53 security researcher jobs at 30 companies in Colorado
3w
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Senior/Staff Security Researcher
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Maryland or Massachusetts or Michigan or Missouri or Nebraska or New Jersey or New York or North Carolina or Oregon or Tennessee or Texas or Virginia or Washington or Wisconsin
$190k-$319k/yr RemoteFull Time
Deep application security and program-analysis knowledge, ability to write and audit code in multiple languages, experience with applied AI/LLMs, building detection and evaluation pipelines, and autonomous research-driven delivery.
Semgrep, LLM, RAG, pydantic-ai, MCP, Kubernetes, Argo, Temporal, SAST, AST, IR, Claude Code, Cursor, Windsurf
1mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Burlington or Golden or Israel
$180k-$220k/yr RemoteFull Time
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
2mo
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Cybersecurity Researcher Reverse Engineer
Golden, Colorado, United States
$100k-$217k/yr OnsiteFull Time
Ability to perform deep firmware and hardware reverse engineering, develop exploits for constrained embedded systems, analyze industrial control and smart grid protocols, and obtain DOE/DoD security clearance; relevant degree and several years of experience required.
RTOS, VxWorks, QNX, FreeRTOS, JTAG, UART, SWD, CAN, I2C, SPI, Modbus, DNP3, IEC 61850, GOOSE, SV, CIP, EtherNet/IP, OCPP, IEEE 2030.5, MQTT, ARM, MIPS, PowerPC, ASLR, DEP/NX
1mo
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Research Associates - National Security Initiatives
Boulder, Colorado, United States
$70k-$210k/yr OnsiteFull Time
3+ YOEPhD in a relevant engineering or CS field; minimum 3 years research experience (6 for senior); proven expertise in specified focus area; ability to obtain/maintain U.S. security clearance; strong communication and organizational skills.
1mo
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National Security Space (NSS) Mission Analyst
Colorado Springs, Colorado, United States
$120k-$155k/yr OnsiteFull Time
5+ YOEUS citizen with active TS/SCI and CI polygraph eligibility, Bachelor's in a technical field, 5+ years SSA/orbital analysis experience, proficiency with orbital mechanics, real-time analysis, and MS Office; security-conscious and able to work in isolated secure facilities.
Astrodynamics Support Workstation (ASW), Red Hat, Fedora, SUSE, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Access, Microsoft SharePoint
3w
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Sr. Research Manager
United States or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin
$115k-$150k/yr RemoteFull Time
2+ YOEBachelor's degree required, 2+ years research/analysis/product/consulting/journalism experience in software or cybersecurity, strong writing and presentation skills, advanced Microsoft Excel, familiarity with DevSecOps and AI application security.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
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AI Research Scientist, Applied AI
Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom
$120k-$170k/yr RemoteFull Time
2+ YOEActive U.S. security clearance (Secret minimum), Masters (or PhD) in related field, 2+ years' relevant experience (or PhD research), AI/ML expertise, software development skills, strong communication, ability to work with multidisciplinary teams.
Python, R, C++, Java, Github, CI/CD
4w
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Sr Manager, Applied Science, AWS Science of Security
Arlington or Seattle or New York or Denver
$219k-$296k/yr OnsiteFull Time
5+ YOEPhD in a technical field,5+ years in predictive modeling/analysis,experience programming in Java,C++,Python,and proven record leading and developing applied scientists.
Java, C++, Python
3w
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2027 Bluestaq Summer Internship (NDSU)
Colorado Springs or Fargo
$28-$42/hr OnsiteFull Time
Enrollment in an NDSU M.S. or Ph.D. program in a qualifying discipline, U.S. citizenship, eligibility for security clearance, strong academic record, and interest in applied AI/data for national security.
3mo
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Optical R&D Manager - 818
Broomfield, Colorado, United States
$180k-$225k/yr OnsiteFull Time
8+ YOE3+ MgmtBachelor’s degree; 8+ years optical systems experience; 3+ years managing technical teams; US person per contract; security restrictions.
