> Markdown version of [/jobs/ext/2057044-os-2200-applications-support-specialist](https://www.wearedevelopers.com/jobs/ext/2057044-os-2200-applications-support-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OS 2200 Applications Support Specialist - **Company:** MONK INC. - **Location:** United States (Remote available) - **Experience:** Experienced - **Salary:** $100,000.0 - $110,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Windows, Macintosh Application Environment, Business Software, Unix, COBOL (Programming Language), Databases, Data Integrity, Data Security, Programming Tools, Indexed Sequential Access Method (ISAM), Software Engineering, Systems Integration, Transaction Processing (Computing), Executive Control Language, File Transfer Protocol (FTP), Oracle Erp, Cts+ - **Published:** August 14, 2026 - **Apply:** https://www.dice.com/job-detail/1753c169-0da3-429a-8530-220022a4bf5a ## About the Role We're looking for someone with (minimum) 3+ years of experience in managing, servicing, and supporting OS 2200 applications in an enterprise environment. Must haves * Working knowledge of Unisys 2200 applications development and operations. Familiarity with OS 2200 systems support principles is a plus. * Familiarity with the DMS-1100 database system and TIP transaction processing. * Knowledge of OS 2200 development tools, operational utilities, networking, and cross-platform integration. * Experience with the primary application technologies: COBOL and related development utilities. Experience with MASM (assembler) highly desirable. * Understanding of job control using Executive Control Language (ECL). * Ability to thrive under pressure to help remedy time-sensitive mission-critical issues * Great written and verbal communication skills, adapting comms as needed depending on the audience * Proficiency with data access methods, including DMS-1100, ISAM, and flat files. Nice-to-haves * Familiarity with utilities related to development and operations: (SSG, CTS, DDP, FTP). * Ability to troubleshoot integration points with diverse external systems, such as VAX Shop Floor, Oracle ERP, Unix, Web/Java, and Windows platforms. ## Description We're looking for an OS 2200 Applications Support Specialist to join our team, providing critical support for a major manufacturing client's core business applications. This role offers an opportunity to work with time-tested enterprise systems and contribute to ongoing modernization efforts., * Help a team of specialists provide on-call response and support for the client's Unisys 2200 application environment. + We've got a flexible rotation schedule to ensure coverage while keeping our team happy * Follow and execute against customer-defined policies for incident escalation, change control, testing, and promotion into production. * Perform monitoring of mainframe databases to ensure data integrity. * Triage and assess incidents, distinguishing between systems software issues and application anomalies or defects. * Implement approved corrections and coordinate with change control procedures for timely remedy installation. * Contribute to the ongoing documentation and expansion of the knowledge base. * Advise management on technical trends and potential impacts on the application environment. ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)