27 entry level security engineer jobs at 13 companies in Windsor, CO

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Engineer I – Information System Security
Broomfield, Colorado, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
BS in engineering or related field, CompTIA Security+ CE, knowledge of NIST 800-37/800-53, DISA STIGs, MBSE and CAMEO familiarity, willing to obtain security clearance, strong communication and systems engineering foundation.
CAMEO, Model-Based Systems Engineering (MBSE), SysML, UML, AWS
2mo
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Project Engineer Level 2
Longmont, Colorado, United States
$70k-$124k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOERequires BS degree, 1+ years project engineering experience, active US security clearance, proficiency with Microsoft Excel and Microsoft Office, ability to coordinate tasks and stakeholders; Agile, Jira, and Earned Value Management experience desired.
Microsoft Office, Microsoft Excel, Jira, Agile Project Management, Earned Value Management
9h
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Security Engineer III, Incident Response
Boulder, Colorado, United States
$147k-$210k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's degree or equivalent experience,2+ years security engineering and assessments,2+ years coding experience,incident response experience preferred,strong communication and critical thinking.
1w
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Cyber Security Automation Engineer
Fairmont or Boulder
$64k-$106k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
0+ YOEDevelop automation and tools for SOC workflows; proficiency in at least one major programming language; experience with Linux, Git, CI/CD; US citizenship and active Secret clearance required.
Python, Java, JavaScript, REST APIs, SIEM, SOAR, Linux/Unix, Git, CI/CD
1d
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Structural Engineer I
Boulder, Colorado, United States
$65k-$110k/yr RemotePart Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
BS in engineering required, entry-level structural analysis for spacecraft and hardware, familiarity with FEA and testing, strong communication and teamwork, eligible for security clearance.
Nastran, Femap, Simcenter, MATLAB, Python, Mathcad
1mo
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Principal Cyber Security Engineer 2026-01646
Cheyenne or Wyoming
$7k-$8k/mo OnsiteFull Time
State of Wyoming
State of Wyoming: Provides government administration and public services for Wyoming residents.
1+ YOEDesign and lead enterprise cybersecurity architecture and Zero Trust, manage CrowdStrike and Google Workspace/GCP integration, perform advanced forensics and malware analysis, automate security workflows with Python/PowerShell/Bash, ensure compliance with CJIS/IRS Pub 1075/NIST 800-53; Bachelor's degree (or experience substitution) and fingerprint ...
Google Workspace, Google Cloud Platform (GCP), Google Workspace Admin SDK, GCP Security Command Center, CrowdStrike Falcon, CrowdStrike APIs, Real Time Response (RTR), Active Directory, Python, PowerShell, Bash, Terraform, Ansible, MITRE ATT&CK, REST API, Windows
1w
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Engineer II - Quality
Westminster, Colorado, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in Engineering plus 2+ years related experience (higher degree may substitute), knowledge of quality engineering principles and industry specs, experience with APQP/AS9145 and SPC, willing/eligible for security clearance.
APQP/AS9145, SPC, First Article Inspection (FAI)
1mo
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Development Engineer II
Berthoud, Colorado, United States
$90k-$115k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
2+ YOEBachelor's in engineering, 2+ years rocket propulsion experience, knowledge of solid rocket motor fundamentals, programming competency, CAD experience (Siemens NX preferred), and eligibility for U.S. Secret security clearance.
Siemens NX, Python, MATLAB, FORTRAN, CEA, CLWire, ProPEP, ANSYS
2mo
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ICT/Security BIM Designer
Denver or Grand Junction or Fort Collins or Colorado Springs
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
1+ YOE1+ year industry experience; proficiency with Revit/3D design and document management; knowledge of telecommunications or electronic security systems; Microsoft Office/Bluebeam skills; strong communication and attention to detail.
Revit, Bluebeam, Microsoft Office
2w
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Systems Engineer II (Secret Clearance Required)
Centennial or Louisville
OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's or equivalent, typically 2+ years related experience, active U.S. Secret security clearance required, practical systems engineering skills in requirements, architecture, integration, and V&V.
DOORS, CAMEO EA, Rhapsody, Matlab, SysML
3w
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Systems Engineer I
Denver, Colorado, United States
$70k-$83k/yr OnsiteFull Time
Robert Bosch
Robert Bosch: Global supplier of technology and engineering services.
1+ YOETechnical 2-year degree or higher, 1+ years low-voltage/security systems design experience, certifications in access control/video/intrusion platforms, NEC knowledge, Microsoft Office proficiency, ability to pass pre-employment screening.
Microsoft Office, SQL, VPN, VMS, CAD
2d
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Cybersecurity Engineer (Software Assurance / ISSO Support)
Boulder, Colorado, United States
$125k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
1+ YOEBachelor's in CS/Cybersecurity/Engineering,1–3 years cybersecurity or software security experience,Security+ CE (DoD IAT II),ability to obtain required security clearance,knowledge of secure coding,DevSecOps,and RMF/ATO processes.
SAST, DAST, SCA, CI/CD, DevSecOps, DISA STIGs, RMF, Linux, Windows
1d
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Network WAN/LAN Engineer
Fort Collins, Colorado, United States
$40-$48/hr OnsiteContract
Sentinel Technologies
Sentinel Technologies: Provides managed IT services and comprehensive technology solutions.
2+ YOE2+ years network engineering experience, hands-on Cisco, Microsoft Azure and Azure Fabric, routing/switching/VLANs/VPNs, network security, strong troubleshooting and customer service, valid driver\u0002s license, willing to work on-call, legally authorized to work in the US.
Cisco, Microsoft Azure, Azure Fabric, VMware, Dell
1mo
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Staff / Sr Staff DevSecOps Engineer
Boulder, Colorado, United States
$96k-$141k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
2+ YOEMinimum 2 years DevOps/DevSecOps experience with CI/CD, container deployments (Docker, Kubernetes/EKS), Istio, Prometheus/Grafana, Python3, Linux; bachelor's in CS/engineering/math/physical sciences; ability to obtain DoD security clearance; onsite work required.
Docker, Docker Compose, Kubernetes, Amazon Elastic Kubernetes Service (EKS), Istio, Prometheus, Grafana, Keycloak, Python3, Linux, Helm, GitLab CI, GitLab, SonarQube, JFrog Artifactory, Nexus, Grype, Syft, Git
3w
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Enterprise Information Systems Engineer
Fort Lupton, Colorado, United States
$99k-$149k/yr OnsiteFull Time
Charm Industrial
Charm Industrial: Sequesters carbon by converting biomass residues into bio-oil.
2+ YOE2+ years in systems integration or MES/ERP administration; hands-on NetSuite experience preferred; SQL and API integration proficiency; basic C# scripting; strong communication and information security knowledge.
Manufacturo (MFO), NetSuite, Mangrove, C#, SQL, Google Sheets, Ignition SCADA, Claude AI Coding Assistant, GitHub, Google Cloud Platform, Bartender
1w
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2026 Fall Intern - Inflight Experience Operations Strategy
Denver, Colorado, United States
$20-$24/hr OnsiteFull Time
Frontier Airlines
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