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  2. Maine
  3. Portland
  4. Administrative Assistant

Onsite Administrative Assistant jobs in Portland, Maine, USA

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  • Sun
    • 1:00 PM - 2:00 PM

      Senior Product Manager Interview

      Sarah Jenkins

    • 2:30 PM - 3:00 PM

      Initial Interview

      Alex Chen

  • Mon
    • 11:00 AM - 11:15 AM

      Product Manager Interview

      David G. (Hiring Manager)

    • 4:15 PM - 5:15 PM

      First Round Interview

      Sophie L.

  • Tue
    • 1:20 PM - 1:45 PM

      Introductory Interview

      Marta W.

    • 2:30 PM - 3:00 PM

      Kick-off Interview

      Daria (HR)

  • Wed
    • 1:00 PM - 1:45 PM

      Qualifying Interview

      James Miller

    • 5:30 PM - 6:00 PM

      Discovery Interview

      Chris V.

  • Thu
    • 2:30 PM - 3:00 PM

      First Interview

      Michael T.

    • 4:00 PM - 5:00 PM

      Interview

      Den

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Administrative Assistant Jobs in Portland — On-Site Roles with Great Growth

Portland's growing business community is actively expanding, offering 47 open positions for administrative assistant jobs in Portland. This on-site opportunity suits professionals eager to support daily operations within a collaborative office environment. As local companies continue to scale, demand for dependable office support remains strong across the region.

Top candidates for this role bring strong organizational skills, clear written and verbal communication, and comfort using scheduling tools and office software such as Microsoft Office or Google Workspace. Attention to detail, the ability to multitask, and a proactive approach to problem-solving help applicants stand out. Employers also value adaptability and a customer-focused mindset, since this position often serves as the first point of contact for clients and visitors.

On-site administrative assistant positions in Portland typically involve set office hours, direct supervisor interaction, and hands-on work with company systems and documentation. The local job market remains steady, as small businesses and growing enterprises alike seek dependable support staff to manage front-office tasks. This consistent demand reflects Portland's expanding commercial landscape and its ongoing need for capable office professionals.

If you're ready to take the next step in your career, explore the latest openings through Global Work AI, where employers are eager to hire an administrative assistant who brings energy, precision, and dedication to the workplace. Start your journey today and discover the opportunity that fits your skills.

Frequently Asked
Questions

Everything you need to know about
finding your next role
  • What is the average salary for an administrative assistant in Portland?

    In Portland, Maine, pay for an administrative assistant often falls near the middle of the state range, with many postings clustering around the mid-$40,000s to low-$50,000s annually, depending on industry, size of employer, and level of responsibility. Employers in healthcare, education, law, and local government may offer different pay bands, along with benefits that add real value. Experience, scheduling demands, and specialized duties can also move compensation up or down, so it helps to compare current listings and look at similar office support roles in the Portland area.
  • What skills and qualifications are needed for an administrative assistant job?

    Strong organization, clear communication, and dependable follow-through are the core abilities employers expect for an administrative assistant role in Portland, Maine. Most openings look for a high school diploma or equivalent, with some preferring postsecondary coursework or prior office support experience. You may also need good time management, discretion with confidential information, and comfort handling calls, scheduling, and records. In a busy on-site setting, attention to detail matters as much as a calm, professional manner, so reviewing local job descriptions can help you match the most requested strengths.
  • What does an administrative assistant do day to day?

    The day usually centers on keeping an office running smoothly, from answering phones and greeting visitors to managing calendars, preparing documents, and organizing files. An administrative assistant in Portland may also schedule meetings, process mail, enter data, coordinate travel, and support managers with routine projects. Some roles include light bookkeeping, ordering supplies, or helping with event logistics. The exact mix depends on the employer, but the work is generally hands-on and varied, so comparing listings can show which daily tasks are most common in the local market.
  • Is prior office or customer service experience required for an administrative assistant role?

