What part will you play? If you're looking for a place where you can make a meaningful difference, you've found it.
The work we do at Markel gives people the confidence to move forward and seize opportunities, and you'll find your fit amongst our global community of optimists and problem-solvers. We're always pushing each other to go further because we believe that when we realize our potential, we can help others reach theirs.Join us and play your part in something special!The Application Security Intern will support the Application Security team by helping identify, assess, and reduce security risks across enterprise applications and APIs. This role provides hands-on exposure to vulnerability management, secure development practices, and the use of automated security tools under the guidance of experienced AppSec professionals. The intern will collaborate with developers and security teams to understand how security issues are identified, triaged, and remediated. This internship is designed to build a strong foundation in application and software security within a real-world enterprise environment.
About the Role We're looking for a motivated and curious Intern to join our Markel AppSec team. This
role is ideal for a college junior who is passionate about cybersecurity, eager to learn,
and interested in how real-world organizations protect applications, APIs, and data.
As an intern, you'll partner closely with our Application Security team to support ongoing
security initiatives, tooling, and risk reduction efforts across the business. You'll gain
hands-on experience, mentorship, and exposure to modern security practices.
What You'll Do Assist with vulnerability triage and coordination with development teams
Support secure code review workflows under guidance
Help evaluate and document findings from automated security tools
(SAST/DAST/API scanning)
Participate in threat modeling sessions and security reviews
Research emerging vulnerabilities, exploits, and best practices
Assist in building security documentation, playbooks, and dashboards
Contribute to process improvements within the AppSec program
Shadow real-world incident, remediation, and risk meetings
What We're Looking For Currently pursuing a Bachelor's degree in Computer Science, Cybersecurity,
Information Systems, or related field
Rising junior (entering or currently in 3rd year preferred)
Foundational understanding of programming concepts (Java, Python, JavaScript,
or similar)
Basic familiarity with web technologies (HTTP, APIs, databases, cloud concepts)
Interest in cybersecurity frameworks (OWASP Top 10, NIST, etc.)
Strong analytical thinking, curiosity, and willingness to learn
Good communication skills and ability to collaborate with cross-functional teams
Bonus Points (Not Required)
Experience with GitHub, Burp Suite, Postman, or security labs (TryHackMe/HTB)
Coursework or projects related to secure software development or cyber defense
Exposure to cloud environments (AWS, Azure, Google Cloud Platform)
What You'll Gain
Hands-on exposure to application and API security in a real enterprise
environment
Mentorship from experienced AppSec professionals
Experience collaborating with developers, DevOps, and security teams
Resume-building projects and opportunities to present your work
Insight into cybersecurity career paths and skill specialization
US Work Authorization US Work Authorization required. Markel does not provide visa sponsorship for this position, now or in the future.
Who we are: Markel Group (NYSE - MKL) a fortune 500 company with over 60 offices in 20+ countries, is a holding company for insurance, reinsurance, specialist advisory and investment operations around the world.
We're all about people | We win together | We strive for better We enjoy the everyday | We think further What's in it for you: In keeping with the values of the Markel Style, we strive to support our employees in living their lives to the fullest at home and at work.
- We offer competitive benefit programs that help meet our diverse and changing environment as well as support our employees' needs at all stages of life.
- All full-time employees have the option to select from multiple health, dental and vision insurance plan options and optional life, disability, and AD&D insurance.
- We also offer a 401(k) with employer match contributions, an Employee Stock Purchase Plan, PTO, corporate holidays and floating holidays, parental leave.
Are you ready to play your part? Choose
'Apply Now' to fill out our short application, so that we can find out more about you.
Caution: Employment scams Markel is aware of employment-related scams where scammers will impersonate recruiters by sending fake job offers to those actively seeking employment in order to steal personal information. Frequently, the scammer will reach out to individuals who have posted their resume online. These "job offers" include convincing offer letters and frequently ask for confidential personal information. Therefore, for your safety, please note that:
- All legitimate job postings with Markel will be posted on Markel Careers. No other URL should be trusted for job postings.
- All legitimate communications with Markel recruiters will come from Markel.com email addresses.
We would also ask that you please report any job employment scams related to Markel to
Markel is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of any protected characteristic. This includes race; color; sex; religion; creed; national origin or place of birth; ancestry; age; disability; affectional or sexual orientation; gender expression or identity; genetic information, sickle cell trait, or atypical hereditary cellular or blood trait; refusal to submit to genetic tests or make genetic test results available; medical condition; citizenship status; pregnancy, childbirth, or related medical conditions; marital status, civil union status, domestic partnership status, familial status, or family responsibilities; military or veteran status, including unfavorable discharge from military service; personal appearance, height, or weight; matriculation or political affiliation; expunged juvenile records; arrest and court records where prohibited by applicable law; status as a victim of domestic or sexual violence; public assistance status; order of protection status; status as a smoker or nonsmoker; membership or activity in local commissions; the use or nonuse of lawful products off employer premises during non-work hours; declining to attend meetings or participate in communications about religious or political matters; or any other classification protected by applicable law.
Should you require any accommodation through the application process, please send an e-mail to the
No agencies please.
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