System and Network Administrator

Salary

$130,000 - 175,000

About the role

Seeking a versatile and highly skilled Systems and Network Administrator to design, secure, and maintain our hybrid enterprise infrastructure. In this role, you will serve as the technical backbone of our operations, taking ownership of everything from on-premises Cisco/Juniper networking and Palo Alto security systems to Windows Server administration and Microsoft Azure cloud environments. The ideal candidate is a proactive, well-rounded engineer who thrives on bridging the gap between local hardware and cloud services, ensuring a seamless, secure, and highly reliable environment across the entire system lifecycle.

Responsibilities

• Configure, maintain, and troubleshoot Juniper and Cisco switches, routers, and wireless infrastructure.
• Administer and support Palo Alto firewalls, including security policies, NAT rules, VPNs, and threat prevention features.
• Manage sitetosite and remote access VPNs, ensuring secure and reliable connectivity.
• Maintain accurate documentation of firewall rules, server configurations, network diagrams, and cloud architectures.
• Support Azure-native backup, recovery, and logging tools (Azure Monitor, Log Analytics, Azure Backup).
• Implement and enforce system and network security policies, network segmentation, access controls, and Principle of Least Privilege.
• Maintain up-to-date configuration records in the CMDB.
• Follow established change management processes for all network, system, and cloud modifications.
• Assist in planning and executing infrastructure upgrades, migrations, and new deployments.

Requirements

• Minimum Qualifications:
  • Bachelor's Degree in Information Technology, Computer Science, other relevant field, or equivalent relevant experience; Master's Degree preferred.
  • Advanced computing certification preferred.
  • 8-15 years of experience in Systems Engineering/Analysis.
• Other Job Specific Skills:
  • Systems Experience: Strong experience administering Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and server security benchmarking.
  • Cloud Experience: Hands-on experience with Microsoft Azure administration (virtual machines, virtual networks, Entra ID, storage, and IAM).
  • Network Experience: Solid working knowledge of Cisco networking (Catalyst/Nexus switches, routers, wireless) and Juniper switches.
  • Firewall Experience: Direct experience configuring and supporting Palo Alto Networks firewalls (PAN-OS, Panorama preferred).
  • Core Concepts: Solid understanding of TCP/IP, VLANs, routing protocols (OSPF, BGP), VPN technologies, and defense-in-depth security principles.
  • Tools: Experience with network/system monitoring and troubleshooting tools (e.g., SolarWinds, Wireshark, Azure Monitor, Event Viewer).
  • Documentation: Strong ability to read, update, and maintain detailed network/system diagrams and operational documentation.
  • OS Support: Ability to support Windows, macOS, and Linux endpoints connected to enterprise networks.

Skills

• Systems Experience: Strong experience administering Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and server security benchmarking.
• Cloud Experience: Hands-on experience with Microsoft Azure administration (virtual machines, virtual networks, Entra ID, storage, and IAM).
• Network Experience: Solid working knowledge of Cisco networking (Catalyst/Nexus switches, routers, wireless) and Juniper switches.
• Firewall Experience: Direct experience configuring and supporting Palo Alto Networks firewalls (PAN-OS, Panorama preferred).
• Core Concepts: Solid understanding of TCP/IP, VLANs, routing protocols (OSPF, BGP), VPN technologies, and defense-in-depth security principles.
• Tools: Experience with network/system monitoring and troubleshooting tools (e.g., SolarWinds, Wireshark, Azure Monitor, Event Viewer).
• Documentation: Strong ability to read, update, and maintain detailed network/system diagrams and operational documentation.
• OS Support: Ability to support Windows, macOS, and Linux endpoints connected to enterprise networks.

Preferred Qualifications

• Cloud Certifications: Microsoft Certified: Azure Administrator Associate (AZ-104) or equivalent.
• Network & Security Certifications:
  • Palo Alto certifications (PCNSA, PCNSE).
  • Cisco certifications (CCNA, CCNP).
  • Juniper Networks certifications (JNCIA, JNCIS, or JNCIP).
• Scripting & Automation: Familiarity with PowerShell, Azure CLI, or infrastructure-as-code tools (Terraform/ARM templates) for automation.
• Modern Security: Experience with Zero Trust concepts, Multi-Factor Authentication (MFA), Single Sign-On (SSO), and modern security architectures.
• Soft Skills: Strong troubleshooting skills, excellent documentation/communication skills, and the ability to work independently on complex, multi-site infrastructure tasks.