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Senior Systems Software Engineer Jobs in Wisconsin

Abbott

Sr. Software Engineer

Madison, WI · On-site

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... Bachelor's Degree in Data Science, Computer Science, Information Systems, Mathematics, or ...

Fiserv, Inc.

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

Senior Software Engineer EMPLOYER: Fiserv Solutions, LLC LOCATION: Milwaukee, WI (and various ... Design, code, and integrate new functionalities into existing systems as well as build new systems ...

6AM City, LLC

WI · On-site

$85 - $125/hr

In this role, you'll join an Agile Scrum team responsible for the design and development of real-time embedded systems for automated cutting and assembly machinery. The Senior Software Developer will ...

New

Abbott

Sr. Software Engineer

Madison, WI

$123K - $162K/yr

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity ... Bachelor's Degree in Data Science, Computer Science, Information Systems, Mathematics, or ...

Leinenkugel's

Sr. Software Engineer - Salesfore

Milwaukee, WI · Hybrid

$120K - $159K/yr

In the role of Sr. Software Engineer - Salesforce working in Milwaukee, WI you will be part of the ... You are proactive and curious, with a drive to understand systems and how they elegantly support ...

RePurpose Global

Senior Software Engineer

Oregon, WI · On-site

$160 - $200/hr

As a Senior Software Engineer at rePurpose, you will play a central role in architecting and scaling our platform -- building the reliable, high-performance systems that power compliance workflows ...

New

Molson Coors

Sr. Software Engineer - Salesfore

Milwaukee, WI · Hybrid

$120K - $159K/yr

In the role of Sr. Software Engineer - Salesforce working in Milwaukee, WI you will be part of the ... You are proactive and curious, with a drive to understand systems and how they elegantly support ...

Directsupply

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

In the Senior Software Engineer position, you'll lead the development of intelligent, adaptive, and ... Architect and scale AI-enhanced systems, ensuring security, scalability, and high performance.

Direct Supply, Inc.

Senior Software Engineer

Milwaukee, WI · On-site

$120K - $159K/yr

In the Senior Software Engineer position, you'll lead the development of intelligent, adaptive, and ... Architect and scale AI-enhanced systems, ensuring security, scalability, and high performance.

Molson Coors

Sr. Software Engineer - Salesfore

Milwaukee, WI · Hybrid

$120K - $159K/yr

In the role of Sr. Software Engineer - Salesforce working in Milwaukee, WI you will be part of the ... You are proactive and curious, with a drive to understand systems and how they elegantly support ...

Kiongroup

Senior Systems Engineer

Wauwatosa, WI · On-site

$113K - $166K/yr

Collaborate closely and stay aligned with product management, mechatronics engineering, software ... Understanding of V-model systems engineering process. * Experience with Application Lifecycle ...

Kiongroup

Senior Systems Engineer

Wauwatosa, WI

$113K - $166K/yr

Collaborate closely and stay aligned with product management, mechatronics engineering, software ... Understanding of V-model systems engineering process. * Experience with Application Lifecycle ...

GE HealthCare

Senior Software Engineer

Waukesha, WI · On-site

$122K - $161K/yr

Summary As a Senior Software Engineer, you will own the design, development, and delivery of next ... Plan and perform integration activities at component, sub-system, and system levels. Document ...

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All JobsSystems Software Engineer JobsSenior Systems Software Engineer JobsSenior Systems Software Engineer Jobs in Wisconsin

Senior Systems Software Engineer information

See Wisconsin salary details

$88.3K

$136.6K

$191.3K

How much do senior systems software engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior systems software engineer in Wisconsin is $136,555.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,000.00 and $161,500.00 per year, depending on experience, location, and employer.

What is a senior systems software engineer?

A Senior Systems Software Engineer is an experienced professional who designs, develops, and maintains system-level software such as operating systems, embedded systems, and network protocols. They are responsible for ensuring that software interacts efficiently with hardware, optimizing performance, and troubleshooting complex issues. Senior engineers often lead technical projects, mentor junior team members, and collaborate with cross-functional teams to deliver robust software solutions.

What are some common challenges faced by senior systems software engineers and how can they be addressed?

Senior Systems Software Engineers often encounter challenges such as integrating legacy systems with modern technologies, optimizing system performance under tight resource constraints, and ensuring robust security in complex environments. These challenges can be addressed by staying current with industry best practices, collaborating closely with cross-functional teams (like DevOps and Security), and regularly participating in code reviews and architecture discussions. Leveraging automation tools and maintaining thorough documentation also help in efficiently managing and scaling large, distributed systems.

What are the key skills and qualifications needed to thrive as a senior systems software engineer?

To thrive as a Senior Systems Software Engineer, you need deep expertise in computer science, operating systems, and programming languages like C/C++, often supported by a relevant degree and extensive experience. Familiarity with version control systems (e.g., Git), build automation tools, and debugging/profiling utilities is typically required, and certifications in systems programming or cloud platforms can be advantageous. Exceptional problem-solving, collaboration, and communication skills set standout engineers apart by enabling them to navigate complex systems and coordinate effectively with cross-functional teams. These skills are vital for building robust, efficient software solutions that meet business and technical requirements in demanding environments.
What cities in Wisconsin are hiring for Senior Systems Software Engineer jobs? Cities in Wisconsin with the most Senior Systems Software Engineer job openings:
Infographic showing various Senior Systems Software Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $136,555 per year, or $65.7 per hour.

