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Principal Security Engineer, Security Platform
Dallas, Texas, United States
$155k-$233k/yr HybridFull Time
8+ YOE8+ years in security or platform engineering with strong security fundamentals (IAM, app sec, data protection), API and service architecture, containers/orchestration, cloud delivery, CI/CD, and programming experience.
Docker, Kubernetes, API gateways, service meshes, Python, Java, C++, GitHub Actions, AWS, Azure, GCP
3d
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Principal Security Engineer - Reliability
Irving or Chandler or Charlotte
HybridFull Time
7+ YOE7+ years network security experience, 5+ years with enterprise security platforms, SRE/reliability practices, automation (Python/Ansible/Terraform), and incident leadership; bachelor\u0002s in related field or equivalent experience.
Python, Ansible, Terraform, APIs
1mo
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Principal Security Engineer
Johnston or Dallas or Irving or Plano or Franklin or Iselin or Boston or Providence
$140k-$180k/yr OnsiteFull Time
10+ YOE10+ years security experience across domains, BA/BS in IT security or computer science, knowledge of IAM, DLP, vulnerability management, pen testing, cloud security, scripting (Python, PowerShell), Active Directory, strong written/verbal communication and risk-based decision-making.
Python, PowerShell, Active Directory, Linux, Windows, OWASP, DLP, Anti-Virus, Firewall, Generative AI
1mo
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Principal Systems Engineer
Plano, Texas, United States
HybridFull Time
14+ YOEMastery in requirements engineering, systems integration, V&V, MBSE; 14+ years systems engineering experience; bachelor’s in engineering (master’s preferred); active U.S. security clearance with Top Secret/SCI eligibility.
DOORS, Cameo, MATLAB, Open Mission System, Universal Command and Control Interface
2mo
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Principal Engineer - Stablecoin
Jersey City or Seattle or Plano or San Francisco or Charlotte
$157k-$230k/yr HybridFull Time
Experience designing and building secure, scalable financial blockchain apps and smart contracts; multi-cloud, multi-region; cloud providers (AWS, GCP, Azure); web3 protocols; Solidity/Rust; cryptography; DeFi; code reviews and security analysis; integration with external systems.
Solidity, Rust, Web3, Truffle, Hardhat, Remix, Web3.js, Ethers.js, Terraform, AWS, GCP, Azure
3w
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Principal AI Security Platform & Harness Engineer
Jersey City or Coppell or Tampa
$95k-$180k/yr HybridFull Time
8+ YOE8+ years related experience; bachelor's preferred; strong Python and distributed systems background; experience with LLM integrations, Docker, Kubernetes/OpenShift, AWS, CI/CD tooling, and application security concepts.
Python, Java, Claude, OpenAI, Bedrock, Docker, Kubernetes, OpenShift, AWS, Git, Bitbucket, Jenkins, Jira
2mo
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Principal Systems Engineer - Infrastructure (Onsite)
Richardson or Cedar Rapids
$108k-$205k/yr OnsiteFull Time
8+ YOEDesign network architectures, MBSE with SysML, lead system integration, security clearance with DoD Top Secret, onsite in Richardson or Cedar Rapids.
VMware, AWS, GCP, Azure, Oracle, SysML, MBSE, JIRA
1w
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AI Security Principal Developer
Irving, Texas, United States
HybridFull Time
8+ YOE8+ years in data management/integration/APIs or related practice; AI fluency; experience designing and scaling AI solutions; strong problem-solving and systems thinking; collaboration skills; SAS, Hadoop, and cloud experience desirable.
SAS, Hadoop
1mo
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Lead Associate Principal, Security Engineering
Chicago or Dallas
$145k-$237k/yr HybridFull Time
7+ YOE7+ years security engineering, 5+ years DevOps and AWS experience, advanced identity/authentication expertise, CI/CD and IaC (Terraform, Ansible, Jenkins), privileged access management, scripting (Python, Groovy, Bash, GoLang).
CyberArk, HashiCorp Vault, Active Directory Certificate Services (ADCS), HSMs, Public Key Infrastructure (PKI), Jenkins, GitHub Actions, GitLab CI, Terraform, Ansible, Python, Groovy, Bash, GoLang, AWS, k8s, OAuth2/OIDC, IAM, AD, Kerberos, CI/CD, IaC, OpenAI Codex, Claude Code, Gemini CLI
1mo
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Principal Manufacturing Engineer
Melbourne or Dallas or Austin or Cypress
OnsiteFull Time
8+ YOEBachelor’s degree in engineering with 8+ years of progressively complex engineering experience (or equivalent), U.S. citizenship, active or obtainable DOD security clearance, specialties in production/industrial/welding/tooling/testing/robotics possible.
