Office Administrator

Job Category : Operations - Administrative Requisition Number : OFFIC003765 Posted : July 31, 2026 Full-Time On-site Locations Showing 1 location Duluth, GA 4120 Chattahoochee Trce Suite A Duluth, GA 30097, USA Duluth, GA 4120 Chattahoochee Trce Suite A Duluth, GA 30097, USA At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way. About Us: Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges. We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day. Job Summary: The Office Administrator serves as the operational backbone of the office, providing administrative, business development, financial, and facility support to ensure the smooth day-to-day operation of the business. This role partners with company principals and staff to support project pursuits, maintain office operations, coordinate administrative processes, and deliver a positive experience for employees, clients, and visitors. Responsibilities: Business Development & Proposal Support Prepare and coordinate proposals, Statements of Qualifications (SOQs), resumes, and other client-facing pursuit materials. Assist with project specification documents and submittal tracking. Complete vendor onboarding documentation and setup requirements. Administrative & Executive Support Provide scheduling, coordination, and administrative support for principals and leadership. Prepare reports, presentations, and other business documents. Track professional licensing and credential requirements for principals. Answer incoming calls and manage office correspondence. Financial & Compliance Support Assist with check deposits and monthly credit card reconciliations. Coordinate Certificates of Insurance (COIs) and related documentation. Support preparation of monthly safety reports and other compliance-related reporting. Ensure office utilities and recurring vendor services are maintained and paid on time. Office Operations & Employee Support Manage office supplies, equipment, and vendor relationships. Coordinate lunch-and-learn sessions, meetings, and office events. Handle incoming and outgoing mail, deliveries, and shipping needs. Support day-to-day office needs to maintain an organized, efficient, and welcoming workplace. Additional Duties Perform other administrative and operational responsibilities as assigned to support business and office needs. Qualifications & Experience High school diploma or equivalent; Associate's degree in Business Administration, Communications, Marketing, or a related field preferred. 3+ years of experience in an administrative, office management, coordinator, or business support role. Strong organizational skills with the ability to manage multiple deadlines and competing priorities. Proficiency with Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint. Strong written communication skills with experience preparing, editing, and formatting professional documents. Ability to maintain accuracy and attention to detail while handling administrative, financial, and compliance-related tasks. Strong customer service and interpersonal skills with the ability to work effectively with employees, clients, vendors, and leadership. Ability to work independently, exercise sound judgment, and handle confidential information appropriately. Location : Atlanta, GA This role is also eligible forperformance-based bonuses and a comprehensiveU.S. basedbenefits package, including: Medical, dental, and vision insurance 401(k) with company match Paid time off and company holidays Wellness programs and employee assistance resources For more information, visit our full benefits overview here. Equal Opportunity Employment Statement Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law. Qualifications Skills Behaviors : Motivations : Education Required High School or better. Preferred Associates or better in Business Administration or related field. Associates or better in Communication or related field. Associates or better in Marketing or related field. Experience Required 3 years: 3+ years of experience in an administrative, office management, coordinator, or business support role. Licenses & Certifications Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor. #J-18808-Ljbffr