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130 principal security engineer jobs at 65 companies in Texas

1mo
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Principal Security Engineer
Austin, Texas, United States
$175k-$200k/yr RemoteFull Time
Curative
Curative: Provides employer-sponsored health insurance with zero out-of-pocket costs.
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
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3w
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Principal Security Engineer
Redmond or Mountain View or Hillsboro or Austin or Raleigh
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
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
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2w
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Principal Security Engineer, Security Platform
Dallas, Texas, United States
$155k-$233k/yr HybridFull Time
Equinix
EquinixNASDAQ: EQIX: Provides global data center colocation and digital interconnection services.
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
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Principal Security Engineer
Englewood or Austin
HybridFull Time
Jeppesen ForeFlight
Jeppesen ForeFlight: Provides integrated software and data solutions for aviation flight planning.
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
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3d
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Principal Security Engineer - Reliability
Irving or Chandler or Charlotte
HybridFull Time
Wells Fargo
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
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
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2mo
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Principal Engineer, Security Operations
Austin, Texas, United States
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Platform for mobile application distribution and advertising monetization.
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
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2mo
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Principal Engineer
Austin, Texas, United States
HybridFull Time
Q2
Q2NYSE: QTWO: Develops digital banking and lending platforms for financial institutions.
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
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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
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
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
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Principal Systems Engineer
Plano, Texas, United States
HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
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
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2mo
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Principal Mechanical Engineer
Austin, Texas, United States
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
10+ YOE10+ years in mechanical engineering; degree; design, analysis, hardware development; 3D CAD; security clearance eligibility.
Siemens NX, SolidWorks, Creo
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2mo
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Principal Engineer - Stablecoin
Jersey City or Seattle or Plano or San Francisco or Charlotte
$157k-$230k/yr HybridFull Time
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
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
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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
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
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
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3w
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Principal AI Security Platform & Harness Engineer
Jersey City or Coppell or Tampa
$95k-$180k/yr HybridFull Time
DTCC
DTCC: Provides post-trade infrastructure for the global financial services industry
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
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2mo
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Principal Systems Engineer - Infrastructure (Onsite)
Richardson or Cedar Rapids
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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
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1w
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AI Security Principal Developer
Irving, Texas, United States
HybridFull Time
Vistra
VistraNYSE: VST: Generates and sells electricity to residential and industrial customers.
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
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2mo
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Principal Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
HybridFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
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
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1mo
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Lead Associate Principal, Security Engineering
Chicago or Dallas
$145k-$237k/yr HybridFull Time
Options Clearing Corporation
Options Clearing Corporation: Clearing and settlement for equity derivatives and options.
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
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1mo
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Principal Manufacturing Engineer
Melbourne or Dallas or Austin or Cypress
OnsiteFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
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.
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2mo
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AI Solutions Principal Engineer
Plano, Texas, United States
$111k-$185k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
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
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Principal Cyber Security Engineer - IAM/SSO (Remote)
North Carolina or Arizona or Texas
RemoteFull Time
First Citizens Bank
First Citizens BankNasdaq: FCNCA: Provides full-service consumer, commercial, and wealth management banking.
8+ YOEBachelor's+8 years or HS+12 years in systems/network/info security. Hands-on SAML/OIDC, Okta or Ping, Python and PowerShell scripting, Terraform, IAM/SSO automation and adaptive auth design.
SAML, OIDC, Okta, Ping, Python, PowerShell, Terraform, Okta Workflows, Silverfort, Windows Hello, Okta FastPass
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