01 - Bring a large pot of salted water to a rolling boil. Cook the linguine according to package directions until al dente. Reserve 1/2 cup of the starchy pasta water before draining. Set the cooked pasta aside.
02 - While pasta cooks, heat 2 tbsp butter and the olive oil in a large skillet over medium-high heat until shimmering. Lightly season scallops with salt and pepper. Sear for 1–2 minutes per side until golden brown and just cooked through. Transfer to a plate and reserve.
03 - Add the lobster pieces to the same skillet. Cook for 2–3 minutes, turning once, until meat becomes opaque and just cooked through. Remove from skillet and set aside with the scallops.
04 - Reduce heat to medium. Add remaining 3 tbsp butter, garlic, shallot, and red pepper flakes. Sauté for 1–2 minutes until fragrant and softened, taking care not to brown the garlic.
05 - Pour in the white wine and simmer for 2–3 minutes until reduced by half, scraping up any browned bits from the bottom of the skillet.
06 - Add lemon juice and zest to the skillet. Return the scallops and lobster to the pan, tossing gently to coat. Add the drained linguine, incorporating reserved pasta water as needed to achieve a glossy, emulsified sauce. Fold in chopped parsley and adjust seasoning with salt and pepper.
07 - Plate immediately, garnished with additional fresh parsley and lemon wedges on the side.