Senior Firewall Security Engineer jobs in United States
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Fiserv · 1 month ago

Senior Firewall Security Engineer

Fiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers. As a Senior Firewall Security Engineer, you will deliver enterprise perimeter security solutions and collaborate with various Information Security teams to ensure effective project delivery.

Financial ServicesFinTechInformation ServicesInformation Technology
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Responsibilities

Develop robust relationships with internal and occasional external customers to ensure technically sound solutions. Identify and address issues to ensure project delivery within budget and on time
Collaborate with project teams, infrastructure and application architects, and senior managers to drive significant tech refresh activities and develop solutions’ infrastructure components
Evaluate platform capacities, predict required infrastructure additions, and ensure sustained performance levels
Contribute to establishing engineering standards and ensure their successful implementation, measurement, and reporting
Showcase proficiency in firewalls, intrusion systems, networking, databases, HA/DR, virtual systems, PCI compliance, and other IT regulations
Lead the technical design of enterprise network security systems, leveraging your extensive architectural familiarity with technologies like WAN & LAN, Security, Firewall, XML Gateway, Virtualization, HA/DR, and WAF
Demonstrate your expertise in Python scripting, staying attuned to evolving security frameworks
Provide tier 2 and tier 3 support for high-availability solutions in a 24x7x365 environment

Qualification

Firewall technologiesSecurity engineeringCloud platforms AzureCloud platforms AWSCloud platforms GCPPython scriptingPalo AltoCheckpointIntrusion systemsNetworkingHA/DRPCI complianceTechnical designSoft skillsCollaborationProblem-solving

Required

8+ years of work experience in a security engineering or firewall engineering role
5+ years of experience designing and building enterprise-class security systems
5+ years of hands-on experience with Palo Alto and Checkpoint
5+ years of experience in design and engineering across Azure, AWS, and/or GCP
3+ years of scripting and automation experience (Python, Ansible, etc.)
Proficiency in firewall technologies, intrusion systems, networking, databases, HA/DR, virtual systems, PCI compliance, and IT regulations
Recent experience in technical design for enterprise network security systems
Bachelor's degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience

Preferred

Engineering and Design level certifications (CISSP, Palo Alto Network, Checkpoint Networks)
Experience in an e-Commerce or client transaction environment
Previous Infrastructure/Security engineering experience in heterogeneous environments

Company

Fiserv is a provider of technology solutions to the financial services industry.

Funding

Current Stage
Public Company
Total Funding
$2.48B
Key Investors
BlackBird Financial LP
2026-01-06Post Ipo Equity
2025-04-29Post Ipo Debt· $2.48B
1986-10-03IPO

Leadership Team

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Michael Lyons
President and CEO-Elect, Fiserv
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Robert Hau
EVP, CFO
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Company data provided by crunchbase