54 mainframe jobs at 21 companies in Naperville, IL
2w
Save
Mark Applied
Hide
Senior Mainframe Architect
Chicago, Illinois, United States
$113k-$147k/yr OnsiteFull Time
Architectural expertise in enterprise mainframe modernization; deep hands-on knowledge of COBOL, JCL, CICS, DB2, VSAM; experience leading large-scale modernization and integration efforts; bachelor\u0002s degree or equivalent experience required.
COBOL, JCL, CICS, DB2, VSAM, Java, Kafka, APIs
1mo
Save
Mark Applied
Hide
Senior Mainframe Modernization Architect
Atlanta or Chicago or Nashville
$82k-$193k/yr OnsiteFull Time
12+ YOE12+ years enterprise architecture experience, 6+ years mainframe modernization, deep knowledge of z/OS and mainframe technologies, GCP architecture expertise, DevOps/CI/CD, migration validation and stakeholder leadership.
Google Cloud Platform (GCP), GKE, Pub/Sub, BigQuery, Cloud Storage, IAM, z/OS, COBOL, PL/I, JCL, CICS, IMS, DB2, VSAM, DevOps, CI/CD
1mo
Save
Mark Applied
Hide
Sr Mainframe Technical Consultant
Plano or Boston or Wenatchee or Bellevue or Culver City or Reston or Austin or Burlington or Portsmouth or Atlanta or Lancaster or Irvine or San Jose or Durham or Charlotte or San Francisco or Broomfield or Beaverton or San Diego or Princeton or Washington or Rochester or Fort Collins or Allentown or Lisle or Mendota Heights or United States
$100k-$160k/yr OnsiteFull Time
8+ YOESenior mainframe consultant with deep expertise in Broadcom/third-party mainframe infrastructure products, REXX/HLASM proficiency, 8+ years related experience (10+ yrs preferred for product/z/OS), and ability to travel to client sites.
SYSVIEW, OPS/MVS, NetMaster, Mainframe Application Tuner, Common Services, REXX, COBOL, HLASM, JES, CICS, MQ series, DB2, IMS, VSAM, ACF2, TSS, RACF, z/OS, z/VSE, z/VM, BMC, Rocket, IBM
3w
Save
Mark Applied
Hide
Mainframe Programmer
Chicago, Illinois, United States
$100k-$110k/yr OnsiteFull Time
8+ YOE7+ years development experience, strong mainframe skills (COBOL, JCL, DB2), debugging, SDLC/Agile, release management, and technical design documentation.
COBOL, JCL, DB2, CICS, VSAM, Endevor, FileManager, CA7, IDZ, GitLab, TSO, MQ
1mo
Save
Mark Applied
Hide
Mainframe Logical Security Engineer
Phoenix or Plano or Charlotte or Richmond or Jacksonville or Pennington or Chicago or Research Triangle Park or Dallas or Newark or Virginia or Florida
HybridFull Time
Hands-on RACF administration on IBM z/OS, SMF analysis, security reporting, least-privilege access controls for CICS/DB2/IMS/MQ, incident investigation, compliance support (SOX/PCI/HIPAA), and integration with IAM/SSO/MFA.
z/OS, RACF, CICS, DB2, IMS, MQ, TCP/IP, USS, SMF, SIEM, Splunk, QRadar, ACF2, Top Secret, REXX, Python, ICSF, TLS/SSL, Single Sign-On (SSO), MFA
1mo
Save
Mark Applied
Hide
Mainframe Innovation and Digital Core FS Offering Lead & Practitioner
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$113k-$338k/yr HybridFull Time
6+ YOEMinimum 6 years consulting and 6 years mainframe modernization experience; experience with hybrid cloud and Linux One; bachelor’s degree or equivalent; strong executive communication and go-to-market leadership skills.
AWS, Azure, Google, IBM, Dell, HPE, RedHat, Linux One
1mo
Save
Mark Applied
Hide
Global Technology Summer Analyst 2027 - Software Engineer and Mainframe Analyst
Charlotte or Chicago or Dallas or New York or Pennington or Phoenix or Richmond
OnsiteInternship
Undergraduate or master’s student graduating Nov 2027–Aug 2028 in CS/CE/IS or similar; 3.5 GPA preferred; programming knowledge; Excel and JIRA proficiency; strong communication and problem-solving skills.
