70 senior staff security engineer jobs at 39 companies in Mitchellville, MD

3mo
Save
Mark Applied
Hide
Senior Staff Engineer
Bethesda or Palo Alto or Seattle
$115k-$260k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
10+ YOEExperienced software engineer with a passion for building high-performance, scalable platforms and strong DevOps/cloud security expertise.
Go, DotNet, SQL, NoSQL, AWS, GCP, Azure, Kubernetes, Puppet, Chef, Ansible, Pulumi, Terraform
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Staff Security Engineer
Tysons, Virginia, United States
$168k-$181k/yr HybridFull Time
Alarm.com
Alarm.comNasdaq: ALRM: Provides cloud-based smart home security and automation solutions.
10+ YOE10+ years of information security experience focused on offensive security, penetration testing, or vulnerability research; IoT, embedded systems, firmware, reverse engineering, and security testing expertise required. Degree preferred.
oscilloscopes, logic analyzer, UART, I2C, SPI, JTAG, IDA Pro, Ghidra, Binary Ninja, ARM, x86, RISC-V, Linux
6d
Save
Mark Applied
Hide
Staff Security Engineer
McLean or Taipei or Canberra or Middle East
FieldFull Time
Orbis Operations
Orbis Operations: Provides specialized intelligence, cyber, and operational support services.
7+ YOERequires 7+ years shaping platform security, deep mTLS/TLS and authorization architecture experience, Go and protobuf/gRPC fluency, threat modeling, strong communication, and technical direction experience.
OIDC, OAuth2, SAML, RBAC, ABAC, mTLS, SPIFFE/SPIRE, SCA, SAST, HashiCorp Vault, KMS, VPCs, IAM, Cedar, OPA, Go, protobuf/gRPC, TLS, JWT, x509, OWASP, ISO 27001, NIST, SOC 2
1d
Save
Mark Applied
Hide
Staff Enterprise Security Engineer, AI Security
United States or San Francisco or Oakland or San Jose or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or New Jersey or New York or Vermont or Washington or Washington
$156k-$229k/yr RemoteFull Time
Twilio
TwilioNYSE: TWLO: Cloud communications platform for programmable messaging, voice, and email.
7+ YOERequires 7+ years in security or infrastructure engineering, 2+ years of enterprise technical leadership, AWS/GCP and Kubernetes security expertise, large-scale security systems experience, and Python, Go, or Java proficiency.
Python, Go, Java, AWS, GCP, Kubernetes, AI, IAC
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
(USA) Staff, Application Security Engineer
Bentonville or Herndon
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
4+ YOEBachelor's degree plus 4 years in application security, or 6 years' application security experience. Preferred security certifications, master's degree, and cybersecurity project leadership experience.
Machine Learning, Artificial Intelligence, IDE, CLI, PR bots, SDLC, CI/CD, WCAG 2.2 AA
3mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Senior Information Systems Security Engineer (ISSE)
Annapolis Junction, Maryland, United States
$150k-$210k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
Design and implement enterprise security architecture, perform security engineering across SDLC, manage vulnerability programs, support incident response, and mentor junior staff. Active TS/SCI and DoD IAT Level III required.
NIST RMF, DoD STIGs, CIS benchmarks, Tenable Nessus, ACAS, Qualys, Splunk Enterprise, PowerShell, Bash, Python, Trellix ePO On-Prem, CyberArk, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, Ubuntu Linux, Ansible, AWS, Azure, Kubernetes
1w
Save
Mark Applied
Hide
Staff Security & Compliance Engineer, Secure Platforms - Clearance Required
Newport News or Tysons
$121k-$194k/yr OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
8+ YOEBachelor's degree or equivalent experience, 8+ years in security engineering or related fields, DoD RMF/ATO leadership, NIST controls knowledge, cloud security experience, and active Secret clearance.
AWS, NIST, Risk Management Framework (RMF), Authority to Operate (ATO), DevSecOps, infrastructure as code
2mo
Save
Mark Applied
Hide
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.
2mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Staff Systems Solutions Engineer
Fort Meade, Maryland, United States
$60k-$80k/yr OnsiteFull Time
Diné Development Corporation
Diné Development Corporation: Provides professional IT, environmental, and engineering services to government.
5+ YOEFive years of experience, a bachelor's degree in engineering, information technology, or a related discipline, active Secret clearance, IAT Level II certification, U.S. citizenship, and enterprise IT experience.
ServiceNow, Security+, Network+
1w
Save
Mark Applied
Hide
Cyber Systems Engineer Staff
Hanover, Maryland, United States
$136k-$252k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
14+ YOERequires 14 years of systems engineering experience, a bachelor's degree or five additional years of experience, and an active security clearance with polygraph.
NiFi, Department of Defense Architecture Framework (DoDAF), Service-Oriented Architecture (SOA)
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
(USA) Staff, Software Engineer, Information Security
Bentonville or Herndon
$110k-$264k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
4+ YOEBachelor's degree and 4 years of software engineering experience, or 6 years of experience. Requires Python, CI/CD, identity platforms, cybersecurity, risk analysis, and secure software development expertise.
Python, Microsoft Entra Identity, Okta Identity, FIDO2, YubiKey, Passkeys, Windows Hello for Business, Platform SSO, Conditional Access, CI/CD, WCAG 2.2 AA
6d
Save
Mark Applied
Hide
Staff Registered Engineer - Buildings HVAC/Plumbing Engineer - Federal
Overland Park or Arlington
$138k-$230k/yr OnsiteFull Time
Black & Veatch
Black & Veatch: Provides engineering, procurement, and construction services for global infrastructure.
5+ YOEBachelor's degree in engineering or equivalent experience, 5+ years related experience, active engineering registration or licensure, U.S. citizenship, and ability to obtain security clearance.
IESVE, BLCC, Revit, Autodesk, CFD
1mo
Save
Mark Applied
Hide
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