Job Description
Job Title: Sr. Mainframe Engineer
Location: Remote
Pay Rate: Open to Both W2 and established 1099 options
Position Type: Multiyear Contract
We are looking for senior mainframe engineers with 10-15 years of experience ideally in banking. Candidates must have extensive MS Excel experience for balancing and reconciliation (no advanced scripting required). Candidates must live in the US and have at least 3 years of experience working in the US.
Primary Responsibilities:
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #851-Rockville-S1
Location: Remote
Pay Rate: Open to Both W2 and established 1099 options
Position Type: Multiyear Contract
We are looking for senior mainframe engineers with 10-15 years of experience ideally in banking. Candidates must have extensive MS Excel experience for balancing and reconciliation (no advanced scripting required). Candidates must live in the US and have at least 3 years of experience working in the US.
Primary Responsibilities:
- Balancing work (core focus)
- Manual tracking and reconciliation
- Updating and reapplying existing user/vendor code (minimal new development)
- Testing and validation
Key Skill Requirements & Flexibility
Core Technical Skills
Core Technical Skills
- COBOL / Mainframe programming (10-15 years)
- JCL
- Mainframe tools:
- CA7
- ADR/DSU (backups)
- IBM mainframe utilities
- CICS: preferred (3–5+ years)
- ChangeMan: preferred, not required
- Target: 10-15 years
- Required, but flexible (3-5 years)
- Essential for balancing and reconciliation
- No advanced scripting required
- Referencing multiple workbooks
- Linking external files
- Using formulas for reconciliation
- Key tool for modernizing and supporting mainframe output balancing
- Banking experience: strongly preferred
- Regulatory experience: acceptable
- Highly desired but will train for the right candidate
- Global experience acceptable
- Java: nice-to-have
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #851-Rockville-S1
Numbers & Facts
| Location | Merrifield, Virginia (Remote) |
| Industry | Staffing/Employment Agencies |
| Company Size | 2,500 to 4,999 employees |
| Website | https://systemone.com |
About Company
Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives.
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.
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