Network Engineer - Tier 3
New
A
AppGateNetwork security
Workable workplace: remote; Workable locations: United States. Dallas, Texas, United States. Phoenix, Arizona, United StatesFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- At least five years of enterprise technical support or network engineering experience, including two or more years in an escalation (L3) role
- Required Skills
- LDAP
Requirements
- Have at least five years of enterprise technical support or network engineering experience, including two or more years in an escalation (L3) role.
- Configure, support, and manage broad, complex networks, including IPv4 and IPv6 addressing and subnetting, VLANs, and network segmentation.
- Understand DNS, DHCP, TCP, UDP, and NAT.
- Use packet capture and analysis tools such as Wireshark and tcpdump.
- Have experience with routing protocols.
- Understand IPsec, SSL/TLS, site-to-site, and remote access VPN technologies.
- Have experience with LDAP, SAML, RADIUS, OIDC, and multi-factor authentication (MFA).
- Have hands-on experience with network security platforms, including next-generation firewalls and IDS/IPS from multiple vendors.
- Communicate effectively with technical and business stakeholders.
- Preferred: experience with AWS, Azure, GCP, VMware, OpenStack, or Kubernetes.
- Preferred: experience with Windows, macOS, Linux, iOS, and Android.
- Preferred: experience supporting enterprise security or networking products, or deploying or supporting ZTNA, SASE, or SD-WAN architectures.
- Preferred: scripting in Python, Bash, or JavaScript for automation and log analysis.
- Preferred: CCNP, Network+, or a cloud provider certification.
Responsibilities
- Own complex customer issues through resolution, restore AppGate ZTNA deployments to service, and advise on configuration best practices.
- Facilitate software deployment in customer environments and troubleshoot remote product installations.
- Collaborate with the Development team to analyze log files, identify potential root causes, and determine troubleshooting steps.
- Improve service reliability through root cause analysis and post-mortem or after-action reviews.
- Write knowledge base articles and technical documentation, and deliver technical presentations to customers and internal teams.
- Test and reproduce customer issues in internal and cloud-based lab environments using network simulation and validation tools.
- Maintain timely case records in the case management system.
- Serve as an escalation point for L2 support engineers, mentoring them and sharing knowledge.
- Participate in an on-call rotation with other support engineers.
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