
U.S. Marine Sergeant (Ret.) | President & CEO | SDVOSB
"Always Leading from the Front."
Born in Rio Piedras, Puerto Rico. Bilingual — English and Spanish. Service-Disabled Veteran. Roberto Jesus Carmona is a retired U.S. Marine Sergeant who converted military discipline into a 23-year Chicago construction legacy. He founded (XRB) Construction Services, LLC in 2003 — the same year the City of Chicago overhauled its porch construction standards — and has operated at the highest level of licensed accountability in the Chicago market ever since. Simultaneously, Roberto Jesus Carmona built a verified federal career as a Management & Program Analyst (Series GS-0343) inside the U.S. Department of Defense and the Department of Veterans Affairs. One standard. Always. No exceptions.

Roberto Jesus Carmona
U.S. Marine Sergeant (Ret.) | President & CEO
(XRB) Construction Services, LLC
MCRD San Diego
Recruit Training. Earned MOS 0151, Administrative Clerk.
Camp Pendleton, California
Marine Combat Training (MCT). Headquarters, Marine Corps Base Camp Pendleton.
2D Force Service Support Group, Camp Lejeune, North Carolina
Administrative Clerk. II Marine Expeditionary Force (MEF) / II Special Operations Training Group (SOTG).
3D Marine Division, Okinawa, Japan
Camp Schwab, Combat Assault Battalion. Deployed with the 31st Marine Expeditionary Unit (MEU) aboard the USS Belleau Wood.
Headquarters Marine Forces Europe, Stuttgart, Germany
Panzer Kaserne. Operations Specialist, MOS 9919. Security NCO. Records Audit NCO. ADP/ISC NCO.
U.S. Military Entrance Processing Command (USMEPCOM), North Chicago, Illinois
Sergeant. Final active duty assignment. Honorable Discharge — 10 years, 5 months total active service.
Decorations & Awards
Management & Program Analyst, Series GS-0343 — DoD & VA
While leading (XRB) Construction Services, LLC, Roberto Jesus Carmona simultaneously built a verified federal career as a Management & Program Analyst (Series 0343) inside the U.S. Department of Defense and the Department of Veterans Affairs. This was not a career change — it was a force multiplier. Every acquisition regulation mastered, every federal contract managed, and every logistics system directed in government made (XRB) a sharper and more capable firm. The training record is documented. The credentials are verified.
State of Illinois
Administrative reform and logistics planning support. Entry point into public-sector civilian operations.
U.S. Military Entrance Processing Command (USMEPCOM), North Chicago, Illinois
Management Analyst / Contracting Officer Representative (COR) — Department of Defense. Series GS-0343. Oversight of Fee-Based Provider medical contracts exceeding $20 million annually. Developed quality assurance plans, contract credentialing systems, and DoD/Army acquisition compliance procedures aligned with federal acquisition regulations. COR certified through Defense Acquisition University (2012): CLC 106, CLC 222, CLG 001, CLM 003.
Department of Veterans Affairs, National Contract Service — Hines, Illinois
Management Analyst, GS-0343-11. Audited prime vendor contracts including McKesson PPV Program. Developed Access-based audit systems. Conducted national webinars on spend compliance and strategic sourcing reform. FAR-trained via CON 090 FAR Fundamentals Parts I and II, Management Concepts, Burr Ridge, Illinois (72 hours, 2014). ECMS New User certified (FCN 103, 28 CLPs, December 2014).
Department of Veterans Affairs, VA Supply Chain Systems — Hines, Illinois
Program Analyst, GS-0343-12. Directed the Integrated Master Schedule (IMS) and National Risk Registry for VA logistics modernization. During COVID-19 national emergency, served as Liaison Officer to the VA Service & Distribution Center — orchestrating the movement of over 2 million units of PPE nationwide. Awards: Army Civilian Achievement Medal | Special Contribution Awards | Outstanding Pandemic Response Recognition | VA Excellence in Supply Chain Leadership.
Project Management Fellows Diploma
VA Acquisition Academy
FCR 201 — COR Level 2
VA Acquisition Academy
FCR 104 — FAC-COR Level I
VA Acquisition Academy
FPM 120/121 — Acquisition Fundamentals of PM I & II
VA Acquisition Academy
FPM 260/261/262/271/272/274 — Mid-Level Federal PM Series
VA / FAI / DAU
FLG 107 / 112 / 312 — Supply Chain & Lifecycle Logistics
VA Acquisition Academy
CON 090 — FAR Fundamentals I & II
Management Concepts, Burr Ridge, IL
CLC 222 / CLC 106 / CLG 001 / CLM 003 — COR Training Suite
Defense Acquisition University
FCN 103 — ECMS New User Training
VA Acquisition Academy
Introduction to Health Care Data Analytics
Department of Veterans Affairs
Prosci Certified Change Management Practitioner
Prosci
FLG 106 — Introduction to VA Strategic Programs
Defense Acquisition University
City of Chicago — Class A General Contractor
License No. TGC065100
Illinois Unlimited Roofing Contractor
License No. 104.020288
City of Chicago Licensed Permit Expediter
License No. 2374317
SAM.gov Active Registration — SDVOSB
CAGE Code 6ZF30
IDOT Registered Subcontractor — Roads & Bridges, Illinois
Registration No. 18523
State of Illinois — Good Standing
IL SOS File #0429941-8 · UEI DE9GQFGAZQH3
Roberto Jesus Carmona leads every engagement personally. Licensed. Permitted. Inspection-Approved. (XRB) Construction Services, LLC — Chicago's contractor since 2003.