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PTP / Network Timing Consultant (IEEE-1588) — Part-Time

PTP / Network Timing Consultant (IEEE-1588) — Part-Time

SafeSpace Globalkolkata, west bengal, in
22 hours ago
Job description

Location : Hyderabad, India

About the engagement

Our edge Box is the campus time authority. We need a specialist to design and validate precise clock discipline across cameras, mics, and sensors using PTP (IEEE-1588) , with NTP / chrony fallbacks, so cross-modal CEP remains trustworthy.

Time : 3–6 hrs / week during design / commissioning; ad-hoc thereafter. Location : Remote.

Works with : Edge Perf / Sync engineer, Rohit (platform), DSP consultant (for Δt budgets).

What you’ll do

  • Design campus timing architecture : grandmaster selection (GNSS vs Box), boundary / transparent clocks, VLAN / QoS.
  • Deploy and tune linuxptp (ptp4l, phc2sys, pmc) and chrony; document NIC / switch configs (Cisco / Arista / Juniper or equivalent).
  • Establish acceptance tests : skew / jitter targets, wander, step response; create Grafana dashboards for drift and holdover.
  • Write commissioning SOPs : firmware, servo parameters, delay mechanisms (E2E vs P2P), announce intervals, clock classes.
  • Define failure modes & fallbacks : holdover behavior, NTP degrade, alarms when skew >

thresholds.

Must-have

  • 7+ years with PTP in production (broadcast / industrial / finance / AVB / gPTP).
  • Hands-on with boundary / transparent clock switches, NIC PHC, and Linux timing stack.
  • Measurement discipline : how to prove sub-millisecond sync on LAN; tooling & methods.

    • Nice-to-have

  • Multi-site timing over WAN; GNSS grandmaster design and antenna siting.
  • Experience aligning timing for audio arrays and camera fleets simultaneously.
  • Security hardening for PTP / NTP (ACLs, VLANs, management plane).

    • Deliverables (first 3–5 weeks)

  • Written Timing Design Doc (topology, configs, targets) + switch / NIC templates.
  • Commissioning checklist & training for our engineers.
  • Dashboards and alerting (clock skew histograms, offset heatmaps); final sign-off report with measured p95 / p99 skew.

    • Selection Criteria :

  • Live / Whiteboard / IDE (90-120 min) around Architecture design, Linux timing stack, Commissioning & measurement, Failure modes & fallbacks, Security & Ops
  • Take-Home (

    • Next steps : If interested please email your cover letter and resume to

    Ashwin at ashwin.jaiswal@safespaceglobal.ai

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