Sr. Software Engineer

Abbott

Madison, WI • On-site

$123K - $162K/yr

Full-time

Posted 5 days ago

Abbott rating

7.8

Company rating: 7.8 out of 10

Based on 137 frontline employees who took The Breakroom Quiz

180th of 536 rated manufacturers

Job description

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 115,000 colleagues serve people in more than 160 countries.
JOB DESCRIPTION:
As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity in a wide range of technical areas. This role will have a lead role in the design, development, and testing of software applications for Abbott Cancer Diagnostics, creating expert design concepts and foolproof debugging.
This role will be able to resolve most issues and problems effectively with minimal oversight, communicate effectively with business stakeholders and mentor junior team members. This role will routinely make key decisions for the team, be accountable for application quality, and be highly productive.
Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established design control processes and good engineering practices. You will design and create engineering specifications for building software programs based on a broad knowledge of information systems and determine what development methodology to use after documenting software requirements.
An ideal candidate will be comfortable growing others on the team as an informal leader. They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring as it relates to building out microservices. Experience with Maven is a plus, as is experience with Kafka and/or HL7 and FHIR.
This position is based in our Madison, WI office location.
Essential Duties
Include, but are not limited to, the following:
  • Demonstrate strong working knowledge, skills, and understanding of practices for complex programs and initiatives demonstrating creativity and substantial understanding of specialized techniques, processes, procedures.
  • Troubleshoot issues and problems of medium complexity for major software applications; break down complex tasks, make reasonable decisions, investigate and fix bugs, and operate independently.
  • Initiate independent designs that impact and influence the department's delivery and approach. Lead reviewing design alternatives, problems, and solutions with an eye on limiting the need for later problem solving.
  • Consistently influence and make significant decisions within a project, demonstrating good judgment in selecting methods and techniques for obtaining solutions based in a solid understanding of business strategy and best practices with minimal instructions for difficult or unpredictable situations.
  • Contribute individual capabilities to the achievement of group objectives, and work effectively with others in a group setting. This includes mentoring, coaching, and technical guidance for junior members of the team.
  • Build successful internal and external partnerships with peers, SMEs, stakeholders, and decision-makers.
  • Communicate clear and concise project plans/designs and status updates for a project.
  • Ability to work nights and/or weekends, as needed.
  • Uphold company mission and values through accountability, innovation, integrity, quality, and teamwork.
  • Support and comply with the company's Quality Management System policies and procedures.
  • Maintain regular and reliable attendance.
  • Ability to act with an inclusion mindset and model these behaviors for the organization.

Minimum Qualifications
  • Bachelor's Degree in Data Science, Computer Science, Information Systems, Mathematics, or Engineering; or High School Diploma/General Education Degree and 4 years of relevant experience as outlined in the essential duties .
  • Complete knowledge and full understanding of software development design and development, and relevant domain specific skills.
  • Understanding of and significant experience with object-oriented programming.
  • RESTful web services, Relational Databases (Postgres, SQL Server), and ORM technologies (JPA2, Hibernate, Entities Framework).
  • Demonstrated experience designing and developing apps that access and or utilize cloud-based frameworks (e.g., Azure, Amazon AWS Services/SDKs, etc.).
  • Agile development tools; including, but not limited to, JIRA, Confluence repository.
  • C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit.
  • Applicants must be currently authorized to work in country where work will be performed on a full or part-time basis. We are unable to sponsor or take over sponsorship of employment visas at this time.
  • Demonstrated ability to perform the essential duties of the position with or without accommodation.

Preferred Qualifications
  • 5+ years of experience in the Software Engineering discipline
  • Strong knowledge of healthcare interoperability standards such as HL7 and FHIR.
  • Experience using Java as a core language
  • Experience using Spring Boot or Spring to support Microservices
  • Experience using Maven
  • Experience using Kafka or other queuing systems

The base pay for this position is
$78,000.00 - $156,000.00
In specific locations, the pay range may vary from the range posted.
JOB FAMILY:
Product Development
DIVISION:
ONCO Cancer Diagnostics
LOCATION:
United States > Madison : 1 Exact Lane
ADDITIONAL LOCATIONS:
WORK SHIFT:
Standard
TRAVEL:
No
MEDICAL SURVEILLANCE:
No
SIGNIFICANT WORK ACTIVITIES:
Continuous sitting for prolonged periods (more than 2 consecutive hours in an 8 hour day), Keyboard use (greater or equal to 50% of the workday)
Abbott is an Equal Opportunity Employer of Minorities/Women/Individuals with Disabilities/Protected Veterans.
EEO is the Law link - English: http://webstorage.abbott.com/common/External/EEO_English.pdf
EEO is the Law link - Espanol: http://webstorage.abbott.com/common/External/EEO_Spanish.pdf

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