Cybersecurity Intern

Leidos

Posted 7 days ago

Internship

Washington, District of Columbia

In Person

Smart Summary

Responsibilities

The intern will support the Global Command and Control System environment by monitoring security alerts, performing investigations, and assisting with vulnerability scans. They will also document standard operating procedures, track remediation progress, and support cybersecurity awareness initiatives.

Qualifications

You are a rising junior, senior, or master's student pursuing a degree in Information Technology, Computer Science, Cybersecurity, or a related field. You possess a foundational understanding of network and cloud security, threat research, and security policies, and you are eligible to obtain a DoD Secret security clearance.

Must Have Skills for ATS

network security

cloud security

threat research

vulnerability assessment

security policies

risk assessment

automation

scripting

SIEM

endpoint protection

vulnerability scanners

Python

PowerShell

Bash

Linux

Unix

Windows

TCP/IP

Job Description

Are you looking to bridge your classroom coursework in computer science, systems administration, or cybersecurity with real-world national defense technology? At Leidos, we don’t just offer internships - we offer career acceleration.


Join Leidos’ mission-focused Air Force National Capital Region (AFNCR) IT Services team supporting senior defense leaders and national-level command functions. It's a fast-paced, high-stakes environment where the work directly supports national defense operations where uptime is mission-essential. We’re seeking a motivated Cybersecurity Intern to support the Global Command and Control System (GCCS) environment. GCCS is the Department of Defense’s premier platform for joint battle management and situational awareness. Operate at a scale and with mission relevance second to none.


As an intern, you will work alongside seasoned project managers, cyber experts and defense engineers. You will learn how mission-critical servers, client workstations, and secure networks are deployed, patched, monitored, and maintained in an enterprise military environment.

Primary Qualifications:

• Basics of network and cloud security architecture
• How to research threats, malware trends, and new vulnerabilities
• How security policies, compliance requirements, and risk assessments are applied
• How automation and scripting support security workflows
• Monitor incoming security alerts and perform initial investigation steps
• Gather logs, data, and context to support senior analysts during investigations
• Assist with running and reviewing vulnerability scans
• Track remediation progress and update documentation
• Support user access reviews, identity audits, and permission cleanups
• Document standard operating procedures, incidents, and security findings
• Help research emerging threats and prepare brief summaries
• Participate in team meetings, security projects, and tool onboarding efforts
• Assist in implementing process improvements or automation ideas
• Support cybersecurity awareness initiatives or training activities

Required Qualifications:

  • Currently enrolled in an accredited college or university pursuing a degree in Information Technology, Computer Science, Cybersecurity, Information Systems, Computer Engineering, or a related field (Rising Juniors, Seniors or Master’s level considered).
  • U.S. Citizenship required, with the ability to obtain and maintain an active Department of Defense (DoD) Secret security clearance.
  • Basic understanding of computer networks (IP addresses, ports, protocols)
  • Awareness of general cybersecurity concepts (malware, threats, vulnerabilities)
  • Ability to follow documented processes and pay attention to detail
  • Familiarity with Linux, Unix, and Windows operating system Problem-solving skills
  • Knowledge of web application security
  • Knowledge of cybersecurity frameworks and risk management methodologies
  • Familiarity with corrective action management, and auditing principles
  • Demonstrated understanding of TCP/IP, common networking ports and protocols system administration, and common security elements

Preferred Qualifications:

  • Coursework or certifications in cybersecurity, IT, or computer science
  •  Experience with or exposure to security tools (SIEM, endpoint protection, vulnerability scanners)
  • Foundational scripting knowledge (Python, PowerShell, or Bash)
  • Understanding of security frameworks
  • Prior internship or experience in IT, engineering, defense, or customer-support environments Knowledge of U.S. Department of Defense (DoD) directives and policies and procedures pertaining to sensitive information

Core Competencies:

  • Strong written and verbal communication skills.
  • Proficiency in Microsoft Office applications (PowerPoint, Excel, Word, Outlook/Teams).
  • High organizational ability, attention to detail, and analytical skills.
  • Ability to work independently and collaboratively in a fast-paced environment.

You’ll thrive in this role if you are

  • Curious and adaptive—comfortable learning new domains and asking good questions
  • Organized and self-directed, while still highly collaborative
  • Confident communicating your needs and working as an active team member

Work location and schedule

  • National Capital Region (Pentagon / Joint Base Andrews / Joint Base Anacostia-Bolling)
  • FT or PT, core business hours 8am-4pm, 10-12 week internship, target start early June 2027
  • Limited public transportation options

Why Leidos? What This Internship Offers You

  • Direct Mentorship: Daily guidance from senior systems administrators and network engineers.
  • Resume-Building Experience: Real-world enterprise exposure supporting high-profile DoD environments.
  • Security Clearance Sponsorship: Opportunity to obtain and utilize a federal security clearance, opening doors for long-term career growth in government contracting and defense tech.
  • Skill Development: Practical familiarity with DoD 8140 compliance, cyber skills, and modern device management.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 27, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos

Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
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