    Not always. Many employers in Portland, Maine, will consider candidates with transferable experience from reception, retail, hospitality, or customer service, especially if they show strong people skills and basic computer confidence. Prior office work can be helpful, but it is not a universal requirement for every administrative assistant opening. Entry-level roles may focus more on reliability, professionalism, and the ability to learn systems quickly. If you are changing fields, reviewing job postings closely can reveal which employers are open to training and which want more direct background.
  • What software and office tools should an administrative assistant know?

    Most employers expect comfort with Microsoft Office or Microsoft 365, especially Word, Excel, Outlook, and PowerPoint. In Portland offices, an administrative assistant may also use Google Workspace, scheduling platforms, email systems, videoconference tools, and document-sharing apps. Depending on the workplace, you might work with CRM software, databases, or basic accounting programs as well. Familiarity with printers, scanners, phone systems, and digital filing tools is also useful. Because software preferences vary by employer, checking current local listings can show which tools are most in demand.
  • What are the working hours and on-site expectations for an administrative assistant in Portland?

    Most on-site schedules follow standard business hours, often Monday through Friday, though some employers need earlier starts, later coverage, or occasional overtime during busy periods. In Portland, Maine, an administrative assistant is typically expected to be present in the office for front-desk support, coordination, and in-person communication, since many duties depend on being available to staff and visitors. Some organizations may offer limited flexibility, but fully on-site work remains common for this kind of role. It is worth comparing listings to see how each employer defines daily attendance and scheduling.
  • What career growth opportunities are available for an administrative assistant?

    This role can lead to broader office and operations paths, especially in Portland, Maine, where employers often value reliable internal staff. With experience, an administrative assistant may move into executive assistant, office manager, HR support, project coordination, or departmental operations roles. Building skills in scheduling, reporting, systems, and communication can open doors to higher responsibility and stronger pay. Some workers also use the position as a stepping stone into healthcare administration, legal support, or finance offices. Looking at related openings can help you see which next-step jobs align with your strengths.

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47 jobs found

  • McFarland Johnson

    McFarland Johnson

    Today

    Assistant engineer - bridge

    At McFarland Johnson (MJ), you'll own your future. We're a 100% employee-owned firm with 80 years of experience delivering innovative engineering, planning, environmental, technology and construction...

    onsite, Concord, NH, United States
    Full TimeJunior (<2 years)
  • Planet Fitness - Portland ME Group

    Planet Fitness - Portland ME Group

    Today

    Assistant manager

    Benefits: Health insurance Paid time off Training & development Competitive salary Employee discounts Are you a leader who is interested in fitness and wellness? Join our team at Planet Fitness! Help...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • ALDI

    ALDI

    a day ago

    Full-time assistant store manager

    When you join our team as an Assistant Store Manager, you’ll take on key store management responsibilities including assisting with supervising day-to-day store activities, ensuring overall store...

    onsite, Portland, ME, United States
    $53k – $55k/yrFull TimeLead / Manager
  • University of New England Career

    University of New England Career

    4 days ago

    Assistant/associate teaching professor, biomedical sciences

    Responsibilities Facilitate small groups, provide teaching and perform student assessments in the Osteopathic Clinical Skills course and other areas as assigned; provide teaching for students at...

    onsite, Portland, ME, United States
    $95k – $130k/yrFull TimeMiddle (2-4 years)
  • Haffner's

    Haffner's

    5 days ago

    Convenience store assistant manager- portland

    Job Overview Haffner’s is seeking an Assistant Store Manager to provide customers with a satisfying shopping experience. Our Assistant Store Manager assists the Store Manager in implementing the...

    onsite, Portland, ME, United States
    $34k – $46k/yrFull TimeNo Skills
  • Albertsons Companies

    Albertsons Companies

    5 days ago

    Assistant drive up and go supervisor

    Why choose us? Are you ready to take the next step in your leadership career? Join us for an exciting opportunity as a Home Shopping Department Manager, where digital fulfillment, customer service,...

    onsite, Portland, ME, United States
    Full TimeJunior (<2 years)
  • Town & Country Federal Credit Union

    Town & Country Federal Credit Union

    5 days ago

    Assistant branch manager

    Assistant Branch Manager We are looking for a highly motivated individual interested in joining one of the most innovative Maine-based financial institutions. You will have the chance to empower...

    onsite, Portland, OR, United States
    $64k – $67k/yrFull TimeLead / Manager
  • Haley & Aldrich, Inc.

