Staff Consultant, Engineering

and the job listing Expires on April 9, 2026

ALL4 is seeking a Staff Consultant for our Washington, D.C., Office in Herndon, VA to join the fast-paced, deadline-driven world of consulting. An ALL4 Staff Consultant is responsible for developing their technical and regulatory knowledge base to enable the efficient completion of environmental projects in this entry-level role. The Staff Consultant acts as the secondary technical resource in direct support to Project Consultants and other more senior staff.

This role will encompass a variety of tasks in broad-spectrum areas of environmental health and safety. This individual will join a team of environmental professionals who are well-versed in complex air-quality permitting and compliance and other multimedia environmental expertise, and who are committed to furthering our mission of being a globally recognized consulting company shaping environmental responsibility and creating distinction for clients, employees, and partners.

• Consistently deliver quality and timely work products to project team.
• Develop emissions inventories for facilities.
• Review state and federal environmental regulations and expand environmental consulting knowledge.
• Efficiently provide accurate technical calculations, effective written communication, and utilization of spreadsheets and databases to contribute to project deliverables.
• Prepare technical reports in support of environmental permits.
• Analyze and translate data for modeling support.
• Provide direct project support to colleagues of varying career levels.
• Demonstrate strong analytical and technical skills; coordinate with team members the review of project deliverables to ensure project compliance with ALL4’s quality assurance procedures.
• Exhibit ALL4’s core values in all transactions both internally and externally; continually seek out and provide feedback.
• Meet billable hour and utilization goals.
• Interact with client and regulatory contacts.
• Perform other related duties as assigned by management.

• Engineering or applicable environmental/science degree and an interest in environmental consulting.
• Strong organizational, technical calculation, and analytical skills.
• Ability to meet deadlines by independently managing priorities and workflows.
• Commitment to excellence and ALL4’s core values; openness to change, personal growth, and coaching.
• Creative thinking with complex problem-solving skills.
• Excellent communication and interpersonal skills, including strong document production skills (proficiency in Word and Excel) and technical writing ability.
• Basic chemistry knowledge.
• Versatility, flexibility, and a willingness to manage changing priorities with enthusiasm.
• Experience in consulting or the environmental field and understanding of industry manufacturing processes preferred.

ALL4 provides consulting services that span challenges encountered within private and public sector environmental health and safety (EHS) programs. Our strategic services include air quality; chemical reporting and management; digital solutions; sustainability; environmental, social, and governance (ESG); investigation and remediation; occupational health and safety; waste management; and water quality.

ALL4 has offices and remote staff members across most of the United States as well as in Canada, Spain, and Latin America. The company has office locations in the metro areas of Philadelphia, PA (headquarters);
Rancho Cucamonga, CA;
San Juan Capistrano, CA;
Atlanta, GA;
Louisville/Lexington, KY;
Boston, MA;
Raleigh, NC;
Houston, TX;
Bellingham, WA; and Washington, DC. ALL4 provides strategic consulting services to numerous heavily regulated industries across the country, including pulp and paper, food and beverage, consumer products, cement, chemical/pharmaceutical, waste management, power, oil and gas, and automotive.

ALL4 has been consistently recognized as a “Best Place to Work” both regionally and nationally – growing in personnel, culture, and environmental disciplines. Notable honors include:

• Verdantix Green Quadrant for service providers – Innovator Status
• Inc. 5000 Fastest Growing Companies
• Zweig Hot Firm – Fastest Growing Firms

ALL4 is an Equal Opportunity Employer. We value diversity and do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, age, national origin, veteran status, disability status, or any other applicable characteristics protected by law. All employment is decided based on qualifications, merit, and business need.