Embedded Linux Software Engineer C/C++

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

Requirements

Must have:

• Strong C/C++ development experience on Linux, including debugging, performance analysis, and memory/resource management.
• At least 3 years of professional software engineering experience with ownership of production systems.
• Solid relational database experience with PostgreSQL or a comparable system, including schema design, advanced SQL, and application access patterns.
• Ability to work on-site in Ronkonkoma, New York.
• Bachelors degree in computer science, engineering, or a related field, or equivalent practical experience.
• Deep understanding of Linux IPC mechanisms, multithreading, synchronization, and concurrent data handling.
• Hands‑on experience building socket‑based client and server applications and resolving real‑world network issues.
• Advanced database skills such as query tuning, schema optimization, and stored functions.
• Comfort working at the Linux shell and using Bash or similar scripting for operations and diagnostics.
• Strong problem‑solving, communication, time management, and technical documentation skills.
• Ability to prioritize across concurrent product development and field‑support needs.
• Experience with industrial or embedded communications such as RS‑232, RS‑485, Modbus, or CAN bus is preferred.
• Experience developing custom embedded Linux systems with Buildroot, Yocto, or similar tools is preferred.
• Knowledge of secure remote connectivity, including VPNs, TLS, certificates, authentication, and network security fundamentals is preferred.
• Familiarity with Python, Rust, or another language useful for tooling, automation, testing, or systems work is preferred.
• Responsible use of AI‑assisted development tools to improve productivity and code quality is preferred.

Responsibilities

• Design, develop, and maintain C/C++ applications and services on our Linux‑based PROTEUS controller.
• Build and support connectivity and data acquisition between PROTEUS, third‑party ATGs, gateways, polling systems, and our TankActive platform.
• Implement and troubleshoot TCP/IP, UDP/IP, and serial communications, including framing, parsing, timeouts, retries, and recovery.
• Design and maintain PostgreSQL schemas, queries, stored functions, and data access code for dependable ingestion and retrieval of operational data.
• Protect data quality through validation, deduplication, timestamp handling, and replay or backfill handling.
• Collaborate with our TankActive application engineers on data contracts and service boundaries.
• Diagnose issues across hardware, operating system, network, protocol, and database layers in deployed field systems.
• Create tests, diagnostic utilities, documentation, and operational scripts.
• Participate in code reviews and release validation.

Company

We are OMNTEC, a company with more than 40 years of experience developing environmental compliance, leak-detection, and tank-monitoring solutions. Our hardware and software are built in-house, giving our engineers the chance to solve meaningful problems across embedded systems, communications, databases, and cloud-connected products while seeing their work operate on real field devices. We are continuing to grow through new technologies and strategic product integration, and this full-time, on-site role is based in Ronkonkoma, New York. We also offer a competitive salary range of $100,000 to $140,000 per year along with benefits that include 401(k), dental insurance, health insurance, and paid time off.