    Haley & Aldrich, Inc.

    6 days ago

    Staff administrative assistant 2

    Find your path and enjoy the journey at Haley & Aldrich. With us, you’ll tackle clients’ most meaningful challenges in the built and natural environments – and, in turn, build stronger communities....

    onsite, Portland, ME, United States
    $60k – $70k/yrFull TimeMiddle (2-4 years)
  • RAYUS Radiology

    RAYUS Radiology

    6 days ago

    Front office associate

    RAYUS now offers DailyPay! Work today, get paid today! RAYUS Radiology is looking for a Front Office Associate to join our team. We are challenging the status quo by shining light on radiology and...

    onsite, Portland, ME, United States
    $36k – $46k/yrPart TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Medical assistant or clinical team assistant - nephrology

    Medical Group Practices Nursing/Clinical Support Req #: 96077 Join a friendly, specialty nephrology practice with exceptional interdisciplinary teamwork, supporting a team of 19 providers. This is a...

    onsite, Portland, ME, United States
    $43k – $55k/yrFull TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Medical assistant or clinical team assistant - primary care family med, portland

    Medical Group Practices Nursing/Clinical Support Req #: 96959 Position Summary: Medical Assistant The Medical Assistant (MA) role is assigned duties and responsibilities related to patient care and...

    onsite, Portland, ME, United States
    $43k – $55k/yrFull TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Medical assistant or clinical team assistant - obstetrics & gynecology

    Medical Group Practices Nursing/Clinical Support Req #: 87227 For a limited time MaineHealth is offering sign on bonuses for Medical Assistants: 0-1 years of experience eligible for $4,000 (full...

    onsite, Portland, ME, United States
    $43k – $55k/yrFull TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Patient service representative-obstetrics and gynecology

    Patient Service Representative - Obstetrics and Gynecology Medical Group Practices Clerical/Administrative Support Req #: 96861 Summary: The Patient Service Representative (PSR) role will greet...

    onsite, Portland, ME, United States
    $40k – $48k/yrPart TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Medical laboratory assistant i

    NorDx Laboratory Support Req #: 8424 Summary The Medical Laboratory Assistant I role represents the organization in all patient settings serving as a liaison and performs key pre-analytical...

    onsite, Portland, ME, United States
    Full TimeJunior (<2 years)
  • MaineHealth

    MaineHealth

    6 days ago

    Medical assistant or clinical team assistant - pediatric specialty care

    Medical Group Practices Nursing/Clinical Support Req #: 87730 For a limited time MaineHealth is offering sign on bonuses for Medical Assistants: 0-1 years of experience eligible for $4,000 (full...

    onsite, Portland, ME, United States
    $43k – $55k/yrFull TimeJunior (<2 years)
  • Albertsons Companies

    Albertsons Companies

    8 days ago

    Assistant grocery manager

    Why choose us? Are you ready to take the next step in your leadership career? Join us for an exciting opportunity as an Assistant Grocery Department Manager, where operational excellence,...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • InterMed, P.A.

    InterMed, P.A.

