Senior Administrative Coordinator/Specialist

G-TECH Services LLC; Orange (TX); On-site; USD 45,000 - 65,000; Full time

Job summary

G-TECH Services LLC seeks a Senior Administrative Coordinator to support leaders and a 100-person team. You will manage calendars, travel, and document management, and serve as a resource for Microsoft Office and SharePoint. The role emphasizes proactive, independent work in a fast-paced environment.

The ideal candidate will handle confidential information with discretion, support purchasing activities, and help improve administrative processes across departments.

Qualifications

• Must have experience in senior administrative, executive administrative, administrative coordination, or office management roles.
• Proven ability to support multiple leaders or large teams.
• Strong written and verbal communication; excellent organizational skills.

Responsibilities

• Provide professional administrative support to leaders, team members, and operations personnel.
• Manage complex calendars, meetings, travel, and visitor coordination across time zones.
• Coordinate department meetings, events, and projects from planning to completion.

Skills

Verbal and written communication

Organizational & time management

Independent work

Problem-solving

Relationship-building

Tools

Microsoft Office

SharePoint

Power BI

SAP

Job description

Job Summary

We are seeking an experienced and highly organized Senior Administrative Coordinator / Administrative Specialist to provide comprehensive administrative support to leaders, employees, and a large organizational team of approximately 100 employees.

This role requires someone who is proactive, self-motivated, highly organized, and comfortable working independently while managing multiple priorities in a fast-paced environment. The ideal candidate will have strong communication and relationship-building skills, excellent attention to detail, and experience supporting leadership teams.

In addition to traditional administrative responsibilities, this position will serve as a key resource for digital tools, SharePoint, document management, purchasing, expense reporting, and basic technology support.

Key Responsibilities

• Provide professional administrative support to multiple leaders, team members, and operations personnel.
• Manage complex calendars, meetings, appointments, conference rooms, events, and visitor coordination.
• Coordinate department meetings, events, and special projects from planning through completion.
• Prepare meeting notes, summaries, action items, and follow-up communications.
• Arrange domestic and international business travel, including detailed itineraries and multiple time zones.
• Handle confidential and sensitive information with a high level of discretion and professionalism.
• Serve as an administrative point of contact for employees, leadership, internal departments, and external contacts.
• Prioritize multiple requests and independently determine appropriate actions to keep work moving efficiently.
• Support purchasing activities, office supplies, expense reporting, and corporate purchasing card processes.
• Review expense reports for accuracy and policy compliance and follow up on discrepancies.
• Maintain and organize electronic and hardcopy documents and records.
• Support document lifecycle management, including document creation, organization, review, ownership, and retention.
• Maintain and support SharePoint sites, shared files, electronic repositories, and other document-management systems.
• Help establish and communicate document-management procedures and best practices.
• Support document reviews and updates associated with business processes and organizational changes.
• Assist employees with basic technology, connectivity, collaboration tools, and equipment-related issues.
• Manage company tablets, chargers, and related office technology equipment.
• Escalate technical issues to the appropriate support team when necessary.
• Serve as a resource for Microsoft Office and other business applications.
• Collaborate with administrative teams and internal stakeholders to share best practices and improve processes.
• Support organizational safety, compliance, and company policy initiatives.
• Maintain a professional, collaborative, and inclusive work environment.

Required Qualifications

• Previous experience in senior administrative, executive administrative, administrative coordination, or office management roles.
• Experience supporting multiple leaders, managers, or large teams.
• Strong verbal and written communication skills.
• Excellent organizational, prioritization, and time-management skills.
• Demonstrated ability to work independently with limited supervision.
• Strong problem-solving skills and the ability to anticipate needs.
• Ability to manage multiple priorities and changing deadlines in a fast-paced environment.
• Strong proficiency with Microsoft Office, including Outlook, Word, Excel, PowerPoint, and Teams.
• Ability to handle confidential information with discretion.
• Strong interpersonal and relationship-building skills.

Preferred Qualifications

• Experience with SharePoint and electronic document management systems.
• Experience with SAP or other enterprise business systems.
• Experience with purchasing, corporate purchasing cards, or expense reporting.
• Experience coordinating domestic and international travel.
• Experience supporting digital transformation or technology initiatives.
• Experience assisting employees with basic technology or connectivity issues.
• Experience with Power BI or similar reporting/analytics tools.
• Experience working in a large corporate, manufacturing, engineering, or industrial environment.

Ideal Candidate

The successful candidate will be a proactive and resourceful professional who takes ownership of responsibilities, communicates effectively with people at all levels, and can independently prioritize competing demands.

You should be comfortable acting as a trusted administrative resource for leadership and employees, learning new systems quickly, improving processes, and finding practical solutions to day-to-day challenges.

• Primarily office-based.
• Business casual environment.
• No routine PPE requirements.
• May occasionally operate a golf cart onsite.
• No personal vehicle use required.
• No TWIC card required.

Schedule

40 hours per week

Fridays and weekends off

Preferred start time: approximately 7:00 AM