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Senior System Engineer Jobs in Illinois (NOW HIRING)

OBXtek

Senior Engineer-CAMPS Inc I

Scott Air Force Base, IL · On-site

$90 - $130/hr

Responsibilities OBXtek is looking for a Senior System Engineer to support enterprise engineering and analysis efforts. These include providing Data and Engineering support Analysis of Alternatives ...

New

OBXtek Inc.

Senior Engineer-CAMPS Inc I

Vienna, VA · On-site

$101K - $138K/yr

OBXtek is looking for a Senior System Engineer to support enterprise engineering and analysis efforts. These include providing Data and Engineering support Analysis of Alternatives, Cross Domain ...

OBXtek Inc.

Senior Engineer-CAMPS Inc I

Vienna, VA · On-site

$116K - $160K/yr

Responsibilities OBXtek is looking for a Senior System Engineer to support enterprise engineering and analysis efforts. These include providing Data and Engineering support Analysis of Alternatives ...

Next Step Systems

Senior Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Senior Systems Engineer, Chicago IL This Senior Systems Engineer position is fully onsite. Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global ...

Vedder Price

Senior Financial System Engineer

Chicago, IL · On-site

$120K - $145K/yr

The Senior Financial Systems Engineer is responsible for the daily technical support of critical financial and accounting systems to ensure accurate system operation, financial data integrity, and ...

Vedder Price

Senior Financial System Engineer

Chicago, IL · Hybrid

$120K - $145K/yr

The Senior Financial Systems Engineer is responsible for the daily technical support of critical financial and accounting systems to ensure accurate system operation, financial data integrity, and ...

Acara Solutions

System Engineer

Buffalo Grove, IL

$50/hr

Job Title: System Engineer Location: Buffalo Grove, IL Employment: Temp (5 months) Industry ... Works with senior engineering personnel, mechanical engineers, lab engineers, technical writer ...

Nvidia

Senior System Software Engineer

Champaign, IL · On-site

$122K - $161K/yr

NVIDIA is seeking a Sr. Systems Software Engineer for the Apache Spark Acceleration group. Over the past five years GPU accelerated data processing has moved from proof of concept to production ...

Hyve Solutions

Sr. Principal System Engineer

Oregon, IL · Hybrid

$236K/yr

... systems management. * Serve as primary technical advisor for customers and executive stakeholders. * Lead NPI readiness, design reviews and complex issue resolution. * Mentor senior engineers and ...

AbbVie

Sr. Systems Engineer

North Chicago, IL · On-site

$109K/yr

As a Sr. Systems Engineer, you will be responsible for the integration of multiple disciplines to ... The candidate should be familiar with device design controls, system decomposition, operational ...

AbbVie

Sr. Systems Engineer

North Chicago, IL · On-site

$100K - $137K/yr

As a Sr. Systems Engineer, you will be responsible for the integration of multiple disciplines to ... The candidate should be familiar with device design controls, system decomposition, operational ...

AbbVie

Sr. Systems Engineer

North Chicago, IL

$100K - $137K/yr

As a Sr. Systems Engineer, you will be responsible for the integration of multiple disciplines to ... The candidate should be familiar with device design controls, system decomposition, operational ...

Baxter

Senior Systems Engineer

Round Lake, IL · On-site

$96K - $132K/yr

As a Senior Systems Engineer at Baxter, your work contributes directly to making a significant ... Lead engineering resources (Electrical, Mechanical, and Software) in the decomposition of system ...

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All JobsSystem Engineer JobsSenior System Engineer JobsSenior System Engineer Jobs in Illinois

Senior System Engineer information

See Illinois salary details

$54.3K

$120.9K

$170.5K

How much do senior system engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior system engineer in Illinois is $120,868.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,300.00 and $138,600.00 per year, depending on experience, location, and employer.

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 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.

How much money does a senior system engineer make?

A senior system engineer typically earns between $90,000 and $130,000 annually, depending on experience, location, and industry. They often have specialized skills in network infrastructure, scripting, and certifications like Cisco or Microsoft, which can influence salary levels.
What are the most commonly searched types of System Engineer jobs in Illinois? The most popular types of System Engineer jobs in Illinois are:
What cities in Illinois are hiring for Senior System Engineer jobs? Cities in Illinois with the most Senior System Engineer job openings:
Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $120,868 per year, or $58.1 per hour.

Senior Engineer-CAMPS Inc I

OBXtek

Scott Air Force Base, IL • On-site

$90 - $130/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago

New

Job description

Responsibilities

OBXtek is looking for a Senior System Engineer to support enterprise engineering and analysis efforts. These include providing Data and Engineering support Analysis of Alternatives, Cross Domain, Cloud support, System Interoperability Engineering and Analysis, Model Based System Engineering efforts, etc., for C3BM. The ACAS program requires support for analysis and reviews of software deliverables, CAC modernization, Oracle uplift and Cloud migrations for A3B.

Senior System Engineer shall:

  • Under minimal supervision, provide analysis related to the design, development and integration of hardware, software, man-machine interfaces, and all system level requirements to provide an integrated IT solution.
  • Develop integrated system test requirements, strategies, devices, and system level requirements to provide an integrated IT solution.
  • Apply detailed knowledge of a wide range of IA concepts, practices, and procedures to ensure the secure integration and operation of IT systems.
  • Conduct security assessments and security consulting services, and analyze information security requirements.
  • Be familiar with analyzing and preparing documentation in support of implementing the Risk Management Framework (RMF) security posture.
Qualifications

Senior level experience in IT Solution Development to support the responsibilities above.

Secret Clearance required.

Security ClearanceSecretCompany Information

Headquartered in McLean, Virginia and founded in 2009, OBXtek is a fast-growing leader in the government contracting field. Our mission is Our People Our Reputation. Our people are trained professionals who enhance our customers’ knowledge and innovation using technology, collaboration, and education.

We offer a robust suite of benefits including comprehensive medical, dental and vision plans, Flexible Spending Accounts, matching 401K, paid time off, tuition reimbursement plans and much more.

As a prime contractor for 93% of our current work, OBXtek pairs lessons learned across disciplines with industry standard quality practices such as CMMI-Dev Level III, ITIL, 6Sigma, PMI, and ISO. Our rapid growth has been recognized by INC500, the Washington Business Journal, and Washington Technology magazine.

OBXtek is an Equal Opportunity Employer and does not discriminate based on race, color, religion, sex, age, national origin, gender identity, disability, veteran status, sexual orientation or any other classification protected by federal, state or local law.

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