213 systems security engineer jobs at 86 companies in Thornton, CO
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Senior Systems Engineer – Security Integration
Aurora, Colorado, United States
$152k-$205k/yr OnsiteFull Time
6+ YOEBachelor's in a technical field (or equivalent experience), 6+ years systems/integration/security engineering experience, active TS/SCI with Full Scope Polygraph, experience with privileged-user implementation, firewalls and logging controls, strong communication skills.
firewalls, audit logging, filtering technologies, cross-domain technologies
1mo
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Staff Product Security Systems Engineer
Longmont, Colorado, United States
$120k-$1600k/yr OnsiteFull Time
5+ YOE5+ years systems or product cybersecurity engineering, Bachelor's in related field, US DoD clearance eligible, MBSE with Cameo, hands-on cybersecurity, MATLAB or C/C++/C#/Java experience.
Cameo Systems Modeler, MATLAB, C, C++, C#, Java, GitLab CI/CD
2mo
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Systems Engineer
Niwot, Colorado, United States
$89k-$135k/yr OnsiteFull Time
0+ YOESystems Engineer with requirements decomposition, system integration, test planning, and security clearance eligibility; BS/BA or MS/MA; located in Niwot, CO.
Jama, IBM Rational DOORS, Magic Cyber Systems Engineer, Scripting (test automation)
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Systems Engineer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
5+ YOERequires TS/SCI with Polygraph, bachelor’s degree or equivalent, 5+ years systems engineering experience, expertise in systems engineering concepts, experience with Jira/Confluence/Zephyr and Linux; Security+ and C++ desirable.
Jira, Confluence, Zephyr, Linux, C++
6d
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Systems Security Engineer III
Lone Tree or Englewood
$108k-$149k/yr OnsiteFull Time
5+ YOEBachelor’s degree in a relevant engineering or IT field and 5+ years of IT security experience, or 9 years without a degree; advanced cybersecurity knowledge, NIST/ISO 27001 experience, and active Top Secret clearance with SCI eligibility.
NIST, ISO 27001, Microsoft Certified Solutions Expert (MCSE), Linux, Cisco Certified Network Professional (CCNP), firewalls, intrusion detection systems, antivirus software, ACAS, Elastic Stack (ELK), SIEM, NIST SP 800-53 Revision 4, NIST SP 800-53 Revision 5
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Systems Engineer, Battlespace
Broomfield, Colorado, United States
$113k-$149k/yr OnsiteFull Time
2+ YOE2+ years hardware and software systems engineering; MBSE; Python; MBSE tools; security clearance; travel up to 25%.
JAMA, Cameo, MATLAB, Simulink, AFSIM, Python
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Principal Systems Engineer – RF Systems
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in engineering plus 6+ years experience (MS/PhD may substitute), systems engineering experience across lifecycle, RF/radar/communications/DSP/SDR/FPGA experience, requirements and integration experience, ability to obtain DoW security clearance.
MATLAB, Python, C/C++, Simulink, Jama, DOORS, FPGA
2w
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Systems Engineer III
Longmont, Colorado, United States
$120k-$155k/yr OnsiteFull Time
5+ YOEBS in electrical engineering, 5+ years similar role (3+ systems experience), ability to obtain security clearance, requirements and verification experience, antenna experience, strong communication and signals knowledge.
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Systems Engineer, Senior
Littleton, Colorado, United States
$89k-$158k/yr OnsiteFull Time
Systems engineering experience with integration, test, ICDs, trade studies, and design reviews; valid security clearance (Secret with ability to obtain Top Secret); US citizenship required; strong documentation and process focus.
3mo
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Information Systems Security Engineer
Phoenix or Denver or Las Vegas
$104k-$154k/yr OnsiteFull Time
8+ YOEISSE with CISSP/CCSP/GSEC, Associate's degree, 8+ years IT security experience; willing to travel; located in Phoenix, Denver, or Las Vegas.
