Senior Offensive Security Consultant

Horizon3.ai

. Lead full-scope penetration testing and red team engagements from scoping through final reporting.

Posted 7/31/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $200,000 - $250,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in penetration testing and red teaming, with a strong focus on web application security and compliance assessments. Capable of delivering detailed reports and collaborating effectively with cross-functional teams to enhance security practices.

Highest-signal resume keywords

Penetration TestingRed Team EngagementsWeb Application SecurityCompliance AssessmentsExcellent Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Offensive SecurityNetwork AssessmentAPI TestingCloud SecurityBusiness-Logic Flaw IdentificationRisk RatingRemediation GuidanceManual Issue ReproductionAutomated Tool ValidationMethodology Development

Soft Skills

MentoringCollaborationClient Communication

Industry Keywords

PCI DSSSOC 2Compliance-Driven Assessments

Tech Stack

Tools & technologies

Cloud

About the role

Key responsibilities & impact

Lead full-scope penetration testing and red team engagements from scoping through final reporting.
Perform in-depth testing of internal networks, web applications, APIs, cloud environments, and external attack surfaces.
Identify and safely demonstrate business-logic flaws, edge cases, and high-impact attack chains that automated tools often miss.
Review and validate findings from automated platforms, reproducing issues manually where needed.
Deliver high-quality, client-ready reports with clear risk ratings, business impact, and practical remediation guidance.
Collaborate with sales, customer success, and engineering teams to translate findings into product improvements.
Mentor junior consultants and contribute to methodology, tooling, and process enhancements.
Support compliance-driven assessments while maintaining an offensive security mindset.

Requirements

What you’ll need

5–10 years of current, hands-on experience in offensive security, red teaming, or penetration testing.
Strong background in web application penetration testing and internal network assessments.
Experience with compliance-focused engagements (PCI DSS, SOC 2, etc.).
U.S. Citizen (required).
Excellent written and verbal communication skills, including the ability to explain complex technical issues to both technical and executive audiences.

Benefits

Comp & perks

Fully remote role with flexible scheduling.
Opportunity to work on diverse, meaningful engagements.
Competitive compensation and benefits.
Professional development support (tools, training, conferences).