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 4 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
$19.57 per hour
...prorated to start date. Holidays: 10 paid holidays per year. Qualifications The ability to learn and perform all job functions of the Assembler Operator. The ability to read, comprehend and interpret written and graphic instructions on factory work orders and to understand...SuggestedShift work$19.57 per hour
Smurfit Westrock plc in Bethesda, Maryland, is hiring an Assembler Operator dedicated to sustainable packaging. This role requires physical strength as candidates will lift weights and perform various tasks while adhering to strict safety standards. Compensation starts...Suggested$100k - $120k
...Senior Appian Developer, Senior Location: Bethesda, MD Clearance: Public Trust Sponsorship: No sponsorship assistance is available for this position now or in the future. Hybrid: Minimum of 3 Days Onsite (May increase as Client needs may increase) Job Overview...SuggestedFor contractorsWork experience placementLCG
Bethesda, MD4 days ago- ...career development while valuing your unique skills and experiences. Your role and responsibilities This role will design and develop Appian solutions. This will include: • Implementing end to end process automation using Appian and other intelligent automation...SuggestedWorldwide
IBM
Bethesda, MD1 day ago - ...Senior Developer Job Location: Bethesda, MD (Onsite role) Java Module Lead with 5-8 year of demonstrated hands-on experience and Front-End developer experience. Education and experience required: Working experience on Java Angular, JavaScript, Postgress, AWS...Work experience placement
InterSources
Bethesda, MD4 days ago $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...- ...stakeholder needs within technical and operational constraints. Collaboration with Stakeholders Work closely with IC staff, developers, and other contractors to clarify requirements and address gaps in design or implementation. Facilitate discussions and...For contractors
Tenica and Associates LLC
Bethesda, MD24 days ago - IBM z15 and z16 Mainframe Support Supporting IBM z15 and z16 mainframe and z/OS 2.5 or higher operating system. As part of IBM zCloud resource pool, supporting the zCloud Offering which consists of the following clients: Federal Retirement Investment Board (FRTIB), ...Work at office
Software Technology Inc
Bethesda, MD4 days ago $85.15k - $153.93k
Overview Leidos has a new and exciting opportunity for an ETL Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Immediate startFlexible hours- ...or placement services. This position is contingent upon award of a government contract. Position Summary The Senior Web Developer serves as the technical lead for enterprise web platforms, public websites, Drupal environments, and SharePoint-based solutions supporting...Contract work
T and T Consulting Services
Bethesda, MD2 minutes ago - IBM Computing is looking for an Application Developer specializing in Asset Management located in Bethesda, Maryland. You will design and support EAM applications using IBM Maximo, focusing on creating efficient solutions that evolve with organizational needs. This role...
$104.65k - $189.18k
Leidos has a new and exciting opportunity for a Sr. MarkLogic Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Work experience placementImmediate startFlexible hours- A National Security Technology Company in Bethesda is looking for a MarkLogic Developer SME. The role involves developing MarkLogic-based applications, Agile DevOps support, and integrating with enterprise systems. Candidates should have 7+ years of experience, strong analytical...
$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$154.05k - $278.48k
Leidos has an exciting opportunity for a MarkLogic Developer SME 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 Methods and...Immediate startFlexible hours- 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...
$180k - $190k
...Plan (ESOP) company and have been consistently ranked as a top workplace in the DC area. Position We are actively hiring an ETL Developer with TS/SCI clearance and polygraph to support a program in Bethesda, MD. The candidate will design, develop, implement, and test...Contract work- Direct : (***) ***-**** Ext : 310 Job Description Location: Bethesda, MD Duration: Contract 4 - 8 years of experience in ECM / portal development Worked on Webserver/Jboss or other J2EE Application server Experience working on onsite / offshore model Proficient in technical...Contract workWork experience placement
$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 hoursDovel Technologies
Bethesda, MD2 days ago- ...something new and meaningful here! About the Role Our day-to-day work is in C# on .NET Core with MVC and Vue.js at the front-end. We develop software as simple as forms for data capture to Roslyn-based C# class - ReST API generators to custom patterns handling our...
Employee Navigator
Bethesda, MD2 days ago - ...Sr. Software Engineer Responsibilities: Gather requirements and develop technical, functional and solution documents. Architect and implement solutions, including design, development, integration, implementation and testing of client/server, N‑tier applications using Microsoft...Relocation
Compubahn
Bethesda, MD2 days ago $107.9k - $195.05k
...business management information systems . Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop enterprise AFEM (Automated Facial Extraction and Matching) capabilities. Participate in test, staging, and production...Local areaImmediate startRemote workFlexible hoursLeidos
Bethesda, MD4 days ago- ...what they're doing!We're committed to bringing passion and customer focus to the business. We are seeking a high-velocity Full Stack Developer to join our engineering team in a fast-paced startup environment. This role is designed for a self-starting engineer who can...Remote work
Lucyrx
Bethesda, MD4 days ago - ...ensuring congruence of the various infrastructure, software, configurations, and interfaces maintained under configuration control. Develop automated CI/CD build/deployment pipelines using Jenkins, Ansible and Bitbucket. Develop automated tests using Ansible and other...Local areaImmediate startRemote work
Via Logic LLC
Bethesda, MD2 days ago $136.29k - $214.17k
Base pay range $136,290.00/yr - $214,170.00/yr ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools...Full timeWorldwideZoomInfo
Bethesda, MD1 day ago$68.08k - $141.83k
...Job Summary The Frontend / UX Engineer is responsible for designing, developing, and optimizing user interfaces that deliver a secure, accessible, and intuitive experience for personnel and stakeholders. This role is central to the modernization of client's radiation...Contract workTemporary workRemote workFlexible hoursNTT DATA
Bethesda, MD1 day ago- ...Senior Embedded Software Developer Location: Commutable to Hertfordshire, Cheltenham, and Bristol — mostly on‑site (4 days/week on customer site, 1 day remote where appropriate) Clearance: Must be eligible and willing to undergo DV clearance (British Citizen, UK residency...Remote workFlexible hours
Leidos
Bethesda, MD34 minutes ago - Required Active TS/SCI w/ Poly BA/BS in a related discipline 7+ Years of experience Java 8+ allong with java11 for ATO purposes Angular JS Tomcat 9 MySQL8 (including SQL queries) Hibernate Maven Eclipse Elastic Search Linux commands Must remain on the client site during...
Avid Technology Professionals
Bethesda, MD3 days ago $107.9k - $195.05k
...operating systems Designing, implementing, and testing software to configure and control RF hardware devices Documenting the developed systems Support system field testing and collection events Must be willing to travel up to 10% of the time At...Local areaImmediate startFlexible hoursLeidos
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
- informatica etl developer Bethesda, MD
- developer contractor Bethesda, MD
- seo developer Bethesda, MD
- postgresql developer Bethesda, MD
- remote entry level developer Bethesda, MD
- senior tableau developer Bethesda, MD
- low code developer Bethesda, MD
- access developer Bethesda, MD
- progress developer Bethesda, MD
- senior developer Bethesda, MD