Embedded Linux C/C++ Engineer - On-Site Ronkonkoma

OMNTEC Mfg; Town of Islip (NY); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Health insurance

Paid time off

Job summary

OMNTEC in Ronkonkoma, New York is seeking a software engineer to design, develop, and maintain C/C++ applications on our Linux-based PROTEUS controller, delivering robust connectivity to ATGs, gateways, polling systems, and our TankActive platform.

You will own production systems, optimize PostgreSQL schemas, implement TCP/UDP/serial communications, and collaborate with application engineers on data contracts.

Qualifications

• 3+ years of production software engineering ownership.
• Strong C/C++ development on Linux with debugging and performance analysis.
• Relational DB experience with PostgreSQL including schema design and advanced SQL.
• Bachelor's degree in CS, engineering, or related field.
• Deep understanding of Linux IPC, multithreading, and concurrency.
• Experience building socket-based client/server apps and network issue resolution.
• Advanced DB skills: query tuning, schema optimization, stored functions.
• Shell scripting with Bash for operations/diagnostics.
• Familiarity with embedded/industrial communications (RS-232/RS-485/Modbus/CAN).
• Build embedded Linux systems with Buildroot/Yocto.
• Knowledge of secure remote connectivity (VPNs, TLS, certificates).
• Familiarity with Python or Rust for tooling/automation.
• Responsible use of AI-assisted development tools.

Responsibilities

• Design, develop, and maintain C/C++ apps and services on our Linux-based PROTEUS controller.
• Build and support connectivity between PROTEUS, ATGs, gateways, polling systems, and TankActive.
• Implement and troubleshoot TCP/IP, UDP/IP, and serial communications.
• Design and maintain PostgreSQL schemas, queries, stored functions, and data access code.
• Protect data quality through validation, deduplication, timestamp handling, and replay/backfill handling.
• Collaborate with TankActive engineers on data contracts and service boundaries.
• Diagnose issues across hardware, OS, network, protocol, and database layers in deployed field systems.
• Create tests, diagnostic utilities, documentation, and operational scripts.
• Participate in code reviews and release validation.

Skills

C/C++ development

Linux debugging

Multithreading & concurrency

Database query tuning

Problem solving & communication

Time management

Documentation

AI-assisted tooling

On-site readiness

Education

Bachelor's degree in CS/Engineering or related field

Tools

PostgreSQL

Buildroot/Yocto

Linux shell (bash)

Job description

OMNTEC in Ronkonkoma, New York is seeking a software engineer to design, develop, and maintain C/C++ applications on our Linux-based PROTEUS controller, delivering robust connectivity to ATGs, gateways, polling systems, and our TankActive platform.

You will own production systems, optimize PostgreSQL schemas, implement TCP/UDP/serial communications, and collaborate with application engineers on data contracts.