We're growing in Sioux Center!

OHA Architecture + Design is a full-service architecture, interior design, and planning firm with offices in Sioux Center, Iowa and Mankato, Minnesota. We specialize in creating thoughtful environments across a wide range of project types, including religious facilities, K–12 schools, higher education, healthcare, hospitality, corporate offices, financial institutions, municipal buildings, and industrial facilities.

Our mission is to be a trusted, collaborative partner delivering inspiring design through experienced dedication, integrity, and a commitment to adding value to every project.

Office Administration Assistant – OHA Architecture + Design

OHA is seeking a skilled and motivated Office Administration Assistant to join our collaborative team. This role is ideal for an office professional with strong organizational abilities, a passion for office collaboration, and experience in office administration.

Position Overview:

As an Office Administration Assistant, you will assist in overall office management, answering phones, and assist in office coordinating with office architects, designers & technicians.

Key Responsibilities:

Office Administration

• Serve as the first point of contact for phone calls, emails, and visitors
• Manage incoming and outgoing mail and deliveries
• Maintain office supplies and coordinate vendor orders
• Support scheduling for leadership and staff as needed
• Assist with basic bookkeeping tasks such as invoice preparation and expense tracking (as directed)

Office Management

• Help maintain an organized, professional, and efficient office environment
• Coordinate office events, meetings, and team activities
• Support onboarding logistics for new employees (workspace setup, materials, etc.)
• Assist in maintaining firm calendars, templates, and standard documents
• Identify opportunities to improve office systems and workflows

Project Coordination Support

• Assist Project Managers and design staff with day-to-day project coordination tasks
• Prepare and format project documents, reports, meeting agendas, and meeting minutes
• Track project schedules, deadlines, and deliverables
• Coordinate internal and external meetings, including client and consultant meetings
• Maintain organized digital and physical project files
• Assist with submittals, RFIs (Requests for Information), and general project documentation

Contracts & Documentation

• Assist in preparing client contracts, proposals, and agreements
• Support tracking of contract status, signatures, and key dates
• Maintain contract files and project-related legal documentation
• Coordinate with leadership on insurance certificates and compliance documentation

Key Competencies

• Proactive and self-directed
• Strong attention to detail and accuracy
• Professional and service-oriented mindset
• Ability to maintain confidentiality
• Collaborative team player with a positive attitude

Technology & Tools:

• Proficiency in Microsoft Office (Word, Excel, Outlook); experience with project management or CRM software is a plus
• Ability to manage multiple tasks and shift priorities with attention to detail

Qualifications

• Associate or bachelor’s degree in business administration, Communications, or related field preferred
• 2+ years of administrative or office support experience (architecture/engineering/construction industry a plus)
• Strong organizational and time management skills
• Excellent written and verbal communication skills

What We Offer:

• Competitive compensation with a comprehensive benefits package.
• Flexible scheduling and remote work options (based on role and trust).
• Direct collaboration with clients and consultants.
• Supportive and creative work environment.
• Mentorship and professional development encouraged.
• Mission-focused on integrity, collaboration, and client satisfaction.

OHA is a close-knit, collaborative team with a flexible, people-centered culture. Our studio encourages open design dialogue, supports remote work when appropriate, and is deeply client focused. We value loyalty, trust, and a shared passion for purposeful architecture. This is a great opportunity to join a vibrant, growing firm where you’ll work closely with other design professionals in a dynamic, supportive environment. We’re committed to exceptional client service and fostering a positive work life balance.

If you meet the qualifications listed above, we encourage you to apply by sending your resume and cover letter (PDF or link) to: Heather@oharchitects.com  Subject: Office Administration Assistant

OHA does not accept unsolicited resumes from individual recruiters or third-party agencies in response to OHA job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers.