64 staff security engineer jobs at 39 companies in Lanham, MD

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Staff Security Engineer, Application Security
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Washington or Wisconsin
$210k-$260k/yr HybridFull Time
NinjaTrader
NinjaTrader: Provides futures brokerage services and a trading software platform.
7+ YOE7+ years in application/product/security engineering; hands-on threat modeling, vulnerability management, secure design, CI/CD integration, automation using Python/Go; experience with cloud-native AWS/GCP environments.
AWS, GCP, Python, Go, SAST, SCA, DAST, CI/CD, AI/LLMs
2w
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Staff Cloud Security Engineer
Lexington or North Bethesda or Waltham
$180k-$200k/yr HybridFull Time
Xometry
XometryNASDAQ: XMTR: Operates an AI-powered marketplace for custom manufacturing and prototyping.
8+ YOE8+ years cloud/security engineering experience, hands-on AWS and Kubernetes security, CrowdStrike/CSPM experience, Terraform/OpenTofu IaC security, Python/shell automation, US citizenship or permanent residency required.
CrowdStrike Falcon, Wiz, Prisma Cloud, Orca, AWS, GCP, Azure, Terraform, OpenTofu, CloudFormation, Python, Shell, Kubernetes, Istio, Linkerd, CloudTrail, IAM, VPC, SQL
1mo
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Staff Security Engineer, Customer Support and Integrity
United States or Washington
$194k-$285k/yr RemoteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
8+ YOE8+ years security engineering experience; proven experience securing support/sales and third‑party support organizations; strong architecture and code-review skills; scripting (Python, Java), Terraform, IAM, GCP and AWS experience.
Python, Java, Golang, Terraform, Okta, GoogleWorkspace, Google Chrome Enterprise Premium, GCP, AWS
1w
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Staff AI Security Engineer
Bellevue or Chicago or New York City or San Francisco or Washington
$161k-$248k/yr HybridFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
8+ YOE8+ years in security engineering or backend development, expertise in AI threat landscape, strong coding in Python or Go, cloud (AWS/GCP) experience, and leadership/mentorship ability.
Python, Go, LangChain, Strands, Claude Agent SDK, AWS, GCP, OWASP, MITRE ATLAS, NIST AI RMF
1mo
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Staff Application Security Engineer
Washington, District of Columbia, United States
$150k-$173k/yr OnsiteFull Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
4+ YOE4+ years in application/product/software security; experience with secure SDLC tooling (GitHub Advanced Security, CodeQL, Dependabot, SAST/SCA/DAST), familiarity with AWS security, ability to read code (Python, TypeScript, Go, Java, C#, C++), strong communication and offensive-security mindset.
GitHub, GitHub Advanced Security, CodeQL, Dependabot, SAST, SCA, DAST, Palantir Foundry, AWS, IAM, CI/CD, Python, TypeScript, Go, Java, C#, C++, OWASP ASVS, OWASP Top 10, OWASP API Security Top 10, NIST CSF, NIST 800-53, SOC 2, IEC 62443, NERC CIP
2mo
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Staff, Application Security Engineer - Product Security
Bentonville or Herndon
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
4+ YOE4+ years application security experience with Bachelor's or 6+ years without; expertise in secure architecture, threat modeling, SAST/SCA, OWASP, automation of security validation, and strong communication skills.
SAST, SCA, OWASP
1mo
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Sr. Staff Security Engineer – AI, VMR, Offensive Security
Bethesda or Palo Alto or Dallas or Seattle
$120k-$260k/yr OnsiteFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
10+ YOE10+ years in security engineering with deep vulnerability management and offensive security experience; hands-on cloud (AWS/Azure/GCP), programming (Python, Go, Java), NIST CSF, compliance (PCI, SOX, NYDFS), and strong leadership and communication skills.
AWS, Azure, GCP, Python, Go, Java, NIST CSF, SIEM, SOAR, CI/CD, CMDB, AI
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
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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
1mo
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Cyber System Security Engineer Staff
Hanover, Maryland, United States
$124k-$246k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
4+ YOETS/SCI with poly required; bachelor's in EE/CS or related (or equivalent experience); minimum 4 years relevant experience (2 with Master's); system administration, integration, testing, Linux/Windows, Tier 3 troubleshooting, documentation, and field support experience.
Linux, Windows
2mo
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Sr. Staff Site Reliability Engineer-Federal, Security Clearance
Crystal City, Virginia, United States
$140k-$200k/yr OnsiteFull Time
Zscaler
ZscalerNASDAQ: ZS: Provides cloud-native cybersecurity solutions through zero trust architecture.
7+ YOEActive Secret clearance; 7+ years SRE experience in operations and engineering; Linux, network troubleshooting, automation (Ansible, Terraform); Python; AWS ECS/Kubernetes; vulnerability monitoring; virtualization and networking.
Python, Ansible, Terraform, Kubernetes, AWS, Linux, Docker
2mo
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Staff Engineer Mission Assurance
Linthicum, Maryland, United States
$169k-$254k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEBachelor's degree with 12 years of experience in Mission Assurance or related fields; security clearance required; US citizenship; 10+ years for Master’s with similar focus; experience with QMS, metrics, and risk management.
