Assembler Developer
Software Technology Inc
Assembly Language Developer
We are seeking a highly experienced Assembly Language Developer with deep expertise in IBM z/OS mainframe environments, IRS Core Record Layouts (CRL), and legacy system modernization. The ideal candidate will support the extraction of business rules from legacy code, assist in code conversion to modern platforms, and work with mission-critical IRS systems such as the Individual Master File (IMF) and Business Master File (BMF).
Key Responsibilities:
- Analyze, maintain, and enhance legacy code written in IBM z/OS assembly language.
- Extract business rules from existing assembly code and assist in code conversion efforts.
- Work with IRS Core Record Layouts (CRL) and QSAM data formats to support data processing and transformation.
- Collaborate with cross-functional teams to ensure accurate interpretation and migration of legacy logic.
- Utilize CA Endevor Software Change Manager (SCM) for version control, release management, and secure code handling.
- Leverage BMC Control-M for job scheduling, workflow automation, and monitoring batch job execution.
Required Skills/Level of Experience:
- Bachelor’s degree in Computer Science, Information Systems, or a related field.
- In-depth knowledge of IBM z/OS assembly language , including:
- Assembly instructions, addressing modes, and data manipulation techniques
- Job control processing and JCL
- Familiarity with IBM mainframe architecture , including:
- Storage hierarchy (registers, memory, I/O)
- System calls (SVCs) and interrupt handling
- Experience with IRS Core Record Layouts (CRL) and QSAM/VSAM data formats (highly desirable).
- Experience with IRS IMF or BMF systems (highly desirable).
- Proficiency with CA Endevor SCM for secure and controlled software development lifecycle management.
- Experience with BMC Control-M for job automation and workflow orchestration.
- Strong understanding of mainframe development tools , including debuggers, assemblers, linkers, and utilities.
- Familiarity with DB2 and other legacy data storage formats.
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Assembler Developer in Bethesda, MD vacancy
- ...machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure...Suggested
$3,000 per month
...process being used on any particular project • Design or implement complex database or data repository interfaces/queries • Develop or implement algorithms to meet or exceed system performance and functional standards • Assist with developing and executing test...Suggested$180k - $190k
...Etl Informatica Developer • Washington, DC Last updated: less than 1 hour ago Position Overview Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. customers. We are an Employee...SuggestedAcclaim Technical Services
Bethesda, MD5 days ago$180k - $200k
...support sustainable growth, grounded in a culture of entrepreneurship, innovation, partnership, dedication, and integrity. The Senior Developer, Affordable Housing, supports all aspects of affordable housing acquisitions, rehabilitation, and development (Section 8, Public...SuggestedContract workLocal areaFairstead ESC LLC
Bethesda, MD5 days ago- ...Data Integration And Business Intelligence Developer We are seeking a highly experienced Data Integration and Business Intelligence (BI) Developer with deep expertise in Databricks, AWS cloud technologies, and Tableau. The ideal candidate will have a strong background...Suggested
Samprasoft
Bethesda, MD3 hours ago $80k - $83k
...Cold Fusion Developer Location: Silver Spring, MD (onsite; local highly preferred) Public Trust Eligible Blu Omega is seeking a Cold Fusion Developer to support one of our clients, contributing to enterprise systems operations and modernization efforts. This role supports...Temporary workLocal areaBlu Omega LLC
Silver Spring, MD2 days ago$84.84k - $153.55k
...difference for students and society aren't separate goals—they're one and the same. This means creating an environment where colleagues can develop new skills, build careers that match their ambitions and see the tangible impact of their work on healthcare education and...Full timeTemporary workWork at officeVisa sponsorshipWork visaFlexible hoursCovista
Silver Spring, MD3 days ago$120k - $170k
...certifications in addition to other position specific requirements which may impact salary. Position Overview Amatriot is seeking a LabVIEW developer to support the Naval Architecture and Engineering department, Code 85, at the Naval Surface Warfare Center, Carderock Division (...Full timeRemote work- Developer Full-stack AI Agentics with Security Clearance at Mindbank Consulting Group . Key technologies: Software Development, System Design, Problem Solving. Key Responsibilities Design, develop and maintain scalable software systems Write clean, well‑tested and documented...
- The Amatriot Group is seeking a LabVIEW developer to support the Naval Architecture and Engineering department at the Naval Surface Warfare Center in Bethesda, MD. The role involves developing software to collect data for tests, providing on-site support, and assisting...
$20 - $25 per hour
Job Description Job Description Cable Technician - $20-$25/hr - DOE We are currently hiring Cable Technicians with 2+ years of experience performing low voltage cable installation in a commercial environment. Candidates are encouraged to apply ASAP as we have an...Weekly payPermanent employmentTemporary workFor contractorsCurrently hiringImmediate startNight shiftOutsource
Vienna, VA12 days ago- ...Assembler I Location: South Chesterfield, VA, US, 23834 Work Arrangement: Onsite Dover Food Retail (DFR) is a leading manufacturer of Display Cases, Specialty Products, Refrigeration Systems, Power Systems and Comprehensive Services; and leading our industry by Innovating...Temporary workWork experience placementFlexible hoursShift work
Dover Corporation
Arlington, VA5 days ago $18 per hour
...Job Title: Assembler Job Description We are seeking a reliable Assembler to build machinery and equipment according to specifications. This role involves reading drawings, using tools, and ensuring finished products meet quality standards. Key Responsibilities...Weekly payContract workTemporary workShift workAerotek
Beltsville, MD5 days ago- ...Assembler Position Ready to expand your horizons in a safe, collaborative and highly productive work environment? Ready for weekly pay, employee perks and full benefits, too? We're hiring assemblers for both repetitive and non-repetitive production assembly roles right...Weekly payImmediate start
Randstad
Beltsville, MD5 days ago - ...Assembler II Location: South Chesterfield, VA, US, 23803 Work Arrangement: Onsite Dover Food Retail (DFR) is a leading manufacturer of Display Cases, Specialty Products, Refrigeration Systems, Power Systems and Comprehensive Services; and leading our industry by Innovating...Temporary workFlexible hours
Dover Corporation
Arlington, VA4 days ago - ...project management, applications development, infrastructure, Cyber security, and enterprise content/data management services. We have developed our methodologies and processes based on the IT Infrastructure Library (ITIL) v.3 Framework across enterprise infrastructure...
