291 platform security engineer jobs at 169 companies in Frederick, MD

PromotedHiringCafe
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
3w
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Senior Platform Engineer - Security
Washington or Sarasota or Miami or New York City or Toronto or Longboat Key
$165k-$205k/yr OnsiteFull Time
Rumble
RumbleNASDAQ: RUM: Online video sharing platform and cloud services provider.
Strong Linux systems engineering and security hardening experience; vulnerability management, OpenStack/Ceph/Kubernetes familiarity; automation with Ansible/Terraform and scripting in Bash or Python; audit and compliance experience.
CIS Benchmarks, STIGs, OpenStack, Nova, Neutron, Keystone, Cinder, Ceph, Kubernetes, CIS Kubernetes Benchmarks, Ansible, Terraform, Bash, Python, SELinux, AppArmor, auditd, PAM, SIEM, EDR, Elastic, Splunk, Wazuh, Falco, Vault, LUKS/dm-crypt, CVSS, ISO 27001, SOC 2, PCI DSS, FedRAMP, Pod Security Standards
3w
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Senior Platform Engineer - Security
Washington or Sarasota or Miami or New York City or Toronto or Longboat Key
$165k-$205k/yr OnsiteFull Time
Rumble
RumbleNASDAQ: RUM: Video sharing platform and cloud infrastructure provider.
Strong Linux systems engineering and security background; experience hardening Linux, OpenStack/Ceph/Kubernetes, vulnerability management, automation with Ansible/Terraform, scripting in Bash/Python, and supporting compliance/audit activities.
OpenStack, Ceph, Kubernetes, Ansible, Terraform, Bash, Python, CIS Benchmarks, ISO 27001, SELinux, AppArmor, auditd, PAM, Elastic, Splunk, Wazuh, Falco, Vault, LUKS, dm-crypt
2mo
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Senior Cloud Platform Security Engineer
Arlington or Richmond
HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
6+ YOE6+ years of hands-on security engineering; cloud-native security; Kubernetes platform security; CI/CD, IaC; scripting; AI security; security tooling in cloud environments.
AWS, GCP, Azure, Kubernetes, CI/CD, Infrastructure as Code, Terraform, CloudFormation, Python, PowerShell, Ansible, OPA/Gatekeeper, Falco, Wiz, Datadog, Snyk
1mo
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Platform Security Engineer 1
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
1+ YOEBachelor's in IT/Cyber/CS or equivalent experience, 1+ year infrastructure/systems/networking/security experience, hands-on VMware vSphere, foundational security and IAM knowledge, familiarity with NSX/vDefend, change management and documentation skills.
vDefend, VMware NSX, VMware vSphere, SDDC Manager, Identity Broker, Azure, PowerShell, PowerCLI, Python, CIS, NIST
3w
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Platform Engineer, Lead
McLean, Virginia, United States
$99k-$225k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years in cloud engineering/DevSecOps/platform architecture; experience with Kubernetes, Rancher, Docker, GitHub CI/CD, AWS, Terraform, Ansible/Chef; Python and Helm; Security+; bachelor’s in CS or Engineering; ability to obtain Secret clearance.
Kubernetes, Rancher, Docker, GitHub CI/CD, AWS, Terraform, Ansible, Chef, Grafana, Prometheus, RGS Harvester, AWS Systems Manager, Python, Helm
3w
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Platform Engineer, Lead
McLean, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years in cloud engineering/DevSecOps/platform architecture; experience with Kubernetes, Rancher, Docker, GitHub CI/CD, AWS, Terraform; Python and Helm; Security+ certification preferred; bachelor’s in CS or Engineering; ability to obtain Secret clearance.
Kubernetes, Rancher, Docker, GitHub CI/CD, AWS, Terraform, Ansible, Chef, Grafana, Prometheus, RGS Harvester, AWS Systems Manager, Python, Helm, SD-WAN
2mo
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Platform Engineer
Remote, District of Columbia, United States
RemoteFull Time
ASM Research
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
8+ YOE8 years of platform/DevOps experience; degree or equivalent; security controls and CI/CD experience.
