Public Sector
Assistant Public Works Director Job Description
Assistant Public Works Directors help lead a local government's infrastructure operations — roads, stormwater, water and sewer systems, fleet, and facilities. They supervise division managers, manage capital project programs, oversee operating budgets, and often serve as acting director. Most positions require a Professional Engineer (PE) license and substantial public works management experience.
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Role at a glance
- Typical education
- Bachelor's degree in civil engineering; MPA or Master's in Civil Engineering preferred
- Typical experience
- 10-15 years
- Key certifications
- Professional Engineer (PE), Project Management Professional (PMP)
- Top employer types
- Local government agencies, municipal departments, public works utilities, state DOTs
- Growth outlook
- Strong demand driven by $1 trillion in federal infrastructure funding and a pronounced retirement wave
- AI impact (through 2030)
- Augmentation — AI can optimize asset management, GIS data, and predictive maintenance for infrastructure, but physical oversight, regulatory compliance, and community leadership remain human-centric.
Duties and responsibilities
- Assist the Public Works Director in managing department divisions including transportation, utilities, stormwater, and facilities maintenance
- Oversee the department's Capital Improvement Program (CIP): project delivery schedules, contractor performance, and budget adherence
- Manage department operating and capital budgets, including preparation of annual budget submittals and monthly variance reporting
- Review and approve engineering designs, construction contracts, change orders, and procurement packages within delegated authority
- Supervise division managers and engineering staff; conduct performance evaluations and lead workforce planning for the department
- Coordinate with city or county management, elected officials, and the public on major infrastructure projects and service issues
- Ensure department compliance with federal and state environmental regulations including NPDES stormwater permits and EPA drinking water standards
- Serve as the department's primary project manager for high-priority or politically sensitive capital projects
- Represent the department at city council, county board, and regional planning meetings, presenting technical information to non-technical audiences
- Lead emergency response coordination for infrastructure failures: water main breaks, road washouts, sewer overflows, and major storm damage
Overview
Assistant Public Works Directors run one of the most operationally complex departments in local government. Roads, water, sewer, stormwater, parks facilities, fleet, and public buildings all fall under the public works umbrella at many agencies — and all of them require active management, capital investment, regulatory compliance, and day-to-day operations simultaneously.
The strategic priority for most assistant directors is the Capital Improvement Program. Most jurisdictions maintain a 5–10 year CIP that identifies needed infrastructure projects, estimates costs, and schedules funding. The assistant director's job is to move that program from plan to construction: soliciting design consultants, managing design review, taking projects through environmental and permitting processes, advertising construction contracts, overseeing contractor performance, and closing out completed projects. At any given time, managing 20–40 active projects at various stages is normal.
Budget management is the other major responsibility. Public works departments run large budgets — often the largest in a jurisdiction outside of public safety — and the assistant director is accountable for spending within appropriation, justifying capital requests, and identifying cost savings in the operating program without compromising service levels. Monthly budget tracking and variance explanations are standard deliverables.
Coordination with elected officials and the public requires patience and communication skill. Infrastructure projects affect daily life visibly — road closures, utility outages, construction noise — and residents who are unhappy make their feelings known. The assistant director often fields complaints, explains project timelines, and manages community expectations through council presentations, public meetings, and direct constituent contact.
Emergency response is an irregular but high-priority function. A major water main break, a road washout from a storm, or a wastewater spill can require immediate mobilization of department resources at any hour. The assistant director is often the person making calls at 2 AM to get crews in the field and coordinating with other agencies when the incident has regional implications.
Qualifications
Education:
- Bachelor's degree in civil engineering required at most jurisdictions
- Master's in public administration (MPA) or civil engineering is valued for director-track roles
- Project Management Professional (PMP) adds credibility for CIP management responsibilities
Licensure:
- Professional Engineer (PE) — required by most agencies, often non-negotiable when the role oversees engineering functions
- Driver's license — required for field visits and site inspections
Experience:
- 10–15 years of progressively responsible engineering or public works experience
- At least 5 years in a supervisory or management role
- Direct experience managing capital projects from design through construction closeout
- Budget preparation and management experience — direct accountability for a significant operating or capital budget
Technical knowledge:
- Civil infrastructure: roadway design and pavement management, water distribution and wastewater collection, stormwater systems
- Contract management: RFP/IFB preparation, contractor performance oversight, change order evaluation
- Federal grant programs: FHWA, CDBG, SRF loans for water and sewer, ARPA infrastructure
- GIS for infrastructure asset management
- NPDES stormwater permit compliance and EPA drinking water regulatory framework
Regulatory familiarity:
- State DOT standards and local aid program requirements
- ADA accessibility standards for public infrastructure
- NEPA/CEQA environmental review process for federally or state-funded projects
Career outlook
The demand for experienced public works management professionals is among the strongest in local government right now. The Infrastructure Investment and Jobs Act passed in 2021 injected over $1 trillion into transportation, water, broadband, and resilience projects over a five-year period, much of it flowing through states and localities. Managing that capital program requires senior public works leadership — and many jurisdictions are finding their current staff stretched.
