Provision of Operation and Maintenance Services for Water and Wastewater Infrastructure at Various UNMISS Locations in the Republic of South Sudan

The United Nations Mission in South Sudan (UNMISS) hereby solicits Expressions of Interest (EOI) from competent companies for the provision of operation and maintenance services for water and wastewater infrastructure at various UNMISS locations in the Republic of South Sudan. Specific Requirements/Information 1. Interested companies are invited to submit their Expression of Interest (EOI) online or via e-mail (preferred) or hand delivered to UNMISS. The EOI must include, at a minimum, the following information: > United Nations Global Market (UNGM) and registration number for operation and maintenance services for water and wastewater infrastructure, UNSPSC Code no 83101500. > Company’s contact details (address, telephone and fax numbers, e-mail, etc.). Important Notice: 2. This REOI does not constitute a solicitation. UNMISS reserves the right to change or cancel the requirement at any time during the REOI and/or solicitation process. Thus, submitting a response to this REOI does not automatically guarantee that your company will be considered for receipt of the solicitation when issued. 3. UNMISS also reserves the right to send the Solicitation Documents to companies who were identified through additional market research or other means to source the UN requirements. 4. Vendors interested in fulfilling the requirement described above must be registered with UNGM and those not registered may wish to visit www.ungm.org for full registration information in order to be eligible to participate in any solicitation. 5. Vendors already registered at the UNGM basic level and level 1 are strongly advised to upgrade to Level 2. 6. Local and Regional companies, women owned business, and businesses by people living with disabilities are encouraged to participate. 7. The EOI, clearly marked “Expression of Interest – Provision of Operation and Maintenance Services for Water and Wastewater Infrastructure of Diesel Generators and Electrical Power Transmission System at Various UNMISS Locations in the Republic of South Sudan” must be received by UNMISS no later than 16:00 Hours (GMT+2) on Wednesday 24 September 2025 via the link https://www.ungm.org/Public/Notice or email kibukamusoke@un.org copying al-miski@un.org and lafta@un.org incase of difficulties. The EOI may also be hand-delivered to the attention of the Chief Procurement Officer, United Nations Mission in South Sudan (UNMISS) Near Juba International Airport, Room No.: 3C/02, Juba, South Sudan, Tel: +211912067160.