Network Administrator III

ADP; Colwich (KS); On-site; USD 80,000 - 120,000; Full time

Job summary

ADP in Colwich, Kansas is seeking a Network Administrator III to design, manage and optimize our on-premise network and server infrastructure, ensuring high availability and strong security. The role collaborates with Systems, Applications and Security teams to align IT provisioning with company goals.

You will build and maintain Palo Alto firewall, VPN, Cisco routing/switching, and Windows Server environments, perform security audits, support disaster recovery, and mentor junior staff while

Qualifications

• High school diploma required
• Bachelor’s degree in Computer Science or related field preferred
• Microsoft/Cisco/Palo Certifications preferred
• 6+ years’ experience with Microsoft Server administration required
• 4+ years’ experience with network/server administration required
• Active Directory, Windows client/server platforms experience required
• Experience with Cisco networking technologies, including security, routing, switching & voice systems required

Responsibilities

• Build and maintain network infrastructure including Palo Alto firewall, VPN, and Cisco routing/switching/phone architecture and Windows Server architecture
• Serve as network engineering interface for Systems administrators and other teams to implement desktop and server systems
• Manage communications and connection solutions including workstation connectivity and intranet
• Oversee direction to optimize infrastructure & applications ecosystem
• Build and support LAN/WAN environment and perform security audits
• Collaborate with business on IT support for special projects (acquisitions, deployments)

Skills

Active Directory

Windows Server administration

Cisco networking

OSI model

English proficiency

Education

Bachelor’s degree in Computer Science or related field

High school diploma

Microsoft/Cisco/Palo Certifications

Tools

Palo Alto Firewall

VPN / Always-On VPN

Cisco routing & switching

Windows Server architecture

Active Directory

Job description

The Network Administrator III role is responsible for designing, managing and optimizing in-house network and computer systems to ensure high levels of availability and security of the IT infrastructure. This individual also participates in the planning and implementation of policies and procedures to ensure system and network provisioning and maintenance that is consistent with company goals, industry best practices, and regulatory requirements. Perform all responsibilities in accordance with ICM’s corporate values of Innovation, Ownership, Humility, Collaboration, and Stewardship.

ESSENTIAL FUNCTIONS AND BASIC DUTIES:

Administration

• Build and maintain network infrastructure, including Palo Alto firewall, VPN, and Cisco route/switch/phone architecture as well as Microsoft Windows Server architecture and the hardware associated with it.
• Serve as network engineering interface for Systems administrators, business application administrators, and database administration functions to implement desktop and server systems that utilize industry best practices to meet corporate objectives
• Manage communications and connection solutions, including workstation connectivity, local area networks, company web sites, intranet, and internet application
• Oversee direction/support to optimize infrastructure & applications ecosystem
• Build and support LAN/WAN environment, including wireless and Always-On VPN, as well as perform recurring network and security audits
• Integrate with business to provide IT support for special projects (i.e., business acquisition/divestiture, systems deployments, etc.)

Team

• Tier III escalation for complex issues
• Serve as primary network engineer interface for overlapping responsibilities with System Admin + Security Admin resources
• Participate in collaborative, team-based approach to provide effective IT services delivery

Governance

• Support disaster recovery/business continuity programs as well as long term strategic goals and planning
• Ensure system configurations are consistent with company goals, industry best practices, and any regulatory or compliance requirements

QUALIFICATIONS:

Education & Certifications

• High school diploma required
• Bachelor’sdegree in Computer Science or related field preferred
• Microsoft/Cisco/Palo Certifications preferred

Knowledge & Experience

• 6+ years’ experience with Microsoft Server 2016/2019/2022/2025 administration required
• 4+ years’ experience with network/server administration required
• Active Directory, Windows client/server platforms experience required
• Experience with Cisco networking technologies, including security, routing, switching & voice systems required
• Proficiency with OSI model required
• Experience with Tier 1 networking carrier preferred

WORK TYPE

• Job is primarily on-premise, based out of Company’s headquarters (Colwich, Kansas)

SKILLS & ABILITIES

Communication & Interpersonal

• Strong written and oral communications
• Exceptional listening and interpersonal skills
• Ability to communicate ideas in both technical and user-friendly language
• Must be fluent in English
• Proficiency in Portuguese and Spanish is beneficial

Customer Service & Teamwork

• Exceptional customer-service orientation
• Ability to quickly prioritize and adapt within a creative, fast-paced/dynamic environment
• Experience integrating into a collaborative, team-oriented culture

Analytical Research & Problem Solving

• Well-organized and keen attention to details
• Proven analytical and problem-solving abilities
• Ability to comprehensively research issues, systems and processes across both technical and business disciplines
• Adept at reading, writing, and interpreting technical documentation and procedure manuals

Leadership & Initiative

• Action-oriented and highly self-motivated
• Structured, process-minded thinker
• Goal-oriented mindset
• Ability to coach, mentor, and motivate team members and contractors, influencing them to take positive action and accountability

TRAVEL REQUIREMENTS

• Must possess valid driver’s license with no restrictions
• Role may require up to 10% Travel (remote site visits and/or conferences & training)