Senior Timing & Synchronization Architect - Unlimited PTO

Parry Labs, LLC

Dallas (TX)

On-site

USD 180,000 - 235,000

Full time

5 days ago
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Job summary

Parry Labs is seeking a senior software engineer to lead timing and synchronization software for distributed systems. You will apply PNT expertise to keep clocks aligned when reference signals degrade, reporting to a software engineering manager with technical direction from the Chief Engineer.

The target start is November 2026. You will define interfaces, implement time-source fusion, coordinate with systems engineers, and lead design reviews with the team.

Qualifications

  • Bachelor's degree in computer science, computer engineering, electrical engineering, applied mathematics or a related field, or equivalent relevant experience.
  • 9+ years of software engineering experience, including technical leadership and delivery of timing or synchronization software.
  • Strong PNT or assured PNT expertise, including clock stability, drift, uncertainty, clock discipline and holdover.
  • Proficiency in a systems programming language such as C or C++, with experience implementing and debugging timing software.
  • Experience with estimation or filtering algorithms and PTP, NTP, GNSS timing or hardware timestamping.
  • Experience defining software interfaces, reviewing code and validating performance through automated tests and measured data.
  • U.S. citizenship and eligibility to obtain and maintain a U.S. government security clearance if required. An active clearance is not required at hire.

Responsibilities

  • Define timing software architecture, interfaces, error budgets and acceptance criteria with systems engineers.
  • Implement and validate time-source fusion, clock discipline and holdover algorithms with the software team.
  • Develop synchronization services with defined behavior for clock drift, conflicting sources and reference loss.
  • Integrate GNSS receivers, oscillators and hardware timestamping through testable software interfaces.
  • Measure and improve PTP and NTP performance under latency, packet loss and asymmetric network delay.
  • Build automated tests for timing accuracy, uncertainty and recovery under degraded conditions.
  • Lead design and code reviews. Mentor engineers on timing algorithms, concurrency and numerical correctness.
  • Analyze timing measurements, resolve integration defects and document design decisions and verification results.

Skills

C/C++
PNT timing
Leadership
GNSS timing
RTOS/Linux

Education

Bachelor's degree in CS/CE/EE or related field

Tools

Linux
Real-time OS

Job description

Parry Labs is seeking a senior software engineer to lead timing and synchronization software for distributed systems. You will apply PNT expertise to keep clocks aligned when reference signals degrade, reporting to a software engineering manager with technical direction from the Chief Engineer.

The target start is November 2026. You will define interfaces, implement time-source fusion, coordinate with systems engineers, and lead design reviews with the team.

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