Staff Network Reliability Engineer
About this job
As a Staff Network Reliability Engineer at Skylo in Bangalore, you act as the 5G Core domain authority within the production NTN network. Skylo pioneers a standards-based approach to satellite connectivity, linking smartphones and IoT devices directly to satellites globally. A normal day involves serving as the key technical escalation target for complex Core-domain events, diagnosing protocol-level failures, maintaining 24/7 Core network health, and collaborating with Product Engineering to ensure operational readiness. You spend your time defining KPIs, executing runbooks, resolving registration or session drop issues, mentoring senior engineers, and driving continuous operational improvements across Skylo's cloud-native platform.
Responsibilities
- Own 24/7 5G Core health across Skylo's production NTN stack including AMF, SMF, UPF, and AUSF pods.
- Serve as the L3 escalation authority for Core-domain incidents, diagnosing issues at the protocol level.
- Execute and own Core-domain runbooks for fault categories like pod restarts and certificate rotation.
- Own IMSI lifecycle operations, subscriber state reconciliation, and OSS platform provisioning exceptions.
- Lead Core-domain RCAs end-to-end and translate systemic failure patterns into engineering requirements.
- Define, baseline, and continuously refine Core KPIs calibrated to Skylo's NTN subscriber population.
Requirements
- Strong expertise in 5G Core architecture, including AMF, SMF, UPF, AUSF, and PCF network functions.
- Hands-on experience in diagnosing protocol-level failures using NAS traces, NG-AP messages, and logs.
- Proven background in network reliability, incident management, and L3 technical escalations.
- Experience in defining and tracking Core KPIs, SLAs, and performance baselines.
- Familiarity with cloud-native platforms, containerized environments, and telemetry tools like Grafana.
Good to have
- Experience with NTN or satellite connectivity networks
- Familiarity with 3GPP standards-based architectures
- Prior experience mentoring senior engineers in Core domain depth
Who should apply
This role suits an experienced network reliability or 5G core engineer based in Bangalore who thrives in high-stakes operational environments. You should be comfortable acting as a final technical escalation authority, possessing deep protocol-level diagnostic skills and a proactive mindset toward system reliability. This position requires substantial prior domain experience and is not suited for freshers.
Frequently asked questions
What is the primary location for the Staff Network Reliability Engineer role at skylo?
The role is based in Bangalore, India.
What domain expertise is required for the Staff Network Reliability Engineer at skylo?
You need deep 5G Core domain expertise, including experience with AMF, SMF, UPF, and protocol-level diagnostics.
Is the Staff Network Reliability Engineer at skylo an on-call position?
Yes, it involves participating in the global 24/7 on-call rotation as the Core domain escalation tier.
Can freshers apply for the Staff Network Reliability Engineer position at skylo?
No, this is a senior staff-level role requiring significant domain experience, so freshers should not apply.
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