Mainframe developer [h1.location_city]
[job_alerts.create_a_job]
Mainframe developer • chicago il
[last_updated.last_updated_variable_hours]
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_more][last_updated.last_updated_variable_days]
Quantiq specializes in high frequency derivatives trading in the largest markets worldwide.Our approach is rigorous and pragmatic, driven by technological expertise and analytics, informed by real-...[show_more][last_updated.last_updated_30]
We have an opportunity to impact your career and provide an adventure where you can push the limits of whats possible.As a Lead Software Engineer at JPMorganChase within the Commercial & Investment...[show_more][last_updated.last_updated_1_day]
Technology and Business consulting services.We are in search of a highly motivated candidate to join our talented Team.The Mainframe CICS Systems Programmer is responsible for end-to-end CICS engin...[show_more][last_updated.last_updated_variable_hours]
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_more][last_updated.last_updated_30]
Sunrise Futures is looking to hire a highly talented Software Developer to join our technology team.Working collaboratively with the technology and business teams on our trading and research platfo...[show_more][last_updated.last_updated_30]
We are PEAK6 a leading investment firm using technology to find a better way of doing things.The companys first tech-based solution was developed in 1997 to optimize options trading and over the pa...[show_more][last_updated.last_updated_variable_days]
At Alight we believe a companys success starts with its people.At our core we Champion People help our colleagues Grow with Purpose and true to our name we encourage colleagues to Be Alight.Be insp...[show_more][last_updated.last_updated_variable_days]
We are seeking a highly skilled and detail-oriented Appian Developer to design develop and maintain low-code business process applications using the Appian platform.
The successful candidate will co...[show_more][last_updated.last_updated_variable_days]
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_more][last_updated.last_updated_30]
A company in the financial sector is seeking a Quantitative Developer to join their team.In this role, you will use your strong mathematical, statistical, and programming expertise to design, imple...[show_more][last_updated.last_updated_variable_days]
Associate should be a strong in Mainframe development with 10 years of experience.Associate should have experience in JCL COBOL VSAM and DB2.
Associate should have good knowledge in the Unix scripti...[show_more][last_updated.last_updated_1_day]
Mainframe Transition ManagerRemote - United StatesJR012601.Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things.
We enable our clients to achie...[show_more][last_updated.last_updated_variable_days]
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_more][last_updated.last_updated_30]
Employment Type : Full-Time .Department : Information Technology.The developer will be asked to aggregate data from several different existing sources and prepare plans for how this data can be ...[show_more][last_updated.last_updated_30]
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_more][last_updated.last_updated_variable_days]
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_more][last_updated.last_updated_variable_days]
If asked to describe the culture at Metropolitan Family Services, we could do that in one word.Reflected in both our internal culture as well as through the services we provide, community is at the...[show_more][last_updated.last_updated_30]
A company is looking for a Senior Mainframe Application Developer (COBOL / CICS / zOS).Key Responsibilities Design, develop, enhance, and maintain application programs in an IBM Mainframe zOS env...[show_more][last_updated.last_updated_1_day]
Mainframe Top Secret Security Administrator (Software Engineer III)
Unicom Technologies INCChicago, Illinois, USA[job_card.full_time]
Hardware Developer
QuantiqChicago, IL, US[job_card.full_time]
Software Engineer III Java, DB2, Mainframe
JPMorganChaseChicago, Illinois, USA[job_card.full_time]
- [new]
Mainframe CICS Engineer
AmpcusChicago, IL[job_card.full_time]
Mainframe Batch Specialist - Hybrid
TEKsystemsElmwood Park, IL, USA[job_card.full_time]
- [promoted]
Software Developer
Sunrise Futures, LlcChicago, Illinois, United States[job_card.full_time]
Mobile Developer
PEAK6Chicago, Illinois, USA[job_card.full_time]
Mainframe zOS Systems Programmer Virtual
Alight SolutionsChicago, Illinois, USA[job_card.full_time]
Appian Developer
AMG & Associates, Inc.Chicago, Illinois, USA[job_card.full_time]
Salesforce Developer
Zone IT SolutionsChicago, IL, US[job_card.full_time]
- [promoted]
Quantitative Developer
Motion Recruitment Partners LLCChicago, IL, United States[job_card.full_time]
Mainframe Developer
TechniProsChicago, Illinois, USA[job_card.full_time]
- [promoted]
Mainframe Transition Manager
EnsonoChicago, IL, United States[job_card.full_time]
- [promoted]
Enterprise IT Architect — DevSecOps & Mainframe Expert
Highbrow LLCChicago, IL, United States[job_card.full_time]
Java Developer
Contact Government Services, LLCChicago, IL, US[job_card.full_time]
Salesforce Developer
Apptad IncChicago, Illinois, USA[job_card.full_time]
C++ Developer
Scalp Trade LLCChicago, IL, US[job_card.full_time]
Job Developer
Metropolitan Family ServicesChicago, IL, US[job_card.full_time] +1
- [promoted]
Senior Mainframe Developer
VirtualVocationsChicago, Illinois, United States[job_card.full_time]
Mainframe Top Secret Security Administrator (Software Engineer III)
Unicom Technologies INCChicago, Illinois, USA[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
[job_card.job_description]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 Experience with Informatica Power Exchange Administration Experience with REXX scripting 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 May be required to work evenings weekends or holidays with prior approval
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)
Preferred Qualifications
Experience with performance monitoring and initial performance analysis
Technical Knowledge (Preferred / Working Knowledge)
z / OS Operations
Additional Requirements
Ability to access secure environments via remote access tools (e.g. GoToMyPC)
Required Skills : Mainframe
Key Skills
Financial,Landscaping,Account Management,Event Planning,Db2
Employment Type : Full Time
Experience : years
Vacancy : 1