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Perf Jobs in Chicago, IL (NOW HIRING)

Carpenter

East Chicago, IN

$21 - $28.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Medical, Dental/Vision, Life/Disability, Paid Leave, Retirement (PERF) LETTER OF INTEREST DUE: Please submit a letter of interest and credentials/resume to: Director of Human Resources School City of ...

Bindery Folder Operator (MBO)

Wheeling, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Set up glue (hot melt) in lines, elongated dots, and dots perf job ticket * Set up multi-feed units to feed carriers and attached components; more standardized simplified formats * Work with ...

Bindery Folder Operator (MBO)

Wheeling, IL ยท On-site

$22 - $35/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Set up glue (hot melt) in lines, elongated dots, and dots perf job ticket * Set up multi-feed units to feed carriers and attached components; more standardized simplified formats * Work with ...

Associate Partner - Account Owner

Evanston, IL ยท On-site

$180 - $240/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

About Beghou Beghou brings over three decades of experience helping life sciences companies optimize their commercialization through strategic insight, advanced analytics, and technology. From ...

Showing results 21-40

Perf information

See Chicago, IL salary details

$9

$16

$24

How much do perf jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for perf in Chicago, IL is $16.85, according to ZipRecruiter salary data. Most workers in this role earn between $14.86 and $16.83 per hour, depending on experience, location, and employer.

What is a perf?

In a professional context, 'Perf' is typically an abbreviation for 'Performance Engineer' or 'Performance Test Engineer.' This role involves analyzing, testing, and optimizing the performance of software applications or systems. Perf professionals use specialized tools to identify bottlenecks, ensure scalability, and make recommendations for improvements to maintain optimal system performance. They collaborate with development and operations teams to ensure applications meet performance requirements and service level agreements.

What are the key skills and qualifications needed to thrive as a perfusionist?

To thrive as a Perfusionist, you need a comprehensive understanding of cardiovascular and respiratory physiology, typically backed by a bachelor's degree and certification from an accredited perfusion program. Expertise in operating heart-lung machines, ECMO devices, and other advanced life-support systems is crucial. Attention to detail, composure under pressure, and strong communication skills are essential soft skills for this role. These competencies ensure patient safety and optimal outcomes during complex surgical procedures requiring cardiopulmonary bypass.

What are some common challenges faced by performance engineers and how can they be addressed?

Performance Engineers often encounter challenges such as identifying bottlenecks in complex systems, balancing resource constraints, and optimizing application responsiveness under varying loads. To address these challenges, it is important to use robust monitoring tools, collaborate closely with development and operations teams, and proactively test applications in environments that simulate real-world usage. Emphasizing clear communication and thorough documentation also helps ensure that performance improvements are sustainable and understood across the team.

What is the difference between Perf vs Data Analyst?

AspectPerfData Analyst
Required CredentialsPerformance testing certifications, technical skillsStatistics, data analysis certifications, SQL, Excel
Work EnvironmentIT, software testing teams, performance optimization projectsBusiness, finance, marketing departments, data interpretation
Employer & Industry UsageTech companies, software firms, gaming industryVarious industries including finance, healthcare, marketing
Common Search & ComparisonYesYes

Perf specialists focus on testing and optimizing system performance, often requiring technical certifications and working within IT teams. Data Analysts interpret data to inform business decisions, requiring analytical skills and data certifications. While both roles involve data and technical skills, Perf is more technical and system-focused, whereas Data Analysts focus on data interpretation and reporting.

What are popular job titles related to Perf jobs in Chicago, IL?

For Perf jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching Perf jobs in Chicago, IL look for?

The top searched job categories for Perf jobs in Chicago, IL are:

Infographic showing various Perf job openings in Chicago, IL as of August 2026, with employment types broken down into 85% Full Time, 13% Part Time, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $35,038 per year, or $16.8 per hour.

$15.90/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


Job description

Valparaiso Community School Corporation
Valparaiso High School
Title: Full-Time Custodian - 2 positions available


  • 9 pm - 5:30 am Shift
  • 3 pm - 11:30 pm Shiftย 

Qualifications:ย  ย ย ย ย ย ย ย ย ย ย ย 

  • Experience in custodial/janitorial work.
  • Ability to work with a multi-person staff and accomplish work on time and within an established schedule.
  • Demonstrated initiative, flexibility, dependability, and skill in custodial duties in previous years.
  • Familiarity with all materials and equipment used in the care of the building and grounds.
  • Has good communication skills; can follow written and oral instructions.ย ย 

Job Goal:ย  Primary responsibility is to provide students and staff with a safe, attractive, comfortable, clean and efficient place in which to learn, play, work and develop.
Responsibilities:ย  Perform a variety of tasks involving general care of the building and grounds; the work involves cleaning, repairing and maintenance.

  1. Maintains security and safety of building as outlined by Principal or his/her designee.
  2. Oversees that the building and premises be kept neat and clean at all times.
  3. Provides great customer service and interacts appropriately with students, staff, and visitors.
  4. Performs all duties and maintains high standards of safety, cleanliness and efficiency: dusts and cleans classrooms and offices, washes walls and woodwork, washes windows, sweeps, mops, strips, scrubs, buffs, and waxes floors, shampoos and vacuums carpets, and washes and sanitizes bathroom fixtures, water bottle fillers and replenishes supplies.
  5. Conducts an ongoing program of general maintenance, upkeep, and repair of equipment used.
  6. Reports immediately to the supervisor any damage to school property (inside or out).
  7. Reports major repairs needed promptly to supervisor and fills out work orders for maintenance.
  8. Complies with local laws and procedures for the storage and disposal of trash, rubbish, and waste.
  9. Oversees that all doors and windows are secured, and all lights, except those left on for safety reasons, are turned off.
  10. Assists building administrators in working with special groups who use the building in the off hours and schedules custodian for events.
  11. Must be able to work independently to complete assigned tasks.
  12. Other duties as assigned by the Principal or his/her designee.

Physical Demands:ย 

  • Must be able to bend, reach, walk and stand for prolonged periods of time
  • Must be able to lift 50 lbs. due to moving heavy objects at times, such as, furniture or equipment
  • Required to operate power equipment such as buffers and scrubbers
  • May need to take precautions to avoid exposure to cleaning and stripping compounds and fumes
  • Exposed to noise from power equipment
  • Performing grounds maintenance may require periodically working outdoors in inclement weather
  • Potential exposure to ordinary diseases carried by students
  • May need to take precautions to avoid exposure to student bodily fluids
  • May need to take precautions when inspecting cause of fire alarms
  • May deal with distraught or difficult individuals.ย 

Reports To:ย  Building Principal or designee
Compensation and Benefits:

  • Starting Rate: $15.90/hour
  • Year round, 40 hours per week
  • PERF Eligible
  • Paid Time Off
  • Full Benefit Package
    • Health/Vision Insurance
    • Dental Insurance
    • Employee Assistance Program
    • Group Life and Long Term Disability Insurance
    • Retirement Plan Options