Position Summary
The Executive Assistant provides high-level administrative support to the President and helps ensure daily operations run smoothly and efficiently. This role is ideal for a highly organized, dependable, and detail-oriented individual with excellent communication skills, a willingness to learn, and the ability to manage a variety of administrative, scheduling, client communication, and event planning responsibilities.

No previous executive assistant experience is required; however, the successful candidate must be professional, proactive, adaptable, and comfortable using Microsoft Office, and basic AI tools to support administrative tasks.

Key Responsibilities:

• Provide day-to-day administrative support to the President, including scheduling, calendar coordination, meeting preparation, document organization, and follow-up on action items.
• Assist with daily tasks and priorities to help improve efficiency, organization, and workflow for the President and leadership team.
• Coordinate meetings, prepare agendas, organize materials, take notes when needed, and assist with follow-up communications.
• Support event planning activities, including coordinating logistics, communicating with attendees, managing details, preparing materials, and assisting with execution.
• Communicate professionally with clients, partners, vendors, and staff on behalf of the President, ensuring timely, accurate, and courteous responses.
• Assist with business development outreach by helping maintain contact lists, coordinating introductions, scheduling meetings, and supporting follow-up with prospective clients and professional contacts.
• Prepare, edit, format, and organize documents, correspondence, presentations, reports, and other business materials.
• Use Microsoft Office, including Teams, and basic AI tools to help draft communications, organize information, summarize notes, manage tasks, and improve administrative efficiency.
• Maintain confidentiality and exercise good judgment when handling sensitive information, communications, and business matters.
• Anticipate needs, identify priorities, and take initiative to keep tasks, communications, and schedules moving forward.

Qualifications and Skills:

• Excellent written and verbal communication skills.
• Highly organized, detail-oriented, and able to manage multiple tasks and deadlines.
• Professional, courteous, and comfortable communicating with clients, staff, and external contacts.
• Proficient with Microsoft Office, including Word, Excel, Outlook, PowerPoint, and Teams.
• Comfortable using basic AI tools to support administrative work, such as drafting, summarizing, organizing, and improving efficiency.
• Ability to learn quickly, take direction, and work both independently and collaboratively.
• Strong follow-through, reliability, and commitment to completing tasks accurately and on time.
• Ability to maintain confidentiality and use discretion in a professional office environment.
• No prior executive assistant experience required; a positive attitude, strong work ethic, and willingness to learn are essential.

Preferred Attributes:

• Proactive and resourceful approach to solving problems and supporting leadership needs.
• Positive, professional presence and strong interpersonal skills.
• Ability to remain calm, organized, and responsive in a fast-paced environment.
• Interest in business development, client relations, and professional networking.
• Comfort with technology and a willingness to explore tools that improve productivity and communication.

A.D. Marble is an equal opportunity employer.

Please send your resume to jobs@admarble.com.

A.D. Marble is looking for a full-time Project Manager/Environmental Scientist with 8+ years of experience. This position allows for a flexible/hybrid work environment. 

This individual will serve as a Project Manager and an Environmental Scientist. Responsibilities include managing the National Environmental Policy (NEPA) components of projects. Candidate should possess knowledge in technical and regulatory requirements for a broad range of environmental subject areas, including NEPA, Section 4(f), and Section 106.

Job Duties Include :

• Managing budgets, coordinating with task managers, and developing client relationships for the NEPA components of our projects 
• Preparing NEPA-related documents 
• Possessing strong knowledge in technical and regulatory requirements for environmental subject areas, including natural resources, NEPA, and Section 4(f)
• Possessing working knowledge of waterway permit applications, Section 106, and waste site evaluations
• Presenting at client meetings, public meetings, virtual meetings, and stakeholder meetings

Skills and Abilities Should Include:

• Educational background with B.S. degree in Botany, Biology, Environmental Science, or related discipline 
• 8+ years of experience 
• Taking initiative and working in a team environment
• Strong organizational and interpersonal skills 
• Ability to manage multiple tasks 

A.D. Marble is an equal opportunity employer.

Please send your resume to jobs@admarble.com.

A.D. Marble is looking for a full-time Environmental Scientist with entry-level to three years of experience. This position allows for a flexible/hybrid work environment. Responsibilities include participating in fieldwork and office related work pertaining to wetland and stream delineations and assessments, threatened and endangered species surveys, National Environmental Policy (NEPA) documentation, and PADEP Chapter 105 permit applications.

Job Duties Include :

• Wetland delineations and other natural resource field studies
• Preparing NEPA-related reports and other documents
• Preparing permit applications

Skills and Abilities Should Include:

• Educational background with B.S. degree in Botany, Biology, Environmental Science, or related discipline;
• Entry-level to 3 years of experience;
• GIS/GPS capabilities;
• Strong organizational and interpersonal skills
• Taking initiative and working in a team environment

A.D. Marble is an equal opportunity employer.

Please send your resume to jobs@admarble.com.

A.D. Marble is seeking a Water Resource Engineer with 0 to 4 years of experience in transportation, land development, or floodplain industry to fill a full-time or part-time position. This role offers a flexible/hybrid work environment from our Camp Hill or King of Prussia Pennsylvania offices.

Key Responsibilities:

• Perform hydrology and hydraulic analysis using HEC-RAS.
• Design stormwater management systems.
• Develop erosion and sediment pollution control plans.
• Create stream mitigation designs.
• Perform drainage design tasks.

Required Skills and Abilities:

• B.S. in Civil Engineering, Environmental Engineering, Water Resource Engineering, or a related discipline.
• E.I.T. certification or ability to earn within 1 year.
• Experience with MicroStation.
• Excellent written and verbal communication skills.
• Ability to manage multiple tasks, take initiative, and work in a team environment.

A.D. Marble is an equal opportunity employer.

Please send your resume to jobs@admarble.com.