Automation, Scripting, CI/CD, Observability, Infrastructure as Code, Security and Compliance
1mo
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Senior Cloud Platform Security Engineer
Arlington or Richmond
HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
6+ YOEBachelor's degree required; 6+ years security engineering experience securing cloud-native environments, Kubernetes, CI/CD and IaC; scripting/IaC experience (Python, PowerShell, Ansible, CloudFormation, Terraform); experience securing AI features preferred.
AWS, GCP, Azure, AWS GuardDuty, Security Hub, SCPs, Wiz, EKS, Kubernetes, OPA/Gatekeeper, Falco, Datadog, Prisma Cloud, Orca, Upwind, Snyk, CI/CD, Python, PowerShell, Ansible, CloudFormation, Terraform, MCP, SBOM
1mo
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(7674) Platform Engineer
Columbia or San Antonio
$119k-$155k/yr HybridFull Time
IAMUS Consulting
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
3+ YOEU.S. citizen eligible for security clearance; 3–5+ years platform engineering or software development experience; experience with AWS, Kubernetes, containers, Linux, infrastructure-as-code, Python or Go, shell scripting, and CI/CD; willing to travel quarterly to San Antonio and work hybrid in Columbia, MD.
AWS, Python, Go, Linux, kickstart, Ansible, Puppet, Kubernetes, Docker, Podman, Helm, Kustomize, Flux CD, Shell/Bash, Gitlab-CI, Travis-CI, Jenkins, Jira, Confluence, GitHub, GitLab, Cloudera CDH Hadoop, MapR Hadoop, Databricks, Apache Spark, STIGs, CIS benchmarks, PCI
1mo
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AI Platform Engineer
Hanover, Maryland, United States
$91k-$211k/yr OnsiteFull Time
RSC2
RSC2: Provides technical and engineering services to federal defense agencies.
10+ YOEActive TS/SCI with Polygraph; 12 years experience with a Bachelor's or 10 years with a Master's in CS/Engineering/Information Systems (or related); experience with AI/ML platform, cloud (Microsoft Azure, AWS), containers, identity/security, and secure government environments.
Microsoft Azure, Microsoft Azure AI services, Microsoft enterprise services, Amazon Web Services (AWS), Amazon Web Services AI/ML services, Kubernetes, Docker, MLOps, DevSecOps, Infrastructure as Code
1mo
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Senior AI Platform Engineer
Columbia, Maryland, United States
$150k-$165k/yr OnsiteFull Time
Assured Information Security
Assured Information Security: Provides cybersecurity research and products for national defense missions.
10+ YOEBachelor's (+12 years) or Master’s (+10 years) in CS/Engineering/Data Science, TS/SCI w/CI Poly, experience with AI/ML platform engineering in government/defense, familiarity with Microsoft Azure and AWS, containers, APIs, identity/security, and platform observability.
Microsoft Azure, Amazon Web Services (AWS), Azure AI services, AWS AI/ML services, Microsoft enterprise services, Kubernetes, Docker, MLOps, DevSecOps, Infrastructure as Code, APIs
3w
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Platform Engineer
Columbia, Maryland, United States
HybridFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
5+ YOEAbility to develop and deploy AWS infrastructure, work with Kubernetes and Ansible, program in Python or Go, strong Linux and shell skills, U.S. citizenship and ability to obtain government security clearance, 5+ years experience (varies by degree).
AWS, Kubernetes, Ansible, Ceph, Rook, Longhorn, Python, Go, Linux, Shell, Bash, Hadoop, Cloudera, Hortonworks, MapR, GitLab CI, Travis CI, Jenkins, Jira, Confluence, GitHub, GitLab, Puppet, Maven
2d
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Technical Lead/Platform Engineer
Rockville, Maryland, United States
OnsiteFull Time
Nextonic Solutions
Nextonic Solutions: Provides scientific and technology development services to federal agencies.
