Network Security Engineer – Palo Alto, Joplin, Missouri, United States

Practice - CIS - Cloud, Infrastructure, and Security Services

About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the rapidly evolving needs of the digital era. Our holistic approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to run the business in a secure environment.

Job Summary

We are seeking an experienced Network Security Engineer with strong hands-on expertise in Palo Alto and Cisco firewall technologies to design, implement, migrate, and support enterprise network security solutions. This role will focus on Palo Alto PAN-OS, Panorama, Strata Cloud Manager, Cisco FTD/FMC, VPN, BGP, NAT, and high-availability configurations. The engineer will support both on-premises and Azure-based environments, ensuring secure and resilient connectivity. The ideal candidate will combine deep firewall engineering expertise with strong troubleshooting, migration, and cloud networking capabilities.

In this role, you will:

· Configure, administer, and optimize Palo Alto PAN-OS, Panorama, and Strata Cloud Manager across enterprise environments.

· Configure and troubleshoot Cisco FTD firewalls using Firewall Management Center (FMC).

· Design and implement security policies, NAT rules, IPSec VPNs, BGP routing, and High Availability (HA) configurations.

· Lead firewall migration activities including discovery, configuration assessment, rule migration, validation, cutover, and post-migration support.

· Deploy and support cloud-hosted Palo Alto and Cisco firewall solutions within Microsoft Azure environments.

· Configure and troubleshoot Azure networking components including VNets, vWAN, UDRs, routing, and hybrid connectivity.

· Diagnose complex network and firewall connectivity issues involving routing, policy enforcement, VPNs, NAT, and application traffic flows.

· Review firewall policies and configurations to improve security posture, performance, resiliency, and operational stability.

· Collaborate with network, cloud, infrastructure, and security teams to deliver secure connectivity and firewall solutions.

· Support Prisma Access capabilities, cloud-delivered security, and secure remote access solutions where applicable.

What you need to have to be considered

· 7+ years of experience in Network Security Engineering, Firewall Engineering, or enterprise network infrastructure roles.

· Expert-level hands-on experience with Palo Alto PAN-OS, Panorama, and security policy management.

· Strong experience with Cisco FTD and FMC, including configuration, troubleshooting, and firewall administration.

· Deep knowledge of IPSec VPN, BGP, NAT, High Availability, routing, and firewall security policies.

· Proven experience performing enterprise firewall migrations, configuration validation, production cutovers, and post-migration troubleshooting.

· Strong understanding of Microsoft Azure networking, including VNet, vWAN, UDR, routing, and cloud-hosted firewall architectures.

· Solid knowledge of network security architecture, TCP/IP, routing, segmentation, VPN technologies, and enterprise connectivity.

· Experience with Strata Cloud Manager and cloud-managed Palo Alto environments is highly desirable.

· Experience with Prisma Access or similar SASE/SSE technologies is a plus.

· Palo Alto PCNSE/PCNSA, Cisco CCNP Security, Azure Network Engineer Associate, or equivalent certifications are preferred.

#LI-EF1

#CB

#Ind123

Applications will be accepted until 20 Nov 2026.

Salary and Other Compensation:

The annual salary for this position is between $[136,500 - 160,000] depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

· Medical/Dental/Vision/Life Insurance

· Paid holidays plus Paid Time Off

· 401(k) plan and contributions

· Long-term/Short-term Disability

· Paid Parental Leave

· Employee Stock Purchase Plan

Sobre a Cognizant
Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram resultados tangíveis e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em cognizant.ai ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego
Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.