[Remote] IRS CAS (Senior Software Developer/Operations Engineer) CIS O&M

Note: The job is a remote job and is open to candidates in USA. Client Server Technology Solutions LLC is a company that provides IT engineering services and solutions. They are seeking a Senior Software Developer/Operations Engineer to provide application-level production support for enterprise middleware and integration services, including technologies such as IBM webMethods and Java-based solutions.

Responsibilities

• The candidate needs 5+ years of application-level production support for enterprise middleware and integration services, including IBM webMethods ESB and Java-based BRE/BRMG or comparable technologies
• Experience should include REST/SOAP, XML/XSD/JSON, OpenShift/Linux, AppDynamics, ELK/Elastic Stack, ServiceNow incident support, production troubleshooting, RCA, release validation, failover/fallback, certificate/credential troubleshooting, consumer issue resolution, runbook updates, and 24x7 operational readiness
• Software engineering experience
• Enterprise API development
• Java
• Spring Boot
• REST and SOAP web services
• IBM webMethods
• Enterprise middleware
• Microservices architecture
• OpenShift or Kubernetes
• Enterprise system integration
• Application modernization
• Production support and troubleshooting
• Agile development
• IRS experience
• Federal Government experience
• API Gateway experience
• DevSecOps environments
• Containerized applications

Skills

• 5+ years of application-level production support for enterprise middleware and integration services
• IBM webMethods ESB and Java-based BRE/BRMG or comparable technologies
• Experience with REST/SOAP
• Experience with XML/XSD/JSON
• Experience with OpenShift/Linux
• Experience with AppDynamics
• Experience with ELK/Elastic Stack
• Experience with ServiceNow incident support
• Experience with production troubleshooting
• Experience with RCA
• Experience with release validation
• Experience with failover/fallback
• Experience with certificate/credential troubleshooting
• Experience with consumer issue resolution
• Experience with runbook updates
• Experience with 24x7 operational readiness
• Software engineering experience
• Enterprise API development
• Java
• Spring Boot
• REST and SOAP web services
• IBM webMethods
• Enterprise middleware
• Microservices architecture
• OpenShift or Kubernetes
• Enterprise system integration
• Application modernization
• Production support and troubleshooting
• Agile development
• Bachelor's degree in or equivalent experience
• IRS experience
• Federal Government experience
• API Gateway experience
• DevSecOps environments
• Containerized applications

Benefits

• Competitive 401(k) plan with employer matching
• Competitive Health Benefits with employer contributions
• 11 Paid Holidays per year
• 15 Days starting PTO for new hires
• Tuition/CE reimbursement
• Relocation Assistance
• Veteran Hiring Preference
• Employee Stock Ownership Plan (ESOP)

Company Overview

At Client Server Technology Solutions, we are committed towards helping our customers achieve their business objectives by providing innovative, best in-class consulting, IT solutions and services. It was founded in 2012, and is headquartered in Iselin, New Jersey, USA, with a workforce of 51-200 employees. Its website is https://clientservertech.com.

Company H1B Sponsorship

Client Server Technology Solutions LLC has a track record of offering H1B sponsorships, with 9 in 2026, 32 in 2025, 52 in 2024, 75 in 2023, 44 in 2022, 76 in 2021, 84 in 2020. Please note that this does not guarantee sponsorship for this specific role.