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77 staff security engineer jobs at 40 companies in Frederick, MD

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2w
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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
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1w
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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
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3mo
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Sr Staff Engineer - AI Security
Seattle or Palo Alto or Dallas or Bethesda
$120k-$260k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
10+ YOE10+ years in security design and AI security for applications; cloud security, threat modeling; AWS/GCP/Azure; SCA/DAST/SAST tools; bachelor’s in CS or related; certifications desired.
AWS, GCP, Azure, SCA, DAST, SAST, Encryption, OpenID Connect, OAuth, SAML, RADIUS, LDAP, KERBEROS, OWASP, NIST, PCI-DSS, DevOps/SecDevOps
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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
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1mo
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Staff DevSecOps Engineer
Seattle or McLean
$170k-$245k/yr RemoteFull Time
Red Cell Partners
Red Cell Partners: Incubating technology companies in healthcare and national security sectors.
10+ YOE10+ years security engineering/DevSecOps with CI/CD security, cloud security (GCP preferred), Terraform, SIEM, incident response, SOC2/HIPAA/ISO mappings; strong programming/scripting (Python/Go).
Terraform, Python, Go, SAST, DAST, SCA, IAC scanning, CI/CD tooling, Cloud native services, Kubernetes, SIEM
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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
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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
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3mo
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Senior Staff Engineer, Survivability (R4606)
San Diego or Dallas or Washington or United States
$170k-$250k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
10+ YOE10+ years LO/survivability engineering; BS/MS in AE/EE/Physics; EM tool proficiency; US citizenship with security clearance; UAV/stealth experience; RAM materials knowledge.
HFSS, CST Studio Suite, Xpatch, SENTRi
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1d
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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
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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
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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
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3mo
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Staff Site Reliability Engineer
Chicago or Reston or Crum Lynne or Greenwood Village or Boca Raton or White Plains
$113k-$188k/yr HybridFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
5+ YOE5+ years in cloud/SRE/Platform engineering; expert in GCP, Kubernetes, CI/CD, monitoring; on-call; architectural leadership; IaC; scripting; security; capacity planning.
Google Cloud Platform, Kubernetes, CI/CD, Datadog, Prometheus, Grafana, PagerDuty, Linux, PostgreSQL, MySQL, Redis, Terraform, Pulumi, Python, Bash, Go, Security architecture, IaC tooling
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3mo
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Staff RF Geolocation Engineer
Washington or Hawthorne
$180k-$230k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
5+ YOE5+ years RF geolocation/signal processing experience; strong math; Python/MATLAB/C++ programming; on-site in Hawthorne, CA or Washington, DC; US citizen with ability to obtain security clearance.
Python, MATLAB, C++, GPU, DSP, FPGA
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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.
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3mo
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Staff Electrical Engineer, Intelligence Systems
Reston, Virginia, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
12+ YOEActive U.S. Secret security clearance; 12+ years hardware product development; PCB layout; schematics reading; multiple interfaces (Ethernet, CAN, I2C, SPI, PCIe, USB); MCU/CPU/FPGA familiarity; Altium or ECAD tools; strong communication.
Altium Designer, ECAD tools, Ethernet, CAN, I2C, SPI, PCIe, USB, MCU, CPU, FPGA
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3w
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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
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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
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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
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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
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1mo
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Staff DevSecOps Engineer
Chantilly, Virginia, United States
$150k-$210k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
5+ YOEU.S. citizenship and active Top Secret clearance required. 5+ years Kubernetes/Docker experience, CI/CD and GitOps, infrastructure as code (Terraform/Ansible), Helm, Kafka/Pinot/Flink, cloud (AWS), monitoring/logging (Prometheus, Grafana, Fluentbit, Kibana, Loki), GitLab Runners; obtain Security+ within 90 days.
Kafka, Kafka Streams, Pinot, Flink, Java, Scala, Kubernetes, Docker, Helm Charts, Calico, Cilium, Prometheus, Grafana, Fluentbit, Kibana, Loki, AWS, Terraform, Ansible, GitLab Runners, GitOps, Maven, Gradle, NPM, Yarn, Python, GoLang
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