41 appsec engineer jobs at 31 companies in Countryside, VA

2d
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Security Engineer, AWS AppSec
Herndon or Seattle
$136k-$184k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
Bachelor's degree in engineering, computer science, or related field; security engineering experience; web security knowledge; coding or scripting ability; and experience with application security, testing, or incident response.
AWS, Java, C++, Python
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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Web Application Security Engineer (AppSec / DevSecOps)
Washington, District of Columbia, United States
HybridFull Time
Essnova Solutions
Essnova Solutions: Provides professional and technical services to government entities.
Experience in application security, secure SDLC, vulnerability assessment, WAF, CI/CD/DevSecOps integration, and familiarity with federal frameworks (NIST, FedRAMP); Public Trust clearance or ability to obtain.
SAST, DAST, Software Composition Analysis (SCA), Web Application Firewall (WAF), CI/CD, DevSecOps, AWS, Microsoft Azure, OWASP Top 10, NIST, FedRAMP
1w
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Observability Engineer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years in enterprise observability, monitoring, and SRE; Dynatrace, AIOps, Python, JavaScript, Node.js, Terraform, dashboards, SLOs/SLAs, Agile, and network monitoring expertise; bachelor's degree and U.S. citizenship required.
Dynatrace, Python, JavaScript, Node.js, Terraform, ServiceNow Event Management, Flow Designer, IntegrationHub, Glide API, HTML, CSS, Grail, Smartscape, Davis AI, OpenPipeline, DQL, Workflow Automation, Platform API, AppSec, Session Replay, OpenTelemetry, Prometheus, Grafana, ELK, EFK, AWS GovCloud, Azure Government, AWS, Azure, GCP, Splunk, Splunk Enterprise Security, Cribl, SolarWinds, SNMP, SNMP traps, NetFlow, Syslog, CMDB
2w
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Security Software Engineer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
Eccalon
Eccalon: High-tech cybersecurity and AI solutions for government and industry.
3+ YOE3+ years software engineering with security focus, proficiency in one or more languages (JavaScript/TypeScript, Python, Go, C#), secure coding, SAST/DAST, familiarity with NIST/CMMC/FedRAMP and AWS/Azure security.
JavaScript, TypeScript, Python, Go, C#, AWS, Azure, Docker, ECS, Prisma, Checkov, Snyk, Aqua, SAST, DAST, OWASP, Cognito, Azure AD, Security Hub, Defender, Sentinel
2mo
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Senior Microelectronics Engineer
Alexandria, Virginia, United States
OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
10+ YOE10+ years technical leadership in semiconductor R&D; experience in integrated circuit and embedded system design, micro-electronics analysis, system security, cryptography/key management, testing and evaluation; current TS/SCI clearance and MS in related field.
Field-programmable gate array (FPGA), ASIC verification, Microcode, Software Security
4w
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Senior Security Engineer, AI/ML, National Security, Public Sector
Washington or Fort Meade or Maryland
$174k-$253k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOEBachelor's in CS/Data Science/AI or equivalent,5+ years in AI/ML or software development,5+ years with Docker,Kubernetes,Python and ML libraries,active Top Secret/SCI clearance with polygraph,ability to travel up to 25%.
Docker, Kubernetes, Python, PyTorch, TensorFlow, Hugging Face Transformers, vLLM, NVIDIA Triton, Ollama, Google Vertex AI, Google Cloud Platform (GCP), MITRE ATLAS, OWASP, STRIDE
3w
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DevSecOps Engineer (Secret Clearance)
Washington, District of Columbia, United States
$108k-$188k/yr OnsiteFull Time
Deloitte
Deloitte: Provides professional audit, consulting, advisory, and tax services.
4+ YOEBachelor's in CS/cyber/IT/engineering/math,local to DMV with ability to work onsite up to 5 days/week,4+ years DevSecOps,4+ years CI/CD (Jenkins/GitLab CI/GitHub Actions/Azure DevOps),3+ cloud/IaC,2+ appsec integration,US work authorization required.
