Senior IT Engineer Jobs in Wisconsin
Senior IT Engineer jobs in Wisconsin are concentrated in Milwaukee, Madison, and Green Bay, where employers like Northwestern Mutual, Epic Systems, and Fiserv maintain large technology teams that need experienced infrastructure, network, and cloud specialists. Demand is consistent at the senior level, with the strongest needs in cloud architecture, cybersecurity, and enterprise systems integration. Wisconsin's financial services, health IT, and fintech sectors drive much of the hiring outside the public sector. Find a role that fits below and apply directly.
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Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.
Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.
Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.
At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future!
What We Offer
At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:
Competitive compensation and benefits
Work-life flexibility
Recognition and rewards
Development and career opportunities
A safe and inclusive workplace
Why You Will Love this Job
The Senior IT Architect - Software Engineering and Integrations provides enterprise architecture leadership for software development, integrations, APIs, middleware, SAP-related solutions, and cloud platforms. The role defines technical standards and solution patterns, leads architecture and design governance, oversees MSP providers and vendors, and ensures secure, scalable, high-quality delivery aligned with business priorities, Rehlko architecture principles, service levels, and operational excellence.
Specific Responsibilities:
Software Development and Integration Strategy: Define and implement software development and integration strategies that align with business goals, enterprise architecture principles, security standards, and the broader technology landscape.
Solution and Architecture Design: Develop and maintain architecture and solution blueprints for custom applications, APIs, integrations, middleware platforms, SAP extensions, and cloud-based solutions.
Technical Project Leadership: Lead software development and integration projects from architecture through delivery, including planning, technical direction, execution oversight, and alignment with project timelines, budgets, and quality expectations.
Technical Oversight: Provide architectural guidance, technical leadership, and delivery oversight to internal developers, integration specialists, MSPs, and vendors performing hands-on software development and integration work.
Middleware Management: Oversee the selection, implementation, and management of middleware solutions to ensure seamless communication between systems.
Collaboration: Work closely with business and IT stakeholders to understand integration requirements and translate them into technical specifications.
MSP Provider Leadership and Governance: Lead, coordinate, and oversee MSP providers to ensure delivery of software development, integration, support, and operational activities in line with agreed scope, project requirements, timelines, service levels, quality standards, security expectations, and Rehlko architecture principles.
Quality Assurance: Conduct architecture, design, and code reviews to ensure high-quality software and integration solutions, adherence to best practices, maintainability, scalability, security, and compliance with standards.
Troubleshooting and Support: Identify and resolve integration issues, ensuring minimal disruption to business operations.
Documentation: Maintain comprehensive documentation of integration processes, architecture, and configurations.
Continuous Improvement: Stay updated with the latest integration technologies and trends and continuously improve integration processes and solutions.
Risk Management: Identify potential risks in integration projects and develop mitigation strategies.
Qualifications:
Bachelor's degree in Information Technology
15+ years IT experience including 3 – 5+ years showing success as technical lead in concurrent projects.
Significant depth of expertise and track record of accomplishments in multiple IT technology areas
Applicants must be authorized to work in the US without requiring sponsorship now or in the future
The Salary range for this position is $129,150.00-$165,000.00.The specific Salary rate offered to a candidate may be influenced by a variety of factors including the candidate’s experience, their education, and the work location.
About Us
Rehlko proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another. Learn more about Rehlko at http://www.rehlko.com/who-we-are .
In addition to the investment in your development, Rehlko offers a benefits package including a competitive salary, health, vision, dental, 401(k) with Rehlko matching, and more!?
Rehlko is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, without regard to race, creed, color, ethnicity, religion, sex, pregnancy, childbirth, or related medical conditions, genetic information, age, national origin, citizenship, ancestry, caste, mental or physical disability, marital or familial status, sexual orientation, gender identity or expression, genetic information, political belief or affiliation, union membership status, military status, veteran status, or any other characteristic protected by national, state, local, or other applicable laws.
