1w
Save
Mark Applied
Hide
Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
10+ YOE2+ Mgmt10+ years in cybersecurity with 2+ years technical leadership, Bachelor's degree, expertise in incident response, SIEM/SOAR, digital forensics, threat hunting, security automation, cloud-native security, scripting, and AI applied to security.
SIEM, SOAR, Agentic AI, Generative AI
1mo
Save
Mark Applied
Hide
Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
1mo
Save
Mark Applied
Hide
Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
5d
Save
Mark Applied
Hide
Senior Cybersecurity Engineer
Berthoud, Colorado, United States
$130k-$162k/yr OnsiteFull Time
4+ YOE4+ years cybersecurity engineering in regulated environments, bachelor's in relevant field or equivalent, expertise with NIST SP 800-171/CMMC L2 and hybrid IT/OT security, ability to work with engineering stakeholders and obtain US security clearance.
SIEM, firewalls, Zero-Trust Network Access, identity platforms, vulnerability management, site-to-site VPNs, micro-segmentation
1mo
Save
Mark Applied
Hide
Senior Cybersecurity Engineer
Princeton or Boulder
$121k-$147k/yr OnsiteFull Time
6+ YOEBachelor's in a related field, CySa+ (or similar), 6+ years cybersecurity engineering, 2+ years CrowdStrike EDR/NG-SIEM experience, NIST 800-171/CMMC, vulnerability scanning, Linux/Windows/AD/IAM, scripting (Python, PowerShell, Bash), DoD clearance eligible.
CrowdStrike EDR, CrowdStrike NG-SIEM, SIEM, Tenable, NinjaOne, AWS, Azure, Python, PowerShell, Bash, NIST 800-171, CMMC, Active Directory, IAM, DevSecOps
1mo
Save
Mark Applied
Hide
Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
1mo
Save
Mark Applied
Hide
Cybersecurity Engineer SR.
Boulder, Colorado, United States
$130k-$155k/yr OnsiteFull Time
5+ YOEBachelor's in STEM, 5+ years cybersecurity experience including 2+ years ISSO, current Secret clearance and eligible for Top Secret, CompTIA Security+ CE, RMF experience, Agile knowledge, strong communication and programmatic skills for cloud/DevOps environments.
RMF, Cloud Computing, DevOps, Agile
6d
Save
Mark Applied
Hide
Cybersecurity Engineer (Software Assurance / ISSO Support)
Boulder, Colorado, United States
$125k/yr OnsiteFull Time
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
6d
Save
Mark Applied
Hide
Cybersecurity Engineer (Software Assurance / ISSO Support)
Boulder, Colorado, United States
$125k/yr OnsiteFull Time
1+ YOEBachelor's in CS/Cyber/Engineering,1+ year cybersecurity or IT security experience,Security+ CE (IAT II),familiarity with DevSecOps,SAST/DAST/SCA,RMF,DISA STIGs,and ability to obtain required security clearance.
SAST, DAST, SCA, DevSecOps, CI/CD, Linux, Windows, DISA STIGs, Risk Management Framework (RMF)
1d
Save
Mark Applied
Hide
Cybersecurity Software Engineer - Level 3 or 4
Boulder, Colorado, United States
$114k-$213k/yr OnsiteFull Time
5+ YOERequires DoD 8570 IAT Level II+ certification, active U.S. Secret clearance, 5+ years related experience (Level 3) or 8+ years (Level 4), cybersecurity and DevSecOps experience, familiarity with NIST/RMF and cloud security.
Tenable Security Center, Nessus, Splunk, LogRhythm, Linux, HBSS, ACAS, Python, C++
3w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Associate Principal Software Engineer
Louisville or Covington
$159k-$254k/yr OnsiteFull Time
10+ YOE10+ years embedded/medical device software experience, BS/MS in related discipline, strong software architecture, cybersecurity, systems thinking, and cross-functional influence skills.
C, C++, RTOS, embedded Linux, Bluetooth, BLE, Wi-Fi, Ethernet, APIs, CI/CD, static analysis, simulator, hardware-in-the-loop, software-in-the-loop, IEC 62304
3d
Save
Mark Applied
Hide
Telecommunications and Radio Frequency Engineer
United States or Boulder
$116k-$181k/yr RemoteFull Time
9+ YOEBachelor's in telecom/CS/cybersecurity, minimum 9 years telecom engineering experience (substitutions for other degrees), RF/4G/5G expertise, drive-test and GIS tool familiarity, FirstNet suitability eligibility, US citizenship.
