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# AppGate Engineer

- **Company:** Nicholson Strategic Solutions LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Agile Methodology, Ubuntu (Operating System), Linux, Domain Name System (DNS), Internet Protocol Security (IP SEC), Intrusion Detection Systems, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Lightweight Directory Access Protocols (LDAP), OpenID, Public Key Infrastructure, Windows PowerShell, Red Hat Enterprise Linux, Zero Trust Network Access, Security Assertion Markup Language (SAML), TCP/IP, Transport Layer Security, Firewalls (Computer Science), Infrastructure as Code (IaC), Kubernetes, Information Technology, Restful APIs, Terraform, Cisco, Docker, Vulnerability Analysis
- **Published:** August 10, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8709054/appgate-engineer

## About the Role

· Must currently possess and be able to maintain an active DoD SECRET security clearance. (US Citizenship required)

· Holds an active DoD 8570 IAT-II certification

· Appgate SDP Administrator certification

· Typically requires BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. A combination of education and experience will be considered in lieu of a degree.

· 5 or more years' experience with 2 or more of the following technologies:

· Zero Trust & Appgate: Appgate Secure Access (SDP/ZTNA), Single Packet Authorization (SPA), Context-based Policies, Zero Trust Architecture, Access Control.

· Cisco RAVPN solutions

· Automation & Scripting: Terraform, Python, PowerShell, RESTful APIs, Infrastructure as Code (IaC).

· Demonstrated experience working within the Agile framework.

Preferred Qualifications:

· Prior experience working within Army's IT infrastructure.

· Direct or indirect experience working on the Joint Regional Security Stacks.

· Networking & Security: TCP/IP, DNS, VPN (IPSec, SSL), Firewalls, IDS/IPS, LDAP, RADIUS, SAML, OIDC, PKI, TLS.

· Operating Systems: Linux (e.g., RHEL, Ubuntu), Windows.

· Containerization: Docker, Kubernetes

## Description

· Build and maintain new APPGate environment for the AGUN program.

· Mentor junior members of the team in rolling out and maintaining new solutions / Implementations.

· Work with O&M team to develop and Maintain knowledge base and TTPs.

· Work with security teams to secure AppGate environments with the latest patches and configurations.

· Develop and maintain APPGATE best practices.

· Work with other engineering disciplines to troubleshoot enterprise issues with in the AGUN environment.

· Performed vulnerability scans and implemented patching strategies to secure network infrastructure.


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