262 senior security engineer jobs at 128 companies in Elsmere, DE

2d
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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
K&L Gates
K&L Gates: Global law firm providing comprehensive legal and regulatory counsel.
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
1mo
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Senior Cloud Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
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
2mo
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Senior Cloud Engineer
Broomall, Pennsylvania, United States
$150k-$180k/yr RemoteFull Time
Xactus
Xactus: Provides verification and credit reporting for mortgage lenders.
4+ YOESenior Cloud Engineer skilled in IaC, Kubernetes, GitOps, CI/CD, multi-cloud, platform security, and AI/Bedrock integration.
Terraform, Terragrunt, CloudFormation, Kubernetes, ArgoCD, Flux, GitHub Actions, Jenkins, Prometheus, Grafana, Datadog, OpenTelemetry, Vault, SOC2, PCI-DSS, Bedrock, GitOps, Terraform, Terragrunt, Helm, Kustomize
2mo
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Senior Security Engineer
Lititz, Pennsylvania, United States
OnsiteFull Time
TAIT
TAIT: Designs and manufactures staging, automation, and show control systems.
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
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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
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
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
3d
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Senior Product Security Engineer (Black Duck & Application Security) - Onsite
Philadelphia, Pennsylvania, United States
$90k-$130k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
8+ YOE8+ years in product/application security with hands-on Black Duck/SCA experience, Black Duck API integrations, CI/CD automation, vulnerability analysis, and stakeholder communication.
Black Duck, Black Duck APIs, CI/CD, AWS, Azure, GCP
2w
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Senior Network Security Engineer
West Chester or Mount Laurel or Philadelphia
$117k-$176k/yr OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE5+ years network/network security engineering experience required; strong networking fundamentals, vulnerability remediation, patch validation, configuration hardening, and audit/compliance experience; Bachelor's degree preferred.
Cisco, Juniper, Arista, Nokia, F5, Fortinet, Python, Ansible, PowerShell, Terraform, AWS, Azure, GCP, CIS Benchmarks, NIST, CISA
1w
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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
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
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
3w
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Lead Security Engineer
Fort Washington, Pennsylvania, United States
OnsiteFull Time
Toll Brothers
Toll BrothersNYSE: TOL: A leading builder of luxury residential homes.
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
3mo
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Senior Platform & Security Engineer
Philadelphia or United States
$130k/yr HybridFull Time
Highlight Health
Highlight Health: Provides healthcare cost containment services for self-funded health plans.
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
2w
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Blockchain - Sr Lead Security Engineer
Plano or Seattle or Wilmington or Columbus or Jersey City or Palo Alto
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOEBachelor's in CS or related,7+ years software development with ≥2 years blockchain experience, strong Java/Python skills, blockchain fundamentals, cryptography (MPC,TSS,DKG,ECDSA,EdDSA), AWS, containers, infra-as-code, API and security best practices.
Java/J2EE, Python, Spring Boot, Flask, FastAPIS, Multi-Party Computation (MPC), ECDSA, EdDSA, BIP-32/BIP-44, AWS EC2, AWS EKS, AWS Lambda, AWS S3, AWS RDS, AWS IAM, AWS SQS, AWS SNS, API Gateway, AWS KMS, Terraform, CloudFormation, Docker, Kubernetes, Oracle, PostgreSQL, DynamoDB, MongoDB, Redis, Datadog, Dynatrace, Splunk, Grafana, Prometheus, Jenkins, GitHub Actions, Spinnaker, GitHub Copilot, Claude Code, OAuth 2.0, JWT, TLS, mTLS
1mo
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Cyber Systems Security Engineer
King of Prussia, Pennsylvania, United States
$101k-$201k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
2d
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Sr. SecOps Security Engineer
Bensalem, Pennsylvania, United States
OnsiteFull Time
Police and Fire Federal Credit Union
Police and Fire Federal Credit Union: Member-owned financial cooperative offering banking and loan services.
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
1w
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Senior Identity Security Engineer
Philadelphia or Boston or New York City or Baltimore or Washington, D.C. or Charlotte or Raleigh or Atlanta or Chicago or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Michigan or North Carolina or New Jersey or New York or Ohio or Pennsylvania or Tennessee or Virginia
$145k-$175k/yr HybridFull Time
HealthVerity
HealthVerity: Privacy-protected healthcare data exchange and patient identity platform.
7+ YOE7+ years IAM experience; expert Active Directory and Okta administration; hands-on Auth0/AWS Cognito; SAML/OAuth2/OIDC/SCIM/LDAP/Kerberos; SSO/MFA/PAM; cloud identity and compliance experience.
Active Directory, Okta, Auth0, AWS Cognito, Entra ID, SAML 2.0, OAuth 2.0, OpenID Connect (OIDC), SCIM, LDAP, Kerberos, Python, PowerShell, Terraform
1mo
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Information Security Engineer, Senior
Belcamp, Maryland, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years experience in configuration management, CM plan writing, design reviews, and software change audits; knowledge of DevSecOps and CM tools; TS/SCI clearance; bachelor's degree in a STEM field.
JIRA, puppet, Confluence, Git Hub
1mo
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Information Security Engineer, Senior
Belcamp or Aberdeen Proving Ground
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years writing CM plans, performing design reviews and configuration audits, applying CM in DevSecOps, using JIRA/puppet/Confluence/Git Hub, TS/SCI clearance, and a bachelor’s degree in STEM.
JIRA, puppet, Confluence, Git Hub
6d
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Sr Cyber Security Engineer
Raleigh or De Pere or Kennett Square or Chicago or Warrenville or Baltimore or Houston
$119k-$132k/yr HybridFull Time
Constellation Energy
Constellation EnergyNASDAQ: CEG: Produces carbon-free electricity and supplies energy to customers.
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
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions
Systems Products and Solutions: Provides aviation and ground sustainment services for defense agencies.
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
4w
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Technical Lead Member Engineering Staff - Systems Security Engineer (40852)
Camden, New Jersey, United States
$105k-$194k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
12+ YOEBachelor's in engineering, active DoD clearance (SECRET minimum), 12+ years systems engineering experience with information assurance/cryptography, NSA Type-1 experience preferred, MBSE and integration/test experience, strong communication skills.
Model-Based Systems Engineering (MBSE), EKMS, KMI, PKI, TLS, Linux