16 security intern jobs at 12 companies in Englewood, CO

1w
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DEN International Airport Security Officer
Denver, Colorado, United States
$23/hr OnsiteFull Time
ACTS-Aviation Security
ACTS-Aviation Security: Provides aviation security screening and protection services for airports.
High school diploma/GED, valid driver's license, pass TSA Security Threat Assessment and criminal history check; able to stand/walk full shifts, lift 25 lb, communicate effectively, and follow airport security procedures.
2d
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Fall 2026 Mechanical Engineering Intern
Centennial, Colorado, United States
$30/hr OnsiteFull Time, Internship
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
Undergraduate student graduating December 2026-June 2027 with strong organization, communication, teamwork, problem-solving, and technology skills; must obtain and maintain U.S. security clearance and meet U.S. work authorization rules.
CAD, MATLAB
5d
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Aviation Security Operations Administrator - Denver International Airport
Denver, Colorado, United States
$87k-$125k/yr OnsiteFull Time
City and County of Denver
City and County of Denver: Provides municipal services and infrastructure for the Denver community.
3+ YOEBachelor's degree in business, management, aviation, or related field and 3 years of moderately complex airport, airline, military, security, emergency management, or contract administration experience. Valid driver's license required.
Service Level Agreements (SLAs), Key Performance Indicators (KPIs), Requests for Proposals (RFPs), Operating Instructions (OIs), Standard Operating Procedures (SOPs), Personally Identifiable Information (PII), Sensitive Security Information (SSI), Colorado Open Records Act (CORA)
3d
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Airport Security Compliance Coordinator - Denver International Airport
Denver, Colorado, United States
$31-$49/hr OnsiteFull Time
City and County of Denver
City and County of Denver: Provides municipal services and infrastructure for the Denver community.
2+ YOEHigh school diploma or GED, valid driver's license, and two years coordinating technical security duties in a relevant industry. Requires analytical, communication, organizational, contract compliance, and Microsoft Office skills.
Microsoft PowerPoint, Microsoft Teams, Microsoft Excel, Microsoft Word, Microsoft Outlook, IDMS, CCTV
2mo
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Catering Security Agent - Denver International Airport
Denver, Colorado, United States
$22/hr OnsiteFull Time
ACTS-Aviation Security
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.
3mo
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Senior Manager, Engineering - Platform Security
Denver or New York City or San Francisco
$228k-$274k/yr HybridFull Time
Fastly
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.
Kubernetes, PKI, Chef, Python, Go, Terraform, HashiCorp Vault, SPIFFE, SPIRE, Linux
1mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Burlington or Golden or Israel
$180k-$220k/yr RemoteFull Time
Pentera
Pentera: Automated security validation and penetration testing platform
5+ YOE5+ years security research/penetration testing, 3+ years Python, strong Windows/Linux internals, reverse engineering, cloud (AWS/Azure), and proficiency with security tools (Metasploit, Nmap, Burp).
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDBG, Radare2, Windows, Linux, AWS, Azure
1mo
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Protection Specialist, Executive Services, NA
Denver, Colorado, United States
$130k-$140k/yr OnsiteFull Time
Vantage Data Centers
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.
1w
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Assistant Director
Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Boston or New York or Philadelphia or Fort Worth
$171k-$292k/yr OnsiteFull Time
U.S. Securities and Exchange Commission
U.S. Securities and Exchange Commission: Protects investors and regulates the U.S. securities markets.
1+ YOEJ.D. and active bar membership; one year specialized experience at SK-14 level advising on federal securities law, developing compliance policy, and supporting internal compliance programs.
2w
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Director, Business Development, Sales and Strategy (40173)
Virginia or Melbourne or Orlando or Tampa or Londonderry or California or Seattle or Washington or Maryland or Denver or New York City or Hawaii or Illinois or Minnesota or Cleveland or Vermont
RemoteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
13+ YOE15+ years related experience (or 13 with graduate degree, or 19 without degree), strong DoD and international acquisition knowledge, executive communication, capture and sales leadership, ability to obtain US security clearance.
Federal Procurement Data System (FPDS), FedBizOps, GovWinIQ, Avascent Analytics, DACIS, IHS Janes, Bloomberg Government
2mo
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Quality Engineer II
Centennial, Colorado, United States
$81k-$111k/yr OnsiteFull Time
Sierra Space
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)
2mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Denver or Golden or Colorado or Israel
$180k-$220k/yr RemoteFull Time
Pentera
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.
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDbg, Radare2, AWS, Azure, Windows, Linux
2mo
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Vice President, Business Development
Berthoud, Colorado, United States
$280k-$330k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
12+ YOESenior sales leader with minimum 12 years in aerospace/defense sales or capture, proven federal procurement success, FAR/DFARS knowledge, team leadership, ability to obtain U.S. security clearance, onsite in Berthoud CO with extensive domestic and some international travel.
2mo
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Senior Munitions Response Manager
Denver or Honolulu or United States
$130k-$150k/yr RemoteFull Time
Nakupuna
Nakupuna: Provides professional services and technical solutions for federal agencies.
12+ YOEMust meet DDESB TP-18 standards, UXO Technician III+, 12+ years UXO experience, ability to obtain base access and security clearance, 40-hour HAZWOPER, valid U.S. driver\u0019s license, CQM or ISO 9001 internal auditor training.
Microsoft Word, Microsoft Excel, Microsoft Project
1mo
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Rides Team Member
Denver, Colorado, United States
$19/hr OnsitePart Time, Seasonal
Elitch Gardens
Elitch Gardens: Operates a historic amusement and water park in Denver.
Must be at least 16, complete International Ride Operator Certification, read operations manuals, communicate in English, stand long periods, lift up to 30–100 lbs, pass criminal/drug/social security background checks, and work flexible hours including weekends and holidays.
1mo
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International Trust Operations Manager
Ireland or Seattle or Vancouver or Austin or Boulder or Ankeny or Reading or Ho Chi Minh City
OnsiteFull Time
Absolute Security
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.
Claude, Copilot