Senior Mainframe Assembler Developer

Job Title: Senior Mainframe Assembler Developer

Location & Pay Rate:

Charlotte, NC - Pay Rate: $65.06

Addison, TX - Pay Rate: $68.25

Duration: Contract - 12 months

Job ID: 407702

About BCforward

BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients. Founded in 1998, BCforward has grown with our customers needs into a full-service business solutions provider. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.

Job Description

We are seeking a Mainframe Assembler Developer to join our dynamic team. The ideal candidate will have strong experience in IBM z/OS assembler, batch processing, and enterprise scheduling and a proven ability to analyze, maintain, and enhance mission-critical high-volume financial batch systems.

Responsibilities:

• Own support and enhancement of legacy IBM z/OS assembler applications.


• Design, develop, and troubleshoot HLASM and JCL for high-volume batch workloads.


• Manage production batch schedules, SLAs, and recovery procedures.


• Analyze complex assembler codebases and deliver performance and reliability improvements.


• Operate within TSO/ISPF and administer GDGs, datasets, and VSAM structures.


• Coordinate changes and deployments using ISPW or equivalent tools.


• Support parallel sysplex, multi-LPAR environments, and workload distribution.


• Respond to incidents, conduct root cause analysis, and document fixes.

Required Skills & Qualifications:

• 8+ years of IBM Mainframe application development and production support.


• Assembler (HLASM) programming expertise.


• JCL development, troubleshooting, and batch processing with GDGs.


• Experience with Connect:Direct (NDM), ISPW or equivalent change management, and CA7 scheduling.


• Proficiency in TSO/ISPF and use of GitHub Copilot.


• Background supporting high-volume financial transaction and production batch environments with strict SLAs.


• Knowledge of sysplex architectures, multiple LPARs, and workload distribution.


• Understanding of mainframe datasets, VSAM, utilities, and production support processes.


• Experience using ServiceNow and/or Remedy for incident management.


• Ability to work independently in loosely documented legacy environments and resolve critical production issues quickly.

Preferred Skills:

• Experience in financial services or banking.


• Background with check processing, image item processing, or payment platforms.


• Delivery of high-throughput, near-continuous availability transaction systems.


• Familiarity with SMP/E for maintenance and upgrades, and SAR or similar reporting tools.


• Experience supporting assembler applications during platform upgrades and macro or compatibility changes.

Engagement Details

• Start month: September.


• Interview: Two rounds. Video required. TX via Teams, CLT in person.


• Hybrid schedule: Minimum three days onsite per week.


• ID verification via Glider.


• Maximum submissions per vendor: 3.

Why BCforward?

At BCforward, we believe in advancing lives and careers. When you join our team, you gain access to:

• Competitive compensation and benefits.


• Opportunities for growth with global clients.


• A supportive, inclusive culture that values innovation and people.


• Exposure to cutting-edge technologies and projects.

About Our Commitment

BCforward is an equal opportunity employer. We value diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, or veteran status.

Interested? Apply Now!

If this sounds like the right opportunity for you, please apply with your most recent resume. On your resume, include your current location, relocation plan, availability or start date, and whether a cooling-off period applies.