Repair, rebuild, and install chimney and fireplace systems; perform masonry, concrete, metalwork, and fabrication tasks; work with gas fireplace systems, venting, and chimney liners; safely operate power tools, ladders, scaffolding, and equipment; work on residential rooftops and exterior structures year-round; troubleshoot problems and complete quality repairs as part of a skilled crew.
Compensation
Pay: $23–$28/hour + Benefits + Advancement
Responsibilities
Repair, rebuild, and install chimney and fireplace systems
Perform masonry, concrete, metalwork, and fabrication tasks
Work with gas fireplace systems, venting, and chimney liners
Safely operate power tools, ladders, scaffolding, and equipment
Work on residential rooftops and exterior structures year-round
Install residential and light commercial HVAC systems, including furnaces, air conditioners, heat pumps, air handlers, ductless mini-splits, and related equipment.
Locations (4)
Springfield, Virginia, United States
Washington, District of Columbia, United States
Maryland, United States
Northern Virginia, United States
Compensation
Competitive hourly pay based on experience, technical ability, and performance.
Responsibilities
Install residential and light commercial HVAC systems
Perform complete system replacements and new installations according to manufacturer specifications, company standards, and applicable codes
Staff Engineer, Fuel Systems
f7d8749a-72d6-407c-bf98-292ea630c73a · Posted Nov 9, 2026
Lead the design, development, integration, and fielding of next-generation autonomous aircraft fuel systems.
Compensation
Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity
Responsibilities
Serve as the Responsible Engineer for the aircraft fuel system, owning requirements, architecture, interfaces, hardware, and technical decisions from concept through operational deployment.
Design, size, and integrate fuel tanks, pumps, valves, plumbing, venting and pressurization systems, filtration, level sensing, and associated fuel system hardware.
Analyze fuel system performance across the aircraft operating envelope, including pressure and flow requirements, transient engine demand, elevated-G maneuvering, tank depletion, slosh, vapor pressure, cavitation, vapor ingestion, and thermal effects.
Lead technical design reviews, supplier engagements, and hardware procurement while ensuring the fuel system meets performance, mass, thermal, reliability, safety, and mission requirements.
Plan and execute component, subsystem, and vehicle-level testing, including instrumentation, procedures, data acquisition, performance validation, and flight readiness.
Requirements
Bachelor's degree in Aerospace Engineering, Mechanical Engineering, or a related engineering discipline
Residential HVAC Service Technician diagnosing, servicing, and repairing home comfort systems across Maryland.
Compensation
Pay: $25 – $40+ per hour plus commission
Responsibilities
Diagnose and repair residential HVAC systems with speed, accuracy, and professionalism
Perform service and repairs on split systems, heat pumps, gas furnaces, boilers, air handlers, thermostats, zoning controls, indoor air quality components
Troubleshoot electrical, airflow, refrigerant, ignition, venting, and control issues
Confirm system performance after repair
Communicate clearly with homeowners about problems, solutions, pricing, and expectations
Install and modify ductwork, refrigerant lines, condensate drains, venting, gas piping, electrical connections, and accessories within your qualifications
Properly perform nitrogen purging, pressure testing, evacuation, refrigerant charging, and system commissioning
Install thermostats, humidifiers, filtration systems, surge protection, and indoor air quality equipment
Staff Engineer, Fuel Systemsf7d8749a-72d6-407c-bf98-292ea630c73a · Dallas, US
HVAC Service TechARS-Rescue Rooter · Columbia, US