Intern Packet Core Network Engineer Jobs in Wisconsin

Position Summary

We are seeking a senior-level Network Architect to drive enterprise networking strategy, design, and modernization efforts. This role is heavily focused on architecture, cloud networking, and SaaS integration, with opportunities to lead high-impact initiatives and mentor junior engineers.

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Core Focus Areas

• Architecture & Design: Lead enterprise-level network design and strategic initiatives.
• Cloud & SaaS Integration: Build, secure, and connect modern SaaS applications.
• Collaboration Evolution: Transitioned from Cisco CUCM/Jabber to Microsoft Teams telephony.
• Technical Leadership: Provide mentorship and establish engineering best practices.

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Key ResponsibilitiesStrategic Initiatives

• Modernize data centers and colocation environments.
• Replace end-of-life core networking infrastructure.
• Design and implement secure SaaS gateway architectures.
• Implement micro-segmentation to enhance network security.

Operations & Engineering

• Design, build, and support enterprise networking systems (voice, data, video).
• Support Microsoft 365 tenant and Teams telephony integrations.
• Engineer and manage VoIP solutions, including SIP gateways and QoS.
• Configure and support contact center routing within CCaaS platforms.
• Monitor network environments and respond to incidents to ensure uptime.
• Troubleshoot complex network and service provider issues.

Vendor & Project Management

• Manage external vendors (e.g., CDW) for patching, maintenance, and support.
• Ensure project delivery aligns with scope, cost, and architectural standards.
• Contribute to disaster recovery planning and execution.

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Technology Environment

• Networking: Cisco (routers/switches), Meraki (wireless), Fortinet/FortiGate, FortiManager
• Cloud & Collaboration: Microsoft 365, Microsoft Teams
• Infrastructure: Data centers, colocation, hybrid environments
• Telephony: VoIP, SIP, CCaaS solutions

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Ideal Candidate Profile

• 7+ years of experience in network engineering and architecture.
• Strong background in enterprise network design and implementation.
• Proven ability to lead complex technical projects end-to-end.
• Experience mentoring junior engineers and influencing technical direction.
• Comfortable operating across both strategic planning and hands-on support.
• Experience in hybrid/cloud networking environments.
• Able to work in a hybrid model (within ~40–50 miles of office locations preferred).

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Key Skills

Core:

• Network Engineering & Architecture
• Firewalls & Security (Fortinet preferred)
• Routing & Switching (Cisco)
• Troubleshooting complex enterprise environments

Additional:

• Data Center Networking
• Wireless (Meraki)
• VoIP / Telephony (Teams, SIP)
• Infrastructure Modernization
• Vendor Management

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What You’ll Do Day-to-Day

• Lead technical support and optimization of enterprise communications systems.
• Design and implement complex voice, video, and data network solutions.
• Build and maintain resilient, scalable network architectures.
• Troubleshoot and resolve critical network issues.
• Collaborate cross-functionally on infrastructure and cloud initiatives.
• Ensure adherence to ITIL processes and operational best practices.

Job Type & Location

This is a Contract to Hire position based out of Milwaukee, WI.

Pay and Benefits

The pay range for this position is $50.00 - $65.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Milwaukee,WI.

Application Deadline

This position is anticipated to close on Jun 30, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.