Sr. Mainframe Engineer

Merrifield, VA

Apply Apply with LinkedIn
Save

Type: Contract

Experience: 0

Category: Information Technology

Contractor Work Model: Remote

Brand: System One

Job ID: 346833

Date Posted: 02/25/2026

Shortcut: http://jobs.systemone.com/g5nBVV


Job Title: Sr. Mainframe Engineer
Location: Remote
Pay Rate: Open to Both C2C and W2 options
Position Type: Multiyear Contract

Candidates must have at least 5 years of recent FIS experience. In addition, candidates must live in the US and have at least 3 years of experience working in the US.

Please DO NOT apply to this role if you do not have FIS experience on your resume.


Description:
IBM Mainframe COBOL - 10 Years
IBM Mainframe JCL - 10 Years
IBM Mainframe Tools (Sort/IDCAMS/ADRDSSU) - 10 Years
FIS (Systematics) - 5 to10 Yrs
EZTrieve - 5+ Years
Excel Experience - 5+ Years
ChangeMan - 5+ Years
CICS - 3-5 Years





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.

#M-
#LI-
#DI-

Ref: #851-Rockville-S1

  • Sr Ab Initio Data Engineer

    Reston, VA

    Job Title: Sr Ab Initio Data Engineer Location: Reston, VA Type: 12 mos contract Compensation Contractor Work Model: Hybrid Local candidates only who reside in the DMV - drivable distance We are looking for a Senior Ab Initio developer with many years ...

    Date Posted: 02/13/2026 Recommended

  • Mainframe Assembler/Programmer

    Vienna , VA

    Job Title: Mainframe Assembler/Programmer Location: REMOTE Pay Rate: Open to 1099 and W2 Position Type: Multiyear Contract Candidates Must be eligible to work in the US without sponsorship Candidates must have a minimum of 10 years of RECENT Assembler ...

    Date Posted: 02/09/2026 Recommended

  • Sr IBM ITX ITXA Mapping Developer / Engineer

    Reston, VA

    Title: Senior Software Engineer (IBM ITX SME) Location: Mostly remote Onsite: Reston, VA (3-4 times per year) Duration: 12-month contract to hire Contact: Cdinnocenti@altaits.com PURPOSE The Senior Software Engineer performs complex analysis, design, a...

    Date Posted: 01/29/2026 Recommended

  • Sr Salesforce Developers

    Washington, DC

    Job Title: Salesforce Developer Location: DMV area ( Local candidates only - DC, MD, NoVA ) Work Model: Hybrid (onsite 1-2X per week – Columbia and Canton (MD), and Washington DC (Met Square) Employment Type: 12 + month contract + good chance of extens...

    Date Posted: 02/26/2026 Recommended

  • Sr. Network Engineer

    Kings Point, NY

    Job Title: Sr. Network Engineer Location: Kings Point, NY (Onsite) Type: W2 Contract Compensation: $50.00 - $60.00 hourly Contractor Work Model: Hybrid (3 days in office, 2 days remote) Security Clearance: Per government contract, the candidate must be...

    Date Posted: 02/05/2026 Recommended

  • Sr Medical Director, Global Medical Affairs

    Florham Park, NJ

    Job Title: Sr Medical Director, Global Medical Affairs Location: Florham Park, NJ Type: Contract - 3-6 months Contractor Work Model: Hybrid Notes: Must have Rare Disease or Virology or Covid-19 Must have Global experience Experience strategizing and ov...

    Date Posted: 02/17/2026 Recommended

  • Sr. C# Developer

    Washington, DC

    Job Title: Sr. Software Developer (C#/ .NET) Location: Washington, DC 20036 (onsite) Compensation: $73.50 - $90.00 W2 hourly Security Clearance: Active Public Trust System One is hiring a Senior C# Software Developer on the ESA V program. ESA V is an I...

    Date Posted: 02/24/2026 Recommended

  • Sr. Voice Engineer w/CCNP Collaboration

    Washington, District Of Columbia

    Sr. Voice Engineer w/CCNP Collaboration Location: Bolling AFB- Washington, DC Contractor Work Model: 100%Onsite Type: Direct Permanent Hire Per Federal Govt Contract U.S. Citizenship is required Must have active Top Secret clearance Compensation: $1800...

