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Service Engineer - Denver

Denver, CO · On-site

$80K - $100K/yr

Service Engineer - Denver Denver, CO 80202 Must be US Citizen or Green Card holder ESSENTIAL JOBS FUNCTIONS: The requirements listed below are representative of the knowledge, skills, and abilities ...

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IANA - Services Manager

Los Angeles, CA · On-site

IANA - Services Manager Los Angeles, CA 90003 Must be a US Citizen or Green Card holder. Manage the Internet Assigned Numbers Authority's (IANA) products and services that are focused towards a ...

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Quality Engineer - Nashua

Nashua, NH · On-site

$72K - $93K/yr

Quality Engineer - Nashua Nashua, NH 03061 Must be a US Citizen or Green Card holder. The Quality Engineer designs, installs, and evaluates Quality Assurance (QA) process sampling systems, procedures ...

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Structural Engineer - Fenton

Fenton, MO · On-site

Structural Engineer - Fenton Fenton, MO 63099 Must be a US Citizen or Green Card holder. Perform design functions specific to the structural engineering scope for Specialty Boilers to suit the needs ...

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Senior Auditor - NYC

Manhattan, NY · Hybrid

$88K - $108K/yr

Senior Auditor - NYC New York, NY This position is a Hybrid role with 2-3 Days Every WEEK REQUIRED in our midtown Manhattan office. Must be a US Citizen or Green Card holder. * Senior Auditor looking ...

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Civil Engineer - Rhinelander

Rhinelander, WI · On-site +1

$61K - $71K/yr

Civil Engineer - Rhinelander Madison, WI 53795 / Kenosha WI 53140/ Rhinelander, WI 54501 Must be a US Citizen or Green Card holder. The client is seeking an Entry Level Civil/Municipal Staff Engineer ...

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Infographic showing various job openings at Real Careers in the United States as of July 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 57% Physical, 29% Hybrid, and 14% Remote job distribution.

z/OS Mainframe Performance Engineer - Tampa

Real Careers

Tampa, FL • Hybrid

$132K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 23 days ago

Job description

z/OS Mainframe Performance Engineer - Tampa

Tampa, FL 33603/ Dallas, TX 75203


Flexible/Hybrid Work Arrangements– Onsite in the office on Tuesday & Wednesday every week but can change.

Must be a US Citizen or Green Card holder.

  • The Systems Engineering family is responsible for the entire technical effort to evolve and verify solutions that satisfy client needs. The primary focus is centered on reducing risk and improving the efficiency, performance, stability, security, and quality of all systems and platforms.
  • The Principal Platform Engineer is a member of the Mainframe Performance team and is a highly technical position responsible for the overall performance of the Mainframe environment, including balancing resources across multiple CECs and analyzing and reporting on performance and tuning metrics. This position requires proven leadership skills to coordinate and lead initiatives regarding Performance & Tuning and effectively coordinate with various IT groups and Product Managers.

RESPONSIBILITIES:

  • z/OS real time performance diagnostics and L2 production support in a large mainframe environment
  • Identification of performance bottlenecks and their alleviation through z/OS components and application tuning
  • Proactive, exceptions driven component performance management & optimization
  • CPU, Memory, I/O, Network, CF, etc.
  • Synergy with other performance SME - DB, CICS, Network, Storage, etc
  • Sysplex analysis and maintenance
  • LPAR configurations design, and tuning
  • Hiperdispatch/IRD, capping
  • ThruPut Manager & Work Load Manager policy design
  • Performance test configuration, analysis and support
  • Improving mainframe cost effectiveness
  • Batch workloads critical path prioritization
  • Real-time performance monitoring
  • Operations staff training in L1 performance diagnostics
  • Provide consultative services to IT staffs on performance issues.
  • Mitigates risk by following established procedures and monitoring controls, spotting key errors and demonstrating strong ethical behavior.
  • Serves as a trusted coach or mentor within the organization.
  • Communicates openly keeping everyone across the organization informed.

Pay and Benefits:

Competitive compensation, including base pay and annual incentive

Comprehensive health and life insurance and well-being benefits, based on location

Retirement benefits

Paid Time Off and other leave of absence

Flexible/Hybrid Work Arrangements– Onsite in the office on Tuesday & Wednesday every week but can change.

Required Knowledge, Skills, and Abilities: (Submission Summary):

  1. Minimum of 8 years of related experience
  2. Bachelor's degree preferred or equivalent experience
  3. Strong teamwork skills
  4. Expertise in z/OS performance diagnostics, problem resolution and proactive performance management
  5. Expertise with BMC Mainview
  6. Expertise in z/OS Workload Manager Policy design in a large Sysplex environment
  7. Expertise in ThruPut Manager
  8. Intermediate to strong SAS coding skills including SAS macros and SAS/GRAPH. Working knowledge of MICS and SAS/MXG
  9. Working knowledge of z/OS components – ASM, RSM, IOS, HSM, JES2, etc.
  10. Understanding of the functionality and performance aspects of z/OS secondary subsystems – DB2, CICS, MQ - preferred
  11. Must be a US Citizen or Green Card holder.
Employment Type: FULL_TIME

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