78 principal security engineer jobs at 44 companies in Towson, MD
2w
Save
Mark Applied
Hide
Principal / Senior Principal Embedded Systems Security Engineer
Baltimore, Maryland, United States
$120k-$179k/yr OnsiteFull Time
5+ YOEActive U.S. citizenship and DoD Secret clearance, 5+ years systems engineering experience with DoD platforms/sensors, experience with anti-tamper/reverse engineering/RMF, ability to obtain SAP access.
3w
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
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
3w
Save
Mark Applied
Hide
Principal Engineer -Cyber Security
Washington, District of Columbia, United States
$50k-$175k/yr OnsiteFull Time
20+ YOEMaster's preferred in CS/InfoSec/Systems Eng; 20+ years IT experience; 10+ years FAA NAS security experience; CISSP required; knowledge of NIST SP 800-53 and FAA Order 1370.121; US citizenship/green card and government clearance eligibility.
FAA Order 1370.121, NIST SP 800-53, Zero Trust Architecture, NESG, RMAG, National Airspace System (NAS)
2w
Save
Mark Applied
Hide
Principal Security Engineer (Palo Alto Strata Cloud)
Vienna or Pensacola or Winchester
$132k-$206k/yr HybridFull Time
10+ YOE10+ years cybersecurity engineering experience; 5+ years with Palo Alto Strata Cloud Manager/Panorama; 3+ years tuning network sensors; Bachelor's in CS/IT or equivalent; experience with cloud, proxies, IDS/IPS, and network security.
Palo Alto Strata Cloud Manager, Panorama, Prisma Access, Splunk, PowerShell, Python, Azure, IDS, IPS, CASB, SASE, SD-WAN, PKI, SSL, SSH, HTTPS
3mo
Save
Mark Applied
Hide
Principal Software Engineer
Washington, District of Columbia, United States
$152k-$229k/yr RemoteFull Time
5+ YOE5+ years in data/backend/platform engineering; strong Python; cloud infra; Kafka/RabbitMQ; SQL/NoSQL; CI/CD; IaC; data pipelines; security data domain interest.
Python, Go, Rust, Cloud infrastructure, Kafka, RabbitMQ, PostgreSQL, MongoDB, Elasticsearch, Delta Lake, AWS Neptune, Neo4j, Flask, Django, FastAPI, CI/CD, GitHub Actions, Terraform, Infrastructure as Code
3w
Save
Mark Applied
Hide
Principal Information Security Engineer
Fort Meade, Maryland, United States
$117k-$292k/yr OnsiteFull Time
5+ YOEActive U.S. Top Secret clearance with SCI/SAP eligibility, 5+ years relevant experience, RMF/ATO expertise, experience with cloud, CI/CD, IaC and DevSecOps, and vulnerability assessment tools.
Kubernetes, CI/CD, IaC, Azure, AWS, ACAS, Nessus, SonarQube, eMASS, Xacta, SNOW, LATTE ART
3w
Save
Mark Applied
Hide
Principal Systems Engineer
Annapolis Junction, Maryland, United States
$190k-$225k/yr OnsiteFull Time
U.S. citizenship required; active security clearance with polygraph; DOD 8570 certification; background investigation and random drug testing; experience in systems/network engineering and security.
1mo
Save
Mark Applied
Hide
Principal Test Engineer
Germantown, Maryland, United States
$120k-$162k/yr OnsiteFull Time
8+ YOEBachelor's in engineering plus minimum 8 years' experience, mastery of multiple engineering disciplines, ability to obtain/hold DOD security clearance, strong technical leadership and test development skills.
1mo
Save
Mark Applied
Hide
Principal/Senior Principal Mechanical Engineer
Hawthorne or El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design and system integration experience in aerospace/defense, launcher design experience, CAD and FEA proficiency, electro-mechanical integration, MIL-STD familiarity, ability to obtain U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
2mo
Save
Mark Applied
Hide
Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
2mo
Save
Mark Applied
Hide
383 - Principal Software Engineer
Annapolis Junction, Maryland, United States
$216k-$241k/yr OnsiteFull Time
11+ YOEBachelor's degree with 11+ years of relevant experience; strong software development and scripting skills; experience in security/Android/automation preferred.
Java, Python, JavaScript, Shell, Android, Selenium
2w
Save
Mark Applied
Hide
Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
10+ YOE2+ Mgmt10+ years in cybersecurity with 2+ years technical leadership, Bachelor's degree, expertise in incident response, SIEM/SOAR, digital forensics, threat hunting, security automation, cloud-native security, scripting, and AI applied to security.
