Public Sector
Assistant Director of Public Works
Last updated
Assistant Directors of Public Works oversee the operational divisions of a municipal or county public works department — typically managing roads and streets, stormwater, water/wastewater utilities, fleet, and facilities maintenance. They supervise division managers, manage the capital improvement program, coordinate with engineering consultants, and handle the budget administration and regulatory compliance functions that keep public infrastructure running.
Role at a glance
- Typical education
- Bachelor's degree in civil engineering, public works administration, or related field
- Typical experience
- 10-15 years
- Key certifications
- Professional Engineering (PE) license, APWA Public Works Leadership, NIMS ICS-300/400
- Top employer types
- Municipal governments, county agencies, state DOTs, utility districts
- Growth outlook
- Strong demand driven by federal infrastructure funding and climate-driven resilience projects
- AI impact (through 2030)
- Augmentation — AI can enhance asset management through predictive maintenance and GIS analysis, but physical infrastructure oversight and political stakeholder management remain human-centric.
Duties and responsibilities
- Supervise division managers for roads, stormwater, utilities, fleet maintenance, and municipal facilities
- Manage the department's capital improvement program: coordinate project scoping, consultant selection, design reviews, and construction oversight
- Prepare and administer the operating and capital budgets, tracking expenditures and preparing reports for elected officials and city management
- Oversee regulatory compliance for stormwater MS4 permits, NPDES wastewater permits, and drinking water system regulations
- Coordinate with development review teams on infrastructure requirements for subdivision approvals, encroachment permits, and utility connections
- Manage contracts with engineering consultants, construction contractors, and equipment vendors through procurement and performance monitoring
- Respond to public inquiries, council requests, and media questions about infrastructure conditions, project timelines, and service disruptions
- Lead emergency response coordination for major infrastructure failures, flooding events, and disaster recovery operations
- Oversee the department's asset management program: infrastructure condition assessments, life-cycle cost analysis, and maintenance prioritization
- Represent the department before city council, planning commission, and regulatory agencies on infrastructure matters
Overview
Public works departments deliver infrastructure that most residents notice only when it fails — roads that need resurfacing, storm drains that back up, water mains that break, streetlights that go dark. The Assistant Director of Public Works manages the systems that keep this infrastructure functioning: the maintenance crews, the equipment, the regulatory permits, and the capital program that funds major improvements.
The role covers enormous operational scope. On a given day, the Assistant Director might resolve an emergency with a collapsed stormwater pipe that's affecting a busy intersection, review consultant invoices on a wastewater treatment plant upgrade, meet with the fleet manager about a critical apparatus procurement delay, and prepare a brief for the council budget committee on the department's five-year infrastructure funding gap.
Capital project management is central to the position. Most jurisdictions have a capital improvement program spanning 5–6 years, with dozens of individual projects in various stages of design, permitting, bidding, and construction. Keeping all of them moving requires coordination across consulting engineers, permitting agencies, finance staff, council offices, and construction contractors — often simultaneously. Delays in one project affect contractor schedules for others, and cost overruns require difficult conversations with the budget office and elected officials.
Regulatory compliance is another constant. Wastewater treatment plants operate under NPDES permits with specific effluent limits and reporting requirements. Stormwater systems require MS4 annual reporting to state and federal regulators. Drinking water systems face Safe Drinking Water Act compliance obligations. Non-compliance in any of these areas can result in consent orders and fines that create significant political problems for city management.
The public-facing component of the job is more demanding than most people expect before taking the role. Infrastructure decisions — street closures, sewer assessments, water rate increases, road diet projects — generate significant community attention and council scrutiny.
