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300K System Engineer Jobs in Chicago, IL (NOW HIRING)

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300K System Engineer information

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$55.1K

$131.1K

$172K

How much do 300k system engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for 300k system engineer in Chicago, IL is $131,050.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,000.00 and $161,700.00 per year, depending on experience, location, and employer.

What is a 300k system engineer?

A 300K System Engineer is a professional responsible for designing, implementing, and maintaining systems that operate at or around 300 Kelvin (approximately 27°C or 80°F), often in scientific or industrial environments. These engineers work with equipment and processes where temperature control near room temperature is critical, such as in cryogenics, semiconductor manufacturing, or laboratory settings. Their role includes troubleshooting, optimizing system performance, and ensuring safety and compliance with relevant standards. The specific duties can vary depending on the industry and the type of systems involved.

What are the key skills and qualifications needed to thrive as a 300k system engineer, and why are they important?

To thrive as a 300K System Engineer, you need advanced knowledge of systems architecture, network engineering, and strong problem-solving skills, typically supported by a degree in computer science or a related field. Familiarity with enterprise-level operating systems (Windows, Linux), virtualization platforms, cloud services (AWS, Azure), and certifications like Cisco CCIE or Microsoft MCSE are often required. Exceptional communication, teamwork, and project management skills set top performers apart in this role. These competencies are crucial for designing, implementing, and maintaining complex IT infrastructure that supports business-critical operations.

What are some common challenges faced by system engineers working on large-scale, high-stakes projects, and how can they overcome them?

System Engineers handling high-value, complex projects often face challenges such as integrating diverse technologies, managing cross-functional teams, and ensuring high reliability under tight deadlines. Collaborating closely with software developers, network specialists, and project managers is crucial to align technical solutions with business goals. Effective communication, proactive risk management, and continuous learning are key strategies for overcoming these challenges and delivering robust, scalable systems. Additionally, staying updated on industry best practices and leveraging automation can streamline workflow and improve system performance.

What is the difference between 300K System Engineer vs Network Engineer?

Aspect300K System EngineerNetwork Engineer
CertificationsCCNP, CCIE, CISSP, AWS/Azure certificationsCCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, cloud environments, enterprise ITNetwork infrastructure, routing, switching, security
Industry UsageTech, finance, healthcare, large enterprisesTelecom, IT services, enterprise networks

The 300K System Engineer and Network Engineer roles share certifications like CCNP but differ mainly in focus. The 300K System Engineer typically works with enterprise systems, cloud platforms, and infrastructure, while Network Engineers focus on network design, security, and connectivity. Both roles are vital in large organizations, but the 300K System Engineer often commands higher salaries due to broader responsibilities in system architecture and cloud integration.

What are popular job titles related to 300K System Engineer jobs in Chicago, IL?

For 300K System Engineer jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching 300K System Engineer jobs in Chicago, IL look for?

The top searched job categories for 300K System Engineer jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for 300K System Engineer jobs?

Cities near Chicago, IL with the most 300K System Engineer job openings:

300K System Engineer jobs near you

Sales Executive, SMB Energy Brokerage

Mantis Innovation

Schaumburg, IL • Hybrid

$65K - $130K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago

Job description

About Mantis

We help organizations improve how their buildings perform by bringing together energy, facility operations, and sustainability into one connected approach. At Mantis, our teams work across the full lifecycle of a facility—from planning and design to field execution and long-term asset management—across commercial and industrial portfolios, data centers, and complex mechanical systems.

Our work spans four core areas: Building Controls, Energy Efficiency, Energy Advisory, and Facility Management—covering HVAC/mechanical optimization, BMS/BAS and EPMS controls, lighting system upgrades, energy brokerage, roofing and building envelope assessments, construction management, and more.

Whether you’re in sales, engineering, construction/project management, field operations, corporate, or technology, you’ll play a role in delivering these solutions and helping clients improve facility performance.


  • Do you thrive on building client relationships and closing high-value energy procurement deals?
  • Are you passionate about delivering innovative energy solutions that make a real impact?
  • Do you want to join a best-in-class team where your success is uncapped?
 
If you answered yes, let's talk!
 
General Purpose:
We're seeking a skilled B2B sales professional with experience in energy procurement brokerage or supplier sales - specializing in electricity, natural gas, and green energy. As a Sales Executive on the energy team, you’ll play a critical role in driving new business growth and expanding our footprint into small and medium-sized business accounts (typically 50-5,000 MWh)
 
This is a high-volume sales role, focuses on heavy cold calling and outreach to build client relationships and deliver solutions that manage energy spend across procurement, energy efficiency, and the full suite of Mantis offerings.
 
  • Reports to: Director of Sales, Energy SMB Accounts
  • Hybrid Schedule: 3 days in-office/week.
  • Travel: 10-20% based on client meetings, events, etc.
Outside Sales and Energy Advising
  • Prospect, uncover, and develop strategies to secure new business opportunities.
  • Build and maintain a high-volume pipeline of prospects and SMB energy accounts.
  • Conduct calls and face-to-face meetings daily with client decision makers.
  • Position solutions that optimize energy spend and deliver measurable value.
  • Analyze and report customer positions and commodity contract performance.
  • Collaborate with internal teams to ensure seamless execution and client satisfaction.
  • Maintain accurate records in Salesforce and other CRM tools.
  • Exceed sales goals consistently and contribute to overall market share growth.
Qualifications
  • 5 years selling B2B electricity, natural gas, or green energy contracts (supplier or broker backgrounds welcome).
  • Sales track record of exceeding individual quotas ($300k)
  • Strong proficiency in Microsoft Office and CRM systems
  • Demonstrated ability to sell into multiple levels of an organization.
Competencies
  • Hunter and closer mentality with strong networking and cold-calling skills.
  • Strategic and tactical selling expertise with new prospects.
  • Strong communication, negotiation, and presentation skills.
  • Highly organized with the ability to manage multiple priorities in a fast-paced environment.
  • Advanced sales and client success approach.
  • Results-driven mindset with relentless focus on exceeding targets.
Includes base salary (commensurate with experience) PLUS uncapped commission.

Note: Employees are held accountable for all duties of this job. This job description is not intended to be an exhaustive list of all duties, responsibilities, or qualifications associated with the position.
 
What else can we offer you?
We offer a fantastic lineup of benefits, including Medical, Dental, Vision, FSA, HSA, 401k Matching, Paid Vacation, Paid Sick, Paid Holidays, Paid Parental Leave, Paid Short Term & Long Term Disability, Tuition Reimbursement, and a flexible hybrid work schedule (for office-based employees). Working at Mantis also brings tremendous professional development opportunities that allow you to make a real impact on both the company and your career!
 
Not sure you meet every single requirement?
Studies show that women and individuals from underrepresented groups often hesitate to apply unless they check every box. At Mantis, we’re committed to building an inclusive and equitable team—so if this role excites you, we’d love to hear from you, even if your experience doesn’t match every single qualification.
 
Mantis Innovation is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.