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Added 9 mins ago
Senior Specialist, Systems Engineer - ELINT
L3Harris
Greenville, TX
L3Harris is seeking a Systems Engineer to support the design, development, integration, test, and sustainment of advanced capabilities. The ideal candidate brings a strong foundation in…
Added 9 mins ago
Lead Program Engineer
L3Harris
Greenville, TX
The individual Engineering Functional Task Leaders (Systems Engineering, Software Engineering, Aeronautical Engineering, Specialty Engineering, Logistic Engineering, Technical Publications,…
Added 10 mins ago
Principal Engineer - Secure Network Services
Wells Fargo
IRVING, TX
Wells Fargo is seeking a Principal Engineer to lead the strategy, architecture and delivery of secure network solutions in Wells Fargo data centers and Secure Network Interconnect sites.…
Added 10 mins ago
Engineer/Sr Engineer, IT Cybersecurity Governance, Risk & Compliance
American Airlines
Fort Worth, TX
As a Cybersecurity GRC Engineer/Sr. Engineer focused on Risk Management, you will help shape and advance cybersecurity risk management capabilities that translate technical risk into…
Added 10 mins ago
Director, Active Directory Engineering
USAA
San Antonio, TX
…engineering capabilities, strengthening directory security, identity integration, and access…
Added 10 mins ago
NASA Space Reactor-1 Freedom Software Engineer
CACI International
Houston, TX
CACI is seeking a Software Systems Engineer to support the Space Reactor-1 (SR-1) Freedom Program at NASA Johnson Space Center (JSC). This position focuses on software systems engineering…
Added 10 mins ago
Cloud Engineer
Maximus
Austin, TX
Research, design, develop, run tests, and evaluate systems supporting cloud implementation and integration with cloud service providers, applying principles and techniques of computer…
Added 10 mins ago
Software Engineer II (Non-traditional Path)
BAE Systems
Austin, TX
…of hardware and software. You will collaborate closely with Systems, Hardware, and Test engineers to develop software that interacts directly with physical components. Your work will span…
Added 10 mins ago
Software Engineer, Machine Learning RecSys
Meta
Austin, TX
Software Engineer, Machine Learning RecSys Responsibilities:
Added 10 mins ago
Senior Container Platform Engineer
Charles Schwab
Austin, TX
We are seeking a Senior Container Platform Engineer to join our Infrastructure Platforms organization, helping build and operate resilient, secure, and repeatable enterprise container…
Added 10 mins ago
ASIC Design Engineer, Cloud-Scale Machine Learning Acceleration team - Annapurna Labs
Amazon
Austin, TX
…server infrastructure; we’re handling massive scale and rapid integration of emergent technologies. We’re looking for an ASIC Design Eengineer to help us trail-blaze new technologies and…
Added 10 mins ago
PD Methodology Engineer, Annapurna Labs - Cloud Scale Machine Learning
Amazon
Austin, TX
…hardware in our data centers including AWS Inferentia, Trainium Systems (our custom designed machine learning inference and training datacenter servers). Our success depends on our…
Added 10 mins ago
RRC - Azure DevOps Engineer (Database Administrato
RAILROAD COMMISSION OF TEXAS
Austin, TX
Added 10 mins ago
Staff Software Architect
CVS Health
Austin, TX
…enterprise-wide influence. You will define the long-term software and systems architecture vision for the Clinical Insights Engine platform, drive cross-functional alignment on engineering…
Added 10 mins ago
Software Engineer 2
Dell Technologies
Austin, TX
As a Software Engineer , you will implement features, fix defects, and contribute unit/integration tests under guidance. You will learn best practices and participate in design discussions.
Added 10 mins ago
EG
Cloud Engineer
Eliassen Group
Austin, TX
- $70 to $88 USD / hour
Our client seeks a senior Cloud Engineer to own and stabilize a legacy GCP and Azure footprint while assisting with conversions and decommissioning. The role will support automation efforts…
Added 30 mins ago
Solutions Engineer
Edward Jones
Saint Louis, MO
As a Solution Engineer, you will be a senior technical expert responsible for shaping the future of the firm's API ecosystem. You will influence architectural direction, define platform…
Added 31 mins ago
DevOps Engineer
Aravo Solutions, Inc.
Remote, United States
…incorporates cross-organizational collaborative workflows, data integration, and a rich user interface built on a complex data model. You will work on driving Operational Excellence and…
Added 32 mins ago
Senior Principal Systems Engineer (Melbourne FL)
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization.…
Added 52 mins ago
AC
Senior / Staff / Principal Platform Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $180,000 to $270,000 USD / year
As we continue to evolve our platform, we are investing in the foundational systems that power the AppGate appliance and the services it depends on. This includes Linux system integration,…
Added 52 mins ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 52 mins ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 52 mins ago
AC
Senior Sales Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $175,000 to $225,000 USD / year
The Senior Sales Engineer (SE) is the senior pre-sales subject matter expert for AppGate ZTNA and owns the technical engagement with commercial prospects from first meeting through…
Added 52 mins ago
AC
Cloud Systems Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $135,000 to $150,000 USD / year
The Cloud Systems Engineer is responsible for the systems engineering, design, integration, and technical development of cloud-based services and solutions. This role combines a strong…
Added 52 mins ago
AC
Network Engineer - Tier 3
AppGate Cybersecurity, Inc.
Remote, United States
- $110,000 to $120,000 USD / year
We are looking for a remote network engineer to provide enterprise-level support for our Zero Trust Network Access (ZTNA) solution. Due to the level of integration our Zero Trust platform…