The retirement wave in public works is pronounced. The median age of civil engineers and public works professionals is older than the government workforce average, and large cohorts are reaching retirement age in the late 2020s. Jurisdictions that have delayed succession planning are now facing the prospect of a Public Works Director retiring without a ready internal candidate to step into the assistant director seat.
For candidates with a PE license, public works management experience, and a track record of delivering capital projects, the market is genuinely favorable. Search firms report that qualified candidates for assistant and deputy public works director positions are scarce relative to open positions, and agencies are being more flexible on salary than in past hiring cycles to attract the talent they need.
The career path from assistant director to director is straightforward and well-defined. Most public works directors come up through the engineering and project management ranks, with the assistant director role as the direct predecessor. Directors often serve 8–15 years before retirement, providing substantial tenure and compensation growth. For PE-licensed civil engineers who prefer public service to private sector consulting, public works leadership is one of the most compelling long-term career options in government.
Sample cover letter
Dear Hiring Manager,
I'm applying for the Assistant Public Works Director position with [City/County]. I'm currently a Senior Civil Engineer and CIP Program Manager at [Agency], where I manage a $45 million annual capital program covering road reconstruction, stormwater infrastructure, and utility rehabilitation projects.
In that role I've been responsible for project delivery from design contract through construction closeout — managing consultants, reviewing design submittals, preparing bid packages, evaluating contractor proposals, overseeing construction inspection, and processing pay applications and change orders. I currently have 18 active projects at various stages. I'm licensed as a PE in [State] and hold my PMP.
I've also taken on more of the division management work over the last 18 months as our director's retirement has approached. I now supervise four project engineers directly, prepare the CIP section of the annual budget submittal, and present quarterly project updates to the City Council. I've learned a great deal about what the administrative and political dimensions of this work require — and I find that I'm genuinely drawn to the management role, not just tolerating it on the way to something else.
What draws me to [City/County] specifically is the scale and mix of the infrastructure program. The combination of transportation, utilities, and stormwater in one department is the kind of integrated operation I want to build experience managing. Your department's APWA accreditation also signals that program management standards are taken seriously, which is an environment where I'd do my best work.
I'd welcome the chance to discuss the position in more detail.
[Your Name]
Frequently asked questions
- What does an Assistant Public Works Director do?
- Assistant Public Works Directors help lead a local government's infrastructure operations — roads, stormwater, water and sewer systems, fleet, and facilities. They supervise division managers, manage capital project programs, oversee operating budgets, and often serve as acting director. Most positions require a Professional Engineer (PE) license and substantial public works management experience.
- What are the main duties of an Assistant Public Works Director?
- Core duties include: assist the Public Works Director in managing department divisions including transportation, utilities, stormwater, and facilities maintenance; oversee the department's Capital Improvement Program (CIP): project delivery schedules, contractor performance, and budget adherence; and manage department operating and capital budgets, including preparation of annual budget submittals and monthly variance reporting.
- Is a PE license required to be an Assistant Public Works Director?
- It is required at most jurisdictions, particularly those where the assistant director oversees engineering staff or signs off on engineering documents. Some smaller agencies accept candidates with extensive public works management experience in lieu of the PE, particularly for operations-focused roles. State laws on who may supervise licensed engineers influence this requirement.
- What academic background leads to this role?
- Civil engineering is the most common undergraduate degree, with many candidates also holding an MPA or MBA acquired later in their careers. Some public works directors come from environmental engineering, structural engineering, or construction management backgrounds. The administrative and leadership aspects of the role are usually developed on the job rather than in formal graduate education.
- How much of the job is technical versus administrative?
- At the assistant director level, the work is predominantly administrative and managerial — budget oversight, staff supervision, political coordination, stakeholder communication, and program management. Technical review of engineering work is part of the job, but the assistant director is not producing design work; they're reviewing and approving what project engineers produce.
- How is the public works field changing with climate adaptation?
- Infrastructure design standards are being updated in many jurisdictions to account for heavier precipitation events, more frequent flooding, and higher temperatures. Stormwater programs are expanding; pavement materials and design standards are evolving; utility resilience planning has become a standard part of capital programming. Assistant directors are increasingly involved in grant applications and capital planning for climate-resilient infrastructure.
- What is the APWA accreditation and why does it matter?
- APWA (American Public Works Association) offers a public agency accreditation program that evaluates department practices against national standards in areas like fleet management, emergency planning, and project delivery. Agencies pursuing accreditation need management staff familiar with the process. Some jurisdictions also support individual certification as a Public Works Manager (PWM) through APWA.
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