    Date Posted: 02/04/2026 Recommended

  • Sr Project Manager

    Cranberry Township , Pennsylvania

    Job Title: Senior Project Manager Location: Cranberry Twp, PA Type: Direct-Hire Compensation: 90-120K Contractor Work Model: Onsite Senior Project Manager – Custom Capital Equipment Objective Oversee engineered-to-order industrial machinery projects fr...

    Date Posted: 02/04/2026 Recommended

  • Sr . Structures (Bridge) Estimator

    Kansas City, MO

    Job Title: Sr. Structures (Bridge) Estimator Location: Kansas City, MO Sr . Structures (Bridge) Estimator Seeking a Senior Structures Estimator to join our dynamic team and contribute to our legacy of building the foundations for future generations. Jo...

    Date Posted: 01/26/2026 Recommended

  • Sr Administrative Assistant

    San Rafael, CA

    Job Title: Sr Administrative Assistant Location: San Rafael, CA, United States Type: Contract Compensation: $25.00- $34.89 Contractor Work Model: On-Site, Hybrid Role (Need to be in San Rafael Office When Needed, Approximately 5 days per month) Hours: ...

    Date Posted: 02/26/2026 Recommended

  • Sr Account Executive/Business Development Manager

    Edison, New Jersey

    Job Title: Sr Account Executive/Business Development Manager Location: Edison, NJ (hybrid, 3 days onsite) Type: Direct Hire Compensation: 60,000-80,000 Base Salary, Plus Commission Schedule: Monday - Friday 8am-5pm About Joule Joule, a division of Syst...

    Date Posted: 02/27/2026 Recommended

  • Sr Account Executive/Business Development Manager

    Boston, Massachusetts

    Job Title: Sr Account Executive/Business Development Manager Location: Boston, MA (hybrid, 3 days onsite) Type: Direct Hire Compensation: Base Salary, Plus Commission Schedule: Monday - Friday 8am-5pm About Joule Joule, a division of System One, is a t...

    Date Posted: 02/27/2026 Recommended

  • Sr Account Executive/Business Development Manager

    Minneapolis, Minnesota

    Job: Business Development Manager Location: Minneapolis, Minnesota Schedule: M–F, 8am–5pm | Hybrid (3 days onsite) Compensation: Base salary plus commissions About Joule Joule, a division of System One, is a top-ranked scientific workforce solutions an...

    Date Posted: 02/27/2026 Recommended

  • Sr Account Executive/Business Development Manager

    Blue Bell, Pennsylvania

    Job Title: Sr Account Executive/Business Development Manager Location: Blue Bell, Pennsylvania (hybrid, 3 days onsite) Type: Direct Hire Compensation: Base Salary, Plus Commission Schedule: Monday - Friday 8am-5pm About Joule Joule, a division of Syste...

    Date Posted: 02/27/2026 Recommended

  • Sr. Industrial Mechanic

    Washington , Pennsylvania

    Job Title: Sr. Industrial Mechanic Location: Washington , PA Type: Direct Hire Compensation: $83200 annually Contractor Work Model: Onsite Objective Diagnose, repair, and restore electromechanical systems including electric motors, pumps, and related a...

    Date Posted: 01/21/2026 Recommended

  • Contractor Sr Manager, RWE Programmer

    Plainsboro, NJ

    Job Title: Contractor Sr Manager, RWE Programmer Location: Plainsboro, NJ Hybrid: 3 days onsite, 2 days work from home Contract Opportunity Must be eligible to work for any employer in the US We are seeking a Senior Manager / Programmer – Real World Ev...

    Date Posted: 02/10/2026 Recommended

  • Sr. IT QC Specialist

    Nashville , TN

    Job Title: Senior IT Quality Control Specialist – CSV/CSA Location: 100% Remote (CST preferred) Hours/Schedule: Monday–Friday, standard business hours Compensation: $43-47/hour DOQ Type: Contract (12 months) Overview The Senior IT Quality Control Speci...

