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Carlos Sierra

@carlossierra

I am a bilingual operations leader with 8+ years in logistics, compliance, and team leadership.

United States
Message

What I'm looking for

I am seeking a fully remote operations/logistics leadership role in a service-oriented company where I can improve processes, ensure compliance, mentor teams, and drive measurable performance gains.

I am a bilingual operations leader with more than eight years of progressive leadership experience in postal operations, logistics, and customer service. I focus on improving processes, mentoring teams, and delivering measurable results.

As Postmaster and Supervisor, I managed daily operations, financial performance, payroll, and up to 30 employees across multiple offices, ensuring compliance and continuity during staffing transitions. I led process changes that increased office compliance and improved service ratings.

I hold a Lean Six Sigma Yellow Belt and certifications in HAZMAT, workplace safety, PCI compliance, and cybersecurity awareness, and I routinely use postal systems such as TACS, C360, HERO, and ADUS. I coordinate remote teams, train staff, and resolve complex customer issues to boost satisfaction.

I seek a fully remote, service-oriented role where I can apply operational expertise, strengthen compliance, and mentor teams to sustain performance and reduce turnover. I bring practical, results-focused leadership and a commitment to continuous improvement.

Experience

Work history, roles, and key accomplishments

US

Supervisor, Customer Service

USPS

Jan 2019 - Jan 2023 (4 years)

Managed over 30 employees across multiple offices, optimized scheduling and payroll, and drove continuous process improvements to ensure timely delivery and regulatory compliance.

USPS logoUS

Rural Carrier / RCA

USPS

Jan 2016 - Jan 2019 (3 years)

Executed daily mail and package delivery with accuracy using handheld systems, maintained high service standards during peak periods and staff shortages.

AB

GMP Micro Cleaner

ABM

Aug 2014 - Present (11 years 2 months)

Performed cleanroom maintenance in a regulated environment, adhering to strict GMP and hygiene protocols to support audit readiness.

Education

Degrees, certifications, and relevant coursework

ER

Escuela Secundaria Arturo Rosenblueth

High School Coursework, Secondary Education

Completed high school coursework at Escuela Secundaria Arturo Rosenblueth in Celaya, Mexico.

FS

Frederick High School

High School Diploma, Secondary Education

Completed High School Diploma at Frederick High School in 2014.

Tech stack

Software and tools used professionally

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Carlos Sierra - Postmaster - USPS | Himalayas