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Senior Systems Engineer Jobs in Wisconsin (NOW HIRING)

Faithtechnologies

Senior Engineer, Battery Systems

Menasha, WI · On-site

$106K - $146K/yr

Faith Technologies Inc. (FTI) is searching for a Senior Battery Systems Engineer to join our R&D organization and drive innovation in stationary energy storage solutions for our Product Engineering ...

Flextrade

Senior Citrix Systems Engineer

Milwaukee, WI · On-site

$102K - $140K/yr

The Senior Citrix Engineer position will work directly with our users and management to plan and ... FlexTrade Systems, Inc. does not accept unsolicited resumes from search firm recruiters. Fees will ...

Hikinex

$111K - $152K/yr

As part of the System Engineering Department, the Senior FDIR-FSW Engineer will work with operations, systems, subsystems, and payload engineers to document and review system designs for FDIR. In ...

Baxter

Sr. Principal Systems Engineer

Milwaukee, WI · On-site

As a Sr. Principal Systems Engineer at Baxter, your work contributes directly to making a significant impact on others. It's challenging work-and you're not on your own. Our teams collaborate cross ...

Hikinex

$111K - $152K/yr

As part of the System Engineering Department, the Senior Mission and Operations Satellite System Engineer will participate, and coordinate the work needed for the analysis, planning and definition of ...

Kiongroup

Systems Engineer

Wauwatosa, WI

$96K - $140K/yr

The Systems Engineer is responsible for the technical development, testing, integration, volume and acceptance testing of the overall Dematic solution. This position can be located in a major field ...

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Senior Systems Engineer information

See Wisconsin salary details

$56.5K

$125.9K

$177.6K

How much do senior systems engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for senior systems engineer in Wisconsin is $125,899.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,500.00 and $144,300.00 per year, depending on experience, location, and employer.

What is a senior systems engineer?

A senior systems engineer is an IT (information technology) professional tasked with designing and maintaining network systems and security. Examples include large server or storage systems, computer networks, and mainframes. As a systems engineer, your primary duties are to oversee the daily operations of your facility and lead a team of engineers in designing new systems to replace old ones. You may work for a company that provides engineering services and solutions for other businesses, or you may be part of a large university or other institution's IT department. Skills needed for the career include the ability to work independently, leadership, and analytical problem-solving. A bachelor’s degree in electrical engineering or IT and significant experience in a lower systems engineering position are essential qualifications.

What are the key skills and qualifications needed to thrive as a senior systems engineer, and why are they important?

To thrive as a Senior Systems Engineer, you need expertise in systems architecture, troubleshooting, and network administration, typically supported by a degree in computer science or a related field and several years of relevant experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), automation tools (such as Ansible or PowerShell), and certifications like CompTIA, Microsoft, or Cisco are often required. Outstanding problem-solving, communication, and project management skills help you lead initiatives and collaborate effectively across teams. These competencies are crucial for ensuring system reliability, scalability, and security in complex IT environments.

What are some common challenges faced by senior systems engineers when integrating new technologies into existing infrastructure?

Senior Systems Engineers often encounter challenges such as ensuring compatibility between legacy systems and new technologies, minimizing downtime during migrations, and addressing unforeseen security vulnerabilities. Effective integration requires thorough planning, cross-team collaboration, and detailed testing to avoid disruptions to business operations. Staying current with emerging technologies and adopting best practices for change management are essential for overcoming these challenges and ensuring smooth implementation.

What is the difference between Senior Systems Engineer vs Systems Administrator?

AspectSenior Systems EngineerSystems Administrator
CertificationsCompTIA Security+, Cisco CCNA, Microsoft certificationsCompTIA A+, Network+, Microsoft certifications
Work EnvironmentDesigning, implementing, and troubleshooting complex systemsManaging daily system operations and user support
Industry UsageIT, technology, enterprise environmentsIT support, small to medium businesses

While both roles involve working with IT systems, Senior Systems Engineers focus on designing and implementing complex infrastructure, whereas Systems Administrators handle routine maintenance and user support. The senior role typically requires more advanced certifications and experience, and often involves strategic planning and system architecture.

More about Senior Systems Engineer jobs

What are the most commonly searched types of Systems Engineer jobs in Wisconsin?

The most popular types of Systems Engineer jobs in Wisconsin are:

What are popular job titles related to Senior Systems Engineer jobs in Wisconsin?

For Senior Systems Engineer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Senior Systems Engineer jobs in Wisconsin look for?

The top searched job categories for Senior Systems Engineer jobs in Wisconsin are:

What cities in Wisconsin are hiring for Senior Systems Engineer jobs?

Cities in Wisconsin with the most Senior Systems Engineer job openings:

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For Senior Systems Engineer jobs in WI, the most frequently searched job titles are:

Senior Systems Engineer jobs near you
Infographic showing various Senior Systems Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $125,899 per year, or $60.5 per hour.

