Sr. Mainframe Database Administrator

Overview

Our Fortune 500 company is driving a digital transformation and looking for forward‑thinking innovators to disrupt how our industry thinks about and uses technology. As one of the world’s leading employee benefits providers, we help millions of people gain affordable access to benefits that help them protect their families, their finances and their futures.

Are you an asker of questions, a solver of problems, and a challenger of the status quo? Our mission is to provide a differentiated customer experience and exceed the expectations people have of technology at any company — not just insurers.

We are seeking individuals to join our team of talented IT professionals who share a never‑ending passion and an unwavering focus on our customer experience. Team members comfortable working in an agile, fast‑paced, and delivery‑focused environment thrive in our environment where we value an entrepreneurial spirit and those who challenge the status‑quo.

Unum is changing, and we’re excited about what’s next. Join us.

Unum is seeking a senior level IMS Database Administrator position in a challenging IMS and DB2 hosted environment. A team‑oriented spirit is necessary to function in a highly collaborative environment. The platform environment is an IMS z/OS based benefits platform that has an ever‑growing dynamic workload.

• 6+ years of DBA experience in a z/OS / MVS environment
• 6+ years database administration for IMS in an IBM mainframe environment
• 4‑year college degree or equivalent

• Knowledge of IMS Database Manager, DBD source and generation, understanding of Database Recovery Control [DBRC] information and commands, BMP and basic DL/I coding embedded in COBOL source.
• Familiarity with IMS Transaction Manager, including basic control region and message region processing, PSB coding and generation, and ACB, MODBLKS, and FORMAT generation. FORMAT coding is a plus, but not required. A basic knowledge of Control Region commands for monitoring sub‑systems, regions, databases, and transaction queues is required.
• Strong working knowledge of HALDB partitioning schemes and underlying structures. Ability to backup and restore and maintain partitions.
• Familiarity with IMS Utility JCL, execution, restart, commands for database allocation changes, and IMS database backup and recovery techniques.

• DB2 catalog knowledge [basic catalog table familiarity, ability to perform querying of dependencies, understanding of DB2 security administration including grants, revokes, and a basic knowledge of required authorities for application development including bind, plans, packages, stored procedures, and database level authorities permitting utilities, tablespace and table creation].
• Familiarity with DB2 utility JCL, execution, restart, an understanding of utility impact on DB2 object availability, and database backup and recovery techniques.
• Understanding of DB2 Data Definition Language [DDL] constructs is required and experience with DB2 administration tool or similar tool is a plus.
• Knowledge of SQL and basic DB2 development techniques used in application coding. Ability to understand COBOL and SQL/PL for analysis and partnering with application area personnel.

• Coding and debugging z/OS mainframe batch jobs, the applicant’s work and for application development team members needing assistance is required. JCL knowledge is a must as is basic ISPF menu and TSO development experience.
• Familiarity with RACF, rules protecting datasets, and how RACF interacts with both IMS and DB2 instances is a plus.
• Knowledge of source code editor commands, library maintenance, ISPF menus, listing of cataloged dataset information, TSO job scheduling, and the ability to read JES output from jobs to diagnose issues is required. Experience with System Display and Search Facility [SDSF] or other z/OS JES output control facility is a plus.

• Managing procedures and tools required to support development and testing activities
• Assisting in all operational environments in the maintenance of production data and data archiving
• Functioning as a subject matter expert (SME)…