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evosoft • Budapest, Central Hungary, Hungary
Role & seniority
Stack / tools
Siemens S7-1500 PLC (STL/SCL/FBD/LAD), SIMATIC environment
Test: manual and automated test cases; end-to-end test plans
Industrial protocols: PROFINIBUS, PROFINET, AS-i, OPC UA; basic TCP/IP/UDP
Windows-based environments; optional C#; TIA Portal (nice to have)
test automation involvement and tool development
Top 3 responsibilities
Test and validate Siemens SIMATIC S7 PLC systems, focusing on system-level quality
Execute/manualize and automate test cases; analyze results; document and report findings
Design, build, and maintain hardware test configurations; create and maintain test plans/cases; track defects; collaborate with developers; contribute to PLC software/test tools; support test automation environments
Must-have skills
University degree in electrical/software/mechatronics or related field
Solid fundamentals in industrial automation and electrical engineering
Practical PLC programming experience (Siemens S7 STL/SCL/FBD/LAD)
Basic knowledge of industrial communications (OPC UA, TCP/IP, UDP)
Proficient with Windows (Windows 11/Server)
0–3+ years in testing or automation roles; analytical, proactive, team-capable
Good English; German a plus; motivation for continuous development
Nice-to-haves
Experience with TIA Portal and S7-1200/1500
C# programming experience
Interest in test automation, CI/CD, or industrial communication protocols
Location &
At evosoft – a trusted partner of Siemens – we don’t just write code, we create solutions that make life better. Our software powers Smart Industries, System Tests, IT Solutions, Digitalization and Medical Innovations, helping industries move forward and shaping the future of technology.
Our culture is defined by our values: you’ll join a team where innovative thinking, collaboration and continuous learning shape how we develop solutions that improve everyday life across industries.
If you’re looking for a place where your ideas matter and your work makes a real difference, this is the right opportunity for you.
Junior Software Test Engineer – Industrial Automation
Our main activity is testing and developing the Siemens S7-1500 PLC system. The S7-1500 product family, being one of Siemens' most innovative developments. Testing from basic functions to system diagnostics, various industrial bus systems (PROFIBUS, PROFINET, AS-i), and even OPC UA, there are numerous interesting and challenging tasks that await our colleagues every day.
Test and validate Siemens SIMATIC S7 PLC engineering systems, focusing on system‑level quality Execute manual and automated test cases, analyze results, and report findings clearly Design, build, and maintain hardware test configurations with guidance from senior colleagues Create and maintain test plans and test cases, covering end‑to‑end scenarios Analyze, document, and track defects, collaborating closely with development teams Contribute to the development of PLC software and test tools Support and gradually extend test automation environments
University degree in electrical engineering, software engineering, mechatronics, or a related technical field Solid fundamentals in industrial automation and electrical engineering Practical experience with PLC programming, preferably SIMATIC S7 (STL / SCL / FBD / LAD) Basic knowledge of industrial communication (OPC UA, TCP/IP, UDP) Confident user of Windows‑based environments (Windows 11 / Server) 0–3+ years of experience in testing or automation‑related roles Analytical mindset, willingness to learn, ability to work both independently and in a team Good English communication skills (German is a plus) and motivation for continuous developmentcontinuous improvement
Experience with TIA Portal and SIMATIC S7‑1200 / 1500 C# programming experience Interest in test automation, CI/CD or industrial communication protocols
Cafeteria package Private health care service provider Hybrid working model (3 days/week home office on average) Flexible working hours Closed, guarded parking area Supportive team and dedicated mentor Inspiring work environment and long-term job security Opportunities for international collaboration
250+ training options: language, soft-skill, technical programs, corporate workshops and meetups Several internal communities (sport, CSR, Go Green, Toastmasters, etc.) Family friendly workplace and The Best Workplace for Women Award
Ready to join us?
We want you to be the best version of yourself at evosoft - a place where you truly belong. Here, your ideas matter, your voice is heard, and your uniqueness is celebrated. Together, we thrive to build a workplace where everyone feels safe to contribute, learn, and grow – because diversity isn’t just a value for us, it’s our strength. If you’re looking for long term opportunities in a stable yet forward thinking tech community, you’ll feel right at home with us.