AppGate Cybersecurity, Inc.

Network Engineer - Tier 3

Remote, United States

$110,000 to $120,000 USD / year

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Job details

Pay: $110,000 to $120,000 USD / year
Posting language: English
Posted: Oct 27, 2026

Original job description

About AppGate AppGate secures and protects an organization's most valuable assets with its high performance Zero Trust Network Access (ZTNA) solution. AppGate is the only direct-routed ZTNA solution built for peak performance, superior protection and seamless interoperability. AppGate safeguards Fortune 500 enterprises worldwide. Learn more at appgate.com.

About the Role We are looking for a remote network engineer to provide enterprise-level support for our Zero Trust Network Access (ZTNA) solution. Due to the level of integration our Zero Trust platform has with network architectures, we need engineers with deep networking and troubleshooting skills to ensure our security solution continues to successfully meet our customer’s cybersecurity needs as those needs evolve and their networks change. You will work closely with our customers’ IT administrators, network engineers, CIOs and CISOs, as well as our internal Deployment and Development teams. You will become deeply knowledgeable about AppGate ZTNA, its capabilities and why it has become a core component for many companies’ security postures.

Key Responsibilities

Own complex customer issues through resolution, restoring AppGate ZTNA deployments to service and advising on configuration best practices as a product subject-matter expert.
Facilitate software deployment in a customer environment and troubleshoot remote installation of the product.
Collaborate regularly with our Development team to analyze log files and identify potential root causes and troubleshooting steps.
Improve service reliability through root cause analysis and post mortem / after action.
Write knowledge base articles and technical documentation for our public customer knowledge base, 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 accurate, timely case records in our case management system to ensure AppGate delivers top-tier support.
Serve as the escalation point for L2 support engineers, mentoring them and sharing knowledge to raise overall team capability.
Participate in an on-call rotation with our other support engineers.

Required Qualifications

Requires experience in configuring, supporting and managing broad and complex networks including:
IP addressing and subnetting (IPv4 and IPv6), VLANs and network segmentation
DNS and DHCP
Networking fundamentals: TCP, UDP and NAT
Packet capture and analysis with tools such as Wireshark and tcpdump
Routing protocols
VPN technologies: IPsec, SSL/TLS, site-to-site and remote access VPN
Authentication protocols: LDAP, SAML, RADIUS, OIDC, multi-factor authentication (MFA)
Hands-on experience with network security platforms, including next-generation firewalls and intrusion detection and prevention systems (IDS/IPS) from multiple vendors such as Cisco, Check Point, Palo Alto Networks, CrowdStrike and Zscaler.

Functional and personal skills:

Excellent verbal and written communication skills with the ability to bridge technical and business stakeholders
At least five years of enterprise technical support or network engineering experience, including two or more years in an escalation (L3) role
A cross-functional team player who can also work independently and adapt quickly to changing situations
Customer-service oriented and able to manage multiple projects at the same time
Passionate about problem solving and have good commercial sense when communicating with customers

Preferred Qualifications

Cloud and virtualization platforms (AWS, Azure, GCP, VMware, OpenStack, Kubernetes)
Experience with Windows, macOS, Linux, iOS and Android.
Background supporting enterprise security or networking products
Experience deploying or supporting ZTNA, secure access service edge (SASE) or SD-WAN architectures
Scripting in Python, Bash or JavaScript for automation and log analysis
Industry certifications such as CCNP, Network+, or a cloud provider certification

Travel

None required as part of the core responsibilities.

AppGate is An Equal Opportunity/Affirmative Action Employer and a federal contractor subject to the Rehabilitation Act of 1973 and the Vietnam Era Veterans Readjustment Assistance Act of 1974 as amended, and their corresponding regulations. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. Further, AppGate is an affirmative action employer committed to taking positive steps to employ, advance in employment and otherwise afford equal employment opportunity to protected veterans and individuals with disabilities. In furtherance of AppGate’s policy regarding affirmative action and equal employment opportunity, AppGate has developed a written affirmative action program. This program is available for review upon request by any applicant or employee during normal business hours by contacting the company’s EEO Coordinator. www.appgate.com/careers

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