• Skip to primary navigation
  • Skip to main content
  • Skip to footer

Side Hustles

Side Hustles

Side Hustles For All

  • Best Side Hustles
    • Woman sitting on a pile of coins and working on a laptop surrounded by icons representing different side hustle ideas

      31 Best Side Hustles to Earn Extra Money in 2026

    • Bicycle courier delivering food for their side hustle.

      What Is a Side Hustle?

    • Remote worker sitting at his desk making money from home

      18 Ways to Make Money from Home (Online and Offline Jobs)

    • By Category
      • Arts & Crafts
      • Business Services
      • Caregiving
      • Creative Services
      • Digital Freelance Services
      • View All
    • By Lifestyle
      • I’m introverted
      • I’m a man
      • I’m a woman
      • I’m a stay-at-home mom
      • I’m unique
      • View All
    • By Profession
      • Artists & Creatives
      • Musicians
      • Nurses
      • Physicians
      • Teachers
      • View All
    • By Age Group
      • College Students
      • Teens
      • Age 50+
      • Seniors
      • View All
    • By Skills & Interests
      • Get Paid to Lose Weight
      • Get Paid to Play Games
      • Get Paid to Read
      • Get Paid to Sleep
      • Get Paid to Travel
      • View All
  • Best Gig Apps
    • Freelance worker popping out of a phone screen and considering gig apps on the App Store and Google Play

      Top 6 Gig Apps to Make Real Cash in 2026

    • Smartphone surrounded by the icons of different money-making apps

      Top 10 Best Money-Making Apps to Try in 2026

    • two teenagers using job apps on a phone and laptop

      19 Job Apps for Teens to Find Jobs and Make Money

    • By Gig Type
      • Cashback
      • Data Entry
      • Delivery
      • Games
      • Product Testing
      • View All
    • By Payment Method
      • Bingo Games that Pay to Cash App
      • Games that Pay Real Money
      • Games that Pay to Cash App
      • Games that Pay via PayPal
      • Surveys that Pay to Cash App
      • View All
    • By Benefits
      • $20 Signup Bonuses
      • $25 Signup Bonuses
      • $50 Signup Bonuses
      • Best Signup Bonuses
      • Instant Signup Bonuses
      • View All
    • By Skills & Interests
      • Driving
      • Losing Weight
      • Playing Games
      • Product Testing
      • Watching Ads
      • View All
  • Job Hunting
    • Freelance worker browsing a job post on a freelance job board.

      23 Job Boards You Can Use to Find Remote Work

    • Freelance writer sitting at her laptop working on a project

      15 Best Remote Jobs That Require No Paid Work Experience

    • Teenager sitting at laptop working an online job

      14 Online Jobs for Teens (With No Experience)

    • Freelancing
      • Freelance Writing Sites
      • Freelance Writing Job Boards
      • Freelance Writing Platforms
      • View More
    • Gig & Shift Work
      • Gig Work Apps
      • On-Demand Work Apps
      • Shift Work Apps
      • View More
    • GPT (Get Paid To)
      • Microtasking
      • Product Testing
      • Survey Taking
      • View More
    • Remote Working
      • Best Remote Job Boards
      • Top 15 Remote Jobs
      • View More
  • Job Board
    • Work Schedule
      • Part-Time Jobs
      • Per-Diem Jobs
      • Go Search
    • Work Environment
      • Hybrid Jobs
      • Remote Jobs
      • Go Search
    • Employment Type
      • Contractor Jobs
      • Internship Jobs
      • Temporary Jobs
      • Go Search
    • Job Title
      • Accounting Jobs
      • Data Entry Jobs
      • Nursing Jobs
      • Online Teaching Jobs
      • Software Engineer Jobs
      • Go Search
    • State
      • California Jobs
      • Florida Jobs
      • New York Jobs
      • Pennsylvania Jobs
      • Texas Jobs
      • Go Search
    • City
      • Chicago, IL
      • Houston, TX
      • Los Angeles, CA
      • New York City, NY
      • Phoenix, AZ
      • Go Search

Home Flexible Job Board Mainframe Engineer

$97,000–115,000/yr 6d ago

Mainframe Engineer

Boost your chances before you apply.

  • ✨ Apply 10x Faster Free

    It takes 30+ tailored applications to land jobs like this one. We'll help you get that done in 1 hour.

    No Credit Card Required

  • Proceed to Application Go directly to the company's job page to apply.
Logo

Ensono

US

Full-time Permanent Remote

✨ Apply 10x Faster

Analyze your resume for missing keywords, then one-click optimize it. Don't be anything less than a 100% match candidate.

