4d
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Principal Security Engineer
Basking Ridge or Alpharetta or Irving or Ashburn or Temple Terrace or Cary
$121k-$231k/yr HybridFull Time
6+ YOE6+ years network security experience, expertise in routing/switching and BGP/IGP security, SIEM/Splunk, automation with Python/Ansible/Terraform, and leadership in cross-functional projects.
Splunk, Python, Ansible, Terraform, API, ISE
1mo
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Principal Security Engineer
Basking Ridge or Alpharetta or Ashburn or Irving or Cary or Temple Terrace
$121k-$231k/yr HybridFull Time
6+ YOE6+ years relevant experience, bachelor’s degree or equivalent experience, leadership experience, deep routing/switching and network security expertise, hands-on with Python/Ansible/Terraform, Splunk/SIEM, and network telemetry analysis.
Python, Ansible, Terraform, Splunk, Confluence, SIEM, API
5d
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Principal / Senior Principal Embedded Systems Security Engineer
Baltimore, Maryland, United States
$120k-$179k/yr OnsiteFull Time
5+ YOEActive U.S. citizenship and DoD Secret clearance, 5+ years systems engineering experience with DoD platforms/sensors, experience with anti-tamper/reverse engineering/RMF, ability to obtain SAP access.
1w
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Offensive Security Agent Engineer
New York City or Seattle or Washington or San Francisco or United States
$347k-$490k/yr RemoteFull Time
Staff/principal-level offensive security expertise, domain knowledge in cloud/Kubernetes/web/Linux/macOS, experience building production software and agent systems, strong judgment and communication.
Kubernetes, Linux, macOS
2mo
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Principal Engineer, Mission Software
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
Programming, Software Architecture, Distributed Systems, APIs, Operator tooling, Mission-critical applications
1w
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Principal Engineer -Cyber Security
Washington, District of Columbia, United States
$50k-$175k/yr OnsiteFull Time
20+ YOEMaster's preferred in CS/InfoSec/Systems Eng; 20+ years IT experience; 10+ years FAA NAS security experience; CISSP required; knowledge of NIST SP 800-53 and FAA Order 1370.121; US citizenship/green card and government clearance eligibility.
FAA Order 1370.121, NIST SP 800-53, Zero Trust Architecture, NESG, RMAG, National Airspace System (NAS)
2mo
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Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
3d
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Principal Security Engineer (Palo Alto Strata Cloud)
Vienna or Pensacola or Winchester
$132k-$206k/yr HybridFull Time
10+ YOE10+ years cybersecurity engineering experience; 5+ years with Palo Alto Strata Cloud Manager/Panorama; 3+ years tuning network sensors; Bachelor's in CS/IT or equivalent; experience with cloud, proxies, IDS/IPS, and network security.
Palo Alto Strata Cloud Manager, Panorama, Prisma Access, Splunk, PowerShell, Python, Azure, IDS, IPS, CASB, SASE, SD-WAN, PKI, SSL, SSH, HTTPS
1mo
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Principal System Safety Engineer
Dulles, Virginia, United States
$118k-$225k/yr OnsiteFull Time
8+ YOESTEM degree with 8+ years' relevant experience, MIL-STD-882E system safety expertise, active transferable U.S. Secret security clearance, U.S. citizenship, program management and stakeholder collaboration skills.
MIL-STD-882E, DO-178, MIL-STD-1472, EVMS, Agile, Integrated Master Schedule (IMS)
2mo
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Principal Software Engineer
Washington, District of Columbia, United States
$152k-$229k/yr RemoteFull Time
5+ YOE5+ years in data/backend/platform engineering; strong Python; cloud infra; Kafka/RabbitMQ; SQL/NoSQL; CI/CD; IaC; data pipelines; security data domain interest.
