Mark Stephenson

Regional Manager skilled in Mechanical Engineering and Project Management

Wilmington, Delaware, United States

About

Sobieski Mechanical & Fire Protection benefits from my leadership and project management expertise as Operations Manager, a role I assumed in February 2025. Building on a mechanical engineering foundation from the United States Military Academy at West Point, I previously served as a Company Commander in the U.S. Army, overseeing operations and team management. My prior experience includes a project management position at Siemens, further enhancing my ability to lead initiatives and optimize engineering processes. Proficient in mechanical engineering, I excel in management and cross-functional collaboration, consistently driving successful outcomes.

Experience

  • Sobieski Mechanical & Fire Protection (Newark, Delaware, United States)
    • Area Manager
      Mar 2026 - Present · 4 mos

      • Managed all Sobieski residential construction projects across Delaware, overseeing an annual P/L statement exceeding eight figures. • Supervised a dedicated team of 45 employees, ensuring operational efficiency and team cohesion. • Negotiated and maintained contracting agreements with a diverse range of subcontractors to optimize project delivery.

    • Operations Manager
      Mar 2025 - Mar 2026 · 1 yr 1 mo

  • US Army (8 yrs 10 mos)
    • Company Commander
      Sep 2022 - Feb 2025 · 2 yrs 6 mos

      Tank Company Commander Headquarters and Headquarters Company

    • Operations Officer
      Nov 2021 - Aug 2022 · 10 mos

      Operations Officer for a Combined Arms Battalion

    • Observer Coach/Trainer
      Sep 2020 - Oct 2021 · 1 yr 2 mos

      Coached National Guard units on company level operations

  • Project Manager at Siemens
    Sep 2024 - Dec 2024 · 4 mos