Senior Manager, Cybersecurity

Senior Manager, Cybersecurity A10 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 automation experience (Python, Go, Bash, or similar).

Experience leading during high-severity production incidents.

Strong understanding of: Network and application-layer security

Identity and access security models

Detection and response workflows

Production reliability and change management principles

Preferred Qualifications

Experience in networking, application delivery, or infrastructure security product companies.

Experience supporting security for customer-facing service platforms.

Experience working directly with production operations or SRE organizations.

Experience implementing large-scale automation or SOAR-driven response models.

CISSP, GIAC, or equivalent certifications.

Leadership Competencies

Technical-first leadership style.

Strong builder and systems-thinking mindset.

Ability to balance security enforcement with production uptime requirements.

Strong communication during high-pressure operational events.

Ability to scale teams through automation, tooling, and technical mentorship.

What Success Looks Like (First 12-24 Months)

Security controls deeply embedded in production infrastructure lifecycle.

Measurable reduction in manual response through automation.

Strong security and production operational alignment.

Increased control visibility across data center and cloud environments.

Strong bench of engineers capable of operating security controls in production environments.

A10 Networks is an equal opportunity employer and a VEVRAA federal subcontractor. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. A10 also complies with all applicable state and local laws governing nondiscrimination in employment.

#LI-AN1 - Hybrid

Targeted compensation guideline: $200,000 - $215,000. Compensation will vary based on number of factors, including market demand for specific skills, role type, job level, and individual qualifications. Final salary offers are determined by considerations including, but not limited to, subject matter expertise, demonstrated skill level, relevant experience, geographic location, education, certifications, and training.