Job Title: z/OS Administrator
Job Location: Hybrid [3 days in Office]- Hartford, CT, USA.
Other Location: St Paul, Minnesota/ Cockeysville, MD
** Please note, this role is not able to offer visa transfer or sponsorship now or in the future**
Role Overview
We are seeking an experienced z/OS Administrator / Mainframe System Engineer to support enterprise mainframe environments. The ideal candidate will have deep expertise in IBM z/OS systems, strong experience with system upgrades, performance tuning, and incident management, and a solid understanding of System z architecture.
Salary and Other Compensation:
The annual salary for this position is between $75,000 to $90,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
In this role, you will
Administer and maintain IBM z/OS environments (z/OS 3.1 and above) ensuring system stability and availability
Perform mainframe LPAR builds, configurations, and environment setup
Manage and execute z/OS upgrades, including version upgrades, patches, and system fixes
Install, configure, and maintain ISV (Independent Software Vendor) products
Maintain and manage system parameters including PARMLIB configurations
Monitor system performance using tools such as RMF and SMF, and generate performance reports
Configure and manage z/OSMF (z/OS Management Facility)
Provide support for Parallel Sysplex environments, ensuring high availability and system integrity
Handle incident management and troubleshooting for z/OS-related issues
Support workload management using WLM (Workload Manager) and optimize resource allocation
What you’ll need to succeed (required skills)
8+ years of experience in mainframe system administration or z/OS engineering
Demonstrated expertise in large-scale enterprise environments Strong expertise in IBM z/OS operating systems
Proven experience with Parallel Sysplex architecture
Hands-on experience with SMPE (System Modification Program Extended)
Proficiency in RMF (Resource Measurement Facility) and SMF (System Management Facility)
Knowledge of WLM (Workload Manager)
Solid understanding of IBM System z architecture
Experience with zOSMF configuration and administration
Hands-on experience in z/OS system upgrades and maintenance
Expertise in ISV product installation and support
Preferred Skills
Experience with enterprise-level mainframe infrastructure support
Strong troubleshooting and performance tuning experience in high-availability environments
Familiarity with incident management processes and tools
Ability to work in client-facing roles and support critical business applications
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Work model:
At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role’s business requirements, this is hybrid role requiring 3 days a week at the client site in Hartford, CT, USA.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
“Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
コグニザントについて
コグニザント(NASDAQ: CTSH)は、AI Builderおよびテクノロジーサービスプロバイダーとして、お客様にフルスタックのAIソリューションを構築することで、AI投資と企業価値を結ぶ架け橋となっています。業界、ビジネスプロセス、エンジニアリングに関する当社の深い専門知識を活かし、組織固有のビジネス環境をテクノロジー・システムに組み込みます。これにより、人間の可能性を最大限に引き出し、確かな成果を実現するとともに、急速に変化する世界においてグローバル企業が常に一歩先を行くための支援を行っています。 詳細については、cognizant.ai をご覧ください。
雇用に関する追加情報
本募集に記載されている報酬情報は、掲載日時点で正確なものです。Cognizantは、適用される法令に従い、いつでも本情報を変更する権利を留保します。
応募者は、対面またはビデオ会議による面接への参加を求められる場合があります。また、各面接の際に、現在有効な州政府または政府発行の身分証明書の提示を求められる場合があります。
Cognizantは機会均等雇用主です。応募および選考において、人種、肌の色、性別、宗教、信条、性的指向、性自認、国籍、障がい、遺伝情報、妊娠、退役軍人の地位、その他連邦法・州法・地方自治体の法律により保護されるいかなる特性に基づく差別も行いません。







