1mo
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Principal Security Engineer
Austin, Texas, United States
$175k-$200k/yr RemoteFull Time
8+ YOE8+ years security engineering with technical leadership; hands-on SIEM, AWS/IAM, application security, Kubernetes security, EDR/DLP, vulnerability management; experience with AI/LLM security and mentoring engineers.
DataDog, ELK, SOAR, AWS, M365, Google Workspace, Azure, Kubernetes, EKS, Terraform, Terragrunt, Atlantis, Cloudflare, Buildkite, Wiz, Semgrep, EscapeTech, GitHub Advanced Security, HashiCorp Vault, N8N, Snowflake, Linear, EDR, DLP, SIEM
3w
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Principal Security Engineer
Redmond or Mountain View or Hillsboro or Austin or Raleigh
$143k-$275k/yr HybridFull Time
6+ YOEBachelor's degree and 6+ years engineering experience with firmware/secure hardware design, strong coding in C/C++/Rust and familiarity with cryptography, secure boot, attestation, and debugging.
C, C++, C#, Java, JavaScript, Python, Rust, Real-Time Operating Systems (RTOS), PCIe, NVME, I3C, I2C, SPI
1mo
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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
2mo
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Principal Engineer, Security Operations
Austin, Texas, United States
HybridFull Time
12+ YOE12+ years cybersecurity with deep expertise in security operations, threat detection, or incident response; hands-on SOC for GCP/AWS; SOC tooling like CrowdStrike, Orca; MIGRATION to MSSP and compliance knowledge; strong analytical and communication skills; CISSP/GCIH/GCFA/CISM/CCFR; Google Cloud certifications preferred.
CrowdStrike, Orca, SIEM, SOAR, log management
2mo
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Principal Engineer
Austin, Texas, United States
HybridFull Time
15+ YOEBachelor’s degree in Computer Science; 15+ years of relevant experience; expert in C# and SQL; enterprise architecture and systems integration; Agile; English fluency; eligible to work in the U.S.
C#, SQL, APIs, Cloud, Security
2mo
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Principal Mechanical Engineer
Austin, Texas, United States
OnsiteFull Time
10+ YOE10+ years in mechanical engineering; degree; design, analysis, hardware development; 3D CAD; security clearance eligibility.
Siemens NX, SolidWorks, Creo
4w
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Lead Principal Firmware Engineer
Nashville or United States or San Francisco or Austin or Seattle
$146k-$306k/yr OnsiteFull Time
10+ YOE10+ years firmware engineering experience; hands-on BIOS/BMC/UEFI firmware; knowledge of secure boot/TPM, server firmware stacks and standards; strong communication and cross-team leadership skills.
EDKII, OpenBMC, Redfish, IPMI, PLDM, UEFI, ACPI, PCIe
2mo
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Principal Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
HybridFull Time
7+ YOE7+ years building and scaling production AI platforms; 9+ years in lieu of degree; design and operate large-scale AI/ML platforms; Docker/Kubernetes; security-minded.
Docker, Kubernetes, Multi-Cloud, Frontier Model Providers, Python, CI/CD, Security tooling
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.
1mo
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Principal Communication Engineer II
Austin, Texas, United States
OnsiteFull Time
11+ YOEBachelor's in Electrical Engineering, 11+ years space communications experience, strong communications theory and RF expertise, FPGA and vector processing experience, familiarity with NR NTN, DVB-S2x, CCSDS, Python and C++, optical communications, classified/red-black experience, ability to hold security clearance.
FPGA, Python, C++, NR NTN, DVB-S2x, CCSDS
1w
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Principal Software Engineer - U.S.
Austin, Texas, United States
OnsiteFull Time
15+ YOE15+ years experience building data-intensive distributed systems; expertise with big data technologies, DDD, reliability, CI/CD, cloud providers, APIs, and security-minded design.
