Which cities near Chicago, IL have the most job openings?

The 10 cities near Chicago, IL that have the most job openings are: Rockford Naperville Joliet Aurora Milwaukee Elgin South Bend Kenosha Waukegan Cicero

What are the most popular job searches in Chicago, IL?

The 10 most popular job searches in Chicago, IL are: city amazon work from home amazon warehouse warehouse security volunteer online construction government

What are the highest-paying jobs in Chicago, IL?

The highest-paying jobs are: vascular surgeon ( from $ 325,000 to $ 525,000 year ) private banker ( from $ 54,250 to $ 500,000 year ) orthopedic surgeon ( from $ 43,750 to $ 437,500 year ) dermatologist ( from $ 50,000 to $ 437,500 year ) interventional radiologist ( from $ 108,144 to $ 431,853 year ) diagnostic radiologist ( from $ 24,000 to $ 418,650 year ) emergency medicine physician ( from $ 49,482 to $ 395,500 year ) surgeon ( from $ 40,000 to $ 385,000 year ) human resource consultant ( from $ 92,500 to $ 375,000 year ) human resources consultant ( from $ 92,500 to $ 375,000 year )

Which cities in the United States of America offer the highest salaries for mainframe developer jobs?

The top 10 cities are: Los Angeles, CA ( from $ 104,000 to $ 144,768 year ) Philadelphia, PA ( from $ 109,200 to $ 140,400 year ) Houston, TX ( from $ 111,938 to $ 124,846 year ) Phoenix, AZ ( from $ 71,541 to $ 124,800 year ) Chicago, IL ( from $ 87,571 to $ 114,400 year )

Mainframe developer Jobs in Chicago, IL

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Mainframe developer • chicago il

Last updated: 18 hours ago

Mainframe Top Secret Security Administrator (Software Engineer III)

Unicom Technologies INCChicago, Illinois, USA

Full-time

Mainframe Top Secret Security Administrator (Software Engineer III).Remote / Telework (Work From Home).February 2 2026 - August 31 2026. Potential for renewal (up to three one-year extensions).May r...Show moreLast updated: 2 days ago

Promoted

IVR Developer

Syntricate TechnologiesChicago, IL, United States

Full-time

Minimum 6+ Years of experience as IVR developer and provide technical expertise in all aspects of IVR solution design and application development. Experience in Genesys composer and IVR call flow de...Show moreLast updated: 12 days ago

Mainframe DevOps Engineer

Pacer GroupChicago, Illinois, USA

Full-time +1

Job Title : Mainframe DevOps Engineer.Job Duration : 3 Months Contract to Hire.We are seeking a highly skilled Mainframe DevOps Engineer to join our team and drive modernization and automation initia...Show moreLast updated: 23 days ago

Developer

SSGAshburn, Illinois, USA

Full-time

Military Veterans are highly encouraged to apply!.Essential Duties and Responsibilities.Net and / or C# experience required. Performs system maintenance and enhancements.Designs and develops computer ...Show moreLast updated: 7 days ago

New!

Salesforce Developer

Apptad IncChicago, Illinois, USA

Full-time

SF Core with Financial Services Cloud.Custom Application Development : Design and develop customized Salesforce solutions tailored to meet business needs utilizing Apex Visualforce and Lightning com...Show moreLast updated: 18 hours ago

Promoted

Pyspark Developer

Spruce InfotechChicago, IL, United States

Full-time

Data Pipeline Development : Design, develop, test, and deploy robust and scalable data pipelines using PySpark for data ingestion, transformation, and loading (ETL / ELT) from various sources (e.S3, A...Show moreLast updated: 5 days ago

Promoted

Senior ADABAS Mainframe Systems Programmer

EnsonoChicago, IL, United States

Full-time

Senior ADABAS Mainframe Systems ProgrammerRemote - United StatesJR012423.The successful candidate will perform mainframe database Software upgrades coupled with administration and tuning to support...Show moreLast updated: 12 days ago

ServiceNow Developer

Contact Government Services LLCChicago, IL, United States

Full-time

CGS is seeking a ServiceNow Developer to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people to...Show moreLast updated: 12 days ago

Mainframe Batch Specialist - Hybrid

TEKsystemsCicero, IL, USA

Full-time

Description : • The Cyber Security Operations (CSO) function within Global Information Security is responsible for all aspects of threat intelligence and monitoring, application and network sec...Show moreLast updated: 30+ days ago

Promoted

Enterprise IT Architect — DevSecOps & Mainframe Expert

Highbrow LLCChicago, IL, United States

Full-time

A leading technology consultancy in Chicago seeks an experienced Technical Architect to evaluate IT systems and define the architectural strategy for client digital initiatives.Responsibilities inc...Show moreLast updated: 30+ days ago

Promoted

Java Developer

Jconnect IncChicago, IL, United States

Full-time

Below is the requirement with my client.Please share the updated resume and below details.Java / J2EE, EJBs, Spring MVC, Spring boot, Hibernate, Restful services, JMS, Interfacing with Kafka / Elastic ...Show moreLast updated: 12 days ago

