Come work with us, you’ll
it.
Ready to soar? Join us and see how you can help philanthropists make a difference.
Ready to soar? Join us and see how you can help philanthropists make a difference.
Our promise is backed by more than intent—it is reflected in the way Foundation Source consistently delivers for the philanthropic ecosystem.

We believe philanthropy has the power and possibility to make the world a better place.

We grow through innovation and transformation, acquiring and building capabilities to be the partner of choice for philanthropic solutions.

We offer purpose-built technology and best-in-class advisory and client support to enable more people to give and more nonprofits to receive.
We demonstrate our commitment to Impact, Growth and Expertise through a shared approach rooted in core behaviors. We put clients at the center of everything we do—building deep, lasting relationships by understanding what donors, nonprofits, advisors, and enterprises value. We collaborate intentionally, combining our diverse talents and perspectives to design the best solution for every client and every opportunity. We stay adaptable, willing to challenge convention and evolve our methods to achieve stronger results. And we hold ourselves accountable for every action we take, striving for excellence in all we do.
We partner with people and organizations to make a meaningful difference in the world through philanthropy. Our industry-leading technology combined with unparalleled expertise ensures we are the trusted source for donors, nonprofits and advisors.


At Foundation Source, we believe in creating a work environment where everyone feels respected, heard, valued and supported. Our CEO, Joe Mrak, has taken the CEO Action Pledge, making Foundation Source one of more than 2,500 companies across 85+ industries that are committed to creating an inclusive workplace. And our voluntary, employee-led resource groups provide a space to connect, discuss and advocate as we build a sense of community and belonging.
Medical, Dental and Vision Insurance
HSA with Monthly Employer Contribution
401k with Company Match
Flexible PTO
Generous Paid Holidays
Remote and Hybrid Work Options
Philanthropic Giving Match
Continuing Education Reimbursement