ElasticSearch, NoSQL Stores, Kafka, Columnar Databases, DataFlow, Pipeline Systems, Graph DataStores, Enterprise Message Bus, Terraform, Jenkins, CodePipeline, Docker, CI/CD, AWS, Azure, GCP
2mo
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Principal Firmware Engineer (Austin, TX, US, 78753)
Austin, Texas, United States
$174k-$208k/yr OnsiteFull Time
10+ YOE10 years’ industry experience; Bachelors or higher in a relevant field; extensive C/C++; multiple languages; secure-element/credential know-how; ISO standards familiarity; low-level ML; IP exposure.
C, C++, Python, C#, Typescript, Java, Kotlin, Swift, Go, CUDA, Secure-Element, Secure-Credential, ISO-14443, ISO-7816, cryptography, embedded systems, Linux
6d
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Principal Mechanical Engineer - Sign On Bonus Available
Austin, Texas, United States
$116k-$197k/yr HybridFull Time
6+ YOEBachelor's in Mechanical Engineering, 6+ years (or 4+ with MS) designing and testing high-reliability embedded systems; hands-on lab experience; eligible for DOD security clearance; strong analytical and communication skills.
ANSYS Workbench/Mechanical, PTC Creo, MATLAB/Simulink, Siemens NX, ANSYS Icepak
1mo
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Principal AI Software Engineer
Austin, Texas, United States
OnsiteFull Time
6+ YOE6+ years production Python experience, 3+ years deploying and operating LLM-based solutions, experience with AI coding assistants and GenAI infrastructure, strong architecture, security, and platform expertise.
Python, GitHub Copilot, Cursor, Claude Code, MCP, A2A, LLM, CI/CD, GenAI
1mo
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Senior Principal Hardware Lead
Austin, Texas, United States
$133k-$226k/yr HybridFull Time
15+ YOEBachelor's degree or equivalent, 15+ years related experience, proven leadership of large multi-discipline hardware teams, ability to obtain required U.S. security clearance, experience with RF/EW preferred.
2mo
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Principal Product Manager - Threat Detection Engine and Content (Hybrid)
Arlington or New York or Austin or Sunnyvale or Redmond
$160k-$250k/yr HybridFull Time
5+ YOE5+ years in product management for detection content, SIEM, XDR, cloud security; large-scale distributed systems; strong communication; willing to travel up to 20%; onsite 1-3 days/week; BA/BS, Master’s desirable.
Distributed Systems, Threat Detection, Security Analytics, Cloud Security, XDR, SIEM
6d
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Développeur(se) principal(e), Opérations de sécurité et intervention en cas d’incident / Senior Security Operations and Incident Response Engineer
Austin or Montreal
$160k-$272k/yr RemoteFull Time
Hands-on SecOps/Incident Response experience, detection engineering, threat hunting, cloud (AWS/GCP/Azure) knowledge, scripting/APIs for automation, mentoring experience, and strong investigative and communication skills.
AWS, GCP, Azure, APIs
4w
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Principal Data Privacy Architect
Spring or Austin or Houston
$154k-$228k/yr OnsiteFull Time
10+ YOE10+ years in data privacy, protection, or data architecture; bachelor’s degree in CS/Engineering/related; hands-on privacy-by-design, consent, DLP, data sovereignty, and compliance engineering experience; Python/Java/SQL skills.
BigID, OneTrust, Securiti, Collibra, Informatica, Microsoft Purview, AWS Macie, Google Cloud DLP, Azure Information Protection, DLP, DSPM, CASB, IAM, KMS, AWS, Azure, GCP, Python, Java, SQL, APIs, Spark, vector databases, feature stores
1mo
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Principal Solutions Architect (U.S. Government)
Reston or Austin or United States
HybridFull Time
8+ YOEActive US security clearance required; 8+ years in solutions architecture or pre-sales in U.S. Government environments; experience with demos, POCs, reusable assets, and cloud platforms (AWS, Azure, OCI); BS/MS in CS/Engineering or equivalent.
SeekrFlow, AWS, Azure, OCI
3d
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Principal Product Manager – Defensive Engineering Programs & Controls
Boston or Princeton or Clifton or Austin
$120k-$203k/yr HybridFull Time
10+ YOE10+ years in cybersecurity, product/program/risk management; experience with security controls, governance frameworks, regulatory and audit programs; strong program management and executive communication skills.
NIST, CIS Controls, ISO 27001
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