    Date Posted: 02/19/2026 Recommended

  • Data Architect Sr - Contractor

    Pittsburgh, PA

    Java Architect Position Location: Pittsburgh PA (Onsite) Length of Assignment: 1 year Roles and Responsibilities: 8-10 years total experience with at least 5-6 years of specific experience in the below items Get up to speed with the App BAU vulnerabili...

    Date Posted: 02/27/2026 Recommended

  • Desktop Support

    Merrifield, VA

    Job Title: Desktop Support Location: Onsite at Vienna, VA Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Interpersonal/Communication: • Excellent communication skills • Excellent customer service skills • Professional prese...

    Date Posted: 02/25/2026 Recommended

  • Sr. Business Analyst

    Rockville, Maryland

    If interested reach out directly to kimberly.spicer@systemone.com or call/text 301-252-8762 Job Title: Sr. Business Analyst REMOTE US Citizenship Required: due to gov clearance requirement How a Senior Business Analyst will Make an Impact: -Collaborate...

    Date Posted: 02/12/2026 Recommended

  • I&C Manufacturing Engineer

    Corvillas, OR

    Job Title: Remote I&C Manufacturing Engineer Location: Corvallis, OR Type: Direct Hire Salary: $111,000 – $134,000 Work Model: Remote with 10–25% travel System One is seeking an I&C Manufacturing Engineer to support nuclear instrumentation and control ...

    Date Posted: 02/27/2026 Recommended

  • Informatica Administrator

    Leesburg, VA

    Job Title: Informatica Administrator Location: Hybrid, out of Baltimore, MD Position Type: Long Term Contract Pay Rate: Negotiable Requirements • Perform day-to-day operational support, administration, and troubleshooting for enterprise applications an...

    Date Posted: 02/06/2026 Recommended

  • Resident Sales Associate (Inside Sales)

    Jersey City, New Jersey

    Job Title: Resident Sales Advisor Location: Jersey City, NJ Hours / Schedule: 9AM – 5PM OR 10AM – 6PM (Monday – Friday); Onsite Type: Direct Hire Compensation: $70,000 annually + commission (5% New Clients / 4% Recurring and Dormant Orders) This compan...

    Date Posted: 01/20/2026 Recommended

  • Help Desk Lead (TS/SCI clearance)

    Quantico, Virginia

    Help Desk Lead Quantico, Virginia - Onsite Security Clearance: Active TS/SCI Major Duties & Responsibilities: Serve as the primary point of contact for end users to provide ongoing support, monitoring, and life cycle management of incident tickets. Pro...

    Date Posted: 02/13/2026 Recommended

  • Cloud Software Engineer

    Fort Meade, MD

    Cloud Software Engineer Ft Meade, MD - onsite TS/SCI Full Scope Poly Job Description: Provide cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, ...

    Date Posted: 02/12/2026 Recommended

  • Accountant

    Tulsa , Oklahoma

    Job Title: Accountant Location: Tulsa , Oklahoma Type: Contract To Hire Compensation: $25 - $30 hourly Contractor Work Model: Onsite We are seeking an experienced Accountant to support a growing organization with day-to-day financial operations. This r...

    Date Posted: 02/06/2026 Recommended

  • Senior Safety Methodology Engineer

    Bellevue, WA

    Job Title: Senior Safety Methodology Engineer Location: Bellevue, WA Type: Contract Compensation: $67 - $110 hourly Contractor Work Model: Remote About This Opportunity System One is seeking to place a Senior Safety Methodology Engineer with our client...

    Date Posted: 01/08/2026 Recommended

  • Senior Administrative Coordinator

    Tarrytown, NY

    Job Title: Senior Administrative Coordinator Location: Tarrytown, NY Type: Long term Contract Compensation: $40 - $50 hourly Contractor Work Model: Onsite Hours: 8 AM- 5 PM M-F Step into a high-impact role where precision, partnership, and proactive pr...

    Date Posted: 02/18/2026 Recommended

  • Project Coordinator

    Raritan, New Jersey

    Job Title: Project Coordinator Location: Raritan, New Jersey Type: Contract – Project based, long term Compensation: $70,000 - 80,000/yr, commensurate with experience, as well as 20 paid vacation days, 10 paid holidays, health benefits, 401K Contractor...

    Date Posted: 02/24/2026 Recommended