Comtech LLC
Silver Spring, MD1 day ago $107.9k - $195.05k
...Description Leidos has an exciting opportunity for a Sr. Full Stack Developer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Immediate startFlexible hoursVia Logic LLC
Bethesda, MD3 days ago- ...Black Canyon Consulting (BCC) is searching for a Sr. Full Stack Developer to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. This opportunity is...Full timeWork at officeRemote work
Black Canyon Consulting LLC
Bethesda, MD3 days ago $20 per hour
...Eaton's IS AER FED division is currently seeking a Coupling Assembler - 3rd Shift to join our team in Beltsville, MD! The core hours are 11 pm - 7 am. The hourly rate for this position is $20.00 per hour + 10% shift premium. Please note the salary information...Hourly payPermanent employmentTemporary workH1bLocal areaVisa sponsorshipRelocation packageShift workNight shiftEaton Aerospace
Beltsville, MD5 days ago- ...Requirement Senior Oracle Developer(must be local face to face required) USM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing and Technology assistance supplier headquartered in Chantilly, VA with...Local areaWorldwide
USM
Chevy Chase, MD2 days ago $98k - $163k
...Will Do * Design, build, and maintain backend services in Node.js/Express, exposing secure REST APIs for MeSH editing and browsing. * Develop responsive Angular front-ends (Angular Material, Bootstrap, RxJS) for record, concept/term, and tree editing and for public search....Temporary workFlexible hoursGuidehouse Careers
Bethesda, MD3 days ago$107.9k - $195.05k
...Description Leidos has an exciting opportunity for a Sr. Full Stack Developer in the Intel Security Sector's Analysis Solutions Business Area. Our team works on Security Engineering, Computer Network Operations, Mission Software, Analytical Methods and Modeling, Signals...Immediate startFlexible hoursLeidos
Bethesda, MD2 days ago$75k - $110k
Capital Technology Group provides expert consulting services software development, digital transformation, human-centered design, data analytics and visualization, and cybersecurity. Our multidisciplinary teams use agile methodologies to rapidly and incrementally deliver...Full timeTemporary workRemote workCapital Technology Group, Inc.
Silver Spring, MD4 days ago- ...Overview Black Canyon Consulting (BCC) is searching for a Full Stack Developer to support our work at the National Institutes of Health (NIH). This opportunity is full time and onsite/hybrid at the NIH in Bethesda, MD. Job Description The Controlled Data Access (CDA) team...Full time
brawijaya chess club
Bethesda, MD2 days ago $240k - $280k
...Senior Full Stack Developer / Fixed Income Technology Why You'll Actually Care District Partners is recruiting for an established, well-capitalized mortgage REIT and fixed income investor building the next generation of the technology behind its trading, analytics, and...Full timeRemote workDistrict Partners
Bethesda, MD5 days ago$110k - $115k
...We need an experienced Back End Application Developer at the Naval Dosimetry Center (NDC) in Bethesda, Maryland. NDC serves as the Navy's ionizing radiation dosimetry center of excellence, providing naval commands worldwide with radiation dosimetry processing, consultation...Full timeWork at officeWorldwideWest 4th Strategy
Bethesda, MD5 days ago$100k - $125k
...TimemidBethesda, Maryland, USPosted Today## Role OverviewGeneral Dynamics Information Technology is hiring a mid-level Full Stack Developer. This is a full-time role in Bethesda. Part of General Dynamics Information Technology's Lifecycle hiring, posted today. applications...Full timeTemporary workImmediate startWorldwideFlexible hoursTryApplyNow
Bethesda, MD3 days ago- We are seeking a Scientific, Engineering, and Technical Assistance (SETA) SharePoint Engineer to join our team in support of a government research funding organization dedicated to investing in high-risk, high-payoff research programs to tackle some of the most difficult...Work experience placement
Barone Consulting
Bethesda, MD2 days ago - ...Black Canyon Consulting (BCC) is searching for a Full-Stack Developer (Python/Django/Angular) to support the National Center for Biotechnology Information (NCBI), part of the U.S. National Library of Medicine, National Institutes of Health. This is a hybrid position. Candidates...2 days per week
Black Canyon Consulting LLC
Bethesda, MD3 days ago $113.2k - $237.8k
...Responsibilities Provide decomposition of mission and operational needs into system, functional, interface, and integration requirements Develop mapping of business and operational workflows to IT systems, applications, and services to identify system touchpoints and...Full timeContract workWork experience placementFlexible hoursCACI International
Bethesda, MD5 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Assembler Developer. Be the first to apply!
Related searches
- senior magento developer Bethesda, MD
- report developer Bethesda, MD
- developer Bethesda, MD
- programmer no experience Bethesda, MD
- aws developer Bethesda, MD
- gis developer remote Bethesda, MD
- senior tableau developer Bethesda, MD
- tableau developer remote Bethesda, MD
- entry level programmer Bethesda, MD
- weekend programmer Bethesda, MD