41 staff security engineer jobs at 30 companies in Parker, CO
3mo
Save
Mark Applied
Hide
Senior Staff Security Engineer - Network Security
Denver or San Francisco or New York City or San Jose
$210k-$270k/yr HybridFull Time
10+ YOE10+ years in security engineering; Cloudflare WAF/DDoS/Zero Trust; Terraform/Crossplane; AWS networking; incident response; AI-native workflows; security certifications.
Cloudflare, Terraform, Crossplane, AWS, CloudFront, WAF, DDoS, Zero Trust, Panther, Wiz, CrowdStrike, Claude Code, MCP-driven tooling, LLM automations
2mo
Save
Mark Applied
Hide
Staff Security Engineer
New York City or Denver or Dallas or Miami or United States
$169k-$210k/yr RemoteFull Time
8+ YOE8+ years security engineering experience across application and cloud security, strong AWS security and IaC knowledge, experience in regulated environments (healthcare), ability to read backend code (Ruby, Node.js, Java), and experience with AI/LLM security guidance.
AWS, Terraform, CI/CD, SAML 2.0, OAuth, OIDC, Ruby, Node.js, Java, OWASP Top 10 for LLM Applications, OWASP GenAI Security Project
1d
Save
Mark Applied
Hide
Staff Cloud Security Engineer
Westminster or Longmont
$105k-$154k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Secret clearance, Security+, 5 years of DevOps, software, or infrastructure engineering experience, cloud experience, Terraform and K8S experience, and a bachelor's degree or equivalent experience.
Terraform, K8S, Jenkins, Python, Java, CI/CD
3mo
Save
Mark Applied
Hide
Staff Cloud Security Engineer
Longmont or Westminster
$102k-$150k/yr OnsiteFull Time
5+ YOE5 years in DevOps/software/infrastructure engineering; US citizen with SECRET clearance; Cloud/CI/CD experience; Terraform/Kubernetes; Python/Java preferred.
Terraform, Kubernetes, CI/CD, Python, Java
2mo
Save
Mark Applied
Hide
Principal Security Engineer
Englewood or Austin
HybridFull Time
10+ YOE10+ years in security engineering or architecture with 3+ years as a principal/staff-level IC; hands-on with cloud (AWS, Microsoft Azure), IAM, VPC, Okta/Entra ID/Azure AD, EDR/XDR, SIEM, SOAR; knowledge of NIST CSF, ISO 27001, SOC 2; strong communication and risk-to-engineering delivery.
Okta, Microsoft Entra ID, Microsoft Azure AD, AWS, Microsoft Azure, IAM, VPC, EDR, XDR, SIEM, SOAR, NIST CSF, ISO 27001, SOC 2, FAA, EASA, DoD, CMMC
1w
Save
Mark Applied
Hide
Staff Network Engineer
Broomfield, Colorado, United States
$112k-$168k/yr HybridFull Time
8+ YOEBachelor’s degree or equivalent and 8+ years of network engineering experience, including OT/ICS security architecture, NERC CIP, IEC 62443, firewalls, SIEM/IDS, scripting, vendor evaluations, and technical leadership.
PowerTrack, Palo Alto, Moxa, SIEM, Syslog, Synology NAS, DNP3, Modbus, IEC 61850, IEC 60870, OPC UA, WSUS, Inductive Automation Ignition, SQL, InfluxDB, Python, PowerShell
2mo
Save
Mark Applied
Hide
Staff Systems Engineer
Colorado Springs, Colorado, United States
HybridFull Time
8+ YOEBachelor's in engineering/CS, 8+ years designing cloud-native distributed systems, hands-on with AWS, Docker, Kubernetes, Terraform/Helm, security/compliance experience, strong communication; U.S. citizenship and ability to obtain Secret/Top-Secret clearance.
AWS, Docker, Kubernetes, Terraform, Helm, GitLab, PostgreSQL, PostGIS
2mo
Save
Mark Applied
Hide
Staff Mission COMSEC Engineer
Denver or Long Beach
$160k-$265k/yr OnsiteFull Time
10+ YOE10+ years in security architecture or encryption engineering; TS/SCI with eligibility; DoD 8140 IAT Level III; TEMPEST for space; NSA Type 1 crypto; space system experience; Bachelor degree in CS/Cybersecurity/Engineering or related field.
TEMPEST, NSA Type 1 cryptographic solutions, NIST 800-53, CNSSI 1253, ITAR
1mo
Save
Mark Applied
Hide
Staff Data Engineer
Denver or San Francisco
$190k-$264k/yr HybridFull Time
10+ YOE10+ years building scalable data platforms; expert PySpark, Python, SQL; experience with Kafka, Spark, Iceberg, data lakes, AWS; strong data modeling and security awareness.
PySpark, Python, SQL, MongoDB, Kafka, Spark, Iceberg, EKS, EMR, Serverless, Glue, Athena, S3, Databricks, Snowflake
1mo
Save
Mark Applied
Hide
Staff Radar Systems Engineer
Denver, Colorado, United States
OnsiteFull Time
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.