Position Overview
The Director, Tax leads the Tax Managers, and potentially Tax Associates and Tax Senior Associates, and their teams and is accountable for the quality and timeliness of the private-foundation tax returns those teams produce. Serving as coordinator for a set of complex clients, the Director reviews the most complex returns, provides formal training on complex topics, partners with the Legal Department on tax policy, and owns interdepartmental initiatives and new-process development. This leader develops Managers, ensures tax-season readiness, and continuously improves how the team works.
Key Responsibilities
Preparation, Review & Quality Assurance (40%)
Leadership & Talent Development (30%)
Client & Cross-functional Leadership (20%)
Process & Department Initiatives (20%)
Other duties as assigned. This job description does not create an employment contract, implied or otherwise, other than an “at will” relationship.
Desired Knowledge, Skills & Abilities
Job Requirements for Remote Work Environment
Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.
An Equal Opportunity Employer
We do not discriminate based on race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants are given equal opportunity and that selection decisions be based on job-related factors.
Requirements
We are seeking a detail-oriented, organized professional to join our Marketing Services team in a temporary (4 months), non-client-facing support role. This position provides critical operational support to client-facing staff, helping ensure projects run smoothly and accurately across design, digital, and analytics functions. The ideal candidate is highly adaptable, comfortable managing multiple priorities, and able to step in as backup design support when needed.
Key Responsibilities:
Client Project Support (50%)
Quality Control (25%)
Analytics Support (15%)
Records Management (10%)
Other Duties:
This job description reflects the general nature and level of work expected of this position and is not intended to be an exhaustive list of all duties, responsibilities, and skills required. Duties may be added, changed, or reassigned at any time, with or without notice, and all hours worked — including time spent on additional duties — remain subject to this position's non-exempt, overtime-eligible status.
This job description does not create an employment contract, implied or otherwise, other than an “at will” relationship.
Requirements
Desired Knowledge, Skills & Abilities:
Job Requirements for Hybrid Work Environment:
Physical Demands:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.
An Equal Opportunity Employer:
We do not discriminate based on race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants are given equal opportunity and that selection decisions be based on job-related factors.
Position Overview:
Foundation Source is looking for a commercially-minded leader to own our most strategic client relationships and drive the growth trajectory of our enterprise book. The SVP, Enterprise Account Executive sets the strategy — and owns the results — for our largest, most complex relationships across our full suite of philanthropic solutions: Donor Advised Funds, private foundations, planned giving, and philanthropic advisory services.
This is a high-visibility, high-autonomy leadership role for someone who wants a seat at the table with C-Suite decision makers, not a seat waiting for direction. You'll be given the mandate to identify where the growth is, build the plan to capture it, and drive it home — with the latitude to make the calls that matter.
We're looking for a competitive, strategic operator who thinks in terms of outcomes, not tasks. Someone who reads a room of senior executives and knows exactly how to move the conversation forward. Someone who sees the whole board, not just the next square. If you're energized by ownership, driven by winning, and comfortable operating several levels above the day-to-day, this role is built for you.
Key Responsibilities:
Drive Retention & Executive Relationships — 20%
Drive Growth — 20%
Lead Onboarding & Implementation — 20%
Own the Account End-to-End — 20%
Collaboration — 20%
Other Duties:
This job description reflects the general nature and level of work expected of this position and is not intended to be an exhaustive list of all duties, responsibilities, and skills required. Employees in this exempt position are expected to perform other duties as assigned, consistent with the primary responsibilities, exempt status, and general scope of the role. The company reserves the right to add, modify, or reassign duties at its discretion, with or without notice.
This job description does not create an employment contract, implied or otherwise, other than an “at will” relationship.
Requirements
Job Requirements for Remote Work Environment:
Physical Demands:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.
An Equal Opportunity Employer:
We do not discriminate based on race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants are given equal opportunity and that selection decisions be based on job-related factors.
Position Overview:
This role is built for someone who wants ownership. You'll be given a territory and the autonomy to run it — identifying and closing large-scale enterprise deals, building relationships with senior decision-makers, and growing our existing client base. It's a role with real accountability and real upside for the people who like both.
What Success Looks Like:
Key Responsibilities:
Business Development (80%)
Account Development (15%)
Sales Planning and Operations (5%)
Other Duties: This job description reflects the general nature and level of work expected of this position and is not intended to be an exhaustive list of all duties, responsibilities, and skills required. Employees in this exempt position are expected to perform other duties as assigned, consistent with the primary responsibilities, exempt status, and general scope of the role. The company reserves the right to add, modify, or reassign duties at its discretion, with or without notice.
Requirements
Desired Knowledge, Skills & Abilities:
Travel Required:
Job Requirements for Hybrid or Remote Work Environment:
Physical Demands:
An Equal Opportunity Employer:
The purpose of this position is to serve as the Account Executive, Third Party Distribution for the Philanthropic Services and Technology team. This includes building relationships with financial advisors and RIAs, banks and broker-dealers, and nonprofits and foundations; bringing our Donor Advised Fund, private foundation, and philanthropic advisory capabilities to market; and supporting existing clients while growing a book of business alongside senior sales leadership. An ideal candidate for this role is motivated, growth-oriented, and intellectually curious about how structured charitable giving intersects with wealth management, estate planning, and mission-driven work.
Key Responsibilities:
Business Development & Sales (50%)
Relationship Management (20%)
Education & Market Development (20%)
Collaboration & Reporting (10%)
Other Duties
This job description reflects the general nature and level of work expected of this position and is not intended to be an exhaustive list of all duties, responsibilities, and skills required. Employees in this exempt position are expected to perform other duties as assigned, consistent with the primary responsibilities, exempt status, and general scope of the role. The company reserves the right to add, modify, or reassign duties at its discretion, with or without notice.
Requirements
Desired Knowledge, Skills & Abilities:
Required
Preferred
Job Requirements for Remote Work Environment:
Physical Demands:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.
An Equal Opportunity Employer:
We do not discriminate based on race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants are given equal opportunity and that selection decisions be based on job-related factors.
Position Overview:
The Client Accounts Payable Coordinator plays a critical role within Client Operations, serving as a precise and reliable steward of the financial transactions that keep our client foundations running smoothly. This is a role built for someone who takes accuracy seriously, thrives in a structured environment with clear processes, and finds genuine satisfaction in getting the details exactly right — every time.
The ideal candidate brings administrative and foundational payable or accounting experience, paired with an exceptional eye for detail and the discipline to manage high transaction volumes without sacrificing quality. You communicate with clarity and professionalism, take ownership of your work, and are motivated by the mastery of your craft rather than the spotlight.
Key Responsibilities:
Transaction Processing (80%)
Client Communications & Research (20%)
Requirements
Desired Knowledge, Skills & Abilities:
Job Requirements for In-Office Work Environment:
Work Commitment: Must be able to reliably commute to the Fairfield office 5 days per week and meet in-person collaboration requirements as needed.
Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.
An Equal Opportunity Employer
We do not discriminate based on race, color, religion, national origin, sex, age, disability, genetic information, or any other status protected by law or regulation. It is our intention that all qualified applicants are given equal opportunity and that selection decisions be based on job-related factors.