Sr. Network Security Engineer

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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 what’s 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 disruptor’s 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 16th TISS LeapVault 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, we’ve maintained a strong employee satisfaction score of 8.2/10.

About Position

• 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.

Expertise You'll Bring

• 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 CloudFormation.
• 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.

What You’ll Do

• 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.
• Participate in on-call rotation for network support.
• Mentor and guide junior network engineers.
• Stay current with the latest networking technologies and security threats.
• Lead the migration and integration of network services into AWS.
• Develop and maintain network automation scripts using Python.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Our company fosters a values-driven and people-centric work environment that enables our employees to:

• Accelerate growth, both professionally and personally
• Impact the world in powerful, positive ways, using the latest technologies
• Enjoy collaborative innovation, with diversity and work-life wellbeing at the core
• Unlock global opportunities to work and learn with the industry’s best

Let’s unleash your full potential at Persistent - persistent.com/careers

For more details, please contact Bharath Veluru ( )

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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