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Senior System Engineer Jobs in Naperville, IL (NOW HIRING)

Motorola

Sr. Systems Engineer

Schaumburg, IL · On-site

$90K - $100K/yr

We are seeking a Sr. Systems Engineer to serve as a high-level technical escalation point for our ... System Operations & Technical Support * Provide Tier 4 technical support and escalation resolution ...

Next Step Systems

Senior Trading Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Senior Trading Systems Engineer, Chicago, IL This Senior Trading Systems Engineer position is 100% fully onsite. Responsibilities: - Work collaboratively with technology and business teams on all ...

Judge Group, Inc.

Systems Engineer - Hybrid

Oak Forest, IL · On-site

$100K - $115K/yr

A Tech company is looking for a Sr Systems Engineer with 5+ years of experience. In this role you will be working in a team environment directly with clients on new projects, site reviews and ongoing ...

Peraton

NEXCOM Senior Systems Design Engineer

Chicago, IL

$107K - $147K/yr

NEXCOM Senior Systems Design Engineer Location: Chicago, IL We are seeking a Design Engineer for ... Develop system design packages that support site preparation, procurement, and installation ...

Peraton

NEXCOM Senior Systems Design Engineer

Chicago, IL

$107K - $147K/yr

NEXCOM Senior Systems Design Engineer Location: Chicago, IL We are seeking a Design Engineer for ... Develop system design packages that support site preparation, procurement, and installation ...

Peraton

NEXCOM Senior Systems Design Engineer

Chicago, IL · On-site

$107K - $147K/yr

NEXCOM Senior Systems Design Engineer Location: Chicago, IL We are seeking a Design Engineer for ... Develop system design packages that support site preparation, procurement, and installation ...

Peraton

NEXCOM Senior Systems Design Engineer

Chicago, IL

$107K - $147K/yr

NEXCOM Senior Systems Design Engineer Location: Chicago, IL We are seeking a Design Engineer for ... Develop system design packages that support site preparation, procurement, and installation ...

SG Cap Trading

Linux Systems Engineer

Chicago, IL · On-site

$85 - $125/hr

Troubleshoot Linux system issues and assist with hardware maintenance. * Set up desktops, laptops ... Mentorship from senior engineers * Experience with enterprise-level tools (VMware, Ansible ...

SG Cap Trading

Linux Systems Engineer

Chicago, IL · On-site

Troubleshoot Linux system issues and assist with hardware maintenance. Set up desktops, laptops ... Work-Life Balance - no excessive overtime Mentorship from senior engineers Experience with ...

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Showing results 21-40

All JobsSystem Engineer JobsSenior System Engineer JobsSenior System Engineer Jobs in Naperville, IL

Senior System Engineer information

See Naperville, IL salary details

$55.9K

$124.5K

$175.7K

How much do senior system engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior system engineer in Naperville, IL is $124,546.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,300.00 and $142,800.00 per year, depending on experience, location, and employer.

What is a senior system engineer?

Senior System Engineers are experienced IT professionals responsible for designing, implementing, managing, and maintaining complex computer systems and networks within an organization. They play a critical role in ensuring the stability, security, and scalability of IT infrastructure. Their tasks often include troubleshooting system issues, optimizing performance, overseeing upgrades, and mentoring junior engineers. Senior System Engineers typically collaborate with other IT teams and departments to support business objectives and technological needs.

What are some common challenges faced by senior system engineers when managing large-scale IT infrastructure projects?

Senior System Engineers often encounter challenges such as coordinating with cross-functional teams, ensuring system scalability, and maintaining high availability during upgrades or migrations. Managing complex environments requires balancing security, performance, and compliance, all while minimizing downtime. Effective communication and proactive planning are crucial to successfully navigating these challenges and delivering robust solutions that meet organizational needs.

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

To thrive as a Senior System Engineer, you need advanced knowledge of system architecture, network administration, and troubleshooting, often supported by a degree in computer science or a related field and several years of experience. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are commonly expected. Strong problem-solving, project management, and communication skills help you lead teams and handle complex technical challenges. These skills are crucial for ensuring system reliability, security, and efficient operation in dynamic IT environments.

What is the difference between Senior System Engineer vs Network Engineer?

