{"id":2471377,"url":"https://alion.io/job/cognizant-ibm-mainframe-db2-specialist","title":"IBM Mainframe DB2 Specialist","company":{"id":85,"name":"Cognizant","domain":"cognizant.com","url":"https://alion.io/company/cognizant","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Cognizant Careers","truth_index":{"grade":"B","score":83,"open_postings":99,"ghost_share":0,"stale_share":0.869,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hartford, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":115000,"currency":"USD","period":"year","gross":null,"usd_annual":115000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Db2","optional":false},{"name":"IMS","optional":false},{"name":"Python","optional":false},{"name":"Rest-Assured","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-13T12:21:11Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-19T14:30:54Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"About the role\nAs an IBM Mainframe DB2 Specialist, you will be responsible for the administration, optimization, and support of DB2 for z/OS environments that power critical enterprise applications. You will play a key role in ensuring database availability, performance, security, and resiliency while partnering with application, infrastructure, and operations teams to support business-critical workloads. You will be a valued member of the Cloud Infrastructure and Security team, working collaboratively with technical and business stakeholders to support modernization initiatives and drive operational excellence across the enterprise database landscape.\nIn this role, you will\nAdminister and maintain IBM DB2 databases within z/OS mainframe environments.\nInstall, configure, patch, and upgrade DB2 subsystems and related components.\nPerform database design reviews, schema management, and object creation.\nMonitor and optimize database performance through SQL tuning, indexing strategies, RUNSTATS, REORG, and other DB2 utilities.\nManage database backup, recovery, disaster recovery planning, and recovery testing activities.\nAdminister database security, access controls, and compliance requirements.\nSupport application development teams with database design, SQL optimization, and issue resolution.\nPerform capacity planning, storage management, and performance forecasting.\nTroubleshoot and resolve complex production issues impacting database services and applications.\nLead DB2 migration and version upgrade initiatives while minimizing operational risk.\nAutomate routine DBA activities using JCL, REXX, Python, and other automation tools.\nCollaborate with infrastructure, application, and operations teams to ensure service availability and reliability.\nWork model\nWe believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Hartford, CT. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.\nThe 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.\nWhat you need to have to be considered\n8+ years of hands-on experience administering IBM DB2 for z/OS in enterprise production environments.\nDeep expertise with IBM Mainframe technologies, including z/OS, JCL, TSO/ISPF, and core DB2 administration tools.\nProven experience with DB2 performance tuning, SQL optimization, indexing strategies, RUNSTATS, REORG, and related database maintenance activities.\nExperience planning and executing database backup, recovery, disaster recovery, migration, and version upgrade activities.\nStrong knowledge of database security principles, RACF, access management, and compliance best practices.\nExperience automating DBA processes using REXX, Python, JCL, or similar scripting technologies.\nExperience supporting mainframe modernization initiatives, including transformation, migration, integration, or adoption of cloud-based technologies.\nAbility to troubleshoot and resolve complex database and application issues within mission-critical environments.\nExperience working with enterprise scheduling and batch-processing tools such as CA7, TWS, or Control-M.\nStrong understanding of database lifecycle management, change management, and production support processes.\nThese will help you stand out\nExposure to VSAM, CICS, IMS, and other IBM Z ecosystem technologies.\nExperience supporting large-scale banking, insurance, or financial services environments.\nKnowledge of high availability, resiliency, and disaster recovery architectures.\nExperience with SMP/E, release management, and enterprise change management processes.\nIBM Certified Database Administrator for DB2 for z/OS or other IBM Z certifications.\nStrong analytical, problem-solving, and stakeholder management skills in global 24x7 enterprise environments.\nWe'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.\nSalary and Other Compensation:\nApplications will be accepted until October 21, 2026.\nThe annual salary for this position is between $100,000 - $115,000 USD depending on experience and other qualifications of the successful candidate.\nThis position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.\nBenefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:\nMedical/Dental/Vision/Life Insurance\nPaid holidays plus Paid Time Off\n401(k) plan and contributions\nLong-term/Short-term Disability\nPaid Parental Leave\nEmployee Stock Purchase Plan\nDisclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. 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