Administrative Assistant II- Los Angeles CA

Administrative Assistant II – Los Angeles, CA

Full-Time | Hybrid | Los Angeles, CA

Why CMTS

Every day at CMTS, our team delivers infrastructure projects that positively impact lives and communities. With over 42 years of industry experience, CMTS has built a strong foundation for continued success, providing project and construction management services to public and private clients nationwide.

We value our employees by fostering a culture of learning, professional development, and collaboration. CMTS is committed to maintaining a work environment that emphasizes integrity, accountability, and teamwork while supporting work-life balance and employee well-being. Our teams are empowered to grow, contribute, and make a meaningful impact through the work they do.

About Your Role

CMTS is seeking a detail-oriented Administrative Assistant II to support The Development Group Cost Accounting Team. This role provides essential administrative, clerical, and data coordination functions, including supporting consultant timekeeping processes, preparing and routing budget-related documentation, maintaining financial tracking records, and managing shared electronic files.

The Administrative Assistant II will also assist with reporting, data verification, and training users on internal systems while ensuring accuracy, organization, and efficiency across departmental operations.

Education Requirements

• High school diploma (or equivalent)
• Five (5) or more years of relevant work experience in administrative support or office coordination

What You’ll Need to Get the Job Done

• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint)
• Strong keyboarding skills and working knowledge of MS Windows and related applications
• Excellent written and verbal communication skills
• Strong organizational and multitasking abilities
• Ability to work independently and complete assignments with minimal supervision
• Ability to thrive in a high-volume, fast-paced team environment
• Proven record of office administration accomplishments
• Strong attention to detail and ability to verify data accuracy
• Dependability and accountability in completing assignments
• Flexible attitude toward changing priorities and conditions
• Ability to maintain organized files and workspaces

Preferred Qualifications

• Experience with Prolog or similar project management/accounting systems
• Familiarity with TDG policies and procedures
• Experience supporting cost accounting or financial tracking functions

What You’ll Do

• Perform routine and non-routine administrative, clerical, and data collection tasks in accordance with established procedures
• Support consultant timekeeping administration and assist with user training
• Prepare and route budgetary memos, requests, and related documentation
• Maintain and update charge code lists, budget authorizations, and expenditure data
• Gather, compile, and organize statistical and general data into reports for internal use
• Develop, update, and maintain reports in spreadsheet, graphical, or narrative formats
• Verify data accuracy, including cross-checking supplier invoices against records
• Scan, organize, and maintain electronic and shared files
• Distribute reports and documentation as directed
• Draft correspondence and prepare general documentation as needed
• Answer and route phone calls, take messages, and respond to inquiries appropriately
• Receive, sort, and distribute incoming mail
• Maintain organized filing systems and workspace
• Collaborate with internal stakeholders to support department and organizational goals
• Perform additional administrative duties as assigned

Work Schedule

This position offers a hybrid schedule:

• Remote: Monday and Friday
• On-site: Tuesday, Wednesday, Thursday

What You Can Expect from CMTS

• Opportunity to support impactful infrastructure and development programs
• Collaborative and professional team environment
• Career stability and growth opportunities
• A culture centered on accountability, teamwork, and continuous improvement
• 100% company-paid medical, dental, vision, life, and long-term disability insurance coverage

Salary 

• $59,900.00 - $63,000.00 Annually 

Apply Now!

www.cmtsllc.com/careers

Equal Employment Opportunity

CMTS, LLC is an Equal Opportunity Employer and does not discriminate based on race, color, religion, national origin, ancestry, citizenship status, age, disability, sex, marital status, pregnancy, veteran status, sexual orientation, genetic information, arrest record, or any other characteristic protected under applicable federal, state, or local laws.