Sr. Network Security Engineer; Mountain View Mountain View, CA

Sr. Network Security Engineer (Mountain View) job at Persistent Systems. Mountain View, CA.

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate whats next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 12 of the 30 most innovative global companies, 60% of the largest banks in the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptors mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum by reporting $360.2M revenue in Q3 FY25, delivering 4.3% Q-o-Q and 19.9% Y-o-Y growth. Our 23,900+ global team members, located in 19 countries, have been instrumental in helping the market leaders transform their industries. We are also pleased to share that Persistent won in four categories at the prestigious 2024 ISG Star of Excellence Awards , including the Overall Award based on the voice of the customer.

We were included in the Dow Jones Sustainability World Index, setting high standards in sustainability and corporate responsibility. We were awarded for our state-of-the-art learning and development initiatives at the 16 th TISS Leap Vault CLO Awards. In addition, we were cited as the fastest-growing IT services brand in the 2024 Brand Finance India 100 Report. Throughout our market-leading growth, weve maintained a strong employee satisfaction score of 8.2/10.

• Role: Senior Network Security Engineer
• Location: Mountain View CA
• Experience: 10+ years
• Job Type: Full Time & Contract
• Mandatory
  
  Skills:
  
  Zscaler, Palo Alto, Network Security Engineering, AWS

We are seeking a highly motivated and experienced Senior Network Security Engineer to join our growing team. This critical role will be responsible for the design, implementation, and maintenance of complex network infrastructure, with a strong emphasis on cloud integration, security, and automation. The ideal candidate will possess a deep understanding of networking principles, hands-on experience with AWS, a scripting proficiency in Python, and expertise in cybersecurity best practices, particularly with AWS, Palo Alto Networks and Zscaler security solutions.

• Palo Alto Networks certifications (e.g., PCNSE).
• Zscaler certifications.
• AWS certifications (e.g., AWS Certified Advanced Networking - Specialty).
• Experience with Infrastructure as Code (IaC) tools like Terraform or Cloud Formation.
• Experience with container networking (e.g., Kubernetes).
• Knowledge of other cloud platforms (Azure, GCP).
• Certified Information Systems Security Professional (CISSP)
• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 7+ years of experience in network engineering.
• Deep understanding of networking protocols (TCP/IP)
• Hands-on experience with Palo Alto Networks firewalls and security appliances.
• Expertise in Zscaler (ZIA/ZPA/ZDX) administration and configuration.
• Solid understanding of cybersecurity principles and best practices.
• Experience with network monitoring and troubleshooting tools.
• Excellent communication and collaboration skills.
• Ability to work independently and as part of a team.
• Extensive experience with AWS networking services (VPC, Transit Gateway, Direct Connect, etc.).
• Strong scripting skills in Python for network automation.
• Good to have AWS development and microservices automation experience.

• Design, implement, and manage our hybrid cloud and on-premises network infrastructure.
• Implement and manage network security solutions, including firewalls (Palo Alto Networks), secure web gateways (Zscaler), and intrusion detection/prevention systems.
• Monitor network performance and troubleshoot network issues.
• Proactively identify and mitigate security vulnerabilities.
• Collaborate with other teams to ensure network connectivity and performance.
• Create and maintain network documentation.
• Participa…