63 network security engineer jobs at 52 companies in Elsmere, DE
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
Customers BankNYSE: CUBI: Provides commercial and consumer banking and digital financial solutions.
5+ YOE5+ years network security engineering experience with hands-on Palo Alto and Cisco firewall administration, VPN/SD‑WAN security, Cisco ISE, incident response, ITIL change management, scripting (Python/Ansible), and familiarity with Azure networking and regulatory frameworks.
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
8+ YOEBachelor's degree in IT/CS/Engineering; 8+ years network security; strong Cisco/C2C and TCP/IP experience; IAT Level 3 and multiple OS certifications; US citizen with Active Secret clearance.
Cisco Prime Infrastructure, IEEE 802.11, TCP/IP, C2C, Networking hardware, Cisco switches and routers, Network security monitoring
Bering Straits Native Corporation: Provides government contracting, IT, logistics, and construction services.
10+ YOEBachelor’s degree in IT, Networking, Cybersecurity or related; 10+ years network support; CCNA/CCNP; Security+; 4 years IT customer support; 2 years military environment; active Secret clearance.
Aberdeen Proving Ground or Wilmington or Middletown
$80k-$100k/yrHybridFull Time
Fairwinds Technologies: Designing and integrating communication systems for defense agencies
2+ YOEBachelor's in a relevant engineering/computer or systems field, 2+ years designing integrated networked solutions; CCNA, CompTIA Security+, VCP preferred; SATCOM, SD-WAN, cyber security experience; U.S. citizenship and Secret clearance required/eligible.
SATCOM, Software Defined Networking, SD-WAN, Cisco, VMware, Pacstar Smart Chassis Systems, C, C++, Fortran, Python, Rust, Julia
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
2+ YOEBS in Engineering or 2+ years' professional experience (or 4 years military), 2+ years with network device configuration, knowledge of routing/switching protocols, Wireshark experience, DoD-8570 IAT Level 2 (Security+ CE) or ability to obtain, and ability to obtain Secret clearance.
Wilmington or Fayetteville or Parlin or Marlborough or North America or Europe or Asia
HybridFull Time
Qnity ElectronicsNYSE: Q: Manufactures materials and solutions for the semiconductor industry.
8+ YOEBachelor's degree and 8+ years enterprise networking experience across projects and operations; expertise in LAN/WLAN/SD-WAN, Cisco/Palo Alto platforms, network security; CCNP/CCNA preferred.
Ingersoll RandNew York Stock Exchange: IR: Manufacturer of industrial air compressors and fluid management systems.
10+ YOE10+ years networking experience, deep routing/switching and security expertise, bachelor’s in CS/IT, CCNP/CCIE or equivalent, experience with Cisco/Juniper/Firewalls, strong troubleshooting and communication skills.
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
4+ YOEMaster's or Bachelor's in CS/related, 4+ years in computer/network security, cloud platforms, Windows/Linux, secure development, threat modeling, scripting (PowerShell/Python/C#/C++), and security tooling (SAST/SCA/DAST).
PowerShell, Python, C#, C++, SAST, SCA, DAST, Azure, Microsoft Windows, Linux, CI/CD, DevSecOps, STRIDE, Threat Modeling, OWASP Top 10, CWE
Cortrucent: Provides managed IT services and proactive cybersecurity for businesses.
5+ YOE5+ years cloud, networking, and infrastructure experience; hands-on with Microsoft Azure/M365/AWS, virtualization, firewalls, identity/security controls; strong client-facing, design, and mentoring skills; US work authorization required.
Microsoft Azure, Microsoft 365, AWS, Windows, Linux, Nutanix, HCI, VMware, Hyper-V, AHV, Cisco, Meraki, Fortinet, Palo Alto, SonicWall, SD-WAN, VPN, VLAN, Routing, WAF, MFA, PKI, SSL/TLS, Active Directory
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.