Deliver full-lifecycle support for scientific platforms: install/configure hardware and software, perform acceptance and performance testing, document systems, maintain data workflows, storage, security, and provide improvement recommendations.
2mo
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Platform Engineer
Columbia or San Antonio
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
5+ YOEBachelor’s degree in computer science or related field; 5+ years platform engineering; AWS; Linux; Kubernetes; Ansible/Puppet; Security+; US citizenship with active Secret clearance; on-site 4-5 days per week.
AWS, Kubernetes, Terraform, Ansible, Puppet, Python, Go, Linux, Bash, GitLab CI/CD, Jenkins
1mo
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AI Platform Engineer – Senior
Columbia, Maryland, United States
OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
12+ YOERequires 10–12+ years experience with a relevant degree, experience with AI/ML platform engineering in government or enterprise, familiarity with Microsoft and AWS ecosystems, cloud architecture, containers, identity/security, and strong communication skills.
Microsoft Azure, Amazon Web Services (AWS), Azure AI services, AWS AI/ML services, Kubernetes, Docker, MLOps, DevSecOps, Infrastructure as Code, Microsoft enterprise services
1w
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Senior API Platform Engineer
Reston, Virginia, United States
OnsiteFull Time
Akumen
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
7+ YOEBachelor's or equivalent,7+ years in enterprise API management/platform engineering, experience with API gateways, REST/JSON/XML/OpenAPI, CI/CD, cloud and container deployments, Kubernetes/OpenShift, and federal security clearance eligibility.
Kong, IBM webMethods, Apigee, MuleSoft, Azure API Management, AWS API Gateway, IBM API Connect, WSO2, Tyk, REST, JSON, XML, OpenAPI, Kubernetes, OpenShift, Docker, Azure, AWS, CI/CD, Git, AppDynamics, ELK, Grafana, OpenTelemetry
1mo
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Cloud Platform Engineer
McLean, Virginia, United States
HybridFull Time
Credence
Credence: Provides technology and management solutions to federal government agencies.
5+ YOEMust obtain Public Trust; bachelor’s degree in a technical field; CompTIA Security+ and AWS certification (or obtain shortly); 5+ years cloud/platform/DevOps experience with AWS, Terraform, CI/CD, containers, and scripting.
AWS, Terraform, AWS CloudFormation, CI/CD, GitLab CI/CD, Jenkins, GitHub Actions, AWS CodePipeline, Docker, Amazon ECS, Amazon EKS, AWS Fargate, AWS Systems Manager, CloudWatch, Splunk, OpenSearch, Prometheus, Grafana, Helm, Kubernetes, Ansible, Git, YAML, JSON, Shell, PowerShell, Python, JavaScript, Active Directory, LDAP, RHEL, Linux, Windows Server
1w
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Platform Engineer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
Design, implement, and maintain secure cloud platform infrastructure; manage Kubernetes, Terraform, Ansible/Puppet, Helm; administer Red Hat Linux; build CI/CD and enforce AWS IAM security.
Kubernetes, Terraform, Ansible, Puppet, Red Hat Linux, Helm, AWS Identity and Access Management (IAM)
2w
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Principal Platform Engineer
Herndon, Virginia, United States
HybridFull Time
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
3+ YOEBachelor's in a technical discipline, 3+ years managing on‑premises or edge distributed environments, Linux/Windows systems and networking fundamentals, container orchestration, IaC/automation, and security clearance eligibility.
Ansible, Terraform, Bash, PowerShell, Kubernetes, Docker, Podman, OpenShift, Prometheus, Grafana, VPN, SD-WAN, Linux, Windows, RMF, NIST 800-53, DISA STIGs
2mo
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Senior Platform Engineer
Arlington, Virginia, United States
$110k-$187k/yr HybridFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Senior platform engineer with GenAI experience, cloud/enterprise systems expertise, and strong security knowledge.
Microsoft 365 Admin Center, Microsoft Entra ID, Power Platform, Power Automate, Copilot Studio, M365 Copilot Agent Builder, ChatGPT Enterprise, Claude Enterprise

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