Java, C#/.NET, C++, Python, Microsoft Excel, JIRA, Angular, Oracle, SQL, JavaScript, jQuery, React, CSS, COBOL, CICS, DB2, IMS, WMQ, z/OS, JCL, CI/CD
1mo
Save
Mark Applied
Hide
Identity and Access Management (IAM) Security Administration Senior Specialist (Identity Platforms highly desired)
Boston or Washington or Chicago or Denver
$135k-$182k/yr OnsiteFull Time
10+ YOE10+ years in IAM with expertise in access provisioning across enterprise platforms; experience with Active Directory, Azure, AWS, Mainframe, Oracle/SQL; familiarity with IAM governance, RBAC, PAM; scripting with PowerShell/Python.
Active Directory, Microsoft Azure, Amazon Web Services (AWS), Mainframe, Oracle, SQL, SailPoint, Saviynt, CyberArk, Hashi Corp, Beyond Trust, PowerShell, Python
1mo
Save
Mark Applied
Hide
Modernization Architect
Atlanta or Austin or Baltimore or Boston or Charlotte or Chicago or Dallas or Denver or Detroit or Houston or Kansas City or Las Vegas or Minneapolis or Nashville or Phoenix or Salt Lake City or Seattle or Washington
$171k-$281k/yr OnsiteFull Time
Hands-on z/OS/mainframe experience, proficiency in mainframe languages (COBOL, PL/I, HLASM, JCL), cloud deployment experience (AWS/Azure/GCP), familiarity with LLMs and automated transformation tools, strong prototyping and collaboration skills.
z/OS, COBOL, PL/I, HLASM, JCL, CICS, DB2, VSAM, AWS, Azure, GCP, LLMs, ANTLR4, Tree-Sitter, CloudFormation, Terraform, Kubernetes, OpenShift, AWS Blu Age, AWS Mainframe Modernization (Transform for z/OS), Amazon Q Developer, Bedrock, Claude, RACF
1w
Save
Mark Applied
Hide
Identity and Access Management (IAM) Security Administration Specialist (RACF exp. strongly preferred)
Denver or Washington or Chicago or Boston
$78k-$136k/yr OnsiteFull Time
3+ YOE3+ years RACF/mainframe security and IAM experience, z/OS familiarity, knowledge of add-on security managers and scripting, strong analytical and communication skills.
RACF, z/OS, zSecure, Vanguard, TSO/ISPF, JCL, CARLa, REXX, USS Security, AI, Excel, ServiceNow
2w
Save
Mark Applied
Hide
Site Reliability Engineer
Columbus or Chicago or Charlotte or Indianapolis or Dallas or Pittsburgh or Detroit or Minnetonka or Cincinnati or Akron or Cleveland
$57k-$113k/yr OnsiteFull Time
5+ YOEExperience supporting mainframe and API ecosystems, troubleshooting production incidents, batch scheduling, API modernization, monitoring and RCA; bachelor’s degree or several years' related experience often required.
z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, SORT, FileAid, Xpediter, ChangeMan, AbendAid, Zeke, Zena, CA7, Control-M, JSON, XML, REST, SOAP, API Gateway, Postman, SoapUI, Swagger/OpenAPI, Dynatrace, Splunk, Grafana, Azure Monitor, AppDynamics, CloudWatch, ServiceNow, AWS, Azure, GCP, IBM MQ, Kafka, Event Hub, SQL
1mo
Save
Mark Applied
Hide
Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
3w
Save
Mark Applied
Hide
EKG Tech - Full Time PM Shift
Libertyville, Illinois, United States
$21-$31/hr OnsiteFull Time
1+ YOEHigh school graduate with ≥1 year ECG or hospital experience; BLS required; CNA or EMT preferred; ability to perform ECGs, Holter/Event applications, pacemaker checks, and documentation.
ECG, Holter, Event recorder, EMR, printer, ECG machine, mainframe
1w
Save
Mark Applied
Hide
Field Service Technician II - Chicago, IL.
