Hi, I’m Mariusz Kłosiewicz, a results-driven audio professional and production manager with 15+ years of experience in operational oversight, film production, and technical sound design. I bridge creative vision and technical implementation across large-scale projects—from AAA-adjacent game audio in Unreal Engine to Adidas campaigns and TV sync placements. I’m skilled at leading multidisciplinary teams under pressure while upholding strict quality control and technical standards. I thrive on turning complex briefs into cohesive sonic experiences, aligning sound with brand storytelling and gameplay, and delivering broadcast-ready results on tight timelines.…

Mariusz Kłosiewicz

Hi, I’m Mariusz Kłosiewicz, a results-driven audio professional and production manager with 15+ years of experience in operational oversight, film production, and technical sound design. I bridge creative vision and technical implementation across large-scale projects—from AAA-adjacent game audio in Unreal Engine to Adidas campaigns and TV sync placements. I’m skilled at leading multidisciplinary teams under pressure while upholding strict quality control and technical standards. I thrive on turning complex briefs into cohesive sonic experiences, aligning sound with brand storytelling and gameplay, and delivering broadcast-ready results on tight timelines.…

Available to hire

Hi, I’m Mariusz Kłosiewicz, a results-driven audio professional and production manager with 15+ years of experience in operational oversight, film production, and technical sound design. I bridge creative vision and technical implementation across large-scale projects—from AAA-adjacent game audio in Unreal Engine to Adidas campaigns and TV sync placements. I’m skilled at leading multidisciplinary teams under pressure while upholding strict quality control and technical standards.

I thrive on turning complex briefs into cohesive sonic experiences, aligning sound with brand storytelling and gameplay, and delivering broadcast-ready results on tight timelines.

See more

Language

English
Advanced
Polish
Fluent

Work Experience

Multimedia Composer, Sound Designer & Audio Engineer at Layopi Games
June 5, 2018 - February 20, 2019
Served as a Composer and Technical Audio Specialist. I was responsible for the technical integration of audio assets within Unreal Engine, ensuring a seamless interactive and adaptive audio experience.
Operation Manager at Abstra
February 1, 2016 - May 5, 2020
Logistics & Planning: Comprehensive production organization, including scouting and securing filming locations and drafting detailed shooting schedules. HR & Casting: Managing talent recruitment, conducting auditions, and hiring technical specialists (Cinematographers, Sound Engineers, etc.). On-Set Supervision: Managing live production environments, coordinating all departments, and ensuring a streamlined workflow on set. Post-Production & Quality Control: Overseeing the editing process to ensure strict adherence to deadlines, stylistic consistency, and final delivery standards. Creative Audio-Visual Execution: Personally responsible for the final image and sound quality. I also handled the complete audio layer by composing custom jingles, background music, and sound effects (FX) for these projects.
Lead Audio Producer & Composer at Self-Employed (Music Sync & Commercials)
June 1, 2021 - February 1, 2026
Led audio production for sync licensing and commercial projects. Licensed original tracks for the crime TV series 'Drelich' (e.g., Syty nie walczy, Roentgen, Trudno Mówię). Composed and produced the full audio layer for Adidas x Sizeer campaign (feat. Żabson & Dziarma), managing the project from initial brief to final broadcast-ready mix. Developed sonic branding and educational jingles for various production houses, including K9 Studio, ensuring consistent brand messaging through sound.
Production Manager (Media/Video) at Abstrachuje /Abstra
February 1, 2016 - January 31, 2020
End-to-end production management for high-traffic video content: logistics, location scouting, and shooting schedules; oversaw the post-production pipeline, ensuring deadlines and final quality for both image and sound. Led casting and hired technical crews (Cinematographers, Sound Recordists).
Technical Sound Designer & Composer at Layopi Games
February 1, 2018 - November 30, 2019
Engine Integration: Implemented custom audio assets directly into Unreal Engine, ensuring seamless synchronization with gameplay mechanics. Adaptive Systems: Designed interactive music behaviors and atmospheric soundscapes to enhance player immersion. Optimization: Managed audio memory budgets and technical performance without compromising sonic fidelity.
Technical Sound Designer & Composer (Project Based) at Layopi Games
January 1, 2021 - December 31, 2023
Engine Integration: Implemented custom audio assets directly into Unreal Engine, ensuring seamless synchronization with gameplay mechanics. Adaptive Systems: Designed interactive music behaviors and atmospheric soundscapes to enhance player immersion. Optimization: Managed audio memory budgets and technical performance without compromising sonic fidelity.
Music Event Organizer & DJ at Warsaw Generation Beats (Fabryka Norblina)
January 1, 2022 - December 31, 2024
Curated and managed a 2-year cycle of monthly music events. Handled artist bookings, technical rider coordination, and live sound oversight for diverse musical acts.
Production Manager (Media/Video) at Abstrachuje /Abstra /Warsaw
February 1, 2016 - January 1, 2020
End-to-End Production: logistics, location scouting, and shooting schedules; Audio-Visual Quality Control; team leadership including casting and hiring technicians.

