Mainframe Assembler (ALC) Developer
Tilodynamics
- New York, New York, United States
- New York, New York, United States
About
We are seeking an experienced Assembler (ALC) developer to support a large federal system modernization effort. In this role, you will design, maintain, and enhance mainframe ALC and JCL programs, help convert legacy ALC modules into Java, and collaborate with Agile teams to deliver secure, reliable solutions. Candidates should bring 5+ years of ALC development experience, strong debugging and documentation skills, and the ability to work closely with both technical teams and business stakeholders. Knowledge of IRS BMF/IMF/CADE2 systems and an active or prior IRS MBI clearance are a plus. About TILO DYNAMICS LLC
Tilo Dynamics is a Washington, DC–based professional services firm specializing in IT, data analytics, systems engineering, and staffing solutions. As a Certified Business Enterprise (CBE), we partner with government agencies and private sector organizations to deliver innovative, cost-effective results. Our team brings a blend of technical expertise and human-centered problem solving, with a strong commitment to quality, collaboration, and client success. Description
Position Overview
We are seeking an experienced
Mainframe Assembler (ALC) Developer
to support a large-scale federal modernization program. This role is
100% remote
but based in Washington, DC, with occasional collaboration required with DC-area teams. Key Responsibilities
Design, develop, and maintain
Mainframe ALC and JCL programs . Analyze, document, and convert complex
ALC modules to Java . Support Java developers by explaining ALC logic and functionality. Execute
unit and integration testing
to ensure technical accuracy. Translate business requirements into formal technical solutions. Document ALC logic, conversion processes, and modernization steps. Work within an
Agile team
to modernize existing legacy systems. Contribute to full
SDLC activities , including architecture recommendations. Required Qualifications
5–8+ years
of experience developing applications in
Assembler (ALC) . Strong skills in
JCL
and mainframe environments (z/OS, MVS). Experience with
ALC-to-Java conversions
and system documentation. Prior experience on
medium to large-scale government contracts . Solid understanding of Agile development practices. Strong communication and collaboration skills, able to work independently and in teams. Preferred Qualifications
Familiarity with
IRS BMF/IMF/CADE2 systems . Bachelor’s degree (additional experience considered in lieu of degree). Knowledge of Java is a plus. Active or prior
IRS MBI clearance
preferred. Professional Skills
Excellent oral/written communication and time management. Strong problem-solving, defect resolution, and proactive learning abilities. Ability to thrive in a
collaborative, high-performing team environment .
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Languages
- English
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