2mo
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AI Solutions Principal Engineer
Plano, Texas, United States
$111k-$185k/yr OnsiteFull Time
8+ YOEBachelor’s or Master’s in CS/Engineering/IS/Data AI; 8–12 years in solution architecture; strong API, AI, security, and production readiness experience.
Python, Java, C++, Langchain, CrewAi, MCP, A2A, AWS, Azure, Google Cloud
2mo
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Principal AI Architect/Engineer
Plano, Texas, United States
$111k-$185k/yr OnsiteFull Time
6+ YOELead observability and AI platform work; strong Python, OTEL, distributed systems, and security governance skills; 6–8 years in software/platform engineering with 2–3 years in observability.
OpenTelemetry (OTEL), Python, Docker, Kubernetes, Grafana, Datadog, Splunk, Prometheus, Poetry, Ruff, pytest, REST, gRPC, Kafka
1mo
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Principal Mechanical Engineer
Richardson, Texas, United States
OnsiteFull Time
12+ YOEUS citizen able to obtain a U.S. government security clearance; BS (minimum) in Mechanical Engineering; 12+ years mechanical design experience for ruggedized electronics; FEA thermal/structural analysis, BOM and 2D/3D modeling, GD&T, Microsoft Office proficiency.
SolidWorks, Flotherm CFD, Ansys Structures FEA, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
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Principal Engineer I, Cyber - IT Security Governance
Phoenix or Dallas or Columbus
OnsiteFull Time
8+ YOE8+ years in Cybersecurity/IT risk; Bachelor in IS/CS/Cybersecurity; knowledge of NIST/FFIEC/ISO; RCSAs; policy lifecycle; regulatory/audit support; strong communication; AI/automation experience; certifications preferred.
Python, PowerShell, Automation, AI/ML, Scripting
2w
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Principal DevSecOps & Release Engineer
Dallas, Texas, United States
OnsiteFull Time
10+ YOE10+ years DevOps/DevSecOps/release engineering experience; bachelor's or master's in CS/IT/cybersecurity; CI/CD, IaC, container, cloud, scripting, and security practice expertise.
Prometheus, Grafana, OpenTelemetry, Jenkins, GitLab CI, CircleCI, Ansible, Chef, Puppet, Kubernetes, OpenShift, Docker, Terraform, AWS CloudFormation, AWS, Azure, Google Cloud, Python, Bash, PowerShell
2mo
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AI Solutions Sr Principal Engineer
Plano, Texas, United States
$124k-$207k/yr OnsiteFull Time
12+ YOELead AI/agentic platform architecture; 12+ years enterprise architecture; Salesforce Agentforce and ServiceNow AssistNow expertise; strong SaaS governance, security, and integration.
Salesforce Agentforce, ServiceNow AssistNow, Python, Java, C++, API gateway, SSO/OAuth, AWS, Azure, GCP, LangChain, CrewAI
4d
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Principal Engineer - Operational Technology Network Security
Conshohocken or Carrollton
OnsiteFull Time
8+ YOEBachelor's degree or equivalent,8+ years OT security experience,expertise in OT network segmentation,incident response,vulnerability management,industrial protocols,and leadership;preferred industry certifications.
Microsoft Office Suite, SIEM, EDR, SOAR, Armis, Nozomi Networks, Claroty, Dragos, Microsoft Defender for IoT, Palo Alto Networks, Fortinet, Cisco, Check Point, Python, PowerShell, SQL, KQL, JavaScript, HTML/CSS, Email Security Gateway, Firewall, VPN, IDS/IPS, AV
2mo
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Principal Systems Engineer, Platform Systems Engineering (38344)
Greenville, Texas, United States
OnsiteFull Time
9+ YOELead systems engineering for platform integration, requirements management, verification/validation, risk mitigation, and technical leadership; active DoD Secret clearance and Security+ required.
3w
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Technical Principal - Global Network Engineer
Arlington, Texas, United States
HybridFull Time
GM Financial: Provides automotive financing and leasing services for dealers and consumers.
10+ YOEExpert-level network engineering in SDN, core routing, automation and security; CCIE preferred; HS diploma required, bachelor\u0002s preferred; 10+ years network engineering experience preferred.
Ansible, Terraform, RestAPI, YAML, Wireshark, 1KE, LiveNX, NNMi, Service Now, Cisco ISE, WLC, Prime Infrastructure, Equinix, Azure
4d
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Principal Software Engineer - Digital Self Service
Columbus or Plano or New York
$162k-$285k/yr OnsiteFull Time
7+ YOE7+ years software engineering experience with system design, cloud-native development, agentic AI-enabled workflows, and product leadership; strong security, resiliency, and responsible AI understanding.
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