Administrative Assistant, Shared Services

Oldcastle Payroll, Inc.; Alpharetta (GA); Hybrid; USD 38,000 - 54,000; Full time

Benefits offered by this job

Medical benefits

Retirement plan

Wellness programs

Inclusive culture

Job summary

CRH Americas Materials Inc. is seeking an Administrative Assistant to support the Shared Services Center (SSC) leadership team. You will prepare presentations, reports, and meeting materials, manage calendars, and assist with special projects to keep leadership organized and prepared.

The role requires strong organization, discretion, and proactive collaboration in a fast-paced environment. Hybrid work includes in-office days to coordinate with teams and stakeholders across the SSC.

Qualifications

• High School diploma is required; an Associate degree in Business Administration or Office Administration is preferred
• 3+ years of administrative, office management, executive support, or related experience
• Advanced proficiency with Microsoft Office Suite (Outlook, Excel, PowerPoint, Word) required
• Ability to work autonomously, prioritize tasks, and follow through without close supervision
• Strong customer service orientation with the ability to build positive relationships
• Experience coordinating meetings, travel arrangements, and event logistics preferred
• Excellent verbal and written communication skills
• Ability to maintain confidentiality and handle sensitive information
• Strong problem-solving and critical-thinking abilities

Responsibilities

• Provide administrative support to SSC leadership team members
• Create presentations, reports, and meeting materials; gather content and finalize versions
• Review documents for typos, grammar, and formatting; ensure sign-off before distribution
• Draft and maintain project templates and deck master lists
• Manage travel arrangements and expense reports for CLT leaders
• Coordinate CLT calendar, meetings, events, off-sites, and logistics
• Prepare agendas, take notes, track action items for leadership meetings
• Coordinate office catering and events logistics
• Assist with employee and visitor office needs and maintain a welcoming environment
• Keep records and files organized in shared locations per policy
• Perform other duties as assigned

Skills

Autonomy

Prioritization

Communication

Problem-solving

Education

High School diploma

Associate degree in Business Administration

Equivalent experience considered

Tools

Microsoft Office Suite

Job description

Job Summary

We are seeking an Administrative Assistant to provide administrative support to the Shared Services Center (SSC) leadership team. This role keeps leadership organized and prepared by assisting with presentations, reports, and meeting materials, coordinating schedules, meetings, and off-sites, and supporting special projects and administrative initiatives. The ideal candidate is organized, discreet, and proactive, and enjoys supporting a fast-paced team in a collaborative office environment.

Location

• Hybrid - 3 days in office

What Shared Services Does

A Shared Services Center (SSC) centralizes critical business processes, streamlining operations, reducing costs, and delivering consistent quality. By consolidating areas such as finance, procurement, payroll, and reporting, SSC eliminates duplication, frees time for strategic priorities, and fosters efficiency. SSC's primary functions include:

• O2C (Order-to-Cash): Manages the customer journey from order to payment, driving smoother revenue processes.
• R2R (Record-to-Report): Enables robust financial reporting and accounting.
• P2P (Procure-to-Pay): Ensures timely vendor payments and strong supplier relationships. Manages the Travel and Expense program.
• Center of Excellence: Drives innovation and continuous improvement.
• Payroll (Hire-to-Retire): Ensures accurate, compliant employee payments.

Key Responsibilities

• Provide administrative support to SSC leadership team members (CLT).
• Create presentations, reports, meeting materials, and communications by gathering content, data, and existing decks, drafting, and working with the team on final versions.
• Review documents (PowerPoint, Word, Excel) for typos, grammar, and consistent formatting; make final corrections, save a clean version, and confirm sign-off before distribution.
• Draft and maintain project templates (timelines, tasks, owners, status, etc.) with instructions or sample entries and keep a master list of templates and decks.
• Serve as a resource for CLT leaders on travel and expense needs, including managing travel arrangements and completing expense reports.
• Assist with CLT calendar management, including scheduling and coordinating meetings, team events, off-sites, and other business activities and related logistics.
• Provide administrative support for leadership meetings including preparing agendas, taking meeting notes, tracking action items and follow-up activities as needed.
• Coordinate office catering and food service arrangements for meetings, training sessions, and employee events.
• Assist with employee and visitor office needs while promoting a welcoming and professional office environment.
• Keep records, invoices, and files organized in a shared location with clear file names and version history, in accordance with company policies.
• Perform other duties as assigned.

Education & Qualifications

• High School diploma required. Associate degree in Business Administration, Office Administration, or a related field preferred; equivalent experience may be considered.
• 3+ years of administrative, office management, executive support, or related experience.
• Advanced proficiency with Microsoft Office Suite, including Outlook, Excel, PowerPoint, and Word required.
• Demonstrated ability to work autonomously, prioritize competing tasks, and follow through without close supervision.
• Strong customer service orientation with the ability to build positive working relationships across all levels of the organization.
• Experience coordinating meetings, travel arrangements, and event logistics preferred.
• Exceptional organizational and time management skills.
• Excellent verbal and written communication skills.
• Ability to maintain confidentiality and handle sensitive information
• Strong problem‑solving and critical‑thinking abilities

Work Environment

• Ability to move throughout the office to support meetings, events, and facilities‑related activities.
• Ability to occasionally lift and move office supplies and materials up to 25 pounds.
• Ability to sit, stand, and work at a computer for extended periods of time.

What CRH Offers You

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

CRH Americas Materials Inc. is an affirmative action and equal opportunity employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.