Penetration Testing Intern

Coalfire

. Assist in conducting security assessments on a wide variety of technologies and implementations .

Posted 9/22/2026internshipRemote • United StatesEntry LevelWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates capabilities in offensive security and penetration testing, with a focus on conducting security assessments, code reviews, and red team engagements. Possesses the drive and aptitude to support cybersecurity initiatives and improve security processes.

Highest-signal resume keywords

Offensive SecurityPenetration TestingSecurity AssessmentsCode ReviewsRed Team Engagements

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Penetration TestingSecurity AssessmentsCode ReviewsSocial EngineeringRed Team EngagementsPhysical Security Assessments

Soft Skills

DriveAcumenAptitude

Industry Keywords

CybersecurityCompliance ActivitiesProcess Improvement

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Assist in conducting security assessments on a wide variety of technologies and implementations
Gain exposure to working with clients on technical security or compliance activities
Learn to conduct penetration testing, code reviews, social engineering, red team engagements, and physical security assessments
Help the Coalfire Division Hex Penetration Testing Team meet business objectives
Support research, security documentation, and process improvement
Work on real projects and gain insights into cybersecurity industry practices

Requirements

What you’ll need

Student graduating between December 2027 and June 2028
Academic and practical experience relevant to offensive security/penetration testing
Drive, acumen, and aptitude to support the Division Hex – Offensive Security/Pen Testing team
Location in proximity to a Coalfire office if choosing the hybrid option

Benefits

Comp & perks

Paid 10-week internship program
Professional development, including mentorship from experienced professionals and opportunities for skill-building and career growth
Hands-on experience working on real projects and gaining insights into industry practices
Networking opportunities with industry professionals and fellow interns
Flexible work model, with remote or hybrid work depending on preference and proximity to an office
Employee resource groups
In-person and virtual events
Support for wellbeing
Equal opportunity and reasonable accommodation for individuals with disabilities