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
3w
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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
5d
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Principal Systems Security Engineer – Anti-Tamper/Program Protection - P4 (Onsite-McKinney, TX)
McKinney, Texas, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEU.S. citizen with active transferable Secret clearance, typically Bachelor's in STEM and 8+ years experience in system security engineering, anti-tamper, embedded security, DoD programs, and CPI/threat modeling.
FPGA
3mo
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Sr. Principal Systems Engineer - Comms (Onsite)
Richardson or Cedar Rapids
$132k-$252k/yr OnsiteFull Time
10+ YOESenior-level systems engineer with RF/NC3, MBSE, SysML, and security clearance; 7-10+ years in STEM; U.S. citizenship and DoD Secret clearance (Top Secret possible).
SysML, MBSE, RF, VLF, LF, HF, V/UHF, Milsatcom, TCP/IP
2mo
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AI Solutions Principal Engineer
Plano, Texas, United States
$111k-$185k/yr HybridFull Time
8+ YOE8–12 years in solution architecture with consumer/commercial digital platform exposure; strong integration architecture; agentic AI architecture; security/privacy/compliance; production readiness; AI/ML experience; Python/Java/C++ knowledge; ability to drive adoption and enablement; experience with Langchain/CrewAi/MCP/A2A and cloud deployments; st...
Python, Java, C++, Langchain, CrewAi, MCP, A2A, AWS, Azure, Google Cloud
1mo
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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.
1mo
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Principal Project Engineer - Technical Export Focal (39763)
Greenville or Plano
OnsiteFull Time
12+ YOE12+ years engineering experience (or 16 with no degree) with export licensing experience, ability to obtain U.S. security clearance, and experience coordinating cross-functional stakeholders for DCS/FMS programs.
3mo
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Senior Principal Advanced Tactical Programs Chief Engineer (Onsite)
McKinney, Texas, United States
$132k-$252k/yr OnsiteFull Time
10+ YOESTEM degree and 10+ years experience in EO systems, program management, EVMS, and security clearance.
EVMS, EO systems
3mo
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Senior Principal Software Engineer Integrated Product Team Lead (IPTL) (Onsite)
McKinney, Texas, United States
$132k-$252k/yr OnsiteFull Time
10+ YOESenior software engineer with 10+ years, defense industry leadership, EVMS/IMS, security clearance.
EVMS, IMS, Jira, Agile
2mo
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AI Red Team Engineer
Plano, Texas, United States
OnsiteFull Time
5+ YOE5+ years in cybersecurity with security tooling/AI; strong Python/PowerShell; experience with red team/MITRE ATT&CK; API integration of LLMs; team collaboration.
Python, PowerShell, LLMs, OpenAI API, Anthropic API
1mo
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Principal Engineer - IBM Mainframe Platform
Plano, Texas, United States
OnsiteFull Time
5+ YOE5+ years hands-on IT experience with IBM mainframe infrastructure (z/OS), mainframe security, disaster recovery (GDPS, Sysplex), modernization and automation; familiarity with MQ, CICS, RACF, z/OS Connect, scripting (REXX, CLIST), z/OSMF, Zowe, and Ansible.
IBM z/OS, z/OSMF, Zowe, Ansible, REXX, CLIST, IBM z/OS Connect, MQ, CICS, GDPS, Sysplex, RACF, Hitachi disk, Tapes
3mo
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Senior Principal Systems Engineering Integrated Product Team Lead (IPTL) (Onsite)
McKinney, Texas, United States
$132k-$252k/yr OnsiteFull Time
10+ YOE10+ years in defense program management and IPT execution; onsite in McKinney, TX; security clearance required.
Jira, EVMS, IMS, IMP
1mo
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Principal Architect Enterprise Solution
Plano, Texas, United States
OnsiteFull Time
10+ YOE10+ years in enterprise architecture or platform engineering; 5+ years designing multi-tenant SaaS; deep cloud (Azure/AWS/GCP), Kubernetes, Terraform, microservices, security, and governance experience; strong communication skills.
Azure, AWS, GCP, Kubernetes, Terraform
1mo
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Principal Architect Enterprise Solution
Plano, Texas, United States
OnsiteFull Time
10+ YOE10+ years enterprise architecture or platform engineering experience, 5+ years designing SaaS/multi-tenant cloud-native systems; expertise with Azure/AWS/GCP, Kubernetes, Terraform, microservices, APIs, and cloud security/compliance.
Azure, AWS, GCP, Kubernetes, Terraform, microservices, APIs
2mo
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Senior Principal Engineer, Infrastructure Platform Architect (Onsite)
Plano, Texas, United States
$132k-$252k/yr OnsiteFull Time
10+ YOE10+ years engineering experience; Linux/Windows infra; automation tools; security clearance Top Secret; DoD environment experience.
Terraform, Ansible, Chef, Linux, Windows, Jenkins, Kubernetes, Docker, GitLab
2w
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Principal Cloud Architect (for Monet Bank)
Plano, Texas, United States
OnsiteFull Time
5+ YOE8-10 years IT experience with at least 5 years in cloud architecture; deep AWS expertise, Infrastructure-as-Code and CI/CD, cloud network/security (VPC,encryption,IAM); bachelor's degree required; experience with enterprise AI platforms and regulated industries preferred.
AWS, VPC, Infrastructure-as-Code, CI/CD, Claude, ChatGPT, OpenAI
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