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About the Role

This is a remote position involving close collaboration with a small, specialized technical team supporting the CFIUS data center in Somerset, New Jersey, which services OSS Classic (fTelcordia) products. We are seeking a Senior Mainframe Systems Programmer to join a collaborative team supporting Ericsson's IBM z/OS-based mainframe infrastructure. The team manages mainframe hardware and software platforms, maintains software currency, and ensures systems remain reliable, secure, and high performing. In this role, you will work alongside experienced mainframe professionals to implement new technologies and support an internal community of Ericsson application developers and testers — enabling solutions used by Tier 1 telecommunications carriers across North America.

Responsibilities

Provide technical leadership across all aspects of the z/OS platform, ensuring high availability, performance, and security
Collaborate with a small, specialized engineering team to deliver critical infrastructure initiatives
Lead evaluation, installation, customization, and migration efforts for new z/OS releases and components
Troubleshoot complex technical issues and drive resolution across integrated mainframe environments
Ensure compliance with internal IT policies, standards, and security requirements
Optimize system performance through capacity planning and performance management
Support and upgrade key z/OS subsystems: JES2 (including local exits), TSO/ISPF (including local customizations), RACF, SMS, HCD, and SMF/RMF
Design, implement, and manage RACF security environments, including day-to-day administration and strategic enhancements

Requirements

U.S. Citizenship is required
At least 10 years of hands-on z/OS experience, with current expertise aligned to z/OS 3.1
Deep knowledge of z/OS architecture, RACF security administration, and SMP/E maintenance and software management
Proven experience leading mainframe migration and upgrade projects
Strong analytical and problem-solving skills in complex technical environments
Demonstrated expertise in performance tuning and capacity planning

Skills

Connect:Direct
Communication skills
Collaboration
Self-directed research
Proactive, solutions-focused approach
Eagerness to learn and adapt

Location

Remote
New Jersey
New York
Maine
Pennsylvania
Massachusetts

Work Type

Remote
Full-time

Experience Level

Senior
10+ years of z/OS experience

Salary/Compensations

Location: Colorado, Connecticut, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, Rhode Island, Vermont – $140,000 – $194,250 USD
Location: California (except Bay Area counties), District of Columbia, New Jersey, New York, Washington State – $158,500 – $207,900 USD

Benefits

Annual bonus
Choice of three medical plan options
Dental plan option
Company credits towards medical and dental premiums
401(k) Plan with automatic 3% company contribution
Company match $1 for every $1 on the first 3% of eligible pay, plus 50 cents on every $1 on the next 2% of eligible pay
Company credits towards basic life insurance and basic accidental death and dismemberment coverage
Company credits towards short-term and long-term disability coverage
Optional Stock Purchase Plan
15 days of accrued vacation
Up to 3 personal days per year
11 annual holidays
8 hours of volunteer time
80 hours of sick time annually
Up to 16 weeks of paid maternity leave
6 weeks of parental or adoption leave at 100% of pay
Financial wellness programs
Educational assistance
Matching gifts
Recognition programs

About the Company

Ericsson uses a merit-based hiring approach that values people with different experiences, perspectives and skillsets.
We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team.

Equal Opportunity

Ericsson is proud to be an Equal Opportunity employer, learn more.