Jenkins, GitLab CI, GitHub Actions, Azure DevOps, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Terraform, AWS CloudFormation, Ansible, Docker, Kubernetes, OpenShift, SonarQube, Snyk, Prisma Cloud, Aqua, Python, PowerShell, Bash, Go
2w
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Distinguished Engineer, AI Threat Defense
Eagan or Frisco or New York City or Richmond or San Francisco or Los Angeles or Irvine or McLean or Washington
$198k-$368k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
12+ YOE12+ years of cybersecurity engineering experience at Principal, Staff, or Distinguished Engineer level, with AI threat defense, production AI systems, mature SOC/CIRT, enterprise security architecture, and technical influence expertise.
Model Context Protocol (MCP), SIEM, SOAR, SAST, AppSec, AWS, Azure, GCP, LLM
1w
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Principal Security Engineer
Reston, Virginia, United States
$200k-$269k/yr HybridFull Time
Fannie Mae
Fannie MaeOTCQB: FNMA: Providing liquidity and stability to the U.S. housing market.
8+ YOEBachelor's degree and 8+ years in cybersecurity or related engineering. Requires multi-cloud security expertise across AWS, Google Cloud, and Microsoft Azure, infrastructure security, automation, application security, AI security, and cross-functional leadership.
AWS, Google Cloud, Microsoft Azure, Terraform, CloudFormation, Bicep, ARM templates, Python, Go, Java, JavaScript, TypeScript, C#, PowerShell, Bash, Ruby, SIEM, EDR, CSPM, CWPP, CIEM, DSPM, Kubernetes, NIST Cybersecurity Framework, NIST 800-53, CIS Benchmarks, ISO 27001, SOC 2, PCI DSS, OWASP, MITRE ATT&CK, MITRE ATLAS
3w
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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
1d
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Customer Success Engineer - America
Austin or Barcelona or Bochum or Dubai or Geneva or London or Singapore or Tokyo or Washington, D.C.
OnsiteFull Time
Sonar
Sonar: Provides automated tools for code quality and security analysis.
Hands-on DevOps, software engineering, or platform experience with CI/CD and Git; strong business, communication, analytical, and customer-facing skills. English fluency required; Spanish or Portuguese desirable.
Claude Code, Codex, Cursor, GitHub Copilot, Gemini, Devin, SonarQube, SonarSweep, Sonar Context Augmentation, CI/CD, Git, Java, Linux, SAST, AppSec
1d
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Cyber Security Engineer 4
Bethesda, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
10+ YOEBachelor's or master's degree with 10 years of experience, active TS/SCI clearance, DoD IASAE Level II certification, vulnerability management, RMF, secure architecture, and systems engineering expertise.
RMF, SDLC, SCAP, STIG Viewer, ACAS, OWASP, Fortify, SonarQube, Tenable, XACTA, eMASS, Microsoft Windows, Linux/UNIX, TCP/IP, CI/CD, Python, Java, React, GitLab, Jira, Confluence, OIDC, OAuth2, Kubernetes, Rancher, Strimzi, Cloudera, Active Directory, Bash, PowerShell
1mo
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Senior DevOps Engineer (US REMOTE)
Waltham or Culver City or Richmond or West Valley City or Lexington or Little Rock or Allen or Phoenix or Mesa or Scottsdale or Beltsville or Birmingham or Chicago or Brentwood or Plantation or Schaumburg or Atlanta
$140k-$170k/yr RemoteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
8+ YOEU.S. citizen required. 8+ years cloud infrastructure experience, 5+ years software engineering, 2+ years Kubernetes/Docker. Experience with AWS, Terraform, Helm, MySQL, CI/CD, Git, Linux/Bash, and security/compliance frameworks; ability to obtain required security clearance.
Terraform, Helm, MySQL, Kubernetes, CI/CD, GitHub, BitBucket, Azure DevOps, Git, Linux, Bash, Docker, AWS, WireShark, TCPDump, SNGrep, nslookup, SIP/RTP, Artifactory, Sonar, Gradle, Prometheus/Grafana, ELK Stack, OWASP, NIST, CIS, Prisma Cloud/Twistlock, Mend/WhiteSource, Java
1w
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Observability Engineer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOERequires 5+ years in enterprise observability, monitoring, and SRE; Dynatrace, AIOps, Python, JavaScript, Node.js, Terraform, dashboards, SLOs/SLAs, networking protocols, mentoring, and a bachelor's degree. U.S. citizenship required.
