About Qualysoft
·25 years of experience in software engineering, established in Vienna, Austria
·Active in Romania since 2007, with office in central Bucharest (Bd. Iancu de Hunedoara 54B)
·Delivering End to End IT Consulting Services - From Team Augmentation and Dedicated Teams to Custom Software Development
·We deliver scalable enterprise systems, intelligent automation frameworks, and digital transformation platforms
·Cross-industry experience by sustaining global players in BSFI (Banking, financial services and insurance), Telecom,Retail & E-commerce, Energy and Utilities, Automotive, Manufacturing, Logitics, High Tech
·Global Presence: Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia
·International team of 500+ software engineers
·Strategic partnerships: Microsoft Cloud Certified Partner, Tricentis Solutions Partner in Test Automation and Test Management, Creatio Exclusive Partner, Doxee Implementation Partner
·Powered by cutting-edge technologies: AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation.
·Project beneficiaries ranging from large-scale enterprises to startups
·Stable growth and revenue increase year over year, a resilient organisation in volatile IT market conditions
·Quality-first mindset, culture of innovation, and long-term client partnerships
·Global and local reach – trusted by key industry players in Europe and the US
Responsibilities
- Prepare and complete technical documentation such as LLD (Low Level Design) and Communication Matrix;
- Integrate the existing network with new technical solutions deployed in the Mobile Core PS area;
- Configure, validate, and commission Core PS equipment and services;
- Perform acceptance testing (functional and integration);
- Provide technical support to operations teams for troubleshooting and incident analysis;
- Analyze and resolve issues occurring during delivery and post-implementation phases;
- Collaborate with vendors, integrators, and internal technical teams;
- Ensure compliance with technical standards and operational procedure;
- Perform other role-specific activities depending on ongoing projects.
Qualifications
- Experience with Mobile Core PS networks, with focus on: GGSN, SPGW, PCRF / Policy & Charging;
- Strong knowledge of: IP protocols, routing & switching, Mobile network architectures (2G/3G/4G – 5G is an advantage), L2/L3 networking, TCP/IP, VLAN, BGP, OSPF (nice to have);
- Experience in delivery, integration, and testing activities;
- Strong analytical and advanced troubleshooting skills;
- Experience working with technical documentation (LLD, HLD – advantage);
- University degree in IT / Telecommunications;
- Relevant experience in a similar role (Network Engineer / Core Engineer);
- Good communication skills and ability to work in a team;
- Structured, solution-oriented mindset;
- Ability to work in critical environments while meeting deadlines.
Nice to Have:
- Relevant technical certifications (Cisco, Nokia, Ericsson, Huawei, etc.);
- Experience in Core PS modernization or expansion projects.
What We Offer
·Premium medical package
·Lunch Tickets & Pluxee Card
·Bookster subscription
·13th salary and yearly bonuses
·Enterprise job security with a startup mentality (diverse & engaging environment, international exposure, flat hierarchy) under the stability of a secure multinational
·A supportive culture (we value ownership, autonomy, and healthy work-life balance) with great colleagues, team events and activities
·Flexible working program and openness to remote work
·Collaborative mindset – employees shape their own benefits, tools, team events and internal practices
·Diverse opportunities in Software Development with international exposure
·Flexibility to choose projects aligned with your career path and technical goals
·Access to leading learning platforms, courses, and certifications (Pluralsight, Udemy, Microsoft, Google Cloud)
·Career growth & learning – mentorship programs, certifications, professional development opportunities, and above-market salary
