28Stone

Software delivery for capital markets

L3 Application Support Specialist

System AdministrationConfirmed live in the last 24 hours

Full-timeRemote in Costa Rica$25 - $35 /hr

About the Job

Requirements

Familiarity with Linux command-line use, standard file editing, searching and manipulation, and shell scripting.
Working knowledge of relational databases and SQL, including tables, views, indexes, querying and modifying data, and query performance optimization.
Working experience with job automation tools such as Tidal, Autosys, or Control-M.
Ability to communicate concerns and risks and to document and communicate corrective and preventative action plans to stakeholders.
A methodical approach to problem solving and incident management.
Ability to define and document operational procedures and runbooks.
Familiarity with release packaging and deployment tools such as Rundeck and Ansible.
Understanding of the software development lifecycle and Agile frameworks.
Ability to troubleshoot L3 support issues during New York hours.
Right to work in Costa Rica.

Responsibilities

Implement pre-release and post-deployment verifications.
Integrate with Rundeck or Azure DevOps for application deployment.
Implement application control solutions, including start/stop scripts.
Integrate with monitoring solutions such as OpsRamp, Grafana, and Splunk.
Support annual disaster recovery and business continuity planning testing requirements.
Provision and set up new servers.
Support user authentication and authorization processes and workflows.
Configure authentication and service accounts.
Follow up on production incidents and problem tickets.
Troubleshoot trading and market data production issues.
Recommend and implement infrastructure improvements.
Use Python scripting.

Desired Qualifications

Industry experience and enthusiasm to learn regulatory and trading workflows.
Take ownership and drive solutions to completion.
Adapt to changes in regulatory operations business priorities.
Ability to multitask.

L3 Application Support Specialist

28Stone · Costa Rica (Remote) · Contract · Posted 2026-11-05

Workplace: remote

Department: Delivery center

Description

28Stone is a full service custom solutions firm. We offer a wide range of services - from ‘tip of the spear’ advisory, application design, system architecture to implementation, testing and deployment.

We partner with the world’s leading financial institutions to design and build robust financial applications that improve their business performance while reducing system risk, cost and time to market.

We develop technology of value: we are proud of our proven track record of delivering quality results and the trust our clients place in us with ongoing, repeat engagements.

Your Impact Zone:

Implementing pre-release and post-deployment verifications
Integrating with Rundeck or Azure DevOps for application deployment
Implementing application control solutions (start/stop scripts)
Integrating with monitoring solutions (OpsRamp, Grafana, Splunk, etc.)
Supporting annual DR/BCP testing requirements
Provisioning and setup of new servers
Supporting user authentication and authorization processes and workflows
Configuring authentication, Service Accounts, etc.
Following up on production incidents and problem tickets
Troubleshooting trading and market data production issues
Recommending and implementing infrastructure improvements
Working knowledge of python scripting

Requirements

Familiar with Linux: command line, standard file editing/searching/manipulation, shell scripting, etc.
Working knowledge of relational databases and SQL: understanding of tables, views, indexes; how to query and modify data; query performance/optimization
Working experience with job automation tools such as Tidal, Autosys, Control-M, etc.
Good communication skills, able to: express concerns/risks, document and communicate corrective and preventative action plans to stakeholders, etc.
Methodical approach to problem solving and incident management
Able to define and document operational procedures and runbooks
Familiarity with release packaging and deployment: rundeck, ansible, etc.
Understanding of SDLC and Agile frameworks.

Key Qualities:

Industry experience - Enthusiasm to learn regulatory and trading workflows.
Takes ownership and drives solutions to completion.
Amenable to shift gears on Regulatory Ops business priorities.
Ability to multitask and troubleshoot L3 Support during NY hours.

Benefits

Employment Details:

This is a contractor position only (C2C).
Compensation ranges from $25-35 per hour based on experience and qualifications.

We are flexible and take an individualized approach with each candidate we meet, so we encourage you to apply even if you do not meet every listed requirement.

Only candidates who have the right to work in Costa Rica are considered for this position.

Apply

Apply at 28Stone

About the Company

28Stone

Software delivery for capital markets

28Stone provides custom software delivery services to financial markets, building solutions for sell-side, buy-side, venues, and brokers. It uses globally distributed squads—industry experts plus Europe-based delivery centers—to design scalable, high-performance architectures. Its offerings include a generative AI tool for sell-side market makers to prepare and share pricing and market data, along with rigorous QA and testing. The company differentiates itself by combining cost-effective distributed development with deep capital-markets expertise and end-to-end delivery, aiming to provide dependable, scalable software that supports fast, accurate trading decisions.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: New York City, New York
Founded: 2011

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