Cybersecurity Internship: Build Real-World Defense Skills

Castleton Commodities International

Stamford (CT)

On-site

USD 28,000 - 41,000

Full time

14 days+
Application generator

Turn this role into an interview — a resume and cover letter built around what this employer wants.

Get past ATS filters

Job summary

Castleton Commodities International offers a Cybersecurity Intern role within its Technology organization to protect networks, systems, data, and business operations. The internship provides hands-on exposure to security operations, vulnerability management, identity and access security, data protection, and AI governance.

You will collaborate with Cybersecurity, Infrastructure, Data Science, DevOps, and other stakeholders in a fast-paced global environment, gaining practical experience through

Qualifications

  • Pursuing a bachelor’s or master’s degree in Cybersecurity, Data Science, CS, IT, Engineering, or related field.
  • Expected graduation December 2027 or Spring 2028 preferred, though strong candidates may be considered.
  • Strong interest in cybersecurity, information security, technology risk, infrastructure security, cloud security, or security operations.
  • Foundational understanding of IAM, endpoint and network security, vulnerability management, phishing/social engineering, incident response, and data protection.
  • Familiarity with SIEM, Microsoft security tools (Purview), CrowdStrike/EDR concepts, ServiceNow/Jira, scripting (PowerShell/Python), cloud platforms, vulnerability scanners, Git/Bitbucket, container security, DLP/Purview, or AI security concepts.

Responsibilities

  • Security operations and threat detection: Assist with alert review, evidence collection, initial triage notes, escalation summaries, and detection-quality improvement under guidance.
  • Vulnerability and exposure management: Support tracking, documentation, and prioritization of security findings across endpoints, cloud, external attack surface, and applications, including remediation follow-up and reporting.
  • Incident-response readiness: Help maintain incident-response documentation, escalation references, tabletop materials, post-incident action tracking, and lessons-learned templates.
  • Identity, access, and privileged access controls: Contribute to documentation and analysis supporting MFA, Conditional Access, PIM/JIT access, service-account ownership, privileged-access workflows, and access-review improvements.
  • Data protection and AI security governance: Support policy-to-control mapping, AI tool/use-case inventory, approved-use documentation, data-handling guidance, DLP/Purview planning materials, and safe AI usage communications.
  • Cloud, application, and DevSecOps security: Assist with organizing findings and project materials related to secure SDLC, dependency control, secrets detection, container/cloud security, approved software sourcing, and developer security enablement.
  • Third-party and supply-chain risk: Help collect and organize vendor/security review materials, map risk themes, and document decision-ready summaries for Cybersecurity review.
  • Security awareness and culture: Assist with role-based awareness content, phishing and social-engineering education, AI-threat communications, campaign reporting, and end-user guidance.
  • Governance, metrics, and executive reporting: Help maintain Jira/workstream hygiene, dashboards, risk summaries, KPI/KRI inputs, project status updates, and concise leadership-ready reporting.

Skills

Cybersecurity basics
Threat detection
Documentation
Analytical thinking
Communication

Education

Bachelor's or Master's in Cybersecurity/CS/IT/Engineering

Tools

Microsoft Purview
CrowdStrike
EDR concepts
Jira/ServiceNow
PowerShell/Python
Cloud platforms

Job description

Castleton Commodities International offers a Cybersecurity Intern role within its Technology organization to protect networks, systems, data, and business operations. The internship provides hands-on exposure to security operations, vulnerability management, identity and access security, data protection, and AI governance.

You will collaborate with Cybersecurity, Infrastructure, Data Science, DevOps, and other stakeholders in a fast-paced global environment, gaining practical experience through

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Cybersecurity Intern: Hands-On Security Ops & Risk
Cybersecurity Intern: Hands-On Security Ops & Risk

Castleton Commodities International, LLC • Stamford (CT)

On-site
USD 28,000 - 55,000
Cybersecurity Internship (Summer 2027)
Cybersecurity Internship (Summer 2027)

Castleton Commodities International, LLC • Stamford (CT)

On-site
USD 28,000 - 55,000
Cybersecurity Intern: Hands-On Security & Cloud Defense
Cybersecurity Intern: Hands-On Security & Cloud Defense

Inmar Inc. • Northern (KY)

Hybrid
USD 25,000 - 36,000
Cybersecurity Intern: Real-World Security Experience
Cybersecurity Intern: Real-World Security Experience

RXinsider LTD. • Northern (KY)

Hybrid
USD 25,000 - 34,000
Cyber Security Intern: Hands-on, Mentored in Cloud & IR
Cyber Security Intern: Hands-on, Mentored in Cloud & IR

Oil Authority • Oklahoma City (OK)

On-site
USD 25,000 - 36,000
Mentorship from security professionals
Field site visit to active oilfield
Pathway to full-time opportunities
Cybersecurity Intern: Hands-On Risk & Cloud Security
Cybersecurity Intern: Hands-On Risk & Cloud Security

1110 Invesco Group Services, INC. • Houston (TX)

On-site
USD 25,000 - 39,000
Company networking events with other…
Peer Sponsor Program
Leadership Connection series
+4
Cybersecurity Internship (Summer 2027)
Cybersecurity Internship (Summer 2027)

Castleton Commodities International • Stamford (CT)

On-site
USD 28,000 - 41,000
Intern - Cybersecurity
Intern - Cybersecurity

Cleco • Pineville (LA)

On-site
USD 21,000 - 30,000
Security Engineer Intern: Hands-on Cyber Defense
Security Engineer Intern: Hands-on Cyber Defense

CoStar Group • Arlington (VA)

Hybrid
USD 55,000 - 62,000
Mentor program
Cybersecurity Intern: Cloud, Threat Intelligence & IR
Cybersecurity Intern: Cloud, Threat Intelligence & IR

Devon Energy • Oklahoma City (OK)

On-site
USD 18,000 - 23,000