Office Administrator

Company Overview:

Spencer Construction is a full-service heavy civil and security infrastructure contractor, delivering complex, large-scale projects throughout the Southwest and beyond. Our core competencies include earthwork, concrete construction, steel erection, and other mission-critical infrastructure services.

Our foundation is built on deep industry expertise, driven by a leadership team with decades of combined experience. We are committed to excellence and innovation in every project we undertake.

Our mission is clear: to build and safeguard America through the development, enhancement, and maintenance of border infrastructure, community assets, and heavy civil works.

We are guided by three core values—People. Building. Business. These principles shape our culture, inform our decisions, and strengthen the relationships we forge with clients, partners, and communities.

Position Summary:

Are you passionate about creating order, improving processes, and making operations run like clockwork? We’re looking for a dynamic Office Administrator who will own office operations and help us continuously improve how we work. This is a role for someone who thrives on efficiency, problem-solving, and innovation—not just checking boxes.

We need someone who is comfortable with gray areas—not all processes are built yet. You’ll play a key role in spotting gaps, finding solutions, and helping us evolve. If you’re proactive, resourceful, and ready to make an impact, this is the opportunity for you.

Core Responsibilities

• Office Operations: Oversee day-to-day office functions, including café management, supply inventory, and maintaining clean, organized common areas.
• Administrative Support: Answer and direct calls, manage voicemails, sort and distribute mail, and handle business card orders.
• Meeting & Event Coordination: Set up and stock conference rooms, schedule meetings, and assist with ELT meeting preparation, including minutes and materials.
• Travel & Expense Management: Coordinate travel arrangements and manage ELT credit card processing.
• Supply & Vendor Management: Maintain inventory, manage ordering systems, and ensure timely fulfillment of office needs.
• Employee Engagement: Coordinate birthday cards, anniversary gifts, and other recognition items.
• Office Care: Open and close office items (coffee setup, lights, etc.) and perform light upkeep of shared spaces.
• Special Projects: Support miscellaneous and one-off projects across departments and run errands as needed.

Requirements:

• Minimum 3 years in office administration or operations management.
• Process Building Expertise: Proven experience in designing and optimizing workflows to drive efficiency and improvement.
• Problem Solver & Innovator: You proactively identify gaps and take ownership in closing them. Driven by efficiency and continuous improvement, you bring creative solutions to the table.
• Strong Communicator: Excellent verbal and written communication skills for coordinating meetings, handling correspondence, and supporting leadership.
• Organized & Detail-Oriented: Able to manage multiple priorities without dropping the ball.
• Tech-Savvy: Proficient with office software and tools (Microsoft 365, scheduling platforms, etc.).
• Professional Presence: Confident in setting up meetings, preparing conference rooms, and occasionally supporting ELT meetings with tasks like taking minutes or organizing materials.

Benefits:

• Medical
• Dental
• Vision
• 401k with employer match 

EEO poster

Spencer Construction is an Equal Opportunity Employer. Spencer Construction does not discriminate on the basis of race, religion, color, sex, gender, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis covered by appropriate law. All employment is decided on the basis of qualifications, merit, and business need.