    8 days ago

    Medical assistant procedure suite

    SUMMARY: The Medical Assistant (MA) is responsible for assisting with comprehensive care management in outpatient settings, including both primary and specialty care, under the delegation of a...

    onsite, Portland, ME, United States
    Full TimeEntry with Degree
  • Preferred Therapy Solutions

    Preferred Therapy Solutions

    9 days ago

    Physical therapy assistant (pta) - full - time

    Overview A full-time Physical Therapy Assistant, (PTA), position is available in our sub-acute/skilled nursing rehab department located in Portland, ME. You may have already heard that Preferred...

    onsite, Portland, ME, United States
    $56k – $65k/yrFull TimeJunior (<2 years)
  • IU Health

    IU Health

    9 days ago

    Phlebotomist lab assistant i

    Indiana University Health is Indiana’s most comprehensive health system, with 16 hospitals and more than 34,000 team members serving Hoosiers across the state. We’re looking for team members who are...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • KMAC Enterprises

    KMAC Enterprises

    12 days ago

    Assistant general manager

    “You are applying for work with a franchisee of Taco Bell, not Taco Bell Corp. or any of its affiliates. If hired, the franchisee will be your only employer. Franchisees are independent business...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • T

    The Maine Divorce Group

    12 days ago

    Legal assistant

    If you’re someone who likes keeping things organized, follows through on the details, and can juggle multiple priorities without losing track of what matters, you may be a great fit for our team....

    onsite, Portland, ME, United States
    $44k – $52k/yrFull TimeJunior (<2 years)
  • Ricoh

    Ricoh

    12 days ago

    Legal sr on-site svcs spec | 26727

    Summary Manager Job Description: Pay Rate: $19.00 Driving Required: NO Dress Code: Business casual COVID requirements: None Duties for this position include processing incoming and outgoing mail,...

    onsite, Portland, ME, United States
    $38k/yrFull TimeSenior (5+ years)
  • T

    Taco Bell (KMAC Enterprises)

    12 days ago

    Assistant general manager

    “You are applying for work with a franchisee of Taco Bell, not Taco Bell Corp. or any of its affiliates. If hired, the franchisee will be your only employer. Franchisees are independent business...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • University of Maine System

    University of Maine System

    13 days ago

    Director of academic administration and student services

    Are you an organized, collaborative leader who enjoys helping academic programs and students thrive? Do you excel at navigating complex processes, building strong relationships, and finding...

    onsite, Portland, ME, United States
    $58k/yrFull TimeDirector
  • Martin’s Point Health Care

    Martin’s Point Health Care

    13 days ago

    Care team patient services representative - 34 hours

    Join Martin's Point Health Care - an innovative, not-for-profit health care organization offering care and coverage to the people of Maine and beyond. As a joined force of "people caring for people,"...

    onsite, Portland, ME, United States
    $40k – $48k/yrFull TimeMiddle (2-4 years)
  • ConvenientMD

    ConvenientMD

    14 days ago

    Medical receptionist

    At ConvenientMD, we’re on a mission to make good health more convenient for all – working to improve how patients and providers experience healthcare in New England. To support this belief, we’re...

    onsite, Portland, ME, United States
    Part TimeEntry with Degree
  • Hanger, Inc.

    Hanger, Inc.

    14 days ago

    Patient access coordinator

    Why Us? With a mantra of Empowering Human Potential, Hanger, Inc. is the world's premier provider of orthotic and prosthetic (O&P) services and products, offering the most advanced O&P solutions,...

    onsite, Portland, ME, United States
    Full TimeJunior (<2 years)
  • CATHOLIC CHARITIES MAINE

    CATHOLIC CHARITIES MAINE

    14 days ago

    Administrative scheduling coordinator

    Job Details: Job Location: Portland - Cumberland Ave - Portland, ME Position Type: Full Time Salary Range: $23.00 - $26.00 Hourly Travel Percentage: None Job Shift: Day Catholic Charities Maine in...

    onsite, Portland, ME, United States
    $46k – $52k/yrFull TimeMiddle (2-4 years)
  • IVI America

    IVI America

    15 days ago

    Embryology lab admin coordinator - portland, me

    Job Title: Embryology Lab Admin Coordinator Location: Portland, ME (on-site) Schedule: Monday - Friday 7:00 AM - 11:00 AM Job Description With more than 150,000 babies born since 1986, Everleap...

    onsite, Portland, ME, United States
    Part TimeMiddle (2-4 years)
  • Flynn Group