AspectSenior System EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CompTIA Network+, Cisco CCNABachelor's in Computer Science, certifications like Cisco CCNA, CCNP
Work EnvironmentDesigning, implementing, and maintaining IT systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Industry UsageIT, technology, enterprise environmentsTelecommunications, IT, enterprise networks
Common Search/ComparisonSenior System Engineer vs Network Engineer

While both roles require networking knowledge and certifications, Senior System Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network infrastructure and security. The roles often overlap but serve different core functions within IT teams.

What are the most commonly searched types of System Engineer jobs in Naperville, IL?

The most popular types of System Engineer jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Senior System Engineer jobs?

Cities near Naperville, IL with the most Senior System Engineer job openings:

Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Naperville, IL as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $124,546 per year, or $59.9 per hour.

Senior Systems Engineer

Kranze Technology Solutions, Inc

Des Plaines, IL • On-site

$100K - $150K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago

Job description

Description:
KTS develops complex, cutting-edge avionics and ground hardware and software solutions supporting digital interoperability, survivability, situational awareness, and data collection.  We have a proven track record of delivering high quality products throughout the defense industry.
KTS is seeking a senior systems engineer to develop requirements, create algorithms, perform system design, and integrate and test KTS products with a focus on tactical networking. A strong knowledge of networking fundamentals is required. This is a full-time position at the KTS facility in Des Plaines, IL.
Responsibilities:
  • Work with system architects to develop and evaluate networking algorithms optimized to work in a tactical networking environment
  • Perform modeling and simulation to evaluate networking algorithm performance and support software development of a virtual routing environment tool
  • Develop systems requirements, test procedures and automated tools to evaluate system performance
  • Evaluate new tactical networking radios and communications systems to characterize their networking design and optimize integration with KTS products
  • Rapidly prototype and integrate new tactical radios and communication systems into existing networking designs
  • Assist with system integration, verification and validation, and effectiveness analysis
  • Support demonstration and test events with customers and Warfighters

Required Qualifications & Skills:
  • Bachelor’s or Master’s degree in Electrical Engineering, Systems Engineering or related field with 10+ years of experience
  • Experience in networking and routing protocols
  • Experience with Linux operating systems and networking stack
  • Strong analytical, problem-solving skills with experience in algorithm design
  • Hands-on hardware and software troubleshooting skills
  • Comfortable with C/C++ or scripting language programming
  • Excellent written and oral communication skills
  • Ability to travel
  • Ability to obtain Security Clearance, for which the United States Government requires United States citizenship

Other Preferred Skills:
  • Experience with tactical MANET radios and HAIPE encryptors
  • Technical and integration background with a solid understanding of developing battlespace CONOPS and mission-oriented solutions

We recognize that attracting the best talent is key to our strategy and success as a company.  As a result, we aim for flexibility in structuring competitive compensation offers to ensure we are able to attract the best candidates.  As required by law in this state, the estimated salary range for this position is $100,000-$150,000 and represents our good faith estimate as to what our ideal candidates are likely to expect.  We tailor our offers within the range based on organizational needs, internal equity, market data, geographic zone, and the selected candidate’s experience, education, industry knowledge, location, technical and communication skills, and other factors that may prove relevant during the selection process.
Benefits
Kranze Technology Solutions is proud to provide extremely competitive benefits to all full time employees including:
  • Comprehensive Leave Plan (Paid Time Off)
  • Comprehensive Health Care package including Medical, Vision, Dental, Health Savings Account (HSA), and more
  • 401(k) retirement plan
  • Paid Overtime
  • Flex Time and Flexible Scheduling
  • Opportunities to travel
  • Tuition Reimbursement options
  • Casual work environment

About Kranze Technology Solutions
We are part of SPX Technologies’ Communication Technologies platform in the Detection & Measurement business segment. KTS is focused in the defense industry specializing in Infrared Countermeasures (IRCM) systems, digital interoperability and networking, and program support for the US Navy, US Marine Corps, and Special Operations Command.    We provide hardware and software product development, systems integration, system test and evaluation support, modeling and simulation analysis, and other engineering services to support the Warfighter.
Each team member has significant opportunities to solve a variety of complex technical challenges in small teams while working hand in hand with our defense customers.
KTS is an equal opportunity employer and prohibits discrimination and harassment of any kind.  All applicants will be considered for employment without regards to race, color, religion, age, sex, sexual orientation, gender identity, national origin, veteran or disability status, or any other segmenting characteristics protected by law.
If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to:
Human Resources
847-737-7299
resumes@kranzetech.com
 

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