Software System Engineer

Job Description

We are seeking a Software Systems Engineer (SSE) for a unique, multi-disciplinary role that blends software development, Linux systems administration, systems engineering, and heavy RF-focused integration. The ideal candidate is a senior-level engineer who can design and develop complex software, administer and secure Linux-based systems, and support end‑to‑end solution operations in demanding, mission‑focused environments.

We are seeking a Software Systems Engineer (SSE) for a unique, multi-disciplinary role that blends software development, Linux systems administration, systems engineering, and heavy RF-focused integration. The ideal candidate is a senior-level engineer who can design and develop complex software, administer and secure Linux-based systems, and support end‑to‑end solution operations in demanding, mission‑focused environments.

You will work independently and as a technical leader, providing direction to junior developers, supporting critical RF systems and associated infrastructure, and ensuring the reliability, availability, and security of operational solutions.

Regular

• Provide technical direction and guidance to junior developers across multiple projects.
• Reverse engineer existing software to enable modification, enhancement, and integration of new functionality.
• Perform modeling and design activities using Computer-Aided Software Engineering (CASE) tools.
• Develop and maintain complex, non-trivial applications using one or more of the following languages: C, C++, Rust, Python, Bash.
• Develop software applications and automation for Debian or other systemd-based Linux distributions, including advanced automation programs, system drivers, data processing scripts, and RF‑related utilities.
• Perform rapid software design and development in a Quick Reaction Capability (QRC) environment to meet operational needs on short timelines.
• Solve varied software-related problems; design, develop, test, and deploy software on security‑sensitive / air‑gapped / cautious systems.
• Review software designs and implementations for accuracy, completeness, and appropriateness with respect to objectives, budget, schedule, and security best practices.

• Work independently to ensure reliability, availability, and security of the overall solution by proactively monitoring systems, troubleshooting, and resolving issues to maintain high availability and continuity of operations.
• Oversee, maintain, and administer day‑to‑day operation of Linux‑based compute and network environments, including hardware, OS, and application stacks.
• Diagnose hardware and software problems, replace/repair defective components, and coordinate with vendors when needed.
• Provide first‑level and advanced computer/network support to the team, ensuring maximum effectiveness and efficiency.
• Maintain configuration management and baseline control for development, test, pre‑production, and production environments.
• Operate and maintain the solution, including patching operating systems and COTS/FOSS/GOTS applications.
• Configure, manage, and maintain key solution components, including application servers, load balancers, databases, hypervisors, operating systems, RF‑related appliances, and support infrastructure.
• Deploy systems in lab environments; integrate with other systems, perform testing, validation, and support transition to production.
• Manage, track, and maintain configuration items, including licenses, SSL certificates, and hardware/software baselines.
• Support baseline deployments, upgrades, and updates to production, including installation and configuration of new software and hardware.
• Conduct regular security scans, analyze results, implement remediations, and validate fixes.
• Create, maintain, and implement detailed documentation (system designs, runbooks, SOPs, build/patch guides).

• Perform trend analysis on component failures, network/node outages, and system performance parameters; recommend and implement corrective actions.
• Implement and maintain monitoring and alerting (e.g., Nagios or similar) to ensure…