Job Description

SEIU Local 509

Internal Organizer
Private Sector Human Services Division

Based in Marlborough, MA

SEIU Local 509 is a progressive union organizing and representing over 28,000 human service workers and educators in Massachusetts. We are currently seeking to hire a new full time permanent Internal Organizer , with contract negotiation experience, to represent private sector human service workers. A successful applicant will join a team of 7 experienced negotiators. Position will remain open until filled. 

As of now, the turf assignments for this organizer will be concentrated in the South Shore and Cape area of Massachusetts. This job will require significant in-person time at agencies in that area.

Goals: Represent the lowest paid human service workers in Massachusetts. Build worker power to beat the bosses at the bargaining table to raise wages for workers and improve benefits. Organize workers so they are ready to strike when needed.

General Statement of Duties:

• Develop leaders and educate/train officers, steward and members
• Negotiate contracts
• Monitor and ensure contract compliance
• Attend Labor / Management meetings
• Support organizing of non-union human service workers
• Support building political power for human service workers
• Organize members to get participation in union actions and decisions
• Perform related work as required

Qualifications:

• Candidates should have previous experience organizing (union or worker organizing strongly preferred) and/or bargaining
• Strong commitment to the labor movement and workers
• Experience working in human services, or with human service workers preferred
• Excellent communication and interpersonal skills (listening, speaking, and writing)
• Ability to to work both independently and as part of a team, particularly with people from diverse backgrounds
• Ability to work under pressure, manage multiple priorities at the same time, be proactive and maintain flexibility, adaptability, and demonstrate a willingness to learn
• Must have strong attention to detail and excellent organizational skills
• Willingness to work long and irregular hours, including nights and weekends
• Possession of an insured, registered vehicle and a valid drivers' license are required

Supervision Received:
Works under the supervision of the Private Sector Coordinator, who reviews work for effectiveness, timeliness, accuracy and conformance with rules and regulations.

Supervision Exercised:
May supervise interns directly; may provide functional supervision for other employees or members on per diem.

Compensation and Benefits:
Effective 1/1/25: $88,426 – $100,172 depending on experience/qualifications with excellent benefits.

Application Process:
SEIU Local 509 is an equal opportunity employer with a strong commitment to diversity– women, BIPOC, LGBT candidates and candidates from other marginalized communities are strongly encouraged to apply.

We want to interview the best candidates for our organization. If you think you have the skills to fill the role and serve our mission, even if you don’t meet every qualification in the list, please consider applying. We review all applications thoroughly and are open to considering candidates from many different backgrounds.

If you require accommodations in order to apply please email [email protected] .

To Apply:
Interested candidates should submit a résumé and cover letter to: [email protected] . 

Questions about the position can be directed to [email protected] .

Applications are reviewed as they are received. Candidates are encouraged to apply as soon as possible for priority consideration. Priority deadline is August 29, 2025.

*SEIU Local 509 requires potential candidates to have a COVID 19 Vaccination, including needed boosters, at the time of hire.*

WHEN APPLYING: Be sure to indicate that you saw this information at .

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