Freelance Mainframe Security Engineer Jobs in California

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive at every stage of your career. Try new things, learn new skills and discover what you excel at-all from Day One.

Job Description

U.S. Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe technologies with an emphasis on installation/upgrading, tuning, and troubleshooting of z/OS and third-party software. This individual should be self-motivated and driven to help contribute toward the success of our mainframe technology initiatives. This person will work in a team environment supporting multiple systems in a highly redundant and robust mainframe environment. Participate in project teams to implement new capabilities and technologies. Suggest new or alternative products and solutions to modernize and streamline our environment. Lead projects and efforts across multiple teams.

Responsibilities Include

• Lead the installation, configuration, maintenance, and lifecycle management of IBM z/OS operating systems across multiple Sysplex environments and data centers.
• Develop, standardize, and execute z/OS upgrade, migration, and maintenance methodologies using SMP/E for software installation and updates.
• Troubleshoot and resolve complex z/OS system, performance, and infrastructure issues, providing root cause analysis and long-term solutions.
• Administer and support critical mainframe subsystems including JES2, CICS, IMS, MQ, and Db2.
• Collaborate with storage, security, networking, application development, and capacity planning teams to ensure optimal system performance and availability.
• Configure and maintain IBM and third-party software products, including solutions from Broadcom (CA), BMC, and Compuware.
• Participate in Disaster Recovery (DR) planning, testing, and recovery exercises to ensure business continuity and platform resiliency.
• Manage and support mainframe hardware, coupling facilities, storage configurations, and GDPS environments.
• Maintain comprehensive system documentation, configuration standards, operational procedures, and technical diagrams.
• Provide 24x7 production support and on-call coverage as part of a rotating support model.

Basic Qualifications
- Bachelor's degree, or equivalent work experience
- At least 5 years of experience within a total information technology (IT) environment
- At least 10 years of experience with the design, development and support of technology infrastructure

Preferred Skills/Experience:

• Extensive experience administering and supporting IBM z/OS in large-scale Parallel Sysplex environments.
• Strong expertise in z/OS installation, configuration, maintenance, upgrades, and SMP/E software deployment.
• Hands-on experience supporting critical mainframe subsystems including CICS, IMS, JES2, IBM MQ, and Db2 for z/OS.
• Advanced knowledge of RACF security administration, access controls, and compliance best practices.
• Proven ability to troubleshoot and resolve complex z/OS system, performance, and availability issues.
• Experience with mainframe performance monitoring and capacity management tools, including RMF and MainView.
• Strong understanding of Coupling Facilities, Mainframe Storage Management, and IBM Z hardware infrastructure.
• Experience supporting and configuring enterprise mainframe software from Broadcom (CA), BMC, and Compuware.
• Hands-on experience with Disaster Recovery (DR) planning, testing, and recovery operations in mission-critical environments.
• Proficiency in REXX scripting for automation, system administration, and operational efficiency.

Location expectations
This role requires working from a U.S. Bank location three (3) or more days per week.

If there's anything we can do to accommodate a disability during any portion of the application or hiring process, please refer to ourdisability accommodations for applicants.

Benefits:

Our approach to benefits and total rewards considers our team members' whole selves and what may be needed to thrive in and outside work. That's why our benefits are designed to help you and your family boost your health, protect your financial security and give you peace of mind. Our benefits include the following:

• Healthcare (medical, dental, vision)

• Basic term and optional term life insurance

• Short-term and long-term disability

• Pregnancy disability and parental leave

• 401(k) and employer-funded retirement plan

• Paid vacation (from two to five weeks depending on salary grade and tenure)

• Up to 11 paid holiday opportunities

• Adoption assistance

• Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law

Review our full benefits available by employment status here.

U.S. Bank is an equal opportunity employer. We consider all qualified applicants without regard to race, religion, color, sex, national origin, age, sexual orientation, gender identity, disability or veteran status, and other factors protected under applicable law.

E-Verify

U.S. Bank participates in the U.S. Department of Homeland Security E-Verify program in all facilities located in the United States and certain U.S. territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services. Learn more about theE-Verify program.

The salary range reflects figures based on the primary location, which is listed first. The actual range for the role may differ based on the location of the role. In addition to salary, U.S. Bank offers a comprehensive benefits package, including incentive and recognition programs, equity stock purchase 401(k) contribution and pension (all benefits are subject to eligibility requirements). Pay Range: $105,400.00 - $124,000.00

U.S. Bank will consider qualified applicants with arrest or conviction records for employment. U.S. Bank conducts background checks consistent with applicable local laws, including the Los Angeles County Fair Chance Ordinance and the California Fair Chance Act as well as the San Francisco Fair Chance Ordinance. U.S. Bank is subject to, and conducts background checks consistent with the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA). In addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures.

Applicants must be able to comply with U.S. Bank policies and procedures including the Code of Ethics and Business Conduct and related workplace conduct and safety policies.

Posting may be closed earlier due to high volume of applicants.