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

4 weeks ago

New Delhi, India SafeSpace Global Full time

Location: Hyderabad, IndiaAbout the engagementOur 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 toAshwin at ashwin.jaiswal@safespaceglobal.ai

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