<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Mon Aug 17 18:09:27 UTC 2026 -->
<xs:schema elementFormDefault="qualified" xmlns:nfti="http://www.im.natixis.com/20251231" targetNamespace="http://www.im.natixis.com/20251231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="nfti-20251231_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="nfti-20251231_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="nfti-20251231_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/oef/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/oef-rr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-rr-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/fnd-oef/2025" schemaLocation="https://xbrl.sec.gov/fnd/2025/fnd-oef-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<!-- [WMV7][hdau9NXWPrL/r+PQCpa1e2yguPmVvdTkOJPGiPRKBKpszYfy9TBgVK/+MJ1EsLABPfedJBUu/SmQUd1gxTPsrBVb7D38mIyqXLnwkE5Y2haJjlDyWEaSIt5McdoRdzfUhKlaibCcMBW1Jtc9ClB6TcTPZWFd9ko0jTn7YP9sGobej/S7i2kAMAH1kLQvC68zNRtEaJIJTqfOAK6C0tU96w4xqiUnF68nPL36OpH3y4OPtIY17gagmWjmckGg0fUrWMxTyQTebT5T2QOnswBmVXa/nFT0GrjGhXwx9HvrGGmtca8m1PygyRmy/nSIiPvIuUsE34fnqt1b8+kSY9876+IcymCDWbudEHpY+53QxyU7O+roe5Rl] CSR-->
  <xs:element name="S000053352Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="nfti_S000053352Member"/>
</xs:schema>