Promoted

Deployment Lead - Mainframe Modernization

AccentureChicago, IL, United States

Full-time

Our Clients reinvention partner of choice.A Deployment Lead with mainframe modernization experience.Your expertise includes work planning, scheduling and risk mitigation. Collaborate with project te...Show moreLast updated: 3 days ago

Promoted

Java Developer

Purple DriveChicago, IL, United States

Full-time

JAVA FULL STACK - AWS + JAVA SPRING BOOT.Design, develop, test, and deploy scalable and resilient microservices using Java and Spring Boot. Collaborate with cross-functional teams to define, design,...Show moreLast updated: 12 days ago

Promoted

ServiceNow Developer

GuidehouseChicago, IL, United States

Full-time

Software Development & Support.Review business requirements and functional specifications to create technical specifications. Provides estimates and task planning as needed to support business cases...Show moreLast updated: 5 days ago

Promoted

Salesforce Developer

Zone IT SolutionsChicago, IL, United States

Full-time

Join Zone IT Solutions as a Salesforce Developer and become a key player in delivering innovative Salesforce solutions.You will work closely with clients to understand their business needs and tran...Show moreLast updated: 12 days ago

Promoted

C++ Developer

Scalp Trade LLCChicago, IL, US

Full-time

We are a dynamic and growing trading firm seeking an innovative C++ Software Developer to join our team.This role is pivotal to our dual mission : developing cutting-edge automated trading strategie...Show moreLast updated: 7 days ago

Promoted

UI Developer

Cube GroupChicago, IL, US

Full-time

Cube is a pioneering start-up that's reshaping the digital asset trading landscape.By merging the best features of both centralized and decentralized platforms, we're crafting a user-centri...Show moreLast updated: 30+ days ago

Promoted

Application Developer

Follett Software, LLCChicago, IL, US

Full-time

Everything we do is for educators.We're partnering with them to advance a bold vision for education that boosts district performance and student success. At Follett Software, we empower educator...Show moreLast updated: 4 days ago

.NET Developer

Siri InfoSolutions IncChicago, Illinois, USA

Full-time

Title : Senior Full Stack Developer - Chicago.Location : Chicago in office Tues Wed Thurs.Design develop and maintain scalable web applications Core Angular and Web API.Build and optimize SQL qu...Show moreLast updated: 8 days ago

Mainframe Top Secret Security Administrator (Software Engineer III)

Unicom Technologies INCChicago, Illinois, USA

2 days ago

Job type

Full-time

Job description

Mainframe Top Secret Security Administrator (Software Engineer III)

Remote / Telework (Work From Home)

Duration

February 2 2026 - August 31 2026

Up to 600 total hours

Potential for renewal (up to three one-year extensions)

May require occasional after-hours or weekend support with prior approval

Role Overview

We are seeking a senior-level Mainframe Top Secret Security Administrator to support legacy systems and mainframe modernization initiatives. This role serves as a subject matter expert (SME) for mainframe security and z / OS administration ensuring secure compliant and reliable operation of mission-critical systems.

The ideal candidate has deep hands-on experience with Top Secret Security (TSS) z / OS administration certificate management access controls and mainframe operational support in highly regulated environments.

Key Responsibilities

Serve as the SME for Mainframe Top Secret Security (TSS) to maintain system security compliance and audit readiness

Perform advanced z / OS systems administration including configuration upgrades break / fix support and ongoing maintenance
Manage user access controls security profiles and certificate renewals (TLS / SSL RSA keys SFTP FTPS)
Provide technical support for system releases upgrades and infrastructure changes
Monitor system performance diagnose issues and conduct root cause analysis
Support mainframe production control scheduled jobs and batch processing
Provide end-user support for ISV tools such as BlueZone
Coordinate with network customer support and application teams to ensure stable daily operations
Support data integration and change data capture processes (IMS VSAM) as needed
Contribute expertise to both legacy system operations and mainframe transformation initiatives

Required Qualifications

8 years of hands-on experience with Top Secret Security (TSS)

5 years of hands-on z / OS administration experience

5 years working with :

JES

z / OS UNIX System Services (OMVS)

Storage Management Subsystem (SMS)

3 years of experience with TLS configuration including certificates SSL RSA keys SFTP and FTPS

Strong understanding of mainframe security compliance auditing and risk mitigation

Preferred Qualifications

Experience with performance monitoring and initial performance analysis

Experience with Informatica Power Exchange Administration

Experience with REXX scripting

Technical Knowledge (Preferred / Working Knowledge)

z / OS Operations

z / OS Networking (VTAM TCP / IP)

Automated job scheduling tools (e.g. JOBTRAC)

Terminal emulation tools (BlueZone)

VTAM session management tools

SMP / E

RMF SMF WLM

JCL

GRS

VSAM

TSO

Additional Requirements

Ability to access secure environments via remote access tools (e.g. GoToMyPC)

May be required to work evenings weekends or holidays with prior approval

Required Skills : Mainframe

Key Skills

Financial,Landscaping,Account Management,Event Planning,Db2

Employment Type : Full Time

Experience : years

Vacancy : 1