Network Infrastructure Engineer

Gemini Consulting Services
Plano, United States of America
12 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Plano, United States of America

Tech stack

Microsoft Active Directory
User Authentication
Bash
Cloud Computing Security
Computer Security
Dynamic Host Configuration Protocol
Linux
DNS
Monitoring of Systems
Python
Kerberos (Protocol)
Network Security
Network Troubleshooting
Lightweight Directory Access Protocols (LDAP)
Windows Server
Network Architecture
Routing
Network Protocols
Powershell
Broadcom
Zero Trust Network Access
Web Application Security
Security Information and Event Management
Single Sign-On
TCP/IP
Symantec
Scripting (Bash/Python/Go/Ruby)
Transport Layer Security
Connectivity Problems
System Availability
Firewalls (Computer Science)
Web Filtering
Fortinet
Cisco networks

Job description

We are seeking a skilled Network Infrastructure Engineer with strong hands-on experience in Blue Coat Proxy solutions to support and enhance enterprise network security infrastructure. The ideal candidate will have deep expertise in ProxySG administration, secure web gateway technologies, network troubleshooting, and proxy policy management in large-scale enterprise environments., * Design, implement, configure, and support Blue Coat ProxySG / Symantec Proxy solutions.

  • Manage enterprise proxy infrastructure including web filtering, SSL inspection, authentication, and policy enforcement.
  • Monitor and troubleshoot proxy performance, connectivity, and security-related issues.
  • Configure and maintain proxy policies, PAC files, URL filtering, and access controls.
  • Support secure web gateway (SWG) environments and integrate with enterprise security tools.
  • Collaborate with network, security, and infrastructure teams for deployments, upgrades, and migrations.
  • Perform incident response, root cause analysis, and proactive issue resolution.
  • Implement high availability, redundancy, and disaster recovery solutions for proxy infrastructure.
  • Maintain technical documentation, operational procedures, and configuration standards.
  • Participate in change management, patching, and infrastructure lifecycle activities.
  • Ensure compliance with enterprise security policies and industry best practices.

Requirements

  • 5+ years of experience in Network Infrastructure or Network Security Engineering.
  • Strong hands-on experience with Blue Coat ProxySG / Symantec Proxy solutions.
  • Experience with secure web gateway (SWG) technologies and enterprise proxy environments.
  • Strong understanding of TCP/IP, DNS, DHCP, routing, switching, and network protocols.
  • Experience with SSL decryption/inspection and web security policies.
  • Knowledge of authentication methods including LDAP, Active Directory, Kerberos, and SSO integration.
  • Experience troubleshooting proxy, firewall, and network connectivity issues.
  • Familiarity with enterprise security tools such as Palo Alto, Zscaler, Cisco, Fortinet, or Netskope.
  • Experience with Linux and Windows server environments.
  • Strong analytical, troubleshooting, and communication skills.

Preferred Qualifications:

  • Experience with Blue Coat Director or centralized proxy management tools.
  • Scripting or automation experience using Python, PowerShell, or Bash.
  • Exposure to cloud security and hybrid network environments.
  • Relevant certifications such as CCNP, Security+, PCNSA, or Blue Coat certifications.

Environment & Tools:

  • Blue Coat ProxySG
  • Symantec/Broadcom Proxy Solutions
  • Secure Web Gateway (SWG)
  • Palo Alto / Cisco / Fortinet
  • Active Directory / LDAP
  • SIEM and monitoring tools
  • Enterprise networking infrastructure

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