Senior Hybrid Systems & Network Administrator

Dunhill Professional Search & Government Solutions; Germantown (MD); On-site; USD 130,000 - 175,000; Full time

Job summary

Dunhill Professional Search & Government Solutions is seeking a versatile Systems and Network Administrator to design, secure, and maintain a hybrid enterprise infrastructure. The role covers on‑prem Cisco/Juniper networking, Palo Alto security, Windows Server administration, and Azure cloud environments.

The candidate should bridge local and cloud environments, ensuring a secure, reliable system lifecycle and seamless operations across on‑premises and cloud resources.

Qualifications

• Bachelor's degree or equivalent in IT/CS; advanced degree preferred.
• 8–15 years in Systems Engineering/Analysis required.
• Advanced computing certification preferred.

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 site to site and remote access VPNs, ensuring secure and reliable connectivity.
• Monitor network performance, availability, and capacity using approved tools.
• Perform routine maintenance, firmware upgrades, and hardware lifecycle tasks for network devices.
• Install, configure, and maintain Windows Server operating systems (2016/2019/2022) across physical and virtual environments.

Skills

Windows Server

Azure

Cisco

Juniper

Palo Alto

Active Directory

Entra ID

IAM

VPNs

DNS/DHCP

PKI

SolarWinds

Wireshark

Azure Monitor

Event Viewer

Education

Bachelor's Degree in IT/CS or related

Master's Degree preferred

Tools

SolarWinds

Wireshark

Azure Monitor

Event Viewer

Job description

Dunhill Professional Search & Government Solutions is seeking a versatile Systems and Network Administrator to design, secure, and maintain a hybrid enterprise infrastructure. The role covers on‑prem Cisco/Juniper networking, Palo Alto security, Windows Server administration, and Azure cloud environments.

The candidate should bridge local and cloud environments, ensuring a secure, reliable system lifecycle and seamless operations across on‑premises and cloud resources.