Qualifications
Education:
- Bachelor's degree in civil engineering, public works administration, or a related engineering field
- Master's degree in civil engineering, public administration, or business administration valued for larger jurisdictions
- Professional Engineering (PE) license: required for many positions, particularly those with engineering design oversight
Experience:
- 10–15 years in public works, utilities, or civil engineering with at least 4–5 years in a management role
- Capital project management experience: leading infrastructure projects from scoping through construction closeout
- Budget preparation and oversight experience with operating and capital accounts
- Regulatory compliance experience: NPDES, MS4 stormwater, SDWA, or equivalent
Technical knowledge:
- Infrastructure asset management: condition assessment methodologies, PAVEMENT (PCI), CCTV pipe inspection, facility condition assessments
- Federal grant compliance: Davis-Bacon Act, Buy America/Buy American provisions, NEPA environmental review
- GIS-based asset management systems (Esri, CityWorks, Cartegraph)
- Contractor management: contract administration, change order review, performance monitoring
- Construction materials and methods for roads, utilities, and municipal facilities
Certifications:
- PE license in civil or environmental engineering (required or preferred)
- APWA Public Works Leadership credentials are recognized
- Emergency management NIMS ICS-300 and 400 certifications for disaster response coordination
Soft skills:
- Ability to explain infrastructure trade-offs to non-technical elected officials and residents
- Consensus-building across departments that share infrastructure responsibilities (planning, building, fire)
- Performance under pressure during infrastructure emergencies
Career outlook
Public works management is experiencing a genuine shortage of qualified professionals at the senior administrative level. The combination of engineering degree requirements, management experience needs, and PE licensure creates a narrow candidate pool, and retirements are outpacing the pipeline of mid-career professionals ready to step into assistant director and director roles.
Federal infrastructure investment has amplified this shortage. The Infrastructure Investment and Jobs Act created a significant increase in available project funding, but many jurisdictions lack the staff capacity to manage the expanded project pipeline. Public works departments that are well-positioned to absorb federal grants are actively recruiting people who can manage large capital programs.
Climate-driven infrastructure investment is a major growth driver. Aging stormwater systems, sea-level rise adaptation projects, urban heat island mitigation, and wildfire resilience infrastructure are all generating capital project demand in jurisdictions across the country. These projects require the same skills as traditional public works management but with additional technical knowledge in climate adaptation and resilience planning.
Compensation has improved relative to comparable private-sector positions. The gap between consulting firm pay and local government pay at the senior project manager and department management level has narrowed, partly because jurisdictions facing staff recruitment challenges have had to adjust salary bands to compete. Defined-benefit pensions remain a significant offset to the remaining base salary gap.
Career advancement from this role typically leads to Public Works Director, City Engineer, or City Manager in engineering-background management tracks. Some transition to county-level infrastructure positions or state DOT administrative roles. The skills are highly transferable — every jurisdiction that has streets and water systems needs this function.
Sample cover letter
Dear Hiring Manager,
I am applying for the Assistant Director of Public Works position at [City]. I have spent fourteen years in municipal public works, the last five as Infrastructure Division Manager for [City], where I manage the street maintenance program, stormwater operations, and the right-of-way inspection function with a staff of 38 and an operating budget of $7.4 million.
In my current role I manage the department's annual pavement management program — roughly $4.2 million per year in capital and operating resurfacing and repair — and coordinate the engineering consultants who conduct the biennial pavement condition assessment. I also administer the city's MS4 stormwater permit and prepare the annual report to the state environmental agency. We have not received a notice of violation in the five years I have held responsibility for that program.
The project I am most proud of is a $12.8 million stormwater detention basin project I managed from design through construction closeout last year. It was the largest capital project the infrastructure division had managed in a decade, and the construction phase involved coordinating with three state permits, two federal funding sources (one with Davis-Bacon requirements), an active adjacent school, and a county road that required a partial closure. The project came in $380,000 under the engineer's estimate and closed on schedule.
I hold a PE license in civil engineering and am currently working toward my master's in public administration through an evening program.
I am interested in [City]'s position specifically because of the utility operations scope — expanding my experience from road and stormwater to water/wastewater would position me well for a director role. I would welcome the chance to discuss the opportunity further.
[Your Name]
Frequently asked questions
- Is a Professional Engineering (PE) license required for this role?
- Many jurisdictions list PE as required or preferred, particularly for positions that oversee design engineering functions or sign off on engineering plans. Some jurisdictions will accept equivalent experience without licensure for candidates who will have licensed engineers working under them. For roles that involve direct engineering oversight of public safety infrastructure — dams, bridges, water treatment — PE is typically required.
