Qualysoft

Mobile Network Engineer

Qualysoft

full-time

Posted on:

Location Type: Remote

Location: Romania

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Tech Stack

SwitchingTCP/IP

About the role

  • 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.

Requirements

  • 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.
Benefits
  • 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

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Mobile Core PS networksGGSNSPGWPCRFIP protocolsroutingswitchingTCP/IPVLANBGP
Soft skills
analytical skillstroubleshooting skillscommunication skillsteamworkstructured mindsetsolution-oriented mindsetability to work under pressuremeeting deadlines
Certifications
CiscoNokiaEricssonHuawei