Senior Staff Engineer, Environmental Control Systems (RX) (R5905)

Location: Dallas, Texas; on-site. US Citizens Only with an active Secret or higher security clearance required.

Salary: $146,480–$219,720 per year, plus bonus, benefits, and equity for regular full-time employees.

Company

hirify.global is a venture-backed defense technology company developing intelligent systems, autonomy software, aircraft, and simulation technologies.

What you will do

• Own environmental control system architecture and lead trade studies across vapor-cycle, air-cycle, passive, and ram-air solutions.
• Design and analyze aircraft air inlets, scoops, ducting networks, ram-air circuits, and other thermal-fluid hardware.
• Perform thermodynamic and heat-transfer calculations supported by one-dimensional fluid-thermal network models.
• Specify ECS components, evaluate suppliers, manage technical execution, and support proposals and capture activities.
• Define qualification and verification plans, design test rigs, support instrumentation and data acquisition, and execute test campaigns.
• Analyze flight-test data, investigate root causes, resolve anomalies, and implement rapid design changes.

Requirements

• US citizenship and an active Secret or higher clearance are required.
• 8–15 years of direct experience developing aerospace environmental control or vehicle thermal-fluid systems.
• B.S. or M.S. in mechanical engineering, aerospace engineering, or a related technical discipline.
• Deep knowledge of thermodynamics, fluid dynamics, and heat transfer applied to aircraft or defense systems.
• Experience with one-dimensional system modeling using tools such as Amesim, Flowmaster, Python, or MATLAB.
• Experience with 3D CAD, routing, drawing release, PLM workflows, aerospace component sourcing, supplier management, and test setup development.

Nice to have

• Familiarity with MIL-STD-810, MIL-HDBK-310, RTCA DO-160, and SAE AIR/ARP standards.
• Experience with Siemens NX or equivalent CAD tools such as CATIA or Creo.

Culture & Benefits

• Rapid-iteration aircraft development environment focused on delivering operational capability.
• Opportunity to work as the dedicated ECS subject matter expert for a special access program.
• Regular full-time employees receive benefits, bonus eligibility, and equity.
• Offers are contingent on a cleared background and may include a reference check.