SIEM, SOAR, Agentic AI, Generative AI
4w
Save
Mark Applied
Hide
Principal Database Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
10+ YOE10 years DBE experience, active DoD 8570.01-M IAT Level II, bachelor’s in technical discipline (or 5 years DBE in lieu), ability to design, secure, optimize enterprise databases.
Open Database Connectivity
1w
Save
Mark Applied
Hide
Principal Platform Engineer
Baltimore, Maryland, United States
$160k-$200k/yr RemoteFull Time
7+ YOE7+ years owning production AWS infrastructure, strong IaC (AWS CDK), CI/CD (GitHub Actions), container orchestration (ECS/EKS), HIPAA/SOC 2 experience, security and compliance expertise.
AWS, AWS Organizations, AWS CDK, GitHub Actions, Docker, Docker Compose, ECS, EKS, Kubernetes, devcontainers, docker compose, mise, Ruby on Rails, React, Flutter
1w
Save
Mark Applied
Hide
Principal Platform Engineer
Baltimore or United States
$160k-$200k/yr RemoteFull Time
7+ YOE7+ years owning production AWS infrastructure, deep IaC experience (AWS CDK), CI/CD (GitHub Actions), container orchestration (ECS/EKS), security/compliance (HIPAA/SOC2), strong communication and autonomy.
AWS, AWS Organizations, AWS CDK, GitHub Actions, Docker, docker compose, devcontainers, ECS, EKS, Kubernetes, React, Ruby on Rails, Flutter
3w
Save
Mark Applied
Hide
Lead Principal Platform Software Engineer
Vienna, Virginia, United States
$97k-$306k/yr OnsiteFull Time
12+ YOEBachelor's in CS/IT/Engineering or equivalent; 12+ years IT experience with 8+ years in solution architecture; hands-on OCI, networking, Terraform, Kubernetes, Linux/Windows; strong security, DR, and stakeholder skills.
Oracle Cloud Infrastructure (OCI), Terraform, Kubernetes, Linux, Windows, CI/CD
1w
Save
Mark Applied
Hide
DevSecOps Engineer Principal - Cyber
Arlington, Virginia, United States
HybridFull Time
4+ YOEU.S. citizen with TS/SCI clearance ability; extensive DevSecOps experience with CI/CD, containerization, cloud, security automation, and related tools; advanced degree or equivalent experience.
Axonious, Splunk, Trend Micro, ACAS, GitLab, Bitbucket, Kubernetes, Helm, CloudOne, AWS, Docker, Red Hat Podman, Atlassian Jira, Confluence
1mo
Save
Mark Applied
Hide
Principal Linux Platform Engineer - Remote
Minneapolis or Washington or United States
$113k-$193k/yr RemoteFull Time
10+ YOE10+ years Linux engineering experience, Red Hat Enterprise Linux expertise, KVM virtualization, Ansible and scripting, EM automation and monitoring (Grafana/Prometheus/Loki/AlertManager/Thanos), IdM/LDAP/Kerberos experience, security-first platform hardening.
Red Hat Enterprise Linux, KVM, Ansible, Python, Shell scripting, IBM Spectrum Scale (GPFS), Grafana, Prometheus, Loki, AlertManager, Thanos, LDAP, Kerberos, SSSD, F5, haproxy, SELinux, LVM, dm-crypt, LUKS2, Kubernetes, OpenShift, IBM LinuxONE, IBM Z, Go, Rust, Java, C
1mo
Save
Mark Applied
Hide
Principal Software Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
15+ YOEBachelor's in STEM (Masters preferred). 15 years' experience with BS (12 with MS) in aerospace software systems, MBSE and requirements management (DOORS), ability to obtain government security clearance, US citizenship required.
Model Based Systems Engineering (MBSE), DOORS
1d
Save
Mark Applied
Hide
Principal Substation Electrical Engineer - Regional Datacenter Engineering
Redmond or Atlanta or San Antonio or Phoenix or Washington or United States
$143k-$275k/yr OnsiteFull Time
3+ YOERequires an electrical, computer, or related engineering degree and 3–8+ years of technical experience depending on degree level. Requires citizenship verification, security screening, and advanced high-voltage substation expertise.
SCADA, PSCAD, PSSE, PSLF, Microsoft Office
Explore Jobs