    Flynn Group

    16 days ago

    Assistant manager

    Flynn Group, founded by Greg Flynn started its journey with the acquisition of 8 Applebee’s in 1999. Over the next two decades we grew by building new stores and acquiring other franchise operators...

    onsite, Portland, ME, United States
    $37k – $51k/yrFull TimeJunior (<2 years)
  • Carrols Corporation

    Carrols Corporation

    19 days ago

    Assistant manager

    Burger King® Assistant Manager Bring the flavor. Bring the fire. Grow the team. Welcome to the Flame-Grilled Life. At Burger King®, our Assistant Managers (AMs) play a critical role in driving...

    onsite, Portland, ME, United States
    Full TimeJunior (<2 years)
  • Bright Horizons

    Bright Horizons

    21 days ago

    Assistant director

    Step into a leadership opportunity with Bright Horizons as a Child Care Assistant Director, where your work supports a strong, welcoming, and well-run early childhood center. Partnering closely with...

    onsite, Portland, ME, United States
    $59k – $74k/yrFull TimeJunior (<2 years)
  • A

    Aging Kingdom Homecare

    22 days ago

    Office administrator

    Benefits: Referral Program Mileage Reimbursement 401(k) 401(k) matching Bonus based on performance Competitive salary Flexible schedule Opportunity for advancement Paid time off Training &...

    onsite, Portland, ME, United States
    Full TimeEntry with Degree
  • M

    MAINE COLLEGE OF ART & DESIGN

    24 days ago

    Assistant director for residential education

    Position Description: Assistant Director for Residential Education - Operations Department: Student Life Reports to: Dean of Student Life Date: October 2026 FLSA: Exempt Status: Full-Time Months: 12...

    onsite, Portland, ME, United States
    $53k/yrFull TimeJunior (<2 years)
  • Bayside Comprehensive Treatment Center

    Bayside Comprehensive Treatment Center

    24 days ago

    Administrative assistant

    Overview Seeking: Front Desk Receptionist Full Time Hours: Monday - Wednesday, 5:30 AM - 1:30 PM Our Benefits: Semi-Annual Bonus Program Medical, Dental, and Vision insurance Competitive 401(k) plan...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • M

    MAINE COLLEGE OF ART & DESIGN

    24 days ago

    Assistant director of facilities

    Position Description: Assistant Director of Facilities Department: Facilities Reports to: Director of Facilities Date: October 1, 2026 FLSA: Exempt Status: Full-time Months: 12 months Basic Function:...

    onsite, Portland, ME, United States
    Full TimeLead / Manager
  • Sinclair Broadcast Group

    Sinclair Broadcast Group

    a month ago

    Sales and marketing assistant

    This Job Description May Cause Extreme Excitement and Career Growth At AMP Sales & Marketing Solutions, we believe a great workplace isn't just something we say — it's something you can feel when you...

    onsite, Portland, ME, United States
    $40k – $42k/yrFull TimeNo Skills
  • Dollar General

    Dollar General

    a month ago

    Asst store mgr - 21 and older only - in portland me s25238

    Job Details General Summary: The Assistant Store Manager helps maintain a clean, well-organized store with a customer-first focus. At the direction and delegation of the Store Manager, the Assistant...

    onsite, Portland, ME, United States
    Full TimeNo Skills
  • Dollar Tree

    Dollar Tree

    a month ago

    Assistant manager i

    We’re seeking an Assistant Store Manager to join our team to help with store operations, customer service and team development. Duties include, but are not limited to, the following: Assist with...

    onsite, Portland, ME, United States
    $38k – $39k/yrPart TimeNo Skills
  • Consigli Construction

    Consigli Construction

    a month ago

    Assistant project accountant

    Employment Type: Full-Time FSLA: Salary/Exempt Division: Finance Department: Project Accounting Reports to: Project Accounting Manager Supervisory Duties: No Salary Range: $69,000 - $74,000 As the...

    onsite, Portland, ME, United States
    $69k – $74k/yrFull TimeJunior (<2 years)

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