Intern, Infrastructure Cybersecurity
Mansfield Energy Corp
Gainesville, GAFresher2h agovia LinkedIn
This job at a glance
- Who can apply
- New grads and up to 1 year
- Must know
- CybersecurityNetwork securityVulnerability managementIncident responseLinuxWindows
- Nice to have
- NetworkingCompTIA Security+AzurePython
- Work
- On-site in Gainesville · internship
- Pay
- Not stated by the employer.
- Skill demand
- Cybersecurity87%Vulnerability management66%Incident response51%Network security34%of 68 similar entry-level jobs posted in the US this week
- Listed
- Nov 11, 2026 · still open
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About the Role
- Summer Intern, Infrastructure Cybersecurity at Mansfield Energy Corp.
- Collaborate with network, systems, and security engineers to protect and strengthen the company’s technology environment.
- Gain hands-on experience in network security, vulnerability management, identity and access management, and security compliance.
Internship Details
- Type: Full-time, 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.
- 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.
- 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.
Requirements & Tech Stack
- Education: Currently pursuing a degree in Cybersecurity, Computer Science, Information Technology, or related field.
- Technical Knowledge:
- 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).
- Skills:
- Strong analytical, problem-solving, and written communication skills.
- Ability to handle confidential information with discretion.
Preferred Qualifications
- 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.
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.