Cloud Services, Artificial Intelligence, Network protections, Data classification and protection, Endpoint protection, Vulnerability scanning, Identity and Access Management, Security frameworks, Encryption Management
3w
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Information Systems Security Engineer
King of Prussia or Aurora
$75k-$158k/yr OnsiteFull Time
5+ YOELead RMF lifecycle, manage NIST 800-53/171 controls, perform vulnerability assessments, maintain ATOs, and provide cloud security oversight for AWS/Azure.
Xacta, SNOW, Nessus, Splunk, Anchore, AWS, Azure
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Principal Security Engineer
San Francisco or Denver or New York City
$240k-$310k/yr OnsiteFull Time
10+ YOE10+ years security engineering experience; architecting secure systems, threat modeling, infra-as-code, and translating HIPAA/SOC2/PCI/HITRUST into engineering requirements; strong technical leadership and communication.
3w
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Sr. Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
8+ YOEUS citizen with 8+ years (BSc) or 6+ years (MSc) aerospace systems engineering experience; Bachelor's in STEM required, Master's preferred; experience with avionics, requirements flow-down, verification, FMEA, DOORS and SysML; ability to obtain security clearance.
DOORS, SysML
3w
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Systems Engineer Integration and Testing
Florida or Denver
$134k-$187k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's in engineering,8+ years systems engineering experience,experience with ICDs and agile,test plan development and execution,ability to obtain security clearance.
1w
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Principal Systems Engineer
Centennial or Louisville
$174k-$239k/yr OnsiteFull Time
15+ YOEBachelor's in related field, typically 15+ years' systems engineering experience, active Secret U.S. security clearance, expertise in requirements, architecture, integration, V&V, and mentoring.
DOORS, CAMEO EA, Rhapsody, Matlab, SysML, Open Mission Systems (OMS), Universal Command and Control Interface (UCI), CCSDS, DTN, TSPI
4w
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Senior Information Systems Security Engineer
Boulder, Colorado, United States
$112k-$196k/yr OnsiteFull Time
5+ YOEActive Top Secret clearance,5+ years relevant experience,Bachelor's or equivalent experience,Security+ required,RMF/ATO experience,Windows and Red Hat administration,security toolset operation,and vulnerability scanning.
Windows, Red Hat Enterprise Linux, Symantec, Logrhythm, Chef, Puppet, Ansible, Docker, Kubernetes, Nessus, OpenVAS, SCC
1w
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Senior Systems Engineer
Atlanta or Austin or Denver or Seattle or Washington
$168k-$254k/yr HybridFull Time
8+ YOE8+ years building and operating Linux systems and distributed control planes; strong Rust/Go/TypeScript skills; deep Linux networking and security judgment; experience with fleet-scale device management and observability.
Rust, Go, TypeScript, IPsec, MASQUE, eBPF, Linux, WireGuard, GRE, Buildroot, Yocto, RAUC, UEFI Secure Boot, TPM, VMware, KVM, AWS, Azure, Google Cloud, Kubernetes, Prometheus, Grafana, ClickHouse, OpenTelemetry
1mo
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Systems Engineer I
Denver, Colorado, United States
$70k-$83k/yr OnsiteFull Time
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
2mo
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Information Systems Security Engineer (ISSE) - Aurora, CO
Aurora, Colorado, United States
$95k-$150k/yr OnsiteFull Time
5+ YOE5+ years as ISSE, DoD TS/SCI clearance, RMF/NIST experience, security engineering expertise, on complex federal programs.
RMF, eMass, ServiceNow, Xacta, Linux, Microsoft Windows
1w
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Systems Development Engineer II, ADC Security Services (A2SE)
Denver, Colorado, United States
OnsiteFull Time
2+ YOEActive TS/SCI with polygraph required. Bachelor's degree or CSSLP. Experience automating and operating large-scale infrastructure, 2+ years designing systems, 4+ years systems administration and engineering. Proficiency in modern programming languages and troubleshooting.
Python, Java, TypeScript, Bash, Ruby, Golang, C++, C#, Rust, SQL
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