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Armada · 16 hours ago

Security Architect

Armada is an edge computing startup that focuses on providing computing infrastructure to remote areas with limited connectivity. They are seeking a hands-on Firewall Security Architect to design, implement, and operate firewall and network security platforms across various environments, ensuring security and performance in high-risk settings.

Artificial Intelligence (AI)Cloud ComputingData CenterSoftware
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Senior Management
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Responsibilities

Design, deploy, and operate next-generation firewall architectures across:
Core and regional data centers
Edge and modular deployments
GPU and high-value compute environments
Build and maintain firewall topologies including:
Centralized and distributed firewall models
Inline, routed, and transparent firewall deployments
Active/active and active/passive HA designs
Perform hands-on configuration of:
Firewall interfaces, zones, and virtual systems / VDOMs
Routing integration and asymmetric traffic handling
High-availability, failover, and state synchronization
Validate firewall designs through testing, failover simulation, and performance benchmarking
Design, implement, and maintain firewall policy frameworks:
Implement segmentation strategies to isolate:
Actively manage and review firewall policies to prevent:
Perform traffic flow analysis and packet-level validation to confirm enforcement
Perform deep technical troubleshooting
Diagnose and resolve:
Asymmetric routing and return-path issues
MTU, fragmentation, and TCP performance problems
East–west traffic inspection challenges
Troubleshoot performance impacts related to:
High-throughput GPU traffic
Microbursts and congestion
Tune firewall performance to balance security, latency, and throughput
Implement Zero Trust concepts directly in firewall policy and architecture
Enforce strong trust boundaries between:
Users, services, and platforms
Internal zones and external access paths
Integrate firewall enforcement with identity and access models where applicable
Design secure remote access, VPN, and private connectivity solutions
Design and secure firewall architectures for GPU clusters and accelerated workloads
Protect high-value compute and data paths without degrading performance
Implement inspection strategies appropriate for high-bandwidth east–west traffic
Partner with compute and platform teams during:
GPU cluster bring-up
Expansion and scaling
Performance troubleshooting
Serve as the highest technical escalation point for firewall-related incidents
Support major incidents by:
Performing live troubleshooting
Validating traffic paths and policy behavior
Drive root cause analysis and implement permanent corrective actions
Support change planning, maintenance windows, and post-change validation
Build and maintain firewall templates, standards, and reusable configurations
Automate firewall deployments, policy validation, and audits where possible
Define logging, telemetry, and visibility requirements for firewall platforms
Continuously improve firewall reliability, security posture, and operational efficiency

Qualification

Next-generation firewall expertiseFirewall architecture designTraffic flow analysisZero Trust implementationHigh-availability designGPU security expertiseNetwork security engineeringAutomation scriptingDocumentation skillsCommunication skills

Required

US Citizenship
10+ years experience in firewall, network security, or security engineering roles
Hands-on expertise with next-generation firewall platforms
Proven experience designing and operating: Complex firewall rulebases, HA and large-scale firewall environments
Strong understanding of: TCP/IP, routing, and traffic flows, East–west and north–south security models, Zero Trust and least-privilege enforcement
Demonstrated ability to troubleshoot production incidents at packet level
Strong documentation and communication skills

Preferred

Experience securing GPU, AI/ML, or high-performance compute environments
Expertise with platforms such as Fortinet, Palo Alto, Juniper SRX, or similar
Certifications such as PCNSE, NSE 7, CCIE Security, or equivalent experience
Automation or scripting experience (Python, Ansible, APIs)
Experience in regulated or high-assurance environments

Benefits

Competitive base salary and equity
Medical, dental, and vision (subsidized cost)
Health savings accounts (HSA), flexible spending accounts (FSA), and dependent care FSAs (DCFSA)
Retirement plan options, including 401(k) and Roth 401(k)
Unlimited paid time off (PTO)
15 paid company holidays per year

Company

Armada

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Armada provides modular data centers and edge compute solutions.

Funding

Current Stage
Growth Stage
Total Funding
$239M
Key Investors
M12 - Microsoft's Venture Fund
2025-07-24Series Unknown· $131M
2024-07-11Series Unknown· $40M
2023-12-11Series A· $55M

Leadership Team

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Dan Wright
Co-Founder & Chief Executive Officer
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Jonathan Runyan
Co-Founder & COO
Company data provided by crunchbase