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

The Grants Assistant plays an essential role on the Grants Management team, supporting the end-to-end grant lifecycle for client foundations with precision, consistency, and care. This is a role built for someone who takes genuine pride in doing things right — someone who finds satisfaction in well-executed processes, accurate data, and reliable follow-through that the whole team can count on.
The ideal candidate is dependable, thorough, and collaborative — someone who thrives in a structured environment with clear expectations, brings a calm and steady presence to their work, and is motivated by contributing meaningfully to a team and the clients it serves. This position supports a minimum of two clients, with additional support across the broader PFS portfolio and select operations activities as business needs arise. A genuine interest in the nonprofit and philanthropic sector is strongly preferred. As a critical member of the PFS team, attendance in the PFS office is an essential function of this job.
Key Responsibilities:
Grantmaking Operations Support (40%)
Client Service & Grantseeker Support (35%)
Team Collaboration & Operations Support (30%)
Requirements
Job Requirements for Hybrid Work Environment:
Dedicated Workspace: Must have a home office or workspace that is free of distractions and interruptions to ensure productivity and focus during work hours.
Reliable Internet Connection: High-speed internet is required to support video conferencing, file sharing, and other work-related technology needs.
Hybrid Work Commitment: Must be able to reliably commute to the office 2 days per week (including Tuesday) 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.
The Grant Coordinator is responsible for the daily and recurring processing of grants — both internal and client-facing — as well as one-time and cyclical projects. This is a detail-driven, process-oriented role requiring careful attention to accuracy, compliance, and documentation. While primarily operational and internally focused, the Grant Coordinator may correspond with high-net-worth clients via email. The person in this role works closely with the Operations, Tax & Legal, and Client Services teams, applying rigor, consistency, and sound judgment to every task.
Key Responsibilities:
Grant Processing (90%)
Additional Duties/Ad Hoc Projects (10%)
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.
As a Private Client Advisor at Foundation Source, you are a trusted point of contact for private foundations and their advisors—bringing a steady, detail-oriented approach to relationship and account management. This role is ideal for professionals who thrive in structured environments, enjoy problem-solving through deep expertise, and value meaningful, long-term client relationships. You serve as a reliable guide and liaison, helping ensure that each foundation operates smoothly, compliantly, and with purpose.
Key Responsibilities & Percentages:
Client Relationship Stewardship (30%)
Operational Oversight & Coordination (30%)
Client Onboarding & Education (30%)
Professional Development & Process Improvement (10%)
Requirements
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.
Position Overview:
PFS offers private foundations the personalized, relationship-driven support of a boutique philanthropic services firm, backed by the administrative infrastructure and technology of the nation's largest provider of foundation support services. At the core of our work is a belief that strong philanthropy is both strategic and relational — and that the most meaningful results come from leaders who can see the big picture and build the relationships that bring it to life. Our senior team brings deep expertise across the full spectrum of foundation management and a genuine commitment to the organizations and communities our clients exist to serve. We value bold thinking, autonomy, and the kind of initiative that moves things forward — while fostering a collaborative culture where collective expertise elevates everyone's work.
The Program Officer serves as a key relationship manager across multiple client foundations, working closely with each foundation's board of directors and internal staff to shape and advance their grantmaking strategy. This is a role where your ideas carry weight, your relationships drive outcomes, and your work has a direct and visible impact on the causes that matter most. The Program Officer leads due diligence on applicant organizations and contributes to grantmaking planning, strategy, and evaluation across a range of funding areas. Approximately 50% of the role will focus on environmental grantmaking — including forest and watershed restoration, land preservation, regenerative agriculture, and environmental education — with the remaining 50% dedicated to non-environmental grantmaking specific to assigned client foundations.
Key Responsibilities:
Environmental Grantmaking & Watershed Stewardship (50%)
General Grant Portfolio Management & Due Diligence (35%)
Strategy, Partnership & External Representation (15%)
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:
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.