Offer summary

Qualifications:

3–5 years of product management experience in IMS, VoLTE, SIP, or Diameter software., Proficiency in navigating 3GPP specifications and understanding IMS call flows., Strong skills in interpreting SIP/Diameter traces and working with YAML, JSON, Helm., Experience with Jira and Confluence, including backlog management and ticket hygiene..

Key responsibilities:

Translate customer needs and market signals into clear backlog tickets.

Maintain backlog health by ensuring ticket quality, sizing, and prioritization.

Track delivery progress, identify risks, and ensure documentation is up-to-date.

Gather feedback from launches and in-field insights to inform improvements.

Job description

About us

Committed to building the next generation of 100% software-based mobile networks, ng-voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future-proof networks.
To support our exponential growth, we are looking for a Product Manager (m/f/d) to join our Hamburg office.

Tasks

What you'll do

Translate needs into scoped work – convert customer gaps, engineering ideas, and market signals into clear, acceptance‑ready backlog Jira tickets.
Own backlog health – maintain ticket quality, sizing data, and priority suggestions so the VP of Product can make informed roadmap decisions.
Steer delivery flow – track progress, flag risks, and ensure documentation and release notes stay synced with shipped features.
Capture and loop feedback – turn launch lessons and in‑field insights into follow‑up improvements, measuring adoption and impact.
Monitor metrics that matter – cycle‑time, readiness ratio, release accuracy, and feature usage.
Stay ahead of standards – watch 3GPP / GSMA releases and industry moves; highlight implications for future planning.

Requirements

Our ideal new colleague

3–5 years product management in IMS / VoLTE / SIP / Diameter software.
Fluent in 3GPP spec navigation and end‑to‑end IMS call flows.
Able to interpret SIP/Diameter traces and skim YAML / JSON / Helm for scope clarity.
Jira & Confluence power‑user with proven backlog ownership and ticket hygiene.
Data‑driven prioritiser who balances urgency, effort, and strategic value.
Sharp, concise communicator—comfortable with engineers and executives alike.

Nice to have

Worked across the 2G, 3G, 4G or 5G telco networks (understanding Network Core functions in 4G/5G cores, IMS Design & Virtualized Network Design)
Hands‑on involvement with Tier‑1 operator roll‑outs and acceptance testing.
Working knowledge of Kubernetes / public‑cloud cost models.
Built automated changelog or product‑analytics dashboards.

Benefits

A little more about our culture and why you should join

We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry
We offer you the culture of a fast-growing start-up with the maturity of an enterprise company
We are more interested in your experience and knowledge than formal degrees
Entrepreneurial culture and flat hierarchies
Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full-time employees)
Home office budget (for full-time employees)

Apply for this job

About us

ng-voice is an equal opportunity employer. We believe demographic characteristics and diverse experiences that have nurtured unique viewpoints benefit our growth and performance and value each person and their different background as a whole.

Hope we caught your attention; we look forward to getting to know you!

DISCLAIMER

Even if you do not meet 100% of the requirements, however, you think this role will be a good match for you, please send in your application. We would love to be in touch!

Please be aware that we are currently not collaborating with agencies and any profile received will not be taken into consideration.

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