• Zscaler (Washington, DC)
    …be responsible for: + Presenting to customers as the expert in SD-WAN, network security architecture, and deployment + Leading conversations about industry ... transformation to the world. We're looking for an experienced Principal Product Specialist, ZT Branch - Federal to join...to the security landscape in regards to network security and zero trust architecture +… more
    DirectEmployers Association (12/16/25)
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  • Zscaler (San Jose, CA)
    …services: DNS, HTTP/2, QUIC, TCP/IP, and SSL/TLS + Experience with security technologies ( firewall , IPS, authentication) and networking technologies (VPN/IPSec, ... cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep...with a cloud-first strategy. We're looking for an experienced Principal Software Development Engineer to join our ZIA team.You… more
    DirectEmployers Association (11/18/25)
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  • Zscaler (San Jose, CA)
    …on the planning and product roadmap at the forefront of the world's cloud security leader. We're looking for an experienced Principal Product Specialist to join ... Monitoring + Proficiency in DEM (Digital Experience Monitoring) or Network and Endpoint Monitoring + Deep understanding of Internet...UDP, HTTP, DNS, and/or SSL) and technologies like Proxies, Firewall and/or VPN based security stack +… more
    DirectEmployers Association (11/04/25)
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  • Principal Engineer Software Developer…

    Palo Alto Networks (Santa Clara, CA)
    …at Enterprise, Data Center, Cloud, and Service Provider environments + Design & Develop L2-L4 network security features + Develop network security high ... are looking for motivated, smart, hardworking and passionate individuals to join the Next-gen Firewall dataplane team as a Software Engineer. You will be part of a… more
    Palo Alto Networks (10/29/25)
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  • Principal Network Engineer

    LTD Global (Livermore, CA)
    …+ BGP + Other routing protocol + Firmware Management + Develop and implement network security strategies, incorporating firewall rules, access controls, and ... and hybrid cloud network solutions (Azure required). + Strong experience in firewall management and network security tools such as Palo Alto,… more
    LTD Global (10/31/25)
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  • Principal Network Security

    Palo Alto Networks (Santa Clara, CA)
    …is to create an environment where we all win with precision. **Your Career** As a Principal Network Security Engineer at Palo Alto Networks, you'll be a ... your opportunity. **Your Impact** + Architect, implement, and maintain advanced network security architectures across our global infrastructure, influencing… more
    Palo Alto Networks (12/02/25)
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  • Principal Software Developer 4 - OCI…

    Oracle (Columbia, SC)
    … Software Developer to join our Networking organization, focusing on DDoS and Network Security . In this strategic role, you will help architect, build, ... Firewall (WAF)-to protect against a wide array of network and application-layer threats. - Analyze trends in ...distributed systems or cloud infrastructure. - Working knowledge of network technologies or security principles, with an… more
    Oracle (11/25/25)
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  • Senior Principal Processing Integration…

    RTX Corporation (Marlborough, MA)
    …hardware + Experience with Firewall design and configuration including network access controls + Experience implementing Security Technical Implementation ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/06/25)
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  • Principal Software Test Engineer…

    Palo Alto Networks (Santa Clara, CA)
    …application layer protocols (eg, HTTP, HTTPS). + Extensive hands-on experience testing network and/or cybersecurity products. + Familiarity with security domains ... precision. **Your Career** Palo Alto Networks NGFW (Next Generation Firewall ) group is looking for a seasoned and accomplished...QA/Automation engineer with experience in validating core networking & security features in the QA team. You will be… more
    Palo Alto Networks (12/10/25)
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  • Principal Software Engineer (Layer 7…

    Palo Alto Networks (Santa Clara, CA)
    …features. Are you looking to tackle a variety of challenging problems across the network , firewall , and Cloud platforms with a team of collaborative and ... and developing GlobalProtect, one of the best and most popular secure network connection applications, and other security features on the next-generation… more
    Palo Alto Networks (11/12/25)
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  • Principal Radar Processing…

    RTX Corporation (Tewksbury, MA)
    …with Firewall design and configuration + Experience implementing Security Technical Implementation Guides, network hardening, system level hardware ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/15/25)
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  • Principal Engineer Software (L7…

    Palo Alto Networks (Santa Clara, CA)
    …features. Are you looking to tackle a variety of challenging problems across the network , firewall , and Cloud platforms with a team of collaborative and ... all win with precision. **Your Career** In the Layer-7 Security Software team, we are responsible for at least...features that require the inspection or extraction of layer-7 network payload depends on our engine. We are also… more
    Palo Alto Networks (11/12/25)
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  • Sr Principal Cybersecurity Analyst/…

    Northrop Grumman (Chantilly, VA)
    …of customer mission needs. + Maintain, evaluate, test, and apply STIG configurations for network devices. + Respond to security findings and Break Fix events ... routing protocols + Firm understanding of Juniper JunOS commands and or firewall concepts + Previous experience troubleshooting network procedures and best… more
    Northrop Grumman (01/01/26)
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  • Sr Principal Network Engineer

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to fill a **Senior Principal Network Engineer** in the Payload and Ground Systems Division ... on new communication technologies to enhance capabilities of the network . Candidates are required to be Security +...Expert + Experience with designing additions to a large network **Preferred Qualifications:** + Firewall Hardware and… more
    Northrop Grumman (11/21/25)
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  • Platform Principal Engineer…

    Huntington National Bank (Charlotte, NC)
    …specifically will focus on network security technologies related to network access control (NAC) and firewall infrastructure deployed in alignment to ... Principal Engineer is a member of the Infrastructure Security Services Team supporting Huntington's Enterprise Network ...to secure and segment IoT. + Build and enhance network security solutions with a "secure and… more
    Huntington National Bank (10/28/25)
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  • Principal Engineer Software - (L7…

    Palo Alto Networks (Santa Clara, CA)
    …and support + Candidate should also have hands-on experience with networking or network security technologies and C language development in a Unix/Linux ... Security group, you will be responsible for designing and developing security features on the next-generation firewall platform integrating with our … more
    Palo Alto Networks (12/05/25)
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  • Principal Software Engineer (Intrusion…

    Palo Alto Networks (Santa Clara, CA)
    …Networks next generation firewall + Build common services to support various network security services + Develop internal tools to monitor and support the ... firewall . The content team is responsible for decoding network protocols, identifying applications and detecting threats on enterprise...networks, providing common service to support a variety of network security services. As a member of… more
    Palo Alto Networks (11/10/25)
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  • Principal Software Engineer (Cloud…

    Palo Alto Networks (Santa Clara, CA)
    …and monitor & protect cloud networks. Our platforms represent the foundation of our network security and cloud offerings, providing you an opportunity to define ... align your work with the company's Platformization strategy. As a Principal Engineer on the Cloud Security team, you will bring innovation, thrive in an evolving… more
    Palo Alto Networks (12/05/25)
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  • Principal Network Architect

    SciTec (Boulder, CO)
    …CCIE (Data Center) or CCNP (CCIE highly preferred) + Proficiency with network security principles, including monitoring, hardening, threat models, common ... networks using a Fibre Channel Switch Fabric topology + Familiarity with application layer network and firewall configuration in Linux and VMware systems + Hands… more
    SciTec (12/03/25)
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  • Principal Network Engineer (Onsite…

    RTX Corporation (Tewksbury, MA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret...and improve existing capabilities. We are looking for a network engineer who can support this vital mission. The… more
    RTX Corporation (11/04/25)
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