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Intern, Infrastructure Cybersecurity - Summer 2027

Mansfield Oil Company
United States, Georgia, Gainesville
1025 Airport Parkway (Show on map)
Nov 11, 2026

As a Summer Intern in Infrastructure Cybersecurity, you will collaborate with a team of network, systems, and security engineers to protect and strengthen the company's technology environment. This is a hands-on role where you'll contribute to real-world projects, gaining experience in network security, vulnerability management, identity and access management, and security compliance.

Internship Details:

  • General: Full-time, Monday - Friday, onsite paid internship
  • Pay: $21/hour
  • Dates: May 24, 2027, through August 6, 2027 (Required)
  • Location: Corporate headquarters, Gainesville, GA (Onsite Required)

Key Responsibilities

  • Vulnerability Management:
    • Assist with vulnerability scanning, triage and prioritize findings, and track remediation with system owners.
  • Security Monitoring & Incident Response:
    • Review alerts from endpoint, identity, and network security tools, and support the investigation and documentation of security events under supervision.
  • Network & Infrastructure Hardening:
    • Support firewall rule reviews, network segmentation validation, and secure configuration baselines for servers, network devices, and cloud resources.
  • Identity & Access Management:
    • Assist with user access reviews, multi-factor authentication coverage reporting, and cleanup of stale or over-privileged accounts.
  • Compliance & Documentation:
    • Help gather evidence for internal security assessments, and create or update procedures, runbooks, and network diagrams.
  • Collaboration:
    • Work closely with infrastructure, cloud, and application teams to define project goals and deliverables and promote secure practices.

Skills & Qualifications

Required:

  • Currently pursuing a degree in Cybersecurity, Computer Science, Information Technology, or related field.
  • Understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing, VLANs).
  • Familiarity with Windows and Linux operating systems.
  • Understanding of core security concepts (least privilege, defense in depth, authentication and encryption).
  • Strong analytical, problem-solving, and written communication skills.
  • Ability to handle confidential information with discretion.

Preferred:

  • Progress toward an industry certification (CompTIA Security+, Network+, or Cisco CCNA).
  • Exposure to cloud platforms (Azure) and Microsoft 365 security.
  • Scripting experience (PowerShell or Python).
  • Hands-on lab, homelab, or capture-the-flag (CTF) experience is a plus.

What We Offer

  • Mentorship from seasoned Infrastructure and Cybersecurity professionals.
  • Hands-on experience securing a real enterprise environment.
  • Opportunity to work on impactful, high-visibility projects.
  • A supportive and innovative work culture.
  • Potential for future opportunities.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

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