Around 20 jobs are at risk at the Lake District National Park Authority.
It said the coronavirus pandemic has led to a £1.2 million budget deficit for 2021/2022.
Members of the authority agreed to begin a consultation on its proposals to make financial savings needed to secure its services and future work.
The consultation will last for 45 days.
Richard Leafe, chief executive of the Lake District National Park Authority, said: “While it’s been great to see so many visitors enjoying the health benefits of the national park since lockdown measures eased, the coronavirus pandemic has increased costs and reduced the income we expect to receive from our visitor services, such as information centres and Brockhole.
“During the past few months, we’ve been doing everything possible to minimise the impact of our situation on our services and people.
“We have been talking to our staff about the challenges we’re facing, including asking for efficiency ideas and voluntary actions, to help make the savings needed.
“It’s been clear just how committed and passionate our people are, and I thank everyone for their support during this time.
“However, in order to close the gap on our £1.2m deficit and ensure a more sustainable future in looking after the national park, unfortunately we are left with no alternative than to make some roles redundant and create a leaner, more flexible structure.
“We will now begin a genuine consultation and are encouraging all of our staff to take part in helping us to shape the authority’s future.
“At the heart of the proposals are our priorities for managing the national park to 2030, which were refreshed in our organisational strategy earlier this year.
These include a sharper focus on climate change, ambitious scale nature recovery, supporting the future of farming and sustainable smarter travel, to be delivered with the Lake District National Park Partnership.
“We remain committed to our vision for the Lake District and our statutory work to protect, conserve and enhance this special place underpins every decision we take.
“The pandemic has been an extraordinary time for the whole country and the authority has been playing an active part in the multi-agency response across Cumbria and the national park.
“We will continue to work with partners, volunteers and our communities, supporting the nation’s health and wellbeing as we move towards recovery.
“I understand how difficult this process will be for some and we will support our staff through this period of change. I’m confident that, together, we will create an organisation that will be flexible enough to manage the national park’s future challenges and many opportunities, for the benefit of everyone.”
The staff consultation will run to mid-October, followed by an adjustment and transition period ahead of the new structure beginning in April 2021.