36 security researcher jobs at 24 companies in Lone Tree, CO

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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
2mo
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Cybersecurity Researcher Reverse Engineer
Golden, Colorado, United States
$100k-$217k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
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
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Research Associates - National Security Initiatives
Boulder, Colorado, United States
$70k-$210k/yr OnsiteFull Time
University of Colorado Boulder
University of Colorado Boulder: Public research university offering undergraduate and graduate education programs.
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.
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National Security Space (NSS) Mission Analyst
Colorado Springs, Colorado, United States
$120k-$155k/yr OnsiteFull Time
Omitron
Omitron: Provides aerospace engineering and mission operations for space programs.
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 Manager, Applied Science, AWS Science of Security
Arlington or Seattle or New York or Denver
$219k-$296k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
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
Bluestaq
Bluestaq: Develops secure data management platforms for defense and space missions.
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
Quantinuum
Quantinuum: Building full-stack quantum computing hardware and software systems.
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
4d
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Signals Analyst 2
Aurora or Columbia
$120k-$181k/yr OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
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
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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.
1w
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Space Domain Awareness and Mission Analyst
Colorado Springs or El Segundo or Chantilly
$117k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
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
2w
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Staff Engineer / Scientist 1
Littleton, Colorado, United States
$79k-$100k/yr OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
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
3d
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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
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
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
Resonant Sciences
Resonant Sciences: A research and development firm focused on innovative defense technologies and analytical capabilities.
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
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R&D Engineer
Littleton, Colorado, United States
$80k-$140k/yr OnsiteFull Time
Canopy Aerospace & Defense
Canopy Aerospace & Defense: Manufacturer of advanced thermal and signature-reducing aerospace materials.
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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GIS Analyst in Colorado Springs, Colorado, United States
Colorado Springs, Colorado, United States
$72k-$99k/yr OnsiteFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Provides global consulting and engineering services for water and environment.
3+ YOEBachelor's degree in geography/planning or related, 3-4 years professional experience, U.S. citizenship, ability to pass background/security check, strong ArcGIS/ESRI and Microsoft Office skills, cartography and GIS data management.
ArcGIS, ESRI, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, Adobe Creative Suite, Adobe InDesign, GPS
2mo
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AI/ML Engineer - ELSYS - Colorado Springs, CO - (Open Rank)
Colorado Springs, Colorado, United States
OnsiteFull Time
Georgia Tech Research Institute
Georgia Tech Research Institute: Performs applied scientific research and engineering for various organizations.
5+ YOEExperience with Python, relational databases, web APIs, LLM integration, data pipelines, ML frameworks (PyTorch/TensorFlow/Scikit-learn/NumPy), and Git; U.S. citizenship and ability to obtain security clearance required; advanced degree/experience combinations preferred.
Python, PostgreSQL, MySQL, REST, GraphQL, PyTorch, TensorFlow, Scikit-learn, NumPy, Git, NVIDIA Omniverse, Isaac Sim, Unified Data Library (UDL), Model Context Protocol, LangChain, LlamaIndex, Platform One, AWS GovCloud, Azure Government, RDF, OWL, SPARQL, Docker, Kubernetes
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Lateral Associate - Corporate - Securities Regulation & Corporate Governance (DE)
Denver or Delaware
$235k-$390k/yr OnsiteFull Time
Gibson, Dunn & Crutcher
Gibson, Dunn & Crutcher: A law firm recruiting associates with experience in corporate governance and securities regulation.
Law school class years 2020–2024; experience advising public companies on corporate governance and IPO governance; experience with securities regulation and Exchange Act disclosure; strong academic record, writing, and research skills.
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Sales Development Representative
Denver, Colorado, United States
$50k-$60k/yr HybridFull Time
Todyl
Todyl: Provides a unified cloud-native cybersecurity platform for small businesses.
0+ YOE0–2 years in sales or customer-facing roles preferred; strong communication, organization, coachability, interest in technology/security, prospect research, outbound/inbound outreach, and CRM usage.
CRM
1w
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Client Service Associate (Denver, CO)
Denver, Colorado, United States
$45k-$61k/yr OnsiteFull Time
Raymond James
Raymond JamesNew York Stock Exchange: RJF: Provides wealth management, investment banking, and retail banking services.
High school diploma or equivalent required; 1+ year securities industry or related experience preferred. Requires CRM software, Microsoft Excel, communication, organization, research, and customer service skills.
Client Relationship Management (CRM) software, Microsoft Excel
2w
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Cloud Infrastructure Engineer
Aurora, Colorado, United States
$110k-$130k/yr RemoteFull Time
RefinedScience
RefinedScience: AI platform for precision drug discovery and clinical development.
Design and maintain GCP infrastructure using IaC (Terraform/Pulumi), manage cloud networking and compute, build CI/CD pipelines, implement observability and security controls in a regulated research environment.
Google Cloud Platform (GCP), AWS, Azure, Linux, Terraform, Pulumi, GitHub Actions, Google Cloud Build, Cloud Monitoring, Cloud Logging, Prometheus, Grafana, Python, Docker, Kubernetes, GCE, Cloud Run, VPC Service Controls, Cloud Router