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Unisys OS 2200 Application Support Specialist

Location 

Remote (USA) Note: Must be a U.S. citizen or a green card holder residing in the US. 

About the role: 

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.

Responsibilities:

• 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.

Required Skills and Experience:

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.

What We Offer

.Monks has provided a compensation range that represents its good faith estimate of what Media.Monks may pay for the position at the time of posting .Monks may ultimately pay more or less than the posted compensation range. The salary offered to the selected candidate will be determined based on job-related factors, but not based on a candidate’s sex or any other protected status.

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What We Offer

Benefits

• Excellent, full coverage medical, dental, and vision insurance - more about our coverage here!
• Generous PTO and 15 company-wide holidays
• 401k with company contribution
• Paid parental leave
• Work-life balance with an emphasis on personal well-being
• Career growth in a disruptor space & entrepreneurial opportunities within the Monks network 
• A globally diverse & inclusive culture with employee resource groups such as S4 Melanin, Pride.Monks, Cultura.Monks, and more!
• Authentic commitment to DEI efforts and sustainable growth. (Why Sir Martin Sorrell signed The Climate Pledge here!)

 

This role is subject to our Return to Office (RTO) policy. If you reside within a commutable distance of one of our office locations, you will be expected to work from the office a set number of days per week. The specific details, including the number of required office days, will be in accordance with the company’s then-current RTO policy, which is subject to change from time to time.

 

Monks has provided a compensation range that represents its good faith estimate of what Monks may pay for the position at the time of posting. Monks may ultimately pay more or less than the posted compensation range. The salary offered to the selected candidate will be determined based on job-related factors, but not based on a candidate’s sex or any other protected status.

 

 

 

Salary Range: $100,000—$110,000 USD

About Monks

Monks is the global, digital-first, data-driven, unitary operating brand of S4Capital plc, where our culture centers on how we show up for the work and for one another. That begins with the commitment to strive for mastery—taking deep pride in our craft and creating work that sets the bar. In everyday execution, we drive momentum by choosing bold action rather than waiting for certainty. Above all, our teams are stronger together, bringing diverse perspectives into a unified team that communicates with clarity, trust, and mutual respect.
 
This commitment to craft and innovation translates directly into widespread industry acclaim: Monks was named a Contender in The Forrester Wave™: Global Marketing Services and a leader in the 2026 Gartner® Magic Quadrant™ for Global Digital Marketing Agencies. It ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization (2025), Monks was also awarded Business Intelligence Group’s 2026 Excellence in Artificial Intelligence Award in the Human-Machine Interaction Team category. Additionally, Monks.Flow earned AI-based Marketing Solution of the Year at the 2026 AI Breakthrough Awards and a 2026 Global Generative AI Award in the Agentic Marketing Innovation category. Finally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.