2mo
Save
Mark Applied
Hide
Staff Electrical Engineer
Denver, Colorado, United States
OnsiteFull Time
7+ YOEBachelor's degree plus 7+ years electronics development with technical leadership; expert Altium Designer; deep analog, digital, power electronics, embedded systems, high-speed design; signal/power integrity, EMI/EMC, reliability; ability to obtain U.S. security clearance.
Altium Designer
2mo
Save
Mark Applied
Hide
Staff Software Developer
Boulder, Colorado, United States
$128k-$229k/yr OnsiteFull Time
7+ YOERequires advanced software development experience (C++, Linux, multithreading, TCP/UDP sockets), 7+ years' experience (varies by degree), ability to obtain DoD security clearance, and strong communication and testing skills.
C++, TCP, UDP, Linux, GitLab, Git, Bash, Python, ZYNQ Ultrascale, Xilinx SDK, PetaLinux, SPI, I2C, UART, Ethernet, Unit Testing Tools
1mo
Save
Mark Applied
Hide
Staff / Sr. Electro-Optical Engineer
Longmont, Colorado, United States
$150k-$190k/yr OnsiteFull Time
8+ YOE8+ years electro-optical experience, Bachelor\u0002s in engineering/science, DoD security clearance eligibility, expertise with optics, lasers, alignment, integration, test, and technical writing.
GitLab, LabVIEW, MATLAB, C, C++, C#
1mo
Save
Mark Applied
Hide
Technical Staff Engineer-Product Marketing
Austin or Chandler or Lawrence or Lowell or Beverly or Colorado Springs or Irvine
$91k-$232k/yr OnsiteFull Time
2.5+ YOEUS citizen with Bachelors/Masters in EE/CE/CS, 2.5+ years in product/marketing/field roles with embedded processors, customer-facing experience, Arm/RISC-V preferred, familiarity with Linux/RTOS and embedded toolchains.
Arm, RISC-V, Linux, RTOS, hypervisors, software toolchains, Ethernet, TSN, platform security, cryptographic concepts, AI acceleration, vector processing
1mo
Save
Mark Applied
Hide
Infrastructure Lead - Staff DevOps Engineer
Aurora or Morrisville
$169k-$266k/yr OnsiteFull Time
12+ YOEU.S. citizen with active Top Secret clearance and willingness to pass polygraph. 12+ years software development experience (or degree-equivalent), Security+ within 60 days, experience with CI/CD, automation, cloud security and leadership.
Ansible, Jenkins, Jira, Terraform, Git, AWS
2w
Save
Mark Applied
Hide
Senior Staff Security Product Architect
Mountain View or Pittsburgh or Seattle or Broomfield or Detroit or Bozeman or San Francisco
$191k-$340k/yr HybridFull Time
15+ YOE15+ years in security architecture, system security engineering, or product security; bachelor's or master's STEM degree; expertise in embedded security, cryptography, secure protocols, threat modeling, and technical leadership.
TARA, STRIDE, Secure Boot, ARM TrustZone, HSM, TPM, SecOC, CAN, Ethernet, TLS, ISO/SAE 21434, ASPICE, ISO 27001, UNECE R155/R156
2mo
Save
Mark Applied
Hide
Staff Engineer, Ground Systems
Arvada, Colorado, United States
OnsiteFull Time
8+ YOE8+ years building or operating aerospace/satellite/mission-critical software, strong systems and software breadth, experience with satellite ground systems/mission operations, effective cross-team communication, and active U.S. security clearance.
1mo
Save
Mark Applied
Hide
Staff Electrical Engineer 1 (Acoustics Emphasis)
Littleton, Colorado, United States
$79k-$132k/yr OnsiteFull Time
2+ YOEBS in Electrical Engineering, 2+ years relevant experience, strong analog/digital circuit skills, board bring-up, familiarity with acoustics and audio systems, Python/MATLAB experience, lab equipment proficiency, US citizenship and ability to obtain security clearance.
Python, MATLAB, Linux, Raspberry Pi, Altium, Microsoft Outlook, Microsoft Excel, Microsoft Word, Oscilloscope, Logic Analyzer, Function Generator, Audio Measurement Tools
2mo
Save
Mark Applied
Hide
Senior Staff / Senior Machine Learning Engineer
Boulder, Colorado, United States
$126k-$193k/yr OnsiteFull Time
5+ YOEBachelor's in a related field (or equivalent experience), 5+ years in machine learning/AI engineering, 3+ years Linux experience, proficiency with Python and ML frameworks, ability to obtain DoD security clearance, U.S. citizenship required, must work onsite in Boulder, CO.
Linux, Python, PyTorch, TensorFlow, scikit-learn, CUDA, cuDNN, TensorRT, ROCm, C++17/20/23
1d
Save
Mark Applied
Hide
Full Stack Engineer, Staff / Interim Secret / Onsite: CO or PA
King of Prussia or Littleton
$136k-$252k/yr OnsiteFull Time
Interim Secret clearance required before start, with ability to obtain Top Secret. Requires systems architecture or engineering, full stack engineering, secure systems, infrastructure, integration, and cloud, container, or virtualization experience.
OpenShift, Hyper-V, VMware, Windows, Linux
Explore Jobs