Senior Software Developer / Engineer – CBS Operations & Maintenance

Client: Internal Revenue Service (IRS)
Program: Common API Services (CAS)
Openings: 1
Location: Remote – United States / Washington, DC as required
Government Site: IRS, 1111 Constitution Avenue NW, Washington, DC 20224
Work Arrangement: Primarily Remote with 24x7 operational-response requirements
Minimum Experience: 5+ years
Candidate Pay Range: $72.29–$75.12/hour
Position Status: Contingent upon contract award

Position Summary

SMX Services & Consulting, Inc. is seeking a Senior Software Developer / Engineer – CBS Operations & Maintenance to support mission-critical IRS Common Business Services.

This position combines senior application-development expertise with production operations and maintenance support. The selected candidate will help maintain reliable, highly available IRS applications through monitoring, incident troubleshooting, defect correction, root-cause analysis, release preparation, vulnerability remediation, and technical documentation.

The candidate must be comfortable supporting mission-critical applications and participating in 24x7 operational-response coverage when required.

Required Qualifications

• Minimum 5 years of relevant application-development and production-support experience.

• Java/J2EE.

• Spring Boot.

• REST APIs and SOAP services.

• Batch applications.

• Enterprise shared services.

• Application monitoring.

• Production incident troubleshooting.

• Root-cause analysis.

• Application defect remediation.

• Log analysis.

• Linux.

• Red Hat OpenShift.

• Cloud-hosted application environments.

• Mainframe-connected applications.

• SQL/database troubleshooting.

• Git/GitHub.

• JUnit.

• Jenkins.

• JMeter.

• Postman and/or SoapUI.

• Splunk.

• AppDynamics.

• ELK/Elastic Stack.

• Release preparation.

• Rollback planning.

• Application vulnerability remediation.

Key Responsibilities

• Monitor production application health and performance.

• Support IRS Common Business Services production environments.

• Troubleshoot production incidents.

• Perform application-level incident triage.

• Analyze application and middleware logs.

• Use AppDynamics, Splunk, ELK, or similar tools to diagnose issues.

• Develop technical root-cause-analysis inputs.

• Diagnose and correct application defects.

• Troubleshoot database-connected applications.

• Troubleshoot API and integration issues.

• Support certificate and credential-related application issues.

• Prepare application releases.

• Support Government-led implementation and deployment events.

• Prepare rollback and recovery inputs.

• Maintain operational runbooks.

• Support application vulnerability remediation.

• Maintain technical documentation.

• Support high-volume mission-critical applications.

• Participate in 24x7 operational-response activities when required.

• Support peak IRS processing periods.

Location Requirement

The position is primarily remote within the United States. The selected candidate must be capable of supporting the IRS Government site at 1111 Constitution Avenue NW, Washington, DC 20224 when required.

On-site support may be required for production incidents, deployments, releases, troubleshooting, technical meetings, or knowledge transfer.

24x7 Support Requirement

The candidate must be capable of participating in operational-response coverage for mission-critical IRS applications. After-hours, weekend, or emergency support may be required based on production needs and contract requirements.

Citizenship and Security

Candidate must be able to satisfy applicable IRS suitability, background investigation, PIV/SmartID, security training, Government system-access, and protected-information handling requirements.

No Secret or Top Secret clearance requirement has been identified.

Compensation

Candidate Pay Range: $72.29–$75.12/hour

Final compensation depends on experience, qualifications, employment classification, and final SMX approval.

Position is contingent upon contract award.