacOS environments.
• Collaborate with end-users to ensure optimal and secure remote experiences.

5. Application Delivery & Load Balancing

• Configure, monitor, and maintain F5 load balancers (VM and hardware) to ensure high availability, performance, and secure application delivery.

6. Incident Response & Vulnerability Management

• Investigate and remediate security incidents, perform root cause analysis, and apply corrective measures.
• Ensure vulnerabilities are addressed by applying the latest security patches and configurations in alignment with global security standards.
• Participate in on-call rotations for after-hours, weekend, and holiday emergency support.

7. Collaboration & Knowledge Sharing

• Work closely with IT teams and partners to align network security with organizational goals.
• Mentor junior engineers and share best practices.
• Stay ahead of industry trends, emerging threats, and evolving technologies in network security, Palo Alto, and Azure.

Qualifications

• Certifications (Highly Preferred):
  
  • Palo Alto Networks Certified Network Security Engineer (PCNSE)
  • Cisco Certified Network Professional Security (CCNP Security)
  • F5 Certified Technology Specialist (CTS)
  • Additional certifications such as CISSP, CEH, Azure Security Engineer Associate, or AWS Certified Security - Specialty are a plus.
• Technical Expertise in Network Security:
  
  • In-depth knowledge of network security frameworks (e.g., NIST CSF, ISO 27001, CIS Controls).
  • Experience with network segmentation, zero trust architecture, and secure VPN solutions.
  • Strong understanding of encryption protocols, PKI, TLS/SSL, IPsec, and certificate management.
  • Advanced firewall policy design, rule optimization, and traffic analysis.
  • Threat intelligence integration into network defense strategies.
• Core Networking Skills:
  
  • Strong understanding of TCP/IP, routing protocols (BGP, OSPF, EIGRP), VLANs, DNS, DHCP, and NAT.
  • Familiarity with intrusion detection/prevention systems (IDS/IPS) and SIEM platforms.
  • Experience with cloud-based security architectures (Azure required; AWS/Google Cloud Platform a plus).
• Other Requirements:
  
  • Solid understanding of AI/ML concepts as they relate to network threat detection and automation.
  • Excellent troubleshooting and problem-solving skills in complex, hybrid cloud environments.

Strong communication skills for cross-team collaboration and security advocacy.

The base pay range for this position is expected in the range below:
$108,000 - $186,900

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

If hired, employees will be in an "at-will position" and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

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eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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