PLC Software Engineer - ITAR/EAR Role

Fairmount Technologies is seeking a PLC software engineer to design and develop industrial software that interfaces with PLCs and hardware for aerospace and defense applications. This on-site role, with ITAR/EAR access, requires relocation to the Wichita/Derby, Kansas area and focuses on real-machine software development across multi-disciplinary engineering teams.

Job details

Location: Derby, KS (onsite)

Salary: USD 80,000 - 140,000 per year

Experience required: Approximately 5+ years

Education: Bachelor's degree in Computer Science, Software Engineering, or similar

Responsibilities

• Design and implement graphical user interfaces and HMIs for automated machines
• Develop software that communicates with PLCs and industrial control systems
• Work closely with Controls and Automation Engineers on system architecture and data flow
• Write robust, multi-threaded, production-ready software for industrial PCs
• Debug, test, and maintain software deployed on machine systems
• Enhance software performance, reliability, and security over time
• Support hardware and system integration efforts
• Collaborate on documentation and user support materials

Requirements

• Access to ITAR/EAR-controlled technologies
• U.S. citizen or lawful permanent resident eligible for employment under U.S. export control laws
• Relocation to the Wichita / Derby, KS area is required
• Approximately 5+ years developing software that interfaces with industrial systems or hardware
• Bachelor’s degree in Computer Science, Software Engineering, or similar (or equivalent experience)
• Strong software engineering fundamentals
• Experience developing production software in C#/.NET or a comparable object-oriented language
• Experience with asynchronous or multithreaded programming
• Ability to debug and solve problems involving software, communications, controls, and hardware
• Ability to work effectively with engineers from multiple disciplines
• WPF or another desktop UI framework
• PLC and industrial-control communication, particularly Beckhoff/TwinCAT
• Traditional SQL/ORM and/or MongoDB database management
• Scripting in Python for automation, analysis, or machine-learning applications
• Industrial networking and hardware integration
• CAD and/or 3D visualization technologies
• Experience deploying and supporting software on industrial PCs

Technologies

• C#/.NET
• WPF
• Beckhoff/TwinCAT
• SQL/ORM
• MongoDB
• Python

Benefits

• Competitive salary based on experience and scope of role (typical range: 80,000–140,000+)
• Flexible working hours
• Profit sharing to share in the company’s success
• Phantom equity option for potential upside without traditional equity ownership
• Direct access to leadership and technical decision-making
• Opportunity to grow with the company as manufacturing scales
• Dental insurance
• Flexible schedule
• Health insurance
• Paid time off
• Vision insurance

Regulatory requirements

• This position requires access to ITAR/EAR-controlled technologies
• Applicants must be U.S. citizens or lawful permanent residents and eligible for employment under U.S. export control laws
• Relocation to the Wichita / Derby, KS area is required

Job type

Job Type: Full-time

Compensation details

Pay: $80,000.00 - $140,000.00 per year

Application question

• This position requires that applicants must be U.S. citizens or lawful permanent residents (Green Card holders) as required by ITAR/EAR regulations. Are you a US Citizen or Permanent resident? Answer required

Work location constraints

Ability to commute: Derby, KS 67037 (Required)

Ability to relocate: Derby, KS 67037: Relocate before starting work (Required)

In-person work

Work Location: In person

Additional benefits

• Dental insurance
• Flexible schedule
• Health insurance
• Paid time off
• Vision insurance