Lead Security Engineer - AI-Driven PenTesting

Cisco Systems, Inc.; Denver (CO); Remote; USD 140,000 - 230,000; Full time

Job summary

Cisco Systems, Inc. is seeking an experienced application security professional to lead advanced penetration testing across on-prem and cloud portfolio. You will craft attack plans, provide remediation guidance to developers, and scale testing with agentic AI workflows.

The role emphasizes strong offensive security skills, cloud experience with AWS/GCP, and mentoring of teammates in a fast-paced environment. Colorado-based hybrid work options may apply.

Qualifications

• 7+ years in application-level penetration testing with related experience.
• Advanced proficiency across web/mobile apps, networks, and distributed systems.
• Experience with public cloud platforms (AWS/GCP) and custom tooling.

Responsibilities

• Lead advanced penetration testing engagements for on-prem and cloud apps.
• Build attack plans and provide remediation guidance to development teams.
• Operate agentic AI workflows to scale security testing and coverage.

Skills

Web security

Mobile security

Networks security

Distributed systems

Python

Bash

AWS

GCP

Threat modeling

Attack tooling

Education

Bachelor's degree

Master's degree

PhD

Tools

Python

Bash

AWS

GCP

Splunk

Job description

Cisco Systems, Inc. is seeking an experienced application security professional to lead advanced penetration testing across on-prem and cloud portfolio. You will craft attack plans, provide remediation guidance to developers, and scale testing with agentic AI workflows.

The role emphasizes strong offensive security skills, cloud experience with AWS/GCP, and mentoring of teammates in a fast-paced environment. Colorado-based hybrid work options may apply.