Python, Go, Rust, Cloud infrastructure, Kafka, RabbitMQ, PostgreSQL, MongoDB, Elasticsearch, Delta Lake, AWS Neptune, Neo4j, Flask, Django, FastAPI, CI/CD, GitHub Actions, Terraform, Infrastructure as Code
3w
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Senior Principal Cyber Security Engineer
Chantilly, Virginia, United States
$179k-$318k/yr OnsiteFull Time
10+ YOE10+ years cybersecurity experience, bachelor’s degree or equivalent, DoD 8570 IAT II (or able to obtain), Splunk/SIEM and Linux experience, knowledge of DoD security policy and C&A processes, active TS/SCI with poly required.
Splunk, Splunk Deployment Server, Red Hat, CentOS, AWS
1w
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Principal Information Security Engineer
Fort Meade, Maryland, United States
$117k-$292k/yr OnsiteFull Time
5+ YOEActive U.S. Top Secret clearance with SCI/SAP eligibility, 5+ years relevant experience, RMF/ATO expertise, experience with cloud, CI/CD, IaC and DevSecOps, and vulnerability assessment tools.
Kubernetes, CI/CD, IaC, Azure, AWS, ACAS, Nessus, SonarQube, eMASS, Xacta, SNOW, LATTE ART
2mo
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Principal Cybersecurity Engineer - US Federal
Reston, Virginia, United States
$185k-$277k/yr RemoteFull Time
AWS security engineering, Kubernetes/Docker, Python, Terraform/IaC, CI/CD, security tooling, and AI-augmented workflows.
AWS, Kubernetes, Docker, Terraform, CloudFormation, CDK, Python, GitHub Actions, GitLab CI, Jenkins, SOAR, SIEM
1w
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Principal Systems Engineer
Annapolis Junction, Maryland, United States
$190k-$225k/yr OnsiteFull Time
U.S. citizenship required; active security clearance with polygraph; DOD 8570 certification; background investigation and random drug testing; experience in systems/network engineering and security.
2w
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Principal Test Engineer
Germantown, Maryland, United States
$120k-$162k/yr OnsiteFull Time
8+ YOEBachelor's in engineering plus minimum 8 years' experience, mastery of multiple engineering disciplines, ability to obtain/hold DOD security clearance, strong technical leadership and test development skills.
1mo
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Principal/Senior Principal Mechanical Engineer
Hawthorne or El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design and system integration experience in aerospace/defense, launcher design experience, CAD and FEA proficiency, electro-mechanical integration, MIL-STD familiarity, ability to obtain U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
2w
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Poly required. Senior software engineer with multi-year experience designing, building, testing, and operating distributed application services; experience with databases, programming/scripting, secure development, code review, and mentorship.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, RESTful APIs, microservices, CI/CD, containers, Kubernetes, Linux, observability
1w
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Senior Principal Cyber Security Engineer
Chantilly, Virginia, United States
OnsiteContract
10+ YOEActive TS/SCI with CI polygraph, bachelor\u0002s degree or 10+ years cybersecurity experience, 10+ years cybersecurity experience, DoD 8570 IAT Level II and Splunk certification (or ability to obtain), SIEM and Linux skills.
Splunk, Security Information and Event Management (SIEM), Red Hat, CentOS, AWS
1mo
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Principal Information Security Engineer (supporting Naval Research Lab)
Welcome, Maryland, United States
$120k-$190k/yr OnsiteFull Time
8+ YOEBachelor's in a relevant technical field and 8 years' related experience; ability to obtain TS/SCI; expert security engineering skills; experience with RHEL, Windows, VMware, AD, vulnerability scanning, RMF/DoD STIG, incident response; CISSP/CISM or DoD 8140/8570.1 desired.
Red Hat Enterprise Linux, Windows 11, Windows Server 2012, Active Directory Group Policy, VMware vSphere, ESS, ACAS, Nessus, FireEye, Suricata, Palo Alto, LogRhythm, ArcSight, NetWitness, Splunk Enterprise Security, AlienVault
2mo
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383 - Principal Software Engineer
Annapolis Junction, Maryland, United States
$216k-$241k/yr OnsiteFull Time
11+ YOEBachelor's degree with 11+ years of relevant experience; strong software development and scripting skills; experience in security/Android/automation preferred.
Java, Python, JavaScript, Shell, Android, Selenium
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