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Senior Systems Software Engineer Jobs in Wisconsin

Senior Embedded Software Engineer - Automotive Systems Location: Milwaukee, WI Duration: Long Term Client: Clarios & Skill Requirement: * Automotive or other safety-critical experience with 8+ years ...

Senior Software Engineer

Green Bay, WI

$119K - $157K/yr

Senior Software Engineer Work model:On-Site Location:Green Bay, WI, USA Shift:First shift Job level ... Design, code, test, debug and implement solutions for new system development, enhancements of ...

Senior Software Engineer

Green Bay, WI

$119K - $157K/yr

Senior Software Engineer Work model:On-Site Location:Green Bay, WI, USA Shift:First shift Job level ... Design, code, test, debug and implement solutions for new system development, enhancements of ...

Senior Software Engineer

Milwaukee, WI · On-site +1

$120K - $158K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application infrastructure that power high-quality, human-centered information experiences. This role is ...

Senior Software Engineer

Milwaukee, WI · On-site +1

$120K - $158K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application infrastructure that power high-quality, human-centered information experiences. This role is ...

Senior Software Engineer

Madison, WI · On-site +1

$123K - $162K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application infrastructure that power high-quality, human-centered information experiences. This role is ...

Senior Software Engineer

Madison, WI · On-site +1

$123K - $162K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application infrastructure that power high-quality, human-centered information experiences. This role is ...

Senior Systems Engineer

Waukesha, WI · On-site

$104K - $143K/yr

Summary The Senior Systems Engineer for Cardiology Systems is a cross-functional engineering leader ... Knowledge of system architecture, subsystem integration, and software-hardware interactions.

Senior Systems Engineer

Waukesha, WI · Hybrid

$104K - $143K/yr

Summary The Senior Systems Engineer for Cardiology Systems is a cross-functional engineering leader ... Knowledge of system architecture, subsystem integration, and software-hardware interactions.

Senior Software Engineer

Waukesha, WI · On-site

$122K - $161K/yr

As a Senior Software Engineer, you will own the design, development, and delivery of next ... and system levels. • Document designs and verification activities. • Perform component ...

Senior Software Engineer Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are ... Enhance system observability and monitoring across thousands of microservices with tools like ...

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Showing results 1-20

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 6, 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.

Senior Systems Software Engineer

Northwestern Mutual Life Insurance Company

Franklin, WI • On-site

$131K - $193K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.


Northwestern Mutual rating

8.0

Company rating: 8.0 out of 10

Based on 73 frontline employees who took The Breakroom Quiz

163rd of 301 rated insurance


Job description

The Senior Systems Software Engineer at Northwestern Mutual Life Insurance Company in Franklin, WI will collaborate with product, engineering, and design teams to modernize infrastructure provisioning. Participate actively in all phases of Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and maintenance to ensure high-quality software delivery and adherence to project timelines. Participate in Agile methodologies, including weekly refinement meetings, to align technical features with business requirements. Design, build, and maintain relational databases such as Aurora, PostgreSQL, and MySQL, optimizing data query results. Develop and deploy containerized applications using Docker and Kubernetes, ensuring efficient deployment and management. Monitor live systems, fix bugs, and write new features while maintaining comprehensive documentation. Provide technical leadership through design and code reviews, mentoring junior engineers, and exploring new capabilities. Develop code for infrastructure security auditing and CIS hardening standards through automation. Utilize programming languages and technologies like Python, PowerShell, Java, SQL, XML, and JSON to address technical issues and develop new features. Improve system resiliency by leveraging cloud services like AWS or Azure for deployment. Apply expertise in Git Source Control and CI/CD practices to automate deployment pipelines. Lead identification and resolution of technical problems, ensuring platform resiliency and operational excellence. Maintain a continuous integration and continuous development (CI/CD) pipeline to support ongoing software delivery. Conduct root cause analysis and ensure production stability and monitoring of the platform. Connect technical direction with business metrics, such as latency, reliability, and cost efficiency, to demonstrate strategic impact. Telecommuting permitted 2 days per week. Salary $131,373- $193,310 per year.

Minimum Requirements: Bachelor's degree in Computer Engineering, Electrical Engineering, Electronics Engineering or a related field and 5 years of experience as a systems engineer, software developer, or related occupation. Experience must include 5 years of experience with each of the following: (1) AWS Cloud Services, containerized applications and orchestration (Docker, Kubernetes); (2) monitoring and performance management and tuning of systems; (3) networking and Linux-based platforms; (4) modern programming and scripting languages including Python and JavaScript; (5) Linux and Windows operating systems including installation, configuration, and management in CLI; (6) Terraform and CloudFormation; (7) DevOps, CI/CD, GitOps, and Agile methodologies; (8) CI/CD pipelines and automation, GitLab CI, Jenkins, CodePipeline, or CircleCI; (9) firewalls, vulnerability management, authentication, and authorization; and (10) unit testing.

Interested candidates send resume to apply@northwesternmutual.com. Reference code 622 in the subject line.


We believe in fairness and transparency. It's why we share the salary range for most of our roles. However, final salaries are based on a number of factors, including the skills and experience of the candidate; the current market; location of the candidate; and other factors uncovered in the hiring process. If noted, this is standard pay structure for this position.


Grow your career with a best-in-class company that puts our clients' interests at the center of all we do. Get started now!


Northwestern Mutual is an equal opportunity employer that welcomes talented individuals of all backgrounds. We are committed to creating and maintaining an environment in which each employee can contribute creative ideas, seek challenges, assume leadership and continue to focus on meeting and exceeding business and personal objectives.


If you work or would be working in California, Colorado, New York City, Washington or outside of a Corporate location, please click here for additional information pertaining to compensation and benefits.


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About Northwestern Mutual

Sourced by ZipRecruiter

Northwestern Mutual has been helping families and businesses achieve financial security for over 160 years through a distinctive planning approach that integrates risk management with wealth accumulation, preservation, and distribution. With more than $290 billion in assets, $30 billion in revenues and more than $1.9 trillion worth of life insurance protection in force, Northwestern Mutual delivers financial security to more than 4.6 million clients. People are the power behind Northwestern Mutual, and diversity makes us better. We are committed to reflecting and serving the marketplace. We do so by attracting and improving the engagement of those who bring their outstanding perspectives, ideas, and beliefs.

Industry

Finance and insurance

Company size

5,001 - 10,000 Employees

Headquarters location

Milwaukee, WI, US