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Senior Systems Engineer Job

Date: Oct 4, 2022

Location: Renton, WA, US, 98057

Company: PACCAR

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The Senior Mainframe System Engineer supports the mainframe infrastructure focusing on z/OS, 3rd party software installations and level 3 support in a multi-LPAR environment. The Senior Mainframe Systems Engineer is responsible for analyzing, planning, designing, and documenting application installation and operations within a z/OS based mainframe. The Senior Mainframe Systems Engineer leads infrastructure planning, application support, infrastructure analysis and assessment, and infrastructure test and troubleshooting. 



  • Skilled with installation, maintenance, upgrade tuning of mainframe OS and other mainframe products 

  • Considered to be Subject Matter Expert (SME) in regard to the mainframe OS, utilities and products 

  • Ability to develop and define technical direction/architecture for strategic planning and projects 

  • Storage administration skills highly desirable (DFHSM, DFDSS, DFSMS, IODF)  

  • Ability to update JES2 exits in Assembler 

  • Hands on experience with performance tuning/configuration management and updating WLM policies 

  • Proficient with Assembler programming language 

  • Install, setup and maintain mainframe system automation software  

  • Proficient with dump analysis and problem resolution  

  • Maintain change control practices and procedures for mainframe changes. 

  • 7+ years of hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs, and VSAM. 




  • Minimum of 7 years of experience and/or knowledge of zSeries systems programming.  

  • Experience programming in one or more structured languages.  

  • Experience with installing software via SMP/E.  

  • Knowledge of z/OS system internals.  

  • 24x7 on-call availability as required.  




Bachelor's degree desired 



Prolonged sitting and manual dexterity are required. This position is in an office/desk work setting with hybrid work model available. 


Benefits of working at PACCAR:  

  • Medical/Dental/Vision 

  • Life Insurance 

  • 401k contribution $1 for $1 up to 5% vested immediately

  • Employer Paid Pension Plan vested after 5 years

  • EAP (Employee Assistance Program) 

  • Tuition Reimbursement Program  

  • Scholarship Program 

  • Paid Time Off plus 12 Paid Holidays  

  • HSA  

  • FSA 

  • Employee Discounts  

  • Employee Referral Program 

  • Bonus Pay 

  • Sign On Bonus  


Diversity & Inclusion 


PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability corporation. Having a diverse and inclusive work environment ensures PACCAR has the talent needed to conduct business today and in the future by leveraging different backgrounds, skills, and viewpoints. We believe diversity in the workplace increases innovation, results in better decisions, and increases employee engagement. 

PACCAR’s IT Division promotes Diversity and Inclusion through mentorship, events, celebrations, and affinity groups. The IT Division has an active Diversity Council and supports initiatives and activities for all. PACCAR supports women through the PACCAR Women’s Association (PWA), Women in Trucking, and Women in Technology International (WITI). Educational awareness programs such as Unconscious Bias, Male Allyship and Inclusive Leadership are just a few of many trainings offered. PACCAR is a supporter of PRIDE and celebrates many different multi-cultural events. 

Nearest Major Market: Seattle
Nearest Secondary Market: Bellevue

Job Segment: Testing, Systems Engineer, Mainframe, Strategic Planning, Engineer, Technology, Engineering, Strategy