Dynatrace, Python, JavaScript, Node.js, Terraform, SNMP, SNMP traps, NetFlow, Syslog, ServiceNow Event Management, Flow Designer, IntegrationHub, HTML, CSS, Grail, Smartscape, Davis AI, OpenPipeline, DQL, Workflow Automation, Platform API, AppSec, Session Replay, OpenTelemetry, Prometheus, Grafana, ELK, EFK, AWS GovCloud, Azure Government, AWS, Azure, GCP, Splunk, Splunk Enterprise Security, Cribl, SolarWinds, Glide API, Dynatrace Assist, MCP Server, Dynatrace Apps, App Toolkit, ServiceNow, CMDB
1w
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Software Engineer - Mid to Experienced Level (Maryland)
Fort Meade, Maryland, United States
$105k-$193k/yr OnsiteFull Time
National Security Agency
National Security Agency: US agency providing foreign signals intelligence and cybersecurity.
3+ YOEComputer Science or Software Engineering degree with foundational CS coursework and relevant software development experience; requirements vary from 0 to 8 years by education and work level. Top Secret clearance required.
COBOL, C, C++, Java, Angular, React, Python, PIG Analytics, Pyspark, Docker, Kubernetes, Amazon Web Services (AWS), Linux, VMWare, ElasticSearch, Rust, Ansible, GitLab, NIST, ISO 27001, OWASP, TLS/SSL, Security Information and Event Management (SIEM), intrusion detection systems (IDS), hardware security modules (HSMs)
2d
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Sr. DevSecOps Engineer II
Reston, Virginia, United States
$170k-$190k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
7+ YOERequires 7+ years of DevSecOps experience, active TS/SCI clearance with CI polygraph, IAT Level 2 certification, AWS, CI/CD, IaC, Linux, containerization, scripting, security compliance, and troubleshooting expertise.
GitLab CI, Jenkins, Artifactory, SonarQube, Prisma Cloud, Python, Bash, Linux, RHEL, Oracle Linux, Terraform, CloudFormation, Ansible, GitLab Service Desk, ServiceNow, AWS, Amazon EC2, Amazon S3, IAM, Amazon RDS, OWASP, NIST, OpenSCAP, Docker, OpenShift
1w
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Senior Software Security Engineer- Cloud/GovCloud (Top Secret cleared)
Reston, Virginia, United States
$119k-$203k/yr RemoteFull Time
ICF
ICFNASDAQ: ICFI: Provides strategic consulting and technology services to global organizations.
5+ YOEActive Top Secret clearance and 5+ years in application security, secure software development, or cybersecurity engineering; AWS cloud experience, secure code review, vulnerability assessment, and a technical bachelor's degree preferred.
AWS, AWS GovCloud, SAST, DAST, SCA, OWASP, NIST, DoD STIGs
2mo
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Jr Salesforce Developer
Herndon or United States
RemoteFull Time
BDR Solutions
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
3+ YOEBachelor's in IT/Information Systems (or 5 years' experience), 3+ years' experience, Salesforce Admin & Developer certs required, proficient in Apex, Visualforce, LWC, SOQL/SOSL, JavaScript, MuleSoft, Copado, APIs, and Agile/SAFe; U.S. citizenship and clearance eligibility required.
Apex, Visualforce, Lightning, Lightning Web Components, SOQL, SOSL, JavaScript, SOAP, REST, MuleSoft, Copado, Salesforce, SharePoint, JAWS, Microsoft Azure, OWASP, GitHub, SSDT, MS SSRS
2mo
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Junior Software Developer
Springfield or Arlington
$40k-$80k/yr HybridFull Time
JRAD
JRAD: Provides technical research and defense support to federal agencies.
0+ YOEBachelor's in CS or related, 0-3 years software development experience, Java/Spring preferred, proficiency with OOP, data structures, REST/microservices, databases, containerization, Agile, and security standards; able to pass DHS suitability screening.
Java, C#, C++, ASP.Net, Python, JavaScript, Spring MVC, Spring Boot, SSO, Scala, Http4s, ETL, Node.js, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, RESTful APIs, microservices, Docker, Kubernetes, Git, Github, JIRA, SAFe, AWS, Microsoft Azure, Google Cloud Platform, Jenkins, GitLab CI/CD, GitHub Actions, JUnit, PyTest, Jest, OWASP, Section 508, NIST