Security Engineer

Cisco

Security Engineer leading advanced penetration testing across Cisco’s cloud and on-premises applications. Scaling vulnerability discovery through agentic AI workflows and custom security tooling.

Posted 9/5/2026full-timeDenver • Colorado • 🇺🇸 United StatesSeniorLead💰 $139,300 - $203,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates advanced penetration testing expertise with a focus on offensive security across web and mobile applications, as well as cloud environments. Capable of crafting attack plans, providing remediation guidance, and mentoring teams to enhance security maturity.

Highest-signal resume keywords

Advanced Penetration TestingOffensive SecurityCloud Platforms (AWS, GCP)Custom Tool Development (Python, Bash)Vulnerability Assessment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Penetration TestingVulnerability IdentificationRemediation StrategiesAttack VectorsC++JavaScriptPythonGoSplunkAgentic AI Workflows

Soft Skills

CommunicationMentoringTechnical FeedbackCollaboration

Tools & Technologies

AWSGCPSplunkCustom Tooling

Industry Keywords

Security CultureRisk-Based Security DecisionsComplex System ArchitecturesSecurity Community Contributions

Tech Stack

Tools & technologies

AWSC++CloudDistributed SystemsGoGoogle Cloud PlatformJavaScriptPythonSplunk

About the role

Key responsibilities & impact

Lead advanced penetration testing engagements
Serve as a critical line of defense for on-premises and cloud application portfolios
Craft sophisticated attack plans to identify vulnerabilities
Provide detailed, actionable remediation guidance to development teams
Build and operate agentic AI workflows to scale security testing capabilities
Increase testing coverage across complex system architectures
Make risk-based security decisions
Champion a proactive security culture using human judgment and autonomous agents
Collaborate with engineering teams to drive long-term security maturity
Mentor team members and provide constructive technical feedback

Requirements

What you’ll need

Bachelor’s degree plus 7 years of related experience, Master’s plus 4 years, or PhD plus 1 year in application-level penetration testing
Advanced proficiency in offensive security across web applications, mobile applications, networks, and distributed systems
Deep technical understanding of common vulnerabilities, attack vectors, and remediation strategies
Experience with public cloud platforms, specifically AWS and GCP
Ability to develop and maintain custom tooling using Python or Bash
Active contributions to the security community preferred, such as research publications, CVEs, open-source projects, or bug-bounty recognitions
Strong proficiency in C++, JavaScript, Python, or Go preferred
Experience with Splunk products or similar large-scale data platforms preferred
Ability to build cross-functional relationships with engineering teams preferred
Communication, mentoring, and constructive technical feedback skills preferred

Benefits

Comp & perks

Medical, dental and vision insurance
401(k) plan with a Cisco matching contribution
Paid parental leave
Short- and long-term disability coverage
Basic life insurance
Cisco restricted stock unit grants may be available
10 paid holidays per full calendar year
1 floating holiday for non-exempt employees
Paid day off for employee’s birthday
Paid year-end holiday shutdown
4 paid days off for personal wellness
16 days of paid vacation time per full calendar year for non-exempt employees
Flexible vacation time off program with no defined limit for eligible exempt employees
80 hours of sick time off provided on hire date and each January 1st thereafter
Up to 80 hours of unused sick time carried forward
Additional paid time away for critical or emergency family issues
Optional 10 paid volunteer days per full calendar year
Annual bonuses for non-sales roles
Performance-based incentive pay for sales-plan employees
Opportunities to grow and build with a worldwide network of experts