- What does the capital improvement program actually involve day-to-day?
- The CIP is the multi-year schedule of infrastructure projects — road resurfacing, sewer replacement, bridge repairs, facility renovations. Day-to-day, the Assistant Director coordinates between engineering design staff, construction managers, consultants, and the city budget office to keep individual projects on scope, schedule, and budget. They also manage the political aspects: communicating construction impacts to affected neighborhoods and responding to council members' questions about project status.
- How much of this job is engineering versus administration?
- At the assistant director level, it is predominantly administrative: budget management, personnel supervision, policy development, and stakeholder communication. Engineering judgment is still needed to evaluate options and oversee technical work, but the day-to-day is more management than design. Candidates who want to stay primarily technical are usually better suited to principal engineer or city engineer roles.
- How are federal infrastructure funds affecting this role?
- The Infrastructure Investment and Jobs Act (IIJA) created a substantial increase in federal funding availability for roads, bridges, water systems, and broadband. Assistant Directors in prepared jurisdictions have been managing grant applications, federal compliance requirements, and expanded project pipelines that these funds created. The administrative overhead of federal grants — Davis-Bacon labor compliance, Buy America requirements, quarterly reporting — has added real workload.
- What is the difference between a City Engineer and an Assistant Director of Public Works?
- A City Engineer typically leads the engineering division — design, standards, plan review, and technical oversight of construction projects. An Assistant Director of Public Works has broader administrative authority over operations, maintenance, budget, and personnel across the whole department. In some jurisdictions the roles are combined; in others they are separate positions with distinct accountabilities.
More in Public Sector
See all Public Sector jobs →- Assistant Director of Public Safety$95K–$155K
Assistant Directors of Public Safety manage operational coordination across law enforcement, fire, and emergency management functions within a city or county public safety department. They support the Director in policy development, budget oversight, interagency coordination, and strategic planning. The role exists primarily in jurisdictions that have consolidated police and fire under a unified Public Safety Department, and in some cases also encompasses emergency communications (dispatch) and emergency management.
- Assistant Director of Purchasing$80K–$125K
Assistant Directors of Purchasing manage the procurement operations of a government agency — overseeing solicitation processes, contract administration, vendor qualification, and compliance with public purchasing laws. They supervise procurement officers, advise departments on acquisition strategy, and ensure that every dollar spent through a contract follows the bidding procedures that protect taxpayers and the agency from legal challenge.
- Assistant Director of Parks and Recreation$75K–$120K
Assistant Directors of Parks and Recreation manage the operational and programmatic functions of municipal or county park systems, typically overseeing recreation programming, facility maintenance, sports leagues, aquatics, and community events. They supervise department managers, administer program budgets, and step in for the Director at community meetings, budget hearings, and elected-body presentations. The role sits at the intersection of operations management, public service delivery, and community relations.
- Assistant Director of Transportation.$90K–$145K
Assistant Directors of Transportation manage the planning, operations, and capital improvement programs of a city, county, or regional transportation agency. They oversee traffic engineering, street maintenance, transit coordination, active transportation programs, and grant management for surface transportation funds. The role operates at the boundary between day-to-day operations management and long-range planning, requiring both engineering judgment and administrative capability.
- Criminal Investigator (DEA)$75K–$145K
DEA Special Agents are federal criminal investigators who enforce the Controlled Substances Act and related federal drug laws. They conduct domestic and international investigations targeting drug trafficking organizations, build Title III wiretap cases, seize drug proceeds, dismantle distribution networks, and work alongside foreign counterparts to disrupt the supply chains that feed the U.S. drug market.
- Landscape Architect (National Forest Service)$62K–$108K
Landscape Architects with the National Forest Service plan, design, and evaluate land use proposals across National Forest System lands — timber sales, recreation facilities, roads, trails, and utility corridors — ensuring projects meet visual quality objectives, ecosystem integrity standards, and National Environmental Policy Act requirements. They serve as interdisciplinary team members on forest management projects, translating environmental analysis into design solutions that balance public use, resource protection, and legal compliance.