Sr. Mainframe Systems Programmer

Grow With Us

Ericsson Inc. does not sponsor U.S work authorizations for this job position including U.S. immigration filings for initial and/or change of employer paperwork for H-1's, H-1B1's, E-3's, O-1's, and TN's. Ericsson also does not hire F-1's working on CPT or EAD for this position.

Note: Due to the requirements of the National Security Agreement (CFIUS), only U.S. Citizens are eligible for this position.

About this opportunity

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.

What you will do

• 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

Note: Due to the requirements of the National Security Agreement (CFIUS), only U.S. Citizens are eligible for this position.

The skills you bring

You must have:

• 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

It would be nice if you also have:

• Experience with Connect:Direct is a plus

• Strong communication skills and ability to collaborate effectively across teams

• Self-directed research ability with a proactive, solutions-focused approach

• Eagerness to learn and adapt in a dynamic environment

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?
Click Here to find all you need to know about what our typical hiring process looks like.

Ericsson uses a merit-based hiring approach that values people with different experiences, perspectives and skillsets. We truly believe this approach drives innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity employer, learn more.

If you need assistance or to request an accommodation due to a disability, please contact Ericsson at hr.direct.americas@ericsson.com.

DISCLAIMER: The above statements are intended to describe the general nature and level of work being performed by employees in this position. They are not an exhaustive list of all responsibilities, duties and skills required for this position, and you may be required to perform additional job tasks as assigned.

Primary country and city: United States (US) | New Jersey, New York, Maine, Pennsylvania, Massachusetts

Job details: Solution Architect

Compensation and Benefits at Ericsson
At Ericsson, we know that our people are the key to our success. We offer a competitive package to help with your individual needs and goals.

Your Pay
The salary range for this position is dependent on various factors including, but not limited to, location, and the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience.

The salary range for this position is

• 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

Short-Term Variable Compensation Plan: Your pay also includes the opportunity for an annual bonus. Actual bonus payouts are based on performance of the business against the unit’s objectives, individual performance, and the individual bonus target. Certain eligibility and pro-ration rules apply.

Your Health
Ericsson offers excellent health benefits including the choice of three medical plan options and a dental plan option that allow an employee to select the level of coverage that suits their needs. Employees will receive company credits in an amount equal to the cost that Ericsson pays toward the cost of their medical and dental premiums for themselves and eligible covered dependents.

Your Financial Security

We invest in both your short and long-term financial wellbeing. The Ericsson US 401(k) Plan offers an automatic 3% company contribution and Ericsson match $1 for every $1 you put into the 401(k) Plan on the first 3% of your eligible pay, plus 50 cents on every $1 on the next 2% of eligible pay. When you contribute at least 5% of eligible pay, you are receiving Ericsson’s full matching contributions of 4%. Matching and company automatic contributions stop when your total eligible pay for the year reaches the IRS limits. Employees will also receive company credits in an amount equal to the cost of basic life insurance and basic accidental death and dismemberment coverage, as well as short-term and long-term disability coverage. Employees also have the option to participate in Ericsson’s Stock Purchase Plan.

Your Time
Your work-life balance is important to us. New employees are provided a minimum of 15 days of accrued vacation, up to 3 personal days per year, 11 annual holidays, 8 hours of volunteer time, and 80 hours of sick time annually. Please note paid time off is pro-rated based on the employee’s start date. Furthermore, Ericsson provides up to 16 weeks of paid maternity leave and 6 weeks of parental or adoption leave at 100% of pay.

Additional Benefits
Ericsson offers many other company-paid benefits such as financial wellness programs, educational assistance, matching gifts, and recognition programs.