Freelance Remote Firmware Engineer Jobs in Wisconsin

We are seeking an experienced Network Operations Engineer to provide off-hours network support and execute critical infrastructure lifecycle initiatives. This role combines network operations, change execution, hardware refresh activities, and proactive maintenance to ensure a stable and high-performing enterprise network environment.

This is a fully remote opportunity for a dedicated resource who can work independently during overnight hours while collaborating closely with the broader Network Engineering team.

• Provide Tier 1 network operations support during designated off-hours coverage.
• Monitor network health, triage alerts, and resolve issues using established procedures and runbooks.
• Execute approved network changes involving switches, wireless networking, and firewalls.
• Perform firmware upgrades, hardware refreshes, equipment replacements, and patching activities.
• Support remote site teams during network hardware installations and replacements.
• Troubleshoot network connectivity issues across an enterprise environment.
• Document incidents, changes, and resolutions with a high level of accuracy.
• Escalate complex networking issues to senior engineering teams as needed.
• Participate in daily team standups and maintain effective communication with stakeholders.

• Hands-on experience with enterprise network infrastructure, including:
  • Firewalls
  • Routers
  • Switches
  • Wireless networking technologies
• Experience performing:
  • Firewall upgrades
  • Switch upgrades
  • Firmware upgrades
  • Network device replacements
• Strong troubleshooting experience within large-scale enterprise environments.
• Solid understanding of:
  • TCP/IP
  • DNS
  • DHCP
  • VLANs
  • Routing and switching concepts
  • Wireless networking fundamentals
• Experience executing changes within a structured change management process.
• Ability to work independently during off-hours while maintaining strong documentation standards.
• Excellent verbal and written English communication skills.

• Experience with enterprise networking platforms such as:
  • Cisco
  • Juniper
  • Aruba
  • Palo Alto
  • ClearPass
  • Comparable enterprise network technologies
• Previous experience supporting hardware lifecycle management and infrastructure refresh initiatives.

Coverage Hours:

• Sunday through Thursday
• 12:30 AM – 9:30 AM CST

Training & Onboarding:

• Approximately the first month will be conducted during standard business hours (Monday–Friday, 8:00 AM – 5:00 PM CST) to support onboarding and knowledge transfer.
• Attendance at daily team standups is required.

This is a Contract position based out of Brookfield, WI.

The pay range for this position is $30.00 - $50.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

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)

This is a fully remote position.

This position is anticipated to close on Sep 11, 2026.

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.

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.