Senior Engineer, Battery Systems

Faith Technologies Incorporated (FTI)

Menasha, WI • On-site, Remote

$106K - $146K/yr

Full-time

Re-posted 16 days ago

Faith Technologies rating

8.0

Company rating: 8.0 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

207th of 451 rated engineering

Job description

You've discovered something special. A company that cares. Cares about leading the way in construction, engineering, manufacturing and renewable energy. Cares about redefining how energy is designed, applied and consumed. Cares about thoughtfully growing to meet market demands. And - as "one of the Healthiest 100 Workplaces in America" - is focused on the mind/body/soul of team members through our Culture of Care
Faith Technologies Inc. (FTI) is searching for a Senior Battery Systems Engineer to join our R&D organization and drive innovation in stationary energy storage solutions for our Product Engineering team located in either Phoenix, AZ or Menasha, WI. This role will focus on the design, development, and validation of advanced battery systems for UPS, C&I, and BESS applications. You will lead system-level testing, create validation plans, and collaborate across disciplines to ensure performance, reliability, and safety of integrated battery systems.
About the Product Engineering Team
Our Product Engineering Team sits at the intersection of innovation and execution, transforming ideas into real-world products and solutions for Excellerate Products(tm), a division of Faith Technologies Incorporated (FTI). From early concept through full-scale production, our engineers design Data Center power distribution products, Electric Vehicle charging skids, switchboards and more! With a strong focus on quality, manufacturability, and customer outcomes, we ensure every product is engineered to perform in the real world-safely, reliably, and at scale.
To learn more about our products and services, visit our website: Excellerate Products - Smarter Power Solutions - FTI.
MINIMUM REQUIREMENTS
  • Bachelor's degree in electrical, Mechanical, Chemical, or related engineering discipline.
  • 5+ years of experience in battery system design, architecture, testing, or integration for stationary applications (UPS, BESS, C&I).
  • Strong knowledge of lithium-ion chemistries, battery architectures, and failure modes.
  • Hands-on experience with battery testing and validation protocols.
  • Familiarity with compliance standards and safety regulations for stationary battery systems.
  • Excellent communication skills for cross-functional collaboration and stakeholder engagement.
  • Strong communication skills to provide clear recommendations and guidelines to stakeholders, technical development teams, and testing teams

PREFFERED REQUIREMENTS
  • Master's degree in electrical, Mechanical, or Chemical Engineering.
  • Experience with DFMEA, root cause analysis, and reliability engineering.
  • Knowledge of aging analysis, end-of-life behavior, and thermal management strategies.
  • Experience with performance modeling tools (MATLAB/Simulink, Simscape) and FEA/CFD for thermal and structural analysis.

Travel: 5-10%
Work Schedule: This position works between the hours of 7 AM and 5 PM, Monday- Friday. However, work may be performed at any time on any day of the week to meet business needs.
Work Location: This role requires work to be done Onsite from our Menasha, WI or Phoenix, AZ office. Our onsite roles include a high level of workplace and schedule flexibility to support a healthy work-life balance.
KEY RESPONSIBILITIES
  • Participate in system-level testing of integrated battery systems for UPS, microgrid, EV charging, and data center applications.
  • Develop test plans and protocols to validate battery performance, life, and reliability at cell, module, and pack levels.
  • Conduct and document DFMEA and failure mode analysis for battery systems.
  • Define system-level requirements for size, performance, cost, and compliance for stationary battery systems.
  • Maintain technical documentation, including specifications, selection analysis, and simulation reports.
  • Collaborate with simulation, thermal, and mechanical engineers to define modeling requirements and validate battery architectures.
  • Partner with controls and software teams to establish guidelines for BMS design and integration.
  • Evaluate and benchmark new chemistries and competitive technologies to ensure best-in-class performance.
  • Support verification and validation activities by defining DVP&R for battery system testing.
  • Ensure compliance with industry standards (UL 9540A, UL 1973) and lead risk assessments for product safety.

The job description and responsibilities described are intended to provide guidelines for job expectations and the employee's ability to perform the position described. It is not intended to be construed as an exhaustive list of all functions, responsibilities, skills, and abilities. Additional functions and requirements may be assigned by supervisors as deemed appropriate.
Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time other than the TN1 Visa (Canadian).
#Onsite
How Does FTI Give YOU the Chance to Thrive?
If you're energized by new challenges, FTI provides you with many opportunities. Joining FTI opens doors to redefine what's possible for your future.
Once you're a team member, you're supported and provided with the knowledge and resources to achieve your career goals with FTI. You're officially in the driver's seat of your career, and FTI's career development and continued education programs give you opportunities to position yourself for success.
FTI is a "merit to the core" organization. We recognize and reward top performers, offering competitive, merit-based compensation, career path development and a flexible and robust benefits package.
Benefits are the Game-Changer
We provide industry-leading benefits as an investment in the lives of team members and their families. You're invited to review the full list of FTI benefits available to regular/full-time team members. Start here. Grow here. Succeed here. If you're ready to learn more about your career with FTI, apply today!
Faith Technologies, Inc. is an Equal Opportunity Employer - veterans/disabled.

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