66 principal security engineer jobs at 40 companies in Timonium, MD
3w
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.
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
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
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)
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
3d
Save
Mark Applied
Hide
Information Security Sr. Principal (Azure Security Senior Engineer)
Washington, District of Columbia, United States
$149k-$201k/yr HybridFull Time
5+ YOEBachelor's degree, active Secret clearance, 5+ years relevant experience including Azure Government cloud security, DoD RMF/STIG experience, and IAT II/III certification such as Security+, CISSP, or CISM.
Microsoft Azure, Plan of Action and Milestones (POA&M), Microsoft Defender, Key Vault, Azure Policy, Microsoft Sentinel, NIST 800-53, DoD STIGs, CIS Benchmarks, CSAM, eMASS, SCAP, SIPRNet
2d
Save
Mark Applied
Hide
Security Problem Management Principal
McLean, Virginia, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years in cybersecurity, security operations, incident response, problem or risk management, or reliability engineering; root-cause analysis, program management, stakeholder influence, and executive communication experience required.
NIST CSF, NIST 800-61, ISO 27001, ITIL, CISSP, CISM, CRISC, GIAC, PMP
1mo
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
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.
2d
Save
Mark Applied
Hide
Principal AI Security SA, AWS Security & Networking
San Francisco or Seattle or Arlington or New York or Denver
$183k-$284k/yr OnsiteFull Time
10+ YOE10+ years in technology domains, bachelor's degree in computer science, engineering, or mathematics, cloud transformation experience, executive communication, and security or AI architecture expertise.
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
1mo
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
6d
Save
Mark Applied
Hide
Principal Mechanical Engineer
Hawthorne or El Segundo or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in aerospace or defense mechanical design and system integration; missile launcher experience, CAD proficiency, ruggedized hardware expertise, and ability to obtain a U.S. security clearance required.
SolidWorks, NASTRAN, ABAQUS, ANSYS, CFD, COMSOL, CNC
2w
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
2w
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
2w
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
1d
Save
Mark Applied
Hide
Tech Lead/Principal Engineer, Public Sector
McLean or New York City or Richmond
HybridFull Time
Exiger: AI-powered supply chain risk and compliance management software.
5+ YOERequires 5+ years of production database engineering, relational and analytics-store experience, AWS RDS/Aurora, FedRAMP Moderate or High experience, security clearance eligibility, and customer-facing communication skills.
PostgreSQL, Aurora, MySQL, Oracle, EXPLAIN ANALYZE, Redshift, Snowflake, BigQuery, ClickHouse, AWS, RDS, AWS DMS, pgvector, OpenSearch k-NN, Pinecone, TDE, Vault, AWS KMS, PostGIS
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
6d
Save
Mark Applied
Hide
Principal Sys Security Eng - Real Time
Baltimore or Kennett Square or Houston or De Pere or Warrenville or Chicago
$136k-$151k/yr HybridFull Time
8+ YOERequires a bachelor's degree in information systems and 8 years of cybersecurity architecture and design experience, or 12 years without a degree, plus industrial control system security expertise.
Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), SCADA, TCP/IP, Dynamic Host Configuration Protocol (DHCP), Domain Name System (DNS)
Explore Jobs