Americans with Disabilities Act (ADA)
It is the policy of Rehlko to comply with all applicable provisions of the Americans with Disabilities Act (ADA) and corresponding national, state, local, or other applicable laws. Rehlko will not discriminate against any qualified associate or applicant with respect to any terms, privileges, or conditions of employment because of a person's physical or mental disability. Rehlko will provide a reasonable accommodation to associates or applicants with disabilities, in accordance with applicable laws. If you have a disability and require an accommodation in the application process or during the course of employment, please contact EnergyJobs@rehlko.com. Rehlko is an equal opportunity/affirmative action employer.
Our Values
Curiosity – Seek, learn, share
Trust – Go farther together
Pace – Focus to go faster
Excellence – Find the win every day
See All 26 Senior IT Engineer Jobs in Wisconsin
Find roles in Wisconsin that match your experience and apply in just a few clicks.
Find Senior IT Engineer JobsSenior IT Engineer Jobs by City in Wisconsin
Where Wisconsin roles are concentrated, by current openings.
Senior IT Engineer Job Market in Wisconsin
A snapshot from current Wisconsin openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
- Manufacturing
- Accounting & Auditing
- Technology & Software
What Wisconsin Employers Look For
The qualifications that appear most often in senior IT engineer jobs across Wisconsin.
- Bachelor's degree in computer science, information technology, or a closely related engineering field
- Seven or more years of hands-on experience in enterprise IT infrastructure or systems engineering
- Demonstrated expertise in cloud platforms such as AWS, Azure, or Google Cloud environments
- Relevant industry certifications like CISSP, CCNP, or Microsoft Azure Solutions Architect preferred
- Strong experience designing and maintaining secure, high-availability network and server environments
- Ability to lead technical projects and mentor junior engineers across cross-functional teams
Senior IT Engineer Jobs in Wisconsin: Frequently Asked Questions
How do you become a senior it engineer in Wisconsin?
A bachelor's degree in computer science, information systems, or electrical engineering is the standard entry point for the Wisconsin IT career path. There is no state-issued license required to work as a senior it engineer in Wisconsin, so advancement depends on accumulated experience and industry certifications. Earning credentials like CompTIA Security+, CCNP, or AWS Solutions Architect alongside several years of hands-on infrastructure or systems work is the most direct route to senior-level roles at Wisconsin employers.
Which companies hire senior it engineers in Wisconsin?
Companies currently hiring senior it engineers in Wisconsin include Uline, Baker Tilly Canada, and Oshkosh Corporation, per current listings on Migrate Mate as of September 2026. Wisconsin's concentration of financial technology firms, health IT companies, and large insurance organizations means senior engineers who know regulated-industry environments are especially in demand.
Which Wisconsin cities have the most senior it engineer jobs?
Milwaukee, Pleasant Prairie, and Madison have the most senior it engineer openings in Wisconsin. Milwaukee leads because of its dense cluster of financial services, insurance, and fintech headquarters, while Madison's market is fueled by Epic Systems, state government IT, and the University of Wisconsin's expanding research and administrative technology operations.
Are there remote senior it engineer jobs in Wisconsin?
Yes, and more than most fields. About 69% of senior it engineer openings tied to Wisconsin are remote or hybrid as of September 2026, reflecting how much of the work involves cloud platforms, system administration, and architecture that can be done without being on-site. Roles requiring hands-on data center work or physical network installation still lean toward in-person, but purely software-defined infrastructure and security engineering positions are frequently offered remotely.
How can I get hired as a senior it engineer in Wisconsin with little or no experience?
The most realistic entry path is landing a help desk, systems administrator, or junior network engineer role at a Wisconsin employer and building documented hands-on experience from there. Large Wisconsin institutions like Epic Systems, Fiserv, and UW Health regularly bring on associates and entry-level IT staff through structured onboarding programs. Earning CompTIA A+ or Network+ certifications before applying signals technical readiness and gives candidates without a long resume a credible credential to anchor their application.
Where can I find and apply to senior it engineer jobs in Wisconsin?
You can find and apply to senior it engineer jobs in Wisconsin on Migrate Mate, which lists current Wisconsin openings across the state's major hiring markets. Find the roles that fit your experience and apply directly.
See All 26 Senior IT Engineer Jobs in Wisconsin
Find roles in Wisconsin that match your experience and apply in just a few clicks.
Find Senior IT Engineer Jobs