231 security systems engineer jobs at 90 companies in Lakewood, CO

3mo
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Senior Systems Engineer – Security Integration
Aurora, Colorado, United States
$152k-$205k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Employee-owned engineering providing technical mission support for defense and space programs serving government and industry.
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
3w
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Systems Security Engineer III
Lone Tree or Englewood
$108k-$149k/yr OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Aerospace and national security contractor providing innovative technology solutions.
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
2mo
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Systems Engineer, Battlespace
Broomfield, Colorado, United States
$113k-$149k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
2+ YOE2+ years hardware and software systems engineering; MBSE; Python; MBSE tools; security clearance; travel up to 25%.
JAMA, Cameo, MATLAB, Simulink, AFSIM, Python
2mo
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Principal Systems Engineer – RF Systems
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
3mo
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Information Systems Security Engineer
Phoenix or Denver or Las Vegas
$104k-$154k/yr OnsiteFull Time
Womble Bond Dickinson
Womble Bond Dickinson: Private transatlantic full-service law firm serving businesses with legal advice across the United States and United Kingdom.
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
1d
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Systems Engineer-Clearance Required
Littleton, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Experienced professional systems engineer responsible for technical planning, system integration, verification, validation, requirements allocation, trade studies, and hardware/software specifications; security clearance required.
2mo
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Principal Security Engineer
San Francisco or Denver or New York City
$240k-$310k/yr OnsiteFull Time
Candid Health
Candid Health: Private revenue cycle management software automating billing for healthcare providers.
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.
1mo
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Sr. Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
Airbus U.S. Space & Defense
Airbus U.S. Space & Defense: Private U.S. aerospace and defense contractor serving government customers with satellites, aircraft, helicopters, communications, and uncrewed systems.
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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Principal Systems Engineer
Centennial or Louisville
$174k-$239k/yr OnsiteFull Time
Sierra Space
Sierra Space: Commercial space and defense technology.
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
1mo
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Senior Information Systems Security Engineer
Boulder, Colorado, United States
$112k-$196k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Technology and engineering solutions for defense and infrastructure.
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
3d
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Cyber Systems Security Engineering Sr - E3
Littleton, Colorado, United States
$110k-$205k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
3+ YOEBachelor's degree in cybersecurity or related discipline, 3 years of cybersecurity engineering experience, and active TS/SCI clearance. Requires systems engineering, risk management, and cybersecurity expertise.
Risk Management Framework
4w
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Senior Systems Engineer
Atlanta or Austin or Denver or Seattle or Washington
$168k-$254k/yr HybridFull Time
Cloudflare
CloudflareNYSE: NET: Cloud-based security, performance, and reliability services for Internet applications.
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
4d
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Satellite Systems Engineer, Lead
El Segundo or Denver or Colorado Springs or Washington
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
10+ YOE10+ years in systems engineering on DoD or national security space systems; 5+ years in satellite architecture or integration; major program review experience; Secret clearance; bachelor's degree.
1mo
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Systems Engineer I
Denver, Colorado, United States
$70k-$83k/yr OnsiteFull Time
Bosch Building Technologies
Bosch Building Technologies: Private systems integrator delivering security, fire-life-safety, automation, and energy solutions for buildings.
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
3mo
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Information Systems Security Engineer (ISSE) - Aurora, CO
Aurora, Colorado, United States
$95k-$150k/yr OnsiteFull Time
ICR, Inc.
ICR, Inc.: Employee-owned U.S. defense contractor providing engineering, software, research, and operational solutions to intelligence and defense communities.
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
4w
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Systems Development Engineer II, ADC Security Services (A2SE)
Denver, Colorado, United States
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
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
2w
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Engineer II - Information System Security
Broomfield or Boulder
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
2+ YOEBachelor's degree in engineering or related technical field plus 2+ years' experience, active TS/SCI CI Polygraph clearance, DoD security certification, and knowledge of NIST, DISA STIGs, CIS benchmarks, Splunk, and Tenable.
NIST Risk Management Framework, NIST Standards, DISA STIGs, CIS benchmarks, Splunk, Tenable SC/ACAS, HBSS, DevSecOps, AWS, MITRE ATT&CK Framework
1mo
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Staff Radar Systems Engineer
Denver, Colorado, United States
OnsiteFull Time
LeoLabs
LeoLabs: American aerospace providing radar-based orbital intelligence and space situational awareness to government and commercial operators.
10+ YOE10+ years radar/sensor systems engineering experience, bachelor's in a technical discipline, strong radar/RF/signal processing knowledge, requirements and test development, US citizenship and ability to obtain security clearance.
3mo
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Payload Systems Engineer
Longmont, Colorado, United States
$120k-$160k/yr OnsiteFull Time
Custom Microwave
Custom Microwave: Private aerospace and defense manufacturer of passive antennas and microwave components for space and ground systems.
5+ YOEFive+ years in a related role; BS in Electrical Engineering; ability to obtain security clearance; US citizenship or permanent residency for ITAR; drug and background checks.
2mo
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Senior Systems Test Engineer I
Littleton or New Zealand or Australia or Japan or Switzerland or United States or Europe
$100k-$130k/yr OnsiteFull Time
ASI Aerospace LLC
ASI Aerospace LLCNASDAQ: RKLB: End-to-end space delivering launch services and spacecraft.
5+ YOEBachelor's in engineering, 5+ years testing or developing electrical systems, Python scripting, RLC circuit and test equipment experience, ability to obtain security clearance, U.S. citizenship required.
Python, RLC, DMMs, Oscilloscopes, Ethernet, UART, LVDS, CAN