Job Closed
This listing is no longer active.
Expertise and Technology for National Security
Senior Mainframe Software Developer
Location
United States
Posted
128 days ago
Salary
$75.2K - $158.1K / year
Seniority
Senior
Job Description
Senior Mainframe Software Developer
CACI International Inc
• Research, design, develop, and modify software systems including COBOL applications and batch jobs using JCL. • Present ideas for system enhancements and maintain knowledge of feature or technical changes within the application. • Transition workflows from legacy green-screens to modern tools such as Zowe and VS Code. • Conduct impact analysis for software changes and develop detailed technical designs and cost/task estimates. • Work closely with business analysts, designers, and subject matter experts to define requirements and technical solutions. • Produce detailed specifications, write software code, and develop interfaces or conversion routines leveraging APIs. • Conduct unit tests, document findings, and support formal testing. • Manage code migrations and adhere to program configuration change control standards and tools like Endevor CM and Gitlab. • Support the nightly batch cycles, participate in an on-call rotation, and provide daily system status updates.
Job Requirements
- U.S. Citizen with the ability to obtain a NACI security clearance.
- Bachelor's degree plus 8 years of experience, OR a High School Diploma plus 12 years of experience.
- 4+ years of hands-on experience with JCL and COBOL development.
- Proficient in IBM z/OS utilities, TSO, and ISPF.
- Understanding of the structure and functionality of COTS applications (e.g., Oracle, SAP, and Momentum).
- Strong interest in or experience with adopting modern platforms like Zowe and VS Code.
- Ability to work independently in a small-team environment and lead technical discussions with stakeholders.
Benefits
- healthcare
- wellness
- financial
- retirement
- family support
- continuing education
- time off benefits
Related Guides
Related Job Pages
More Full-stack Engineer Jobs
• Research, design, and build AI-powered product prototypes across the Ekwa AI Labs portfolio, from idea to working implementation, owning technical and product execution end-to-end. • Rapidly experiment, iterate, and improve prototypes based on internal testing and defined success criteria. • Collaborate with internal stakeholders as needed. • Support founding and early client testing phases by refining product functionality, fixing issues, and improving usability. • Track learning velocity, prototype performance, and iteration outcomes to inform next steps and product decisions. • Document technical decisions, experiments, and learnings clearly to support future product development and scaling. • Research industry trends (dental, aesthetics, and broader healthcare) and integrate AI innovation best practices.
Role Description You’ll join an experienced, collaborative consultancy team delivering greenfield, enterprise-scale digital services for high-profile public and private sector clients. This opportunity is ideal for a practical, adaptable Geospatial Full Stack Engineer who enjoys working across disciplines and solving complex problems and challenges that will have a real-world impact. - Collaboration sits at the heart of how our client operates, partnering closely with colleagues across Software Engineering, User-Centred Design, Delivery Management, Data Science and Live Services. - Technology-agnostic approach, focusing on choosing the right tools for each problem. - Regularly work with .NET, Java, Python, Node.js, AWS and Azure, providing scope to broaden skills and develop career across a range of languages and platforms. - Projects involve Geographic Information Systems (GIS) and open-source geospatial technologies, helping clients unlock the value of location-based data through mapping, spatial analysis and data-driven decision making. Qualifications - 3+ years’ experience in a Full Stack Engineering role - Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries - Experience working in Agile environments (Scrum, Kanban, TDD) - Solid understanding of architectural and design patterns, including microservices and serverless - Hands-on experience designing and delivering solutions on AWS or Azure - Experience working with GIS systems or geospatial data, and familiarity with tools such as Leaflet, OpenLayers, QGIS, GeoServer, PostGIS, etc. - A collaborative mindset and experience working in multi-disciplinary teams Requirements - Experience working in a consultancy environment - Exposure to public sector projects - Familiarity with CI/CD tooling (e.g. Jenkins, Terraform) - Awareness of the Digital Service Standard and Technology Code of Practice, particularly in geospatial or public sector contexts Role and Responsibilities - Design and deliver high-quality solutions: building, enhancing and maintaining software, infrastructure and deployment pipelines that are robust, secure and scalable. - Work collaboratively across disciplines: partnering with Senior and Lead Engineers, Delivery Managers, Designers and Data Scientists to shape solutions, contribute to technical documentation and deliver against agreed plans. - Apply standards and best practice: follow established engineering approaches, contribute accurate technical estimates and proactively identify and escalate risks or issues. - Communicate clearly and build relationships: present ideas, prototypes and progress updates to stakeholders, while building strong working relationships with colleagues, clients and partner organisations. Applications To learn more about our client and to understand more about the fantastic opportunities they have delivering a large-scale transformation programmes, replacing legacy systems with modern, integrated solutions that will significantly enhance operational capability across critical services; please call and speak with Edward Laing on 07436 071 872 or email me a copy of your very latest CV (edward@isr.uk.com) and/or online business profile. Please contact Edward here at ISR to learn more about our client and how they are leading the way in developing the next generation of technical solutions through innovation and transformational technology.
Lider Técnico – Sênior
Base2 TecnologiaEspecialistas em Qualidade de Software, Desenvolvimento, Performance e Automação de Processos RPA.
• Desenvolvimento de software utilizando C# e Python no Back-End; • Desenvolvimento de Front-End utilizando React; • Desenho de arquitetura de software e definição de soluções técnicas; • Análise e apoio às decisões e direcionamentos técnicos do time; • Criação e consumo de APIs REST; • Acompanhamento e suporte técnico à equipe.
• Expanding the platform’s offerings for providers • Breaking down APIs with a focus on performance and scalability • Continuous improvements to our tech stack, processes, and infrastructure • Partnering with our other engineering teams to enhance configurability within our platform • Collaborating with other engineers, product management and design to identify and solve complex problems • Contributing to technical design processes and provide improvement suggestions and feedback • Playing an influential role in growing Snapsheet to be the industry leader in technology • Working in an agile environment and participating in weekly stand ups, retrospectives, etc. • Proactively re-evaluate scope, flag issues, and suggest alternatives • Mentoring junior developers and contributing to development team best practices