InfoVista Planet, MapInfo, ESRI Arc-GIS, Tableau, Microsoft Power Automate, SharePoint, PowerApps, Accuver XCAL, Rohde and Schwarz QualiPoc, Power BI, Microsoft Teams
3d
Save
Mark Applied
Hide
Telecommunications and Radio Frequency Engineer
Boulder, Colorado, United States
$116k-$181k/yr HybridFull Time
9+ YOEBachelor's degree in telecommunications/computer science/cybersecurity or related plus minimum 9 years telecom engineering experience; hands-on RF lab and 4G/5G testbench experience; US citizenship and ability to obtain Public Trust suitability clearance.
Remote Radio Head (RRH), Baseband Units (BBUs), Cell Site Routers, RF Spectrum Analyzers, Signal Generators, Audio Quality Test Platforms
1mo
Save
Mark Applied
Hide
Operational Technology Engineer (OTE)
Frederick, Colorado, United States
$103k-$161k/yr OnsiteFull Time
4+ YOEBachelor's or master's degree (or equivalent), 4+ years in automated/GMP manufacturing, strong knowledge of SCADA/PLC/BAS/Data Historian/MES, cybersecurity for OT, and business analysis experience.
SCADA, PLC, BAS, Data Historian, MES, ESXi, Active Directory
2mo
Save
Mark Applied
Hide
Lead Technical Application Engineer - Nuclear Steam Turbine Controls Upgrades
Longmont, Colorado, United States
$108k-$180k/yr OnsiteFull Time
5+ YOELead evaluation of nuclear steam turbine controls upgrades; bachelor in engineering; 5+ years turbine controls; 2+ years nuclear; travel up to 15%.
Mark VIe, Control system, HMI, Cybersecurity
1w
Save
Mark Applied
Hide
Principal Security Engineer
Loveland, Colorado, United States
$120k-$180k/yr HybridFull Time
8+ YOE8+ years IT/cybersecurity experience with minimum 6 years cloud engineering; deep Azure expertise, Microsoft E5/Purview/Defender experience, data protection and DLP knowledge, scripting/automation (Python, PowerShell, Azure CLI); security certification preferred.
Azure, Microsoft Purview Data Lifecycle Management, Microsoft Defender, MS Fabric, Microsoft E5, Python, PowerShell, Azure CLI
6d
Save
Mark Applied
Hide
Senior Engineer II- Information Security Systems
Boulder, Colorado, United States
$70k-$205k/yr OnsiteFull Time
7+ YOEUS citizen with active Top Secret/SCI w/ CI Poly, bachelor or equivalent, 7+ years cybersecurity engineering experience with NIST RMF expertise, troubleshooting Linux/Windows, Cisco, and enterprise storage, and hands-on compliance tools.
NIST Risk Management Framework (RMF), NIST SP 800-53, ICD 503, CNSSI 1253, DISA STIGs, Linux, Windows, Cisco, Tenable, ACAS, Splunk, ELK, HBSS, ESS, SIEM
1w
Save
Mark Applied
Hide
DevSecOps Engineer (5470) (Boulder, CO) (Secret)
Boulder, Colorado, United States
$145k-$160k/yr OnsiteFull Time
5+ YOEActive DoD Secret clearance and U.S. citizenship; 5+ years experience with Bash, Python, GitLab CI/CD, Artifactory, Docker, CI/CD pipelines and Helm; cybersecurity awareness and background screening.
Bash, Python, GitLab CI/CD, Artifactory, Docker, Helm charts, Kubernetes, ArgoCD, OpenShift, ELK, Prometheus, Tempo, Grafana, NATS, RHEL
1w
Save
Mark Applied
Hide
DevSecOps Engineer (5470) (Boulder, CO) (Secret)
Boulder, Colorado, United States
$145k-$160k/yr OnsiteFull Time
5+ YOEActive DoD Secret clearance and U.S. citizenship required; 5+ years experience with Bash, Python, GitLab CI/CD, Artifactory, Docker, CI/CD pipelines, Helm; cybersecurity and troubleshooting skills.
Bash, Python, GitLab CI/CD, Artifactory, Docker, Helm, Kubernetes, ArgoCD, OpenShift, ELK, Prometheus, Tempo, Grafana, NATS, RHEL
Explore Jobs