Network Administrator II

Company: MI Windows and Doors
Location: Harrisburg
Posted on: June 18, 2026

Job Description:

Job Description

Network Administrator II

The Network Administrator II role is responsible for ensuring the stability, integrity, security, and efficient operation of the organization's network infrastructure, including WAN, LAN, WLAN, VPN, and Network Security systems. This role supports core business functions by designing, installing, configuring, administering, and fine-tuning network components across the enterprise in a timely and effective manner. The Network Administrator applies strong communication, analytical, and problem-solving skills to identify, communicate, and resolve issues while maximizing the value of IT investments.

Empower a Reliable, Secure, and Scalable Enterprise Network

MITER Brands , also known as Milgard, MI Windows & Doors, and PGTI, is one of the nation's largest residential vinyl and composite window and door manufacturers, providing a leading portfolio of brands for the new construction and replacement markets-and we're growing.

This 100% onsite position based in Harrisburg or Gratz, PA is ideal for a hands-on network professional who thrives on solving complex problems and building resilient infrastructure. You'll play a critical role in ensuring the stability, performance, and security of enterprise-wide network systems that support core manufacturing and business operations.

In this role, you'll design, implement, and support a modern network environment spanning WAN, LAN, WLAN, VPN, and Network Security technologies. You'll collaborate closely with IT peers and business stakeholders while helping drive continuous improvement across the organization's network ecosystem.

Anticipated Pay Range: $85,000 - $106,000 annually, depending on experience and qualifications.

As our Network Administrator II, you will:

• Design, configure, deploy, and maintain enterprise network infrastructure, including routers, switches, wireless controllers, access points, firewalls, and security platforms
• Troubleshoot and resolve complex hardware, software, and connectivity issues across network and security environments
• Support and enhance perimeter and internal security solutions such as wireless authentication, intrusion detection, antivirus, email filtering, and web security systems
• Monitor network performance, analyze trends, and deliver reporting to support availability, reliability, and scalability goals
• Partner with system administrators, database teams, and application owners to ensure seamless integration and optimal performance
• Review, test, and deploy firmware updates, security signatures, IOS upgrades, and vendor patches following best practices
• Ensure compliance with internal policies, security standards, configuration guidelines, and licensing requirements
• Participate in and co-lead network process improvements and cross-functional IT initiatives
• Research and evaluate new network technologies and hardware to support procurement and long-term strategy
• Document work and manage tasks, projects, and incidents using help desk and ticketing systems
• Provide after-hours and on-call support as required to maintain critical services

What You Bring

• One of the following:University degree or college diploma in Information Technology with 3+ years of IT experienceTechnical diploma or certificate in Information Technology with 5+ years of IT experience
• Strong hands-on experience with network devices (routers, switches, access points, firewalls)
• Solid understanding of networking fundamentals (subnetting, VLANs, routing, topology, network design)
• Working knowledge of VPNs, web/email filtering tools, and cloud-based network solutions
• Experience supporting Windows desktop and server environments (Windows 7-11, Server )
• Proficiency with Microsoft 365, Office, SharePoint, and Active Directory
• Strong analytical, troubleshooting, and problem-solving skills
• Ability to work independently while collaborating across teams
• Excellent written, verbal, and interpersonal communication skills
• Customer-focused mindset with the ability to explain technical concepts clearly

Preferred Experience

• 3+ years of experience in a Network Administrator role
• Exposure to ITIL processes and service management frameworks
• Experience with IT Service Desk tools (ServiceNow, ManageEngine, Remedy)
• Experience supporting VOIP or phone systems (Cisco, Avaya)
• Strong understanding of enterprise hardware, software, and network support practices

What We Offer

Our benefits package includes coverage of your health, wealth, and wellness for you and your eligible spouse/dependents. We offer a competitive salary and benefits package, including a 401k with company match and generous paid time off to help you balance your life. Below is a list of benefits you will enjoy while working with our company.

- Three comprehensive Medical plan options

Prescription

Dental

Vision

- Company Paid Life Insurance

- Voluntary Life Insurance

- Supplemental Hospital Indemnity, Critical Illness, and Accident Insurance

- Company-paid Short-Term Disability

- Company-paid Long-Term Disability

- Paid time off (PTO) and paid Holidays

- 401k retirement plan with company match

- Employee Assistance Program

- Teladoc

- Legal Insurance

- Identity Theft Protection

- Pet Insurance

- Team Member Discount Program

- Tuition Reimbursement

- Yearly Wellness Clinic

MITER Brands, also known as MI Windows and Doors, Milgard and PGT Industries are an equal-opportunity employer. The company does not discriminate based on religion, race, creed, color, national origin, sex, age, disability, handicap, veteran status, sexual orientation, genetic information, or any other applicable legally protected category.

Keywords: MI Windows and Doors, Wheaton-Glenmont , Network Administrator II, IT / Software / Systems , Harrisburg, Maryland