1d
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Staff Engineer
Colorado Springs or McLean or United States
$180k-$190k/yr RemoteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
8+ YOE8+ years in platform/DevOps roles, 7+ years with production Kubernetes, expertise in Terraform/Ansible/GitLab CI/CD, observability and security controls, ability to obtain Secret clearance and Security+ within 90 days.
Kubernetes, Helm, Terraform, Ansible, GitLab CI/CD, GitLab Runners, Argo CD, Flux, Calico, Cilium, Istio, Prometheus, Grafana, Fluent Bit, Loki, Kibana, OpenTelemetry, Python, Go, AWS, GitLab
1mo
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Cyber Security Engineer III
Washington, District of Columbia, United States
$106k-$115k/yr HybridFull Time
American University
American University: Private research university providing undergraduate and graduate education programs.
5+ YOEAdminister and monitor security systems, perform incident response and forensics, develop secure architectures, mentor junior staff. Requires bachelor's degree, 5+ years relevant experience, professional security certs desirable, and scripting (Python, PowerShell).
Python, PowerShell, Unix/Linux, Windows, macOS, TCP/IP, LDAP, 802.1x, SNMP, VPN, virtualization, firewalls, intrusion detection/prevention systems, SSL, TLS, IPsec, CMMI, ITIL
1mo
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Staff Electrical Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$150k-$210k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
8+ YOEBachelor's in Electrical Engineering with 8+ years experience in power and analog board design for high-reliability aerospace/defense systems; EMI/EMC, verification, production support, and ability to obtain U.S. security clearance.
1mo
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Staff AppSec Engineer
Washington or United States
$210k-$230k/yr RemoteFull Time
Upside
Upside: Personalized cashback rewards platform for everyday brick-and-mortar purchases.
6+ YOE6+ years in application/product security, hands-on Python code review, vulnerability management, deep AWS security experience (Lambda, Control Tower), experience integrating AI tools, strong communication; Bachelor's preferred.
GitHub Advanced Security, GitHub Actions, GitHub Copilot, Python, Terraform, AWS, AWS Lambda, DynamoDB, S3, SNS, SQS, IAM, VPCs, AWS Control Tower, ChatGPT, Snowflake, SQL
1mo
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Staff DevOps Engineer (Linux)
Palo Alto or Atlanta or Washington
$195k-$220k/yr HybridFull Time
Quantifind
Quantifind: AI-driven platform for financial risk and fraud detection.
8+ YOE8+ years experience; strong Python or Go; Linux/Ubuntu administration; Docker, Kubernetes, Ansible; security, fleet management, monitoring/observability, release engineering, and Airflow experience.
Python, Go, Linux, Ubuntu, Docker, Kubernetes, Ansible, git, Hadoop, Nagios, PostgreSQL, Jenkins, Maven, Apache Airflow, Ganeti, Scala, NodeJS, React, AWS
1mo
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Staff Software Engineer, Fullstack (ACF)
United States or Washington
$170k-$203k/yr RemoteFull Time
Skylight
Skylight: A digital consultancy helping government agencies improve public services.
Experienced full-stack engineer with expertise optimizing LLM interactions with knowledge bases, building frontend and backend systems, ensuring security and compliance, and working on cross-functional teams. Must be authorized to work in the U.S. and able to obtain Public Trust clearance.
Python, LangChain, FastAPI, Postgres, pgvector, Next.js, Amazon Titan, Claude, Docker, Terraform, CI/CD
1w
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Staff Space Mission Systems Engineer
Arlington, Virginia, United States
$200k-$230k/yr OnsiteFull Time
Umbra
Umbra: Operates high-resolution synthetic aperture radar imaging satellites.
15+ YOEBachelor's in engineering or related field, 15+ years systems architecture experience for satellite/aerospace systems, leadership in mission design and integration, ability to obtain U.S. security clearance.
STK, MATLAB, Python
2mo
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Structures Design Engineer- Staff/Senior
Manassas or Cambridge
$92k-$199k/yr OnsiteFull Time
Aurora Flight Sciences
Aurora Flight Sciences: Designs and builds autonomous aircraft and advanced aerospace systems.
5+ YOEBachelor's in engineering, ability to obtain US security clearance (US citizenship required), 5+ years aerospace experience, CAD/CATIA proficiency, knowledge of composite design and manufacturing, Microsoft Office skills.
CATIA V5, CATIA V5 FTA, SmarTeam, Enovia LCA, PDM, Unigraphics, Siemens NX, Microsoft Office 365, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
2mo
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Staff Missile Test Engineer
Indian Head, Maryland, United States
$120k-$130k/yr OnsiteFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
5+ YOEBachelor's in CS, CE, or AE; 5-7 years' related experience; US citizen; ability to obtain security clearance; willing to obtain explosives medical certification; onsite at NSWC-IH; no remote work.
Windows, Linux, RTX, Visual Studio, FORTRAN, C/C++, Ada, Python