Project Administrative Assistant – Water Program Management

InterAgency Inc.

. Provide daily administrative support to program leadership and project teams .

Posted 10/27/2026full-timeUnited StatesMid-LevelSenior💰 $60,000 - $80,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong administrative and coordination capabilities, with proficiency in Microsoft Word and Excel for document preparation and data management. Exhibits excellent communication skills and attention to detail while managing multiple tasks in a professional services or public agency environment.

Highest-signal resume keywords

Administrative SupportCalendar ManagementMicrosoft Word ProficiencyMicrosoft Excel ProficiencyCustomer Service Skills

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Document FormattingData EntrySortingFilteringBasic FormulasMeeting Notes AccuracyAttention to DetailRoutine Report PreparationProject Support ExperienceMultidisciplinary Team Collaboration

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationProfessional Client ServicePrioritizationDiscretion

Tools & Technologies

Microsoft OutlookMicrosoft TeamsSharePointElectronic Document Management SystemsVirtual Meeting Setup

Industry Keywords

Professional ServicesEngineeringConstructionInfrastructureUtilityPublic AgencyWater OrganizationWastewater Organization

About the role

Key responsibilities & impact

Provide daily administrative support to program leadership and project teams
Maintain calendars, contact lists, and routine status trackers
Schedule meetings, reserve conference rooms, prepare agendas and materials, and assist with virtual meeting setup
Document decisions, action owners, and due dates
Distribute reviewed minutes, follow up on requests, and flag unresolved items
Coordinate hoteling and shared workspace arrangements
Maintain workspace readiness and route routine office or technology requests
Coordinate lunch and lean events, training sessions, and team meetings, including scheduling, attendance tracking, materials, catering, and room or virtual meeting setup within approved budgets and procedures
Prepare, proofread, and format correspondence and routine reports in Word and Excel
Compile team updates and check information for accuracy
Respond professionally to requests, communicate status, handle sensitive information discreetly, and escalate concerns
Anticipate routine needs, recommend practical administrative improvements, and perform related program support duties as assigned

Requirements

What you’ll need

Associate or bachelor’s degree in business administration, communications, or a related field, or equivalent relevant experience
Demonstrated administrative, coordination, customer service, or comparable transferable skills
Proficiency in Word and Excel, including document formatting, data entry, sorting, filtering, and basic formulas
Ability to manage calendars and invitations in Outlook or comparable tools
Strong written and verbal communication
Accurate meeting notes and attention to detail
Professional client service skills
Ability to prioritize assignments, meet deadlines, maintain accurate records, exercise discretion, and follow tasks through to completion
Ability to work independently on routine assignments, ask timely questions, collaborate with a multidisciplinary team, and meet the stated onsite schedule
Applicants must be legally authorized to work in the United States
Minimum 5 years of administrative or project support experience in a professional services, engineering, construction, infrastructure, utility, or public agency environment (preferred)
Prior experience supporting DC Water, HDR, or another water or wastewater organization (preferred)
Experience with Microsoft Teams, SharePoint, shared workspace reservations, or electronic document management systems (preferred)

Benefits

Comp & perks

Medical, dental, and vision coverage
Life and disability insurance
401(k) retirement plan with a Safe Harbor employer match
Up to 20 days of paid time off annually, prorated during your first year
Paid holidays and paid leave benefits
Flexible spending accounts
Eligibility for bonuses and profit sharing
Friday remote work, subject to client requirements