• PKI Security Engineer

    Charles Schwab (Southlake, TX)
    …organization is the first line of defense for the Firm. The Senior Security Engineer of the Public Key Infrastructure ( PKI ) team will play a key role on ... + Define certificate lifecycle management policies (issuance, renewal, revocation). + Integrate PKI with other security systems like authentication and access… more
    Charles Schwab (12/17/25)
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  • Network Security Engineer - Palo…

    System One (Dallas, TX)
    Network Security Engineer - Palo Alto Contract to Hire Per federal contract requirements must be a US citizen Clearance: Successful completion of a Public Trust ... Conversion Salary: $105,000 to $110,00 range annually, plus benefits The Network Security Engineer role requires extensive Palo Alto Panorama, Firewalls, and… more
    System One (12/17/25)
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  • Firmware Security Engineer

    Actalent (Plano, TX)
    Firmware Security Engineer Job Description We are seeking a Sr. Firmware Security Engineer who will play a crucial role in designing and optimizing ... optimize firmware code for wireless communication systems, focusing on Embedded System Security principles, security by design, and OS hardening. + Collaborate… more
    Actalent (12/06/25)
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  • Network Security Engineer

    Insight Global (Denton, TX)
    Job Description We are seeking an experienced IT Network & Security Expert to design, implement, secure, and maintain our enterprise network infrastructure. The ... ideal candidate has deep technical expertise in network architectures, firewalls, security controls, incident response. You will play a key role in ensuring our… more
    Insight Global (12/12/25)
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  • Network Engineer II

    Sierra Nevada Company, LLC (Fort Worth, TX)
    …may be considered in lieu of required education + Experience with network security technologies (firewalls, IDS/IPS, VPNs, TACLANEs, PKI , etc.). + Strong working ... We are seeking an experienced Network Engineer to support the development, integration, and sustainment...force. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR… more
    Sierra Nevada Company, LLC (10/30/25)
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  • Military Fellowship Program: Network…

    Sierra Nevada Company, LLC (Plano, TX)
    …may be considered in lieu of required education + Experience with network security technologies (firewalls, IDS/IPS, VPNs, TACLANEs, PKI , etc.). + Strong working ... already separated from the military. We are seeking an experienced Network Engineer to support the development, integration, and sustainment of advanced network… more
    Sierra Nevada Company, LLC (12/05/25)
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  • Privileged Access Management (PAM) Infrastructure…

    Citigroup (Irving, TX)
    …Automation Engineer ** , you will be joining Citi's Information Security Office, where our Secrets Engineering team holds global responsibilities for designing, ... We'll enable growth and progress together. **About the Team:** The **Chief Information Security Office (CISO)** is home to deeply talented colleagues that work to… more
    Citigroup (10/30/25)
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  • Principal Systems Engineer (Microsoft…

    US Bank (Irving, TX)
    …and modern authentication models (OIDC, OAuth). + Understanding of Zero Trust, PKI , and enterprise security practices. + **Infrastructure & Networking** : ... from Day One. **Job Description** We are seeking a Principal Systems Engineer with strong experience in software engineering, automation, cloud platforms, and… more
    US Bank (12/11/25)
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  • Senior Platform Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …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:** Secret - Current...is seeking a highly skilled and motivated Senior Platform Engineer to support the development and implementation of common… more
    RTX Corporation (09/24/25)
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  • Sr. Technical Support Engineer , Focused…

    Palo Alto Networks (Plano, TX)
    …proactively drive best practices and help you continuously improve your security posture. You will regularly participate in technical discussions with ... of complex issues and providing tailored solutions to optimize their security infrastructure + Effectively communicate technical solutions to technical and executive… more
    Palo Alto Networks (10/28/25)
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  • Sr. Technical Support Engineer , Prisma…

    Palo Alto Networks (Plano, TX)
    …Engineering, QA, and Product managers). Technical Skills: + Networking + IPSEC, TCP/IP, PKI , SSL/ TLS, HTTP/HTTPS + Routing knowledge (BGP is a must) + Experience ... working with Firewall Central Management Systems + Working knowledge of Security services (IDS/IPS, Firewalls, etc.) + Operating Systems: Expertise in OS systems and… more
    Palo Alto Networks (11/18/25)
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  • Sr. Technical Support Engineer , Prisma…

    Palo Alto Networks (Plano, TX)
    …resolution of complex issues and providing tailored solutions to optimize their security infrastructure + Use fault isolation and root cause analysis skills to ... **Your Experience** + Minimum of 5 years of network security experience along with strong communication and customer service...Remote Access VPN solutions and tunneling protocols (IPSEC, GRE, PKI & SSL/TLS, DNS, DHCP) + Knowledge of SD-WAN… more
    Palo Alto Networks (10/28/25)
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  • Senior Technical Support Engineer , US…

    Palo Alto Networks (Plano, TX)
    …verbal communication skills + Expertise with Remote Access VPN solutions, IPSEC, PKI & SSL, TCP/IP, Authentication Protocols (LDAP, RADIUS, etc.) + Experience ... Central Management Systems + Experience working with a multi-factor authentication security system (tokens, certificates, CAC cards, and similar) + Working knowledge… more
    Palo Alto Networks (11/05/25)
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