Chicago, Illinois, United States
$41k-$59k/yr FieldFull Time
Local US candidate with valid driver’s license, PC and basic electronics skills, ability to lift 50 lbs, perform prolonged driving and rotating/weekend shifts, and pass background/screening.
servers, mainframe computers, imaging software
10h
Save
Mark Applied
Hide
Strategic Deal Consultant, AWS Growth Initiatives
Seattle or Arlington or New York or Chicago
$176k-$262k/yr OnsiteFull Time
7+ YOERequires 7+ years in go-to-market, business development, sales, or consulting; business agreement negotiation and execution; enterprise modernization and migration technologies; and organizational leadership strategy.
Mainframe, Serverless, Containers, Cloud Operations
1mo
Save
Mark Applied
Hide
Field Service Technician - Chicago IL
Chicago or Illinois
$39k-$58k/yr FieldFull Time
Local candidate authorized to work in the U.S., valid driver\u0000s license, PC/electronic skills, ability to lift up to 75 lbs (150 lbs with assistance), prolonged driving/travel, rotating and weekend shifts, able to perform essential functions.
PC, large servers, mainframe computers, imaging software
1d
Save
Mark Applied
Hide
ITSS Supervisor
Woodridge, Illinois, United States
$59k-$110k/yr OnsiteFull Time
1+ YOEAssociate degree and 1+ year in a management information systems department required. Must hold two valid IT certifications and demonstrate technical, supervisory, communication, and problem-solving skills.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Outlook, Microsoft Project, Microsoft Windows, ServiceNow, Client/Server, Web, Mainframe, cloud infrastructure, virtualization, relational database, mobile applications, operating systems, networking
3w
Save
Mark Applied
Hide
AI Business Systems Analyst
North Chicago, Illinois, United States
$66k-$126k/yr HybridFull Time
2+ YOEBachelor's in Information Systems or related and 2 years experience (or Master's), experience with enterprise systems, AI/LLMs, systems analysis, requirements gathering, data/process modeling, testing, and stakeholder communication.
Artificial Intelligence, Large Language Models, Lotus Notes, mainframe
3w
Save
Mark Applied
Hide
Inspector Aircraft Reliability
Bellwood, Illinois, United States
$18-$27/hr OnsiteFull Time
Inspect one-way clutch assemblies and components to military/customer standards, perform measurements, calibrate gages, complete inspection documentation, and interact with customer inspectors.
super micrometer, hardness testing machine, computerassisted optical comparator, gage blocks, gage fixture, calibration gage standards, vacuum pack shrink wrap machine, mainframe computer, personal computer, scale
2mo
Save
Mark Applied
Hide
Sr Manager – IT App Dev, Operations & Reliability
Chicago or Houston
$141k-$183k/yr OnsiteFull Time
5+ YOESenior leadership role overseeing IT app development, operations & reliability; 5+ years in related roles; bachelor's degree; strong for matrixed environments; Agile; knowledge of SRE, KPIs/SLOs/SLAs; US work authorized without sponsorship.
Mainframe, Kong, .NET, Java, Cloud, SaaS
Explore Jobs
Expand Your Job Search
Top Cities Near Naperville for Mainframe
- Mainframe jobs in Chicago, IL
- Mainframe jobs in Aurora, IL
- Mainframe jobs in Joliet, IL
- Mainframe jobs in Elgin, IL
- Mainframe jobs in Waukegan, IL
- Mainframe jobs in Cicero, IL
- Mainframe jobs in Hammond, IN
- Mainframe jobs in Gary, IN
- Mainframe jobs in Arlington Heights, IL
- Mainframe jobs in Evanston, IL
- Mainframe jobs in Schaumburg, IL
- Mainframe jobs in Bolingbrook, IL
- Mainframe jobs in Palatine, IL
- Mainframe jobs in Skokie, IL
- Mainframe jobs in Des Plaines, IL
- Mainframe jobs in Orland Park, IL
- Mainframe jobs in Tinley Park, IL
- Mainframe jobs in Oak Lawn, IL
- Mainframe jobs in Berwyn, IL
- Mainframe jobs in Mount Prospect, IL