Security Engineer Intern

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CoStar Group

5,001-10,000 employeesArlington, VirginiaReal Estate
Actively hiringPaidSummer 2027Real Estate
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Best applied by Nov 16

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About the role#

As a Security Engineer Intern, you will join our team to gain hands-on experience within a large enterprise cybersecurity program. You will be paired with a dedicated mentor to support your technical development and day-to-day learning. This 10-week program is designed to prepare you for a future career in cybersecurity through practical work and mentorship.

What you'll do#

  • Develop a working prototype to solve a cybersecurity challenge.
  • Perform cybersecurity operations such as responding to alerts, analyzing findings, and tuning controls.
  • Assist with a cybersecurity project while learning from experienced team members.
  • Gain exposure to vulnerability management, endpoint security, threat detection, security controls, and AI security.
  • Explore security tool integrations, automation, identity and access management, and cloud infrastructure security.

What you'll need#

  • Currently pursuing a bachelor's degree in Cybersecurity, Computer Science, Information Technology, Software Engineering, or a comparable major.
  • Expected graduation date between December 2027 and June 2028, with plans to return to school after the internship.
  • Minimum cumulative GPA of 3.0.
  • Available for a full-time, 40-hour work week for the 10-week summer program.
  • Demonstrated interest in cybersecurity through personal endeavors, projects, research, clubs, or competitions.
  • Coursework or experience in networking, operating systems, cloud computing, scripting, or system administration.
  • Familiarity with Windows, Linux, or cloud environments and exposure to scripting languages like Python, PowerShell, or Bash.
  • Strong analytical, troubleshooting, and problem-solving skills with the ability to communicate technical information clearly.
  • Experience collaborating on academic or team-based work.
  • Security certifications or relevant training such as Security+, Network+, or CySA+ are a plus.

Location & details#

  • Location: Arlington, Virginia.
  • Work Modality: Hybrid (Monday to Thursday in office, with the option to work from home on Friday).
  • Term: Summer 2027.
  • Compensation: Paid position.
  • Note: We are unable to provide visa sponsorship for this role.

About CoStar Group

CoStar Group provides information, analytics, and online marketplaces for the commercial and residential real estate sectors. The company operates digital platforms including Apartments.com, LoopNet, and Homes.com. It also offers spatial data technology and hospitality benchmarking services. Based in Arlington, Virginia, the firm employs between 5,001 and 10,000 people.

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