412 security engineer jobs at 185 companies in Downingtown, PA
2w
Save
Mark Applied
Hide
Distinguished Engineer - AI Security
Johnston or Pittsburgh or Irving or Phoenix or Franklin or Charlotte or Cleveland or Boston or Iselin or Philadelphia or Chicago
$175k-$250k/yr OnsiteFull Time
10+ YOE10+ years in software/platform/security/data engineering; strong Python and Linux scripting; AWS and cloud security experience; CI/CD and large-scale distributed systems expertise; bachelor's degree required.
Python, Bash, AWS, Linux, Jenkins, CircleCI, GitHub Actions, Kubernetes
3w
Save
Mark Applied
Hide
Security Engineer
Kansas City or Atlanta or Clayton or New York or Los Angeles or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or Wilmington or Washington
$120k-$150k/yr RemoteFull Time
2+ YOE2-4 years security engineering experience in on-premises environments, Bachelor's in CS/CE/IS or equivalent, experience with metrics/events/logging, detection engineering, scripting (Python, PowerShell), Microsoft Active Directory and Azure.
Splunk, Microsoft Active Directory, Azure, SIEM, Python, PowerShell, Microsoft Teams, Zoom, MITRE ATT&CK Framework, NIST Cyber Security Framework, CIS Controls
1d
Save
Mark Applied
Hide
Senior Security Engineer
Austin or Boston or Charleston or Charlotte or Chicago or Dallas or Durham or Harrisburg or Houston or Irvine or Kansas City or Los Angeles or Miami or Nashville or New York or Newark or Palo Alto or Pittsburgh or Portland or Raleigh or San Francisco or Seattle or Washington or Wilmington
$112k-$209k/yr HybridFull Time
7+ YOE7+ years cybersecurity/security engineering experience; expertise in cloud and hybrid security, DevSecOps, detection engineering, automation, incident response; Bachelor\u0002s or equivalent; relevant certifications preferred.
PowerShell, Python, REST APIs, Microsoft Graph, Azure, Microsoft Defender, Sentinel, Entra ID, Purview, Splunk, CrowdStrike, SIEM, EDR/XDR, MITRE ATT&CK
2w
Save
Mark Applied
Hide
Lead Security Engineer
Fort Washington, Pennsylvania, United States
OnsiteFull Time
7+ YOE7–10+ years security engineering experience; bachelor's in cybersecurity/IT/CS or related; strong incident response, enterprise security controls, communication, and leadership abilities.
SASE, EDR, XDR, IAM, SSO, MFA, SWG, DNS, SIEM, UEBA
4w
Save
Mark Applied
Hide
Security Engineer III
Wilmington or Columbus
OnsiteFull Time
3+ YOE3+ years applied security engineering experience; formal training/certification; proficiency coding in Java or Golang; experience developing security solutions, SDLC/CI/CD, AI-assisted security workflows, and strong validation/data handling habits.
Java, Golang
4w
Save
Mark Applied
Hide
Senior Cloud Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
5+ YOE5+ years related experience required (cloud security preferred), undergraduate degree or equivalent, production-grade proficiency in Python/Go/TypeScript, experience with AWS/GCP/Azure at org scale, strong distributed systems background.
Python, Go, TypeScript, AWS, GCP, Azure, CI/CD, CMDB, ITSM, LLM
1mo
Save
Mark Applied
Hide
Cyber Systems Security Engineer
King of Prussia, Pennsylvania, United States
$101k-$201k/yr OnsiteFull Time
Active Top Secret clearance (investigation within 5 years), DoD 8570 IAT Level II (e.g., CISSP/CAP), system security engineering and RMF (NIST SP 800-53) knowledge, Windows Server and RedHat/Linux administration, cloud-native experience, Bash/Shell scripting, and assessment/testing experience.
NIST SP 800-53, Windows Server, RedHat, Linux, Bash, Shell, Argo CD, Kubernetes, Grype, Syft, Trivy, Jira
1mo
Save
Mark Applied
Hide
Information System Security Engineer
Philadelphia, Pennsylvania, United States
$85k-$100k/yr OnsiteFull Time
3+ YOEABET-accredited BS in CS/EE/CE or cybersecurity, 2–3+ years cybersecurity/IT experience, Security+ or CISSP, RMF and Linux experience, vulnerability analysis experience, ability to obtain security clearance (US citizenship required).
RMF, DISA Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), Assured Compliance Assessment Solution (ACAS), ACAS, AV, Standard Engineering Process (SEP), Windows, Linux, Red Hat Enterprise Linux (RHEL), VxWorks
1mo
Save
Mark Applied
Hide
Security Engineer — Application Security & Identity
Boston or Carmel or Chicago or Lambertville or New York City or San Francisco or United States
$60k-$80k/yr HybridFull Time
5+ YOE5+ years cloud security experience (3+ in high-growth acceptable), including 2 years focused on application security; hands-on with AWS IAM, SAML/OIDC, GitHub security tooling, threat modeling, penetration testing, and familiarity with SOC 2/GDPR/HIPAA-adjacent controls.
