14 security intern jobs at 12 companies in Centennial, CO
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2026 Fall Intern - Inflight Experience Operations Strategy
Denver, Colorado, United States
$20-$24/hrOnsiteFull Time
Frontier AirlinesNasdaq: ULCC: Provides low-fare passenger air transportation services across the Americas.
Currently pursuing a degree in business/aviation/operations/engineering/computer science; must pass FAA criminal background checks and be able to secure airport/SIDA or customs badges; strong communication and MS Office skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
ACTS-Aviation Security: Provides aviation security screening and protection services for airports.
High school diploma/GED, valid driver\u0000s license, ability to pass TSA Security Threat Assessment and criminal history check, able to stand/walk full shifts and lift 25 lb, customer service and communication skills; 2 years security/military/law enforcement preferred.
Catering Security Agent - Denver International Airport
Denver, Colorado, United States
$22/hrOnsiteFull Time
ACTS-Aviation Security: Provides aviation security screening and protection services for airports.
High school/GED required; must be at least 18 and U.S. citizen, hold a valid U.S. driver’s license, complete FBI fingerprinting/SIDA badge and 10-year background check, able to lift 30 lbs, work varied shifts including weekends and holidays, English proficiency.
Alvarez & Marsal: Provides management consulting, restructuring, and business advisory services.
Bachelor’s degree required; advanced degree preferred; international trade and compliance experience; strong research/writing; proficiency with MS Office and collaboration tools.
MS Teams, Microsoft Word, Microsoft Excel, PowerPoint, Microsoft Project, SharePoint
FastlyNYSE: FSLY: Provides edge cloud platform for content delivery and cybersecurity.
4+ YOE4+ Mgmt4+ years managing Platform or Site Reliability Engineering teams; 10+ years distributed systems; experience with secrets/workload identity; large-scale production infra in cloud and on-prem; Linux internals; Python or Go a plus.
Vantage Data Centers: Provides hyperscale data center campuses for cloud and AI providers.
5+ YOE5+ years executive protection or corporate security experience; experience with close protection, travel security, advances, and OSINT; ability to support domestic and international travel up to ~50%+, strong communication, judgment, and situational awareness.
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree or equivalent, typically 2+ years related experience, basic RCCA/CAPA knowledge, internal audit training, ability to obtain and maintain U.S. security clearance; familiarity with GD&T, IPC, and NASA requirements preferred.
Geometric Dimensioning and Tolerancing (GD&T), IPC, NASA, ISO 9001, Failure Mode and Effects Analysis (FMEA), Statistical Process Control (SPC)
Pentera: Automated security validation and penetration testing platform
5+ YOE5+ years in security research or penetration testing, strong Windows internals and networking, 3+ years Python development, experience with Metasploit/Impacket/Nmap/Burp, reverse engineering (IDA/Ghidra/WinDbg/Radare2), cloud (AWS/Azure), and applied AI/ML concepts.
Zayo Group: Provides high-capacity fiber networks and communications infrastructure.
10+ YOE10+ years IT/cybersecurity audit/risk/assurance; leadership experience; bachelor’s in Computer Engineering, Information Systems, or Computer Science.
Ireland or Seattle or Vancouver or Austin or Boulder or Ankeny or Reading or Ho Chi Minh City
OnsiteFull Time
Absolute Security: Provides self-healing endpoint security and zero trust networking solutions.
3+ YOE3–5 years GRC/audit/compliance or trust operations experience, familiarity with SOC 2/ISO 27001, GDPR, customer security questionnaires, risk and third-party assessments, strong communication and audit support skills.
Desktop Support Technician - Denver ( DEN ) International Airport
Denver, Colorado, United States
$50k-$52k/yrOnsiteFull Time
ESP Global Services: Provides global managed IT support and infrastructure services.
1+ YOE1-3 years helpdesk/desktop support experience with Windows and Mac, ability to troubleshoot hardware/software/networking and perform onboarding/offboarding tasks; CompTIA A+/Network+/Security+ or equivalent.
College Financial Representative, Internship Program
Boulder, Colorado, United States
$500-$1k/yrOnsiteIntern
Northwestern Mutual: Provides life insurance, wealth management, and financial planning services.
0+ YOEFull-time college student (juniors/seniors preferred), entrepreneurial and sales interest, strong time-management and communication, eligible for state risk product licensing and securities registrations, background check required.