Senior Manager, Cybersecurity

Senior Manager, CybersecurityA
10 Networks is seeking a Senior Manager, Production Operations & Data Center Security to lead security strategy and operational execution across production infrastructure, cloud environments, and data center platforms.

Reporting to A10’s CISO, this is a hands-on leadership role responsible for building, operating, and continuously improving security controls and practices that protect both internal infrastructure and customer-facing services. This leader will lead cross-functional teams operating deeply within production environments, partnering closely with Production Operations, SRE, and Infrastructure Engineering to deliver comprehensive and measurable security outcomes.

The ideal candidate brings a strong builder mentality, deep technical background in production security, and a track record of scaling security practices through automation, mentorship, and operational excellence.

Core Leadership Philosophy This role is expected to:

Lead through technical credibility and hands-on engagement

Own security controls as operational systems, not theoretical frameworks

Build and improve — not just manage — security capabilities

Operate as an incident leader during high-severity production events

Mentor engineers and analysts into stronger production security operators

Key Responsibilities Production & Data Center Security Ownership Oversee a mature customer-facing SOC team to ensure continuity of great customer service

Own security posture across production data centers, cloud platforms, and hybrid infrastructure

Partner with Infrastructure and SRE teams to embed security controls into platform design and deployment pipelines

Ensure security controls operate reliably under production performance and availability constraints

Lead security reviews of production architecture, traffic flows, and service dependencies

Drive hardening standards across compute, network, identity, and application control layers

Security Control Engineering & Operationalization Own lifecycle of security controls including:

Detection controls

Preventative controls

Compensating controls

Response controls

Lead control validation and continuous verification programs.

Drive reduction of manual operational overhead through automation.

Ensure security telemetry is actionable, high fidelity, and aligned to response automation.

Incident Response & Production Event Leadership Serve as senior incident commander for production security incidents

Build response workflows aligned to production change control and reliability engineering practices

Integrate security response into production incident management processes

Lead post-incident analysis focused on control improvement and systemic risk reduction

Cloud & Hybrid Infrastructure Security Lead security practices across public cloud and hybrid infrastructure environments

Partner with platform teams to secure:

Identity and access models

Network segmentation and service mesh security

Container and orchestration environments

Infrastructure-as-Code security controls

Drive continuous cloud security posture improvement

Automation, Scripting & Tooling Lead development of automation and orchestration to:

Reduce alert triage time Automate containment and enrichment

Improve control deployment consistency

Contribute directly to scripting and automation initiatives where appropriate

Champion infrastructure-as-code and security-as-code practices

Mentorship & Technical Leadership Act as a player-coach across security and production teams.

Mentor engineers in secure production design and incident response practices.

Build growth paths for security engineers operating in production environments.

Foster culture of ownership, operational accountability, and continuous learning.

Required Qualifications
10+ years in cybersecurity, infrastructure security, or production security engineering.
5+ years leading technical teams in production or security operations environments.

Strong hands-on experience operating in:

Data center infrastructure environments

Cloud platforms (OCI, AWS, Azure, GCP)
Hybrid infrastructure models

Demonstrated experience building or operating production security controls.

Strong scripting or…