Education

Self-Taught at LXV Liceum Ogólnokształcące z Oddziałami Integracyjnymi im. gen. J. Bema
September 1, 2000 - June 20, 2004
"Over 10 years of hands-on experience in music production, sound design, and technical audio implementation. Self-taught specialist with a focus on Pro Tools and Unreal Engine integration."
High School Diploma at LXV Liceum Ogólnokształcące im. gen. Józefa Bema, Warszawa
September 1, 2000 - June 1, 2004

Qualifications

oftware Expertise: Advanced proficiency in Pro Tools, Unreal Engine, and iZotope RX Suite. Industry Practice: Over 5 years of hands-on experience in high-end music production and sound engineering. Technical Skills: Expert in audio restoration, adaptive m
January 21, 2010 - February 11, 2026
"Professional Audio Engineer and Composer with over 5 years of hands-on experience in the industry. Instead of traditional academic paths, I have built my expertise through direct collaboration with global brands like Adidas, game studios like Layopi Games, and national TV networks. I am a specialist in technical audio implementation using Unreal Engine and advanced post-production using Pro Tools and iZotope RX. My qualifications are backed by a proven track record of delivering broadcast-quality sound and successful sync placements in major television series."

Industry Experience

Gaming, Education, Media & Entertainment, Software & Internet, Professional Services
    uniE608 Devil's Hunt Layopi Games
    Technical Sound Designer & Composer | Layopi Games Engine Integration: Implemented custom audio assets directly into Unreal Engine, ensuring seamless synchronization with gameplay mechanics. Adaptive Systems: Designed interactive music behaviors and atmospheric soundscapes to enhance player immersion. Optimization: Managed audio memory budgets and technical performance without compromising sonic fidelity. video…
    uniE608 Layopi Games Devil's Hunt
    Engine Integration: Implemented custom audio assets directly into Unreal Engine, ensuring seamless synchronization with gameplay mechanics. Adaptive Systems: Designed interactive music behaviors and atmospheric soundscapes to enhance player immersion. Optimization: Managed audio memory budgets and technical performance without compromising sonic fidelity.…
    paper Adidas x Sizeer Commercial Campaign (ft. Żabson & Dziarma)

    Original Music Composition and Sound Design for a high-profile commercial campaign featuring top-tier artists Żabson and Dziarma. Produced in collaboration with Styl Films and Sizeer.Key contributions:
    Custom soundtrack creation blending urban energy with brand-ready polish.
    Bespoke sound effects (SFX) and foley to enhance visual transitions.

    sample link below :

    paper Game Composer | Sound Designer (Unreal Engine) | Audio Post-Production Specialist

    Multimedia Composer and Sound Designer with over 5 years of professional experience. Specialist in technical audio implementation (Unreal Engine) for games and high-end audio post-production (Pro Tools, iZotope RX). My portfolio includes original sync music for TV series (“Drelich”), commercial scores for global brands (Adidas), and full-scale music production. I provide “ready-to-broadcast” audio, from custom foley and FX to final mastering.