Senior Cloud Security Engineer

F5; Dublin; On-site; EUR 120,000 - 180,000; Full time

Job summary

F5 is seeking a Senior Security Engineer to help protect our enterprise products and cloud environments. You will implement security controls, perform threat modeling, and collaborate across Architecture, SRE, and Operations to raise our security posture.

We expect strong scripting and cloud expertise (Azure, AWS, GCP) and experience with security tooling, vulnerability testing, and zero-trust patterns. You will influence security architecture in a fast-paced, global team.

Qualifications

• B.S. or M.S. in CS/Engineering or related field.
• 5 years of progressive responsibility in a security organization.
• 2-6 years of relevant security engineering or network security experience.

Responsibilities

• Identify risks to confidentiality, integrity, and availability and determine mitigations.
• Leverage Azure, AWS, and GCP to automate security and controls.
• Develop or implement tools to detect, prevent, and analyze threats.
• Perform technical security assessments against F5aaS product and cloud/on‑prem systems.
• Review changes to services and networks for security impacts.
• Manage penetration and segmentation testing of applications and networks.
• Review enterprise operations for security and compliance impacts.
• Assist in detection and response as a product line SME.
• Propose new controls to Security Architecture and GRC.
• Build and implement new security controls and tooling.
• Implement zero-trust and IAM with cloud-agnostic tooling.
• Collaborate with Architecture and SRE/Operations teams to implement solutions and standards.
• Configure standard security testing/scanning tools.
• Advise stakeholders on security best practices.
• Design, develop, administer, and manage enterprise security tooling.

Skills

Go

Rust

Python

Ruby

Azure

AWS

GCP

Security architecture

Networking security

DevOps tooling

CI/CD

Agile

Communication

Education

B.S./M.S. in CS/Engineering or related field

5 years in security organization

2-6 years in security engineering or network security

Tools

Big-IP

Azure

AWS

GCP

Kubernetes

Docker

HashiCorp Vault

Palo Alto

Cisco

Terraform

Jenkins

CircleCI

Artifactory

Job description

F5 is seeking a Senior Security Engineer to help protect our enterprise products and cloud environments. You will implement security controls, perform threat modeling, and collaborate across Architecture, SRE, and Operations to raise our security posture.

We expect strong scripting and cloud expertise (Azure, AWS, GCP) and experience with security tooling, vulnerability testing, and zero-trust patterns. You will influence security architecture in a fast-paced, global team.