Offer summary

Qualifications:

Proven experience in middleware environments., In-depth knowledge of WebSphere Application Server (WAS) and WebSphere Liberty., Strong knowledge of LDAP and solid experience in Linux/UNIX environments., Familiarity with high availability (24x7) application server and messaging systems..

Key responsibilities:

Install, maintain, and configure WebSphere Liberty.

Monitor, troubleshoot, and tune the application server for optimal performance.

Act as an interface between Java development and WAS/DB2 for z/OS, as well as network teams.

Deploy, configure, and manage applications, ensuring smooth handover to operations and support teams.

Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 22 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs. Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts. Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters.

Job description

Company Description

We are looking for a skilled WebSphere Application Server Specialist to help improve system performance and ensure smooth operations in a dynamic environment.

We are looking for an experienced WebSphere Application Server (WAS) Specialist to join our team in Vienna. If you thrive in complex enterprise environments and enjoy being the go-to expert bridging development and operations, this role is for you. You’ll play a key role in maintaining and optimizing critical infrastructure, resolving complex issues, and driving the stability of WebSphere-based systems.

Job Description

Install, maintain, and configure WebSphere Liberty
Monitor, troubleshoot, and tune the application server (Java Heap, Garbage Collection, Threads, Pools)
Act as an interface between Java development and WAS/DB2 for z/OS, as well as network teams (central and decentralized)
Implement, execute, and automate operational, deployment, and testing processes
Deploy, configure, and manage applications, including handover to operations and support teams
Apply and configure middleware and related software
Assist in building infrastructure solutions
Manage the security lifecycle: roles, permissions, certificates, and SSL

Qualifications

Proven experience in middleware environments
In-depth knowledge of WebSphere Application Server (WAS)
Experience with WebSphere Liberty
Strong knowledge of LDAP
Solid experience in Linux/UNIX environments
Familiarity with high availability (24x7) application server and messaging systems

Required profile