AWS, AWS IAM, Microsoft Entra ID, SAML, OIDC, GitHub, GitHub OIDC, GitHub Advanced Security, CodeQL, SAST, Dependabot, Secret scanning, Semgrep, Snyk, Trivy, ECR scanning, OPA, Sentinel, tfsec, SIEM
1w
Save
Mark Applied
Hide
AWS Security Engineer - Senior Associate
New York City or Tampa or Denver or Chicago or Boston or Cleveland or Philadelphia or Houston
$77k-$202k/yr OnsiteFull Time
2+ YOEBachelor's degree required, minimum 2 years' experience, proficiency with AWS CloudFormation, Terraform, Ansible, Puppet, GitHub, Jenkins, and Python; security incident management and vulnerability assessment experience.
AWS CloudFormation, Terraform, Ansible, Puppet, GitHub, Jenkins, Python
1w
Save
Mark Applied
Hide
Electronic Security Systems Engineer
West Reading, Pennsylvania, United States
OnsiteFull Time
Associate degree preferred, PA driver's license required, no prior experience required; skills in access control, security cameras, system design, testing, and Microsoft Excel/Outlook/Word.
Microsoft Excel, Microsoft Outlook, Microsoft Word
2mo
Save
Mark Applied
Hide
Senior Security Engineer
Lititz, Pennsylvania, United States
OnsiteFull Time
12+ YOE12+ years in information security with hands-on experience implementing enterprise security controls across identity, endpoint, network, cloud, vulnerability management, logging, and incident response.
MFA, SSO, VPN, Firewall
2w
Save
Mark Applied
Hide
Intermediate Cyber Security Engineer
Cedar Rapids or Denver or Philadelphia
$70k-$84k/yr HybridFull Time
1+ YOE1+ years cyber security engineering experience; knowledge of application security, vulnerability management, SDLC, and security frameworks; bachelor’s in related field or equivalent; certifications desirable (OSCP,CISSP,CEH,Security+/CySA/CASP).
NIST CSF, SIEM, Rapid7, ServiceNow Vulnerability Response (VR), Synk, CrowdStrike, ServiceNow, JIRA
1d
Save
Mark Applied
Hide
Sr. SecOps Security Engineer
Bensalem, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years security engineering experience; design and manage SIEM, IDS/IPS, DLP, vulnerability scanning; knowledge of financial regulations (NCUA, GLBA, PCI DSS); bachelor's degree in related field required.
SPLUNK, SIEM, ForcePoint, Nessus, DLP, FireEye, Trellix, Cisco Secure Workload (CSW), Cisco Identity Services Engine (ISE), Cisco AMP, Microsoft Defender, Okta, RSA, VMware, StealthWatch, NetFlow
2w
Save
Mark Applied
Hide
Cyber Security Engineer
Aberdeen, Maryland, United States
$85k-$130k/yr OnsiteFull Time
3+ YOE3+ years as a cyber security engineer, bachelor’s in a technical discipline, TS/SCI with polygraph (US citizenship), RMF/SSP/ATO experience, STIG application on Linux/Windows, eMASS and cloud familiarity.
eMASS, STIGs, Linux, Windows, CI/CD
3mo
Save
Mark Applied
Hide
Senior Platform & Security Engineer
Philadelphia or United States
$130k/yr HybridFull Time
7+ YOE7-10 years in cloud platform engineering, DevOps, or infrastructure security; hands-on Azure across full lifecycle; experience with HIPAA and SOC 2 Type 2; Entra ID and security operations; healthcare/regulatory familiarity.
Azure, Azure DevOps, Azure Container Apps, Azure App Service, Azure Service Bus, Azure Database for PostgreSQL, Azure Blob Storage, Azure Key Vault, Microsoft Entra ID, Microsoft Defender, Application Insights, Log Analytics, Microsoft Sentinel, Microsoft Purview, M365, SharePoint, Teams
5d
Save
Mark Applied
Hide
Sr Cyber Security Engineer
Raleigh or De Pere or Kennett Square or Chicago or Warrenville or Baltimore or Houston
$119k-$132k/yr HybridFull Time
7+ YOEBachelor's in CS/IT with 7+ years cyber security (alternative degree+experience paths accepted). Strong NERC CIP experience, security engineering, change management, and relevant certifications (CISA,CISSP,GIAC,MCSE,RHCE,CCNP,CCSP).
Microsoft, Linux, UNIX, Cisco, RuggedCom, Palo Alto, PKI, VMware, Hyper-V, VPN, Citrix, MFA, Tripwire, Splunk, AssurX/CATSWeb, IDS/IPS
1w
Save
Mark Applied
Hide
Electronic Security Systems Engineer
West Reading, Pennsylvania, United States
OnsiteFull Time
Associate degree required, no prior experience needed; PA driver permit/license, computer navigation skills, and proficiency with Microsoft Excel, Outlook, and Word.
Microsoft Excel, Microsoft Outlook, Microsoft Word
2w
Save
Mark Applied
Hide
Cyber Security Engineer
Philadelphia, Pennsylvania, United States
$74k-$142k/yr RemoteFull Time
3+ YOEMinimum 3 years cybersecurity experience, incident response/threat hunting, content/rule development, security infrastructure ops, security certifications (CompTIA, ISC2, ISACA, SANS), bachelor's in CS/InfoSec preferred, strong communication and organizational skills.
SIEM, MEDR, SOAR, Python, Microsoft Windows, RHES, CentOS, Ubuntu Linux, MacOS
2mo
Save
Mark Applied
Hide
Lead Security Engineer (Fort Washington, PA, US)
Fort Washington, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years of security engineering or security operations experience.
Explore Jobs