System Administrator

Join a Phoenix-based domain name management company as a Systems Administrator / Network Engineer in a hybrid role (75% remote). This organization manages over 4 million domains and handles more than 1 billion DNS queries daily with their own custom-built DNS platform capable of managing over 100,000 concurrent requests per second. You'll be part of a 4-person IT team supporting Windows server infrastructure, Aruba layer 2 and 3 switches, Palo Alto firewalls, and helpdesk functions for employees across multiple time zones. This is a full-time position located in Phoenix, AZ 85004 with regular on-site requirements at both the office and local data center.

This is the perfect opportunity for a well-rounded technical professional who enjoys variety and wants to make a real impact on critical infrastructure. You'll work with cutting-edge networking technology in a collapsed core network environment where switches handle routing decisions, while also maintaining essential Windows server systems and supporting end users. The team values knowledge sharing and is willing to teach virtualization and hypervisor technologies, making this an excellent growth opportunity. With a small team of 4, you'll have significant visibility and the chance to work on meaningful projects that directly impact the company's ability to serve customers. The 75% remote arrangement offers flexibility while ensuring you're on-site when hands-on work is needed at the Phoenix office or data center.

Required Skills & Experience

5+ years of relevant experience in an advanced server / networking / infrastructure role, OR a relevant Bachelor's Degree with 2+ years of applicable experience

Strong networking fundamentals including configuring and managing layer 2 and layer 3 switches

Proficiency in networking concepts : TCP / IP, DNS, DHCP, LAN / WAN, and NAT

Experience configuring, managing, and troubleshooting firewalls

Windows OS management skills including Windows desktop and server, Active Directory Domain Services (ADDS), Group Policy Objects (GPO), File Server permissions, and PowerShell

Experience with virtualization technologies such as VMware and Hyper-V

Data center hardware administration experience including racking and stacking

Strong problem-solving and critical thinking skills

Excellent documentation and customer service skills

Ability to lift 50 pounds

Must be local to Phoenix Metro area

US Citizenship required (no visa sponsorship available)

Desired Skills & Experience

Experience with Aruba switches (strong preference)

Palo Alto firewall configuration experience (strong preference)

Network segmentation experience

Previous data center experience

Linux / Unix administration experience

Disaster Recovery and Business Continuity planning experience

Experience with security tools : anti-virus, phishing prevention, spam filtering

IIS configuration knowledge

SSL deployment experience

Desired State Configuration tools (Ansible or similar)

VPC and IAM management experience

Cloud architecture design and deployment (Azure, AWS, Google Cloud)

Google Workspace management

Certifications : Palo Alto PCNSE, Cisco CCNA, or comparable

What You Will Be Doing

Tech Breakdown

40% Network Engineering (Aruba switches, Palo Alto firewalls, routing, segmentation)

35% Windows System Administration (Active Directory, O365, patch management, servers)

15% Virtualization & Infrastructure (VMware, Hyper-V, data center hardware)

10% Helpdesk & End User Support (tickets, equipment deployment, troubleshooting)

Daily Responsibilities

60% Hands-On Technical Work (network configuration, server maintenance, troubleshooting)

25% Project Work (infrastructure improvements, new implementations, monitoring enhancements)

15% Support & Documentation (helpdesk escalation, technical documentation, user guides)