Fresh from pushing through major changes to French labour law, the 39-year-old centrist has now turned to the next stage of the "transformation" of the French social model which he has promised.
This includes major changes to France's generous unemployment benefits system, as well as large increases in state-funded training aimed at helping the unemployed back into the workplace.
Any change to social security is controversial in France and Macron is hoping to avoid an escalation in street protests against him which began in early September at the call of trade unions.
Martinez has been one of the most vocal critics of Macron since his election in May and the CGT has spearheaded what has so far been a mostly ineffective round of strikes and demonstrations to demand the government change tack.
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Macron intends to deploy the same playbook used to push through the labour law reform: negotiations over the next few months culminating in a set of government's proposals.
"Objective: to invent new protections," Macron tweeted.
Macron vowed during campaigning to overhaul the unemployment benefits system to extend it to self-employed people and farmers who are currently not covered, as well as opening it up -- under certain conditions -- to people who quit their jobs.
But controversially he also proposed that benefits claimants could only refuse one job locally for which they were qualified. If they refused twice, they would lose their payouts or have to accept a government-approved re-training programme.
"The aim is to open up the unemployment benefits system to everyone and also to reform it to help fight against job precariousness," said Labour Minister Muriel Penicaud, who will pilot talks in the months ahead.
Macron's popularity ratings have fallen sharply since his election in May, with only 40 percent of respondents in a recent survey saying they had a favourable view of the former investment banker.
Macron also provoked leftist opponents with a proposed tax reform that will scrap wealth taxes on financial investments, leading him to be dubbed the "president of the rich".
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