Firehouse Subs Engineer
The Engineer Sub is a standout choice. Crafted with care and stacked with flavor, it’s more than just a sandwich — it’s a tribute to firehouse tradition and a top pick among fans.
The Firehouse Subs Engineer is a hot sub made with smoked turkey breast, Swiss cheese, and sautéed mushrooms, served on a freshly toasted roll. It’s finished with Firehouse’s classic “fully involved” toppings — mayo, deli mustard, lettuce, tomato, and onion.
It’s warm, melty, and perfectly balanced — ideal for anyone craving a hearty, satisfying sandwich.
Why Is It Called the “Engineer”?
At Firehouse Subs, many menu items honor the tools, roles, and heroes of firefighting. The Engineer Sub is named after the fire engine operator, the person responsible for controlling the engine during emergencies.
Just like an engineer ensures everything runs smoothly under pressure, this sub delivers well-balanced, reliable flavor — every single time.
Firehouse Subs Engineer Ingredients
Here’s what’s inside the Firehouse Subs Engineer:
Smoked Turkey Breast – Lean, juicy, and packed with protein
Swiss Cheese – Melts smooth and adds a creamy texture
Sautéed Mushrooms – Rich, earthy, and savory
Fully Involved Toppings – Mayo, mustard, lettuce, tomato, and onion
Toasted Sub Roll – Warm and lightly crisped for the perfect bite
Customization tip: Want to switch it up? You can choose different bread, skip the mushrooms, or add hot sauce for a spicy twist.
Nutritional Information
Here’s a general idea of the nutrition for a medium Firehouse Subs Engineer:
Calories: Around 700
Protein: ~35–40g
Fat: ~25g
Carbs: ~60g
Health Tip: Choose a smaller size, skip the cheese, or order it “light” for a leaner option. Firehouse Subs also offers low-carb bowls if you’re avoiding bread.
Why Is the Engineer Sub So Popular?
The Firehouse Subs Engineer is one of the chain’s most-loved specialty subs for several reasons:
Flavor: The combo of smoked turkey and mushrooms is unique and rich.
Texture: Creamy cheese, crispy veggies, and warm bread create a perfect bite.
Customizable: It’s easy to tailor to your taste.
Filling: It keeps you full and satisfied for hours.
Plus, when you buy any sub at Firehouse, you’re also supporting first responders through the Firehouse Subs Public Safety Foundation.
Best Times to Enjoy the Engineer
The Engineer sub is great for:
Lunch breaks — quick, hot, and energizing
Takeout dinners — convenient and comforting
After-school meals — kid-friendly and flavorful
Game nights or office meals — everyone finds something to love
Where to Order the Firehouse Subs Engineer
You can order the Firehouse Subs Engineer at any Firehouse Subs location near you. It’s available for:
Dine-in
Takeout
Delivery through the Firehouse app or third-party services
Pro Tip: Sign up for the Firehouse Rewards program to earn points on every purchase and unlock exclusive deals.
The Firehouse Subs Engineer delivers bold flavor, quality ingredients, and a satisfying experience in every bite. Whether you’re a sandwich fan, a turkey lover, or simply hungry for something hot and delicious, this sub won’t disappoint.
FAQ’s
Many guests want to know more about this popular hot sub — from what’s in it to how they can customize it. Below are answers to the most commonly asked questions to help you decide if it’s the right sandwich for your next meal.
What comes on the Firehouse Subs Engineer?
The Engineer Sub includes smoked turkey breast, Swiss cheese, and sautéed mushrooms, all served hot on a toasted sub roll. It’s topped “fully involved” with mayo, deli mustard, lettuce, tomato, and onion.
Is the Firehouse Subs Engineer spicy?
No, the Firehouse Subs Engineer is not spicy by default. It has a savory and slightly creamy flavor. However, you can add hot sauce or jalapeños if you want to spice things up!
Can I customize the Engineer Sub?
Yes! You can customize the Engineer Sub to fit your taste. You can change the bread, remove toppings like mushrooms or mayo, add extra cheese, or switch proteins. Firehouse Subs is happy to make it your way.
Is the Engineer Sub a healthy option?
The Firehouse Subs Engineer offers a good balance of protein and flavor. For a lighter version, try it in a small size, ask for fewer toppings, or order it as a salad-style Sub in a Bowl.
How much does the Firehouse Subs Engineer cost?
Prices vary slightly by location, but a medium Engineer Sub usually ranges from $6.99 to $8.49. You can check your local Firehouse Subs menu online or in the app for exact pricing.