Mobile Service Assurance Engineer

Orange is hiring a Mobile Service Assurance Engineer. Level rates it ; you can apply on Orange.

Level's read on this job

Little AI ●○○○ is how Level rates this role: aI is not part of the work.
Tools and skills the posting cites include Wireshark, Anritsu and Sip.
Level classifies it as a mid-level role.
Level lists 920 other open roles at Orange.
The role was posted within the past week.

AI in this role

Ensure stability, performance, and troubleshooting of mobile core networks including IMS and VoLTE domains.

WiresharkAnritsuSipDiameter

network-troubleshootingimsvolteincident-management

Publication date : Nov 04, 2026, 12:00AM

How would you like to work in IT & Communication, toying with cutting edge technologies and enjoying your life? Come closer to #LifeAtOrange.

What we're looking for

We are seeking a skilled Mobile Service Assurance Engineer to ensure the stability, performance and evolution of our mobile core network. The ideal candidate will have good understanding of IMS, VoLTE and legacy CS/PS core domains. You will be responsible for advanced technical support, incident resolution and network monitoring . This role is critical for maintaining our service level agreements (SLAs) and delivering an exceptional customer experience.

What you’ll be doing

Provide 2nd level of technical support for the Orange Romania mobile core network including IMS, VoLTE, CS, and PS domains.
Investigate, troubleshoot and solve all roaming faults related to voice, mobile data, SMS and value-added services.
Perform in-depth analysis and troubleshooting of call flows and network faults using protocols like SIP, Diameter, ISUP, MAP, GTP, etc.
Monitor network performance and availability using established tools and Key Performance Indicators (KPIs).
Supervise and validate planned work, including software upgrades, patching and configuration changes on core network elements (e.g., SBC, CSCF, TAS, HSS, MME, MSC/MGW, DSR, STP).
Lead incident management efforts, from ticket acceptance to fault resolution and contribute to comprehensive incident reports.
Collaborate with vendors, L1 support teams and other engineering departments to resolve complex issues and deploy new solutions.
Participate in the design, validation and launch of new services and functionalities within the IMS and VoLTE ecosystem.
Create and maintain technical documentation, operational procedures and knowledge base documents.
Participate in a 24x7 on-call rotation to ensure network integrity and rapid response to critical incidents.

What you need to know/have

1-3 years of experience in a mobile core network operations or engineering environment.
Good understanding of mobile core architecture (CS, PS, IMS).
Hands-on experience with signaling protocols such as SIP, Diameter, MAP, ISUP, GTP, etc.
Proven ability to troubleshoot network and service issues from incidents or/and complaints using monitoring tools.
Experience with network analysis tools (e.g., Wireshark, Anritsu).
Excellent problem-solving and analytical skills
Strong communication skills and the ability to work effectively in a team environment.

What’s in it for you

Performance Bonuses – based on your results & the company’s;
Electronic Meal Tickets - as you imagine;
Medical & Life insurance for you - facilities for your family, too;
#WFH & Flexible hours;
Professional GSM subscription;
Personal GSM subscription, also [because we believe in communication!];
Special grants on Smartphones & devices; discounts for Orange products & services;
Development Platforms - Orange Learning, Trainings, Career Counselling, Coaching & Career plan mentoring;
Wellbeing Programs – we support your Zen;
& more!

Come & work for a #TopEmployer company. You could be part of an organization where great colleagues and team spirit support your professional development.

Apply and let’s have a remote-talk.

At Orange, you can.

IMPORTANT

In order to be able to follow your application status and receive relevant notifications, make sure to complete your application in our ATS (applicant tracking system), by following the redirection link. Once this step is completed, you will receive a confirmation email from Orange that your application has been successfully registered.

We encourage all candidate profiles, regardless of gender, age, race, citizenship, ethnicity, color, language, religion, social origin, genetic traits, sexual orientation, permanent or temporary disability, nationality, political choice, social category or social origins, situation or family responsibility, belonging to a disadvantaged category, membership or trade union activity.

At Orange, only your skills matter.

Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.
Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.

How we rate this

Mobile Service Assurance Engineer at Orange rates 0 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Mobile Service Assurance Engineer is an open job at Orange.
Level rates this role AI Level 1 of 4: Little AI.
The role is based in ROMANIA.
The job was posted on November 4, 2026.
Seniority: mid.
Applications are handled by Orange. Apply on Orange

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Network TroubleshootingImsVolteIncident ManagementWiresharkAnritsuSipDiameter

Questions you could be asked

Tell me about a project where network troubleshooting was part of your work. What did you do?
Tell me about a project where ims was part of your work. What did you do?
Tell me about a project where volte was part of your work. What did you do?
Tell me about a project where incident management was part of your work. What did you do?
Walk me through how you've used Wireshark in your day-to-day work.

Adapt your resume

List these exact terms on your resume: Network Troubleshooting, Ims, Volte, Incident Management, and Wireshark. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.

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