Application Migration Engineer

HeadHR; Town of Poland (NY); On-site; USD 100,000 - 150,000; Full time

Job summary

HeadHR in Town of Poland, NY, is seeking an experienced engineer to support migration and transformation of enterprise applications. The role covers administering production and non-production environments, ensuring availability and handling deployments within defined change controls.

You will collaborate with infrastructure, middleware, and network teams, monitor performance, and resolve incidents to maintain service continuity.

Qualifications

• Proven experience supporting enterprise applications in complex production environments.
• Hands-on experience with application migration or infrastructure transformation projects.
• Good knowledge of SQL, including PL/SQL and/or T‑SQL.
• Practical scripting skills using PowerShell, Bash, Shell, Perl or Python.
• Experience working with Linux and/or Windows server environments.
• Understanding of application architecture, networking fundamentals, load balancing, TLS/SSL and high‑availability solutions.
• Experience with application monitoring, troubleshooting and root cause analysis.
• Familiarity with release management and production change processes.
• Ability to work effectively with cross‑functional and geographically distributed teams.
• Strong analytical and problem‑solving skills with a proactive approach to resolving technical challenges.
• Excellent communication skills in English (written and spoken); additional European languages are an advantage.
• Experience with technical documentation and knowledge‑sharing tools such as Confluence.
• Ability to manage multiple priorities in a dynamic project environment while maintaining a high level of quality and accountability.

Responsibilities

• Support the migration of business-critical applications as part of a large-scale data center transformation program.
• Administer, configure and maintain enterprise applications running in production and non-production environments.
• Ensure application availability, stability and operational readiness throughout the migration lifecycle.
• Perform application deployments, configuration updates and production releases in accordance with established change management processes.
• Investigate and resolve application incidents, technical issues and performance-related problems to maintain service continuity.
• Collaborate with infrastructure, middleware, database and network teams to prepare, validate and support new environments.
• Coordinate with external vendors and internal engineering teams to troubleshoot issues and deliver technical solutions.
• Monitor application health, capacity and performance, proactively identifying and mitigating operational risks.
• Create and maintain clear technical documentation, operational procedures and implementation guides using collaboration platforms such as Confluence.
• Contribute to continuous improvement initiatives by identifying opportunities for automation and process optimization.

Skills

Enterprise application support

Migration/infrastructure projects

SQL knowledge

Scripting (PowerShell/Bash/Shell/Perl)

Linux/Windows servers

Networking/load balancing/ TLS/SSL HA

Monitoring/troubleshooting/ RCA

Release management

Cross-functional collaboration

English communication

Confluence knowledge

Prioritization and accountability

Tools

Confluence

Job description

1. Support the migration of business-critical applications as part of a large-scale data center transformation program.
2. Administer, configure and maintain enterprise applications running in production and non-production environments.
3. Ensure application availability, stability and operational readiness throughout the migration lifecycle.
4. Perform application deployments, configuration updates and production releases in accordance with established change management processes.
5. Investigate and resolve application incidents, technical issues and performance-related problems to maintain service continuity.
6. Collaborate with infrastructure, middleware, database and network teams to prepare, validate and support new environments.
7. Coordinate with external vendors and internal engineering teams to troubleshoot issues and deliver technical solutions.
8. Monitor application health, capacity and performance, proactively identifying and mitigating operational risks.
9. Create and maintain clear technical documentation, operational procedures and implementation guides using collaboration platforms such as Confluence.
10. Contribute to continuous improvement initiatives by identifying opportunities for automation and process optimization.

Kogo poszukujemy?

• Proven experience supporting enterprise applications in complex production environments.
• Hands‑on experience with application migration or infrastructure transformation projects.
• Good knowledge of SQL, including PL/SQL and/or T‑SQL.
• Practical scripting skills using one or more of the following: PowerShell, Bash, Shell, Perl or Python.
• Experience working with Linux and/or Windows server environments.
• Understanding of application architecture, networking fundamentals, load balancing, TLS/SSL and high‑availability solutions.
• Experience with application monitoring, troubleshooting and root cause analysis.
• Familiarity with release management and production change processes.
• Ability to work effectively with cross‑functional and geographically distributed teams.
• Strong analytical and problem‑solving skills with a proactive approach to resolving technical challenges.
• Excellent communication skills in English (written and spoken); additional European languages are an advantage.
• Experience with technical documentation and knowledge‑sharing tools such as Confluence.
• Ability to manage multiple priorities in a dynamic project environment while maintaining a high level of quality and accountability.