Principal Timing & Sync Software Engineer — Unlimited PTO

Parry Labs, LLC; Huntsville (AL); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Education assistance

Unlimited paid time off

Job summary

Parry Labs, LLC is seeking an experienced software leader to drive timing and synchronization software for resilient systems. You will architect and implement time-source fusion, clock discipline, and holdover algorithms while mentoring engineers and refining interfaces with systems engineers.

The role emphasizes PNT expertise, GNSS timing, and real-time software in a demanding environment with opportunities to influence end-to-end timing performance. Start is planned for November 2026.

Qualifications

• Bachelor's degree or equivalent in a related field.
• 9+ years of software engineering experience including leadership.
• Strong PNT expertise including clock stability and holdover.
• Proficiency in C or C++ with timing software experience.
• Experience with PTP/NTP/GNSS timing and hardware timestamping.

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.
• Develop synchronization services with clock drift handling and reference loss.
• Integrate GNSS receivers, oscillators and hardware timestamping via software interfaces.
• Measure and improve PTP and NTP performance under latency and loss conditions.
• Build automated tests for timing accuracy and recovery under degraded conditions.
• Lead design and code reviews; mentor engineers on timing algorithms.
• Analyze timing measurements and document design decisions and verification results.

Skills

C/C++

PNT expertise

9+ years experience

Code reviews

Embedded/Linux RTOS

Python/MATLAB timing analysis

Education

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

Job description

Parry Labs, LLC is seeking an experienced software leader to drive timing and synchronization software for resilient systems. You will architect and implement time-source fusion, clock discipline, and holdover algorithms while mentoring engineers and refining interfaces with systems engineers.

The role emphasizes PNT expertise, GNSS timing, and real-time software in a demanding environment with opportunities to influence end-to-end timing performance. Start is planned for November 2026.