Free

No Credit Card Required

Summary

The Mainframe Engineer will support, maintain, and enhance critical mainframe applications while acting as a technical lead for the team. Responsibilities include managing incidents, service requests, and change requests using both waterfall and agile methodologies.

Job Description

At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things!  We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose.

Honesty – Reliability – Curiosity – Collaboration - Passion

About the role and what you'll be doing: 

This role requires a skilled and experienced Mainframe Developer with 3-5 Years of specialized technical experience to support, maintain, and enhance a suite of mainframe applications. The ideal candidate will have deep expertise in various skills in mainframe technologies, middleware, databases, and DevOps practices, with a strong understanding of enterprise application support and acts as a technical lead, responsible for maintaining, enhancing, and supporting critical mainframe applications while guiding junior team members

  • Design, develop, and maintain Mainframe applications using COBOL, CICS, JCL, DB2, and VSAM.
  • Experience in enterprise-level ticketing systems (ServiceNow, Service Manager, etc.) and their operational workflows.
  • Worked on waterfall and agile methodology projects; capable of handling - Incidents, Service Requests and Change Requests simultaneously.
  • Provide technical troubleshooting and resolution for complex application and integration.
  • Conduct performance tuning and optimization of Mainframe applications and database queries.
  • Develop technical documentation (Knowledge Base articles, SOPs) for business and support teams
  • Understand both functional and technical requirements and provide implementation/change options aligned with business needs.

We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply. 

Required Qualifications

  • Education; Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
  • Experience; Extensive experience in mainframe application development, support and maintenance
  • Technical Skills: Proficiency in mainframe technologies such as COBOL, JCL, CICS, DB2, and VSAM. Strong understanding of software development life cycle (SDLC) methodologies. Experience with version control systems and software development tools.
  • Soft Skills: Excellent problem-solving and analytical skills. Strong communication and interpersonal skills. 
  • US Citizen 

Why Ensono?

Ensono is a place to make better happen – for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it. 

We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices.

Some of our benefits include:

  • Unlimited Paid Days Off
  • Three health plan options
  • 401k with company match
  • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
  • Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement
  • Paid childbearing and paternal leave
  • Education Reimbursement, Student Loan Assistance or 529 College Funding
  • Sabbatical leave
  • Wellness program
  • Flexible work schedule

As of the date of this posting, a good faith estimate of the current pay scale for this role is $97,000 to $115,000 to annually based on a full-time schedule. Please note that placement in the range may vary based on numerous factors including but not limited to skills, experience, internal equity, and business needs. In addition to base salary, other compensation programs, depending on eligibility, include an annual bonus plan based on company and individual performance and an equity grant under our Associate Equity Appreciation Program.

Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.

Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found on OFCCP’s website.

If you need accommodation at any point during the application or interview process, please let your recruiter know or email [email protected].

About the company

Ensono

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 2,900 associates globally and is headquartered in greater Chicago.

We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe.

And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place.

With cross-platform certifications and decades of experience, our technology experts become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

Founded

1969

Company size

1,001-5,000 employees

Industry

IT Services

Org type

Privately Held

Headquarters

Downers Grove, Illinois

Apply Now

About the company

Ensono

Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 2,900 associates globally and is headquartered in greater Chicago.

We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe.

And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place.

With cross-platform certifications and decades of experience, our technology experts become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning.

Founded

1969

Company size

1,001-5,000 employees

Industry

IT Services

Org type

Privately Held

Headquarters

Downers Grove, Illinois

Footer

sidehustles.com
Facebook Twitter Instagram LinkedIn Reddit TikTok YouTube

Show Me The Money

  • Side Hustle Basics
  • Side Hustle Job Board (Remote & Part-Time Jobs)
  • Gig App Reviews
  • Job Hunting
  • Manage Your Money
  • The Gig Apple: News & Events

Company

  • About Us
  • Contact Us
  • Become a Contributor
  • Advertising & Sponsorships
  • Partner With Us
  • Editorial Guidelines

Side Hustles © All rights reserved

  • Privacy Policy
  • Terms of Service

Thanks for using our free job board

Your review would mean a lot to us.

If you love that we're just giving away remote jobs for free with no paywall, please spread the word. (You will need to create an account on Trustpilot, for which we'll be eternally grateful.) Good luck out there!

Leave a Review Not yet. Send me to the job post.