Zemax, Code V, LighTools, FRED
5d
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Signals Analyst 2
Aurora or Columbia
$120k-$181k/yr OnsiteFull Time
3+ YOESignals analysis experience in aerospace, communications, electronic, or industrial domains; technical degree and relevant experience required. Active security clearance with appropriate polygraph required.
PROFORMA, TSR, DNI
2mo
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CWMD Strategy & Policy Analyst
Peterson AFB, Colorado, United States
$48k-$98k/yr OnsiteFull Time
5+ YOEExperience with CWMD or defense policy programs; Top Secret clearance; Bachelor's degree or 5+ years in analytical/CWMD field; knowledge of national security policy and compliance.
2w
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Space Domain Awareness and Mission Analyst
Colorado Springs or El Segundo or Chantilly
$117k-$227k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of relevant national security space experience; programming proficiency; modeling and simulation experience; U.S. citizenship; TS/SCI eligibility required.
Python, MATLAB, C++, Java, C, FORTRAN
5d
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Domain Analyst
Peterson Air Force Base, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Defense mission experience, operational planning, Joint Force expertise, TS/SCI clearance, bachelor's degree, Naval Command & Staff school, and DoDM 8140.03 certification such as Security+.
Maven, MADSS, DRRS, DoW Artificial Intelligence, Atlassian Suite, Confluence, Jira, Test & Evaluation
5d
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Case Study Proctor Associate 6450041
San Francisco or Walnut Creek or Mountain View or Cleveland or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington
$22-$32/hr OnsiteFull Time, Contract
1+ YOEMinimum 1 year of work experience; ability to follow detailed protocols, troubleshoot hardware and software, manage secure data uploads, document issues, communicate clearly, and protect confidentiality.
sensors, wearables
1w
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Head of AI Safety
Massachusetts or Colorado or New York or Virginia or Georgia or Pennsylvania or Maryland or Wisconsin or Tennessee or Oregon or New Jersey or District of Columbia
$110k-$145k/yr RemoteFull Time
Experience in trust and safety, online harms, violence prevention, safeguarding, or public health; project and people management; strong writing, judgment, AI fluency, and willingness to travel and complete security procedures.
LLMs
2w
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Staff Engineer / Scientist 1
Littleton, Colorado, United States
$79k-$100k/yr OnsiteFull Time
2+ YOEB.S. in optics/physics/engineering or related with 2+ years experience (M.S. preferred), US citizenship and ability to obtain security clearance, optics/laser/sensor experience, MATLAB or Python proficiency.
MATLAB, Python
4d
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Principal Virologist, Responsible Development and Innovation, DeepMind
Mountain View or Boulder or Cambridge or Kirkland or New York City or Washington, D.C.
$307k-$427k/yr OnsiteFull Time
15+ YOEPhD in virology or equivalent experience; 15 years working with high-consequence pathogens in national security, defense, or biosecurity; wet-lab virology and BSL-3 or high-containment BSL-2 experience.
Large Language Models (LLMs), command-line tools
2mo
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Operations Analysis Engineer
Dayton or Denver
$120k-$180k/yr HybridFull Time
8+ YOEMaster’s in engineering, physics, or mathematics plus 8+ years in operations analysis or weapon system development; strong programming in MATLAB/Python/C++; experience with U.S. government modeling tools; security clearance required.
MATLAB, Python, C++, AFSIM, STK, VTK, BRAWLER, SUPPRESSOR, STORM, RADGUNS
1mo
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R&D Engineer
Littleton, Colorado, United States
$80k-$140k/yr OnsiteFull Time
3+ YOEB.S. in engineering or materials science, 3+ years hands-on hardware development and test experience, CAD and GD&T proficiency, experimental test and DAQ experience, Python familiarity, and ability to obtain US Secret security clearance.
CAD, GD&T, Python, data acquisition systems, COTS sensors, 3D printers, CNC machines, robotic systems, arc-jet, torch
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