Norwich City's Academy Under-16s goalkeeper Jed Steer followed in the footsteps of Robert Green, Joe Lewis and Declan Rudd when he was called by England's Under-16 squad for the Vicory Shield international against Northern Ireland at Blackpool on October 11th 2007 with the game being covered live by Sky Sports.

Jed Steer flew out to France with the England Under-16 squad on Monday 17th March 2008 to take part in the Montaigu tournament. England's group games in the tournament are against Japan on Wednesday 19th March, Germany on Thursday 20th March and USA on Easter Saturday. Jed kept a clean sheet in a 1-0 win against Germany on Thursday. Although England lost 1-0 to the USA with Adam Davies (Everton) in goal, an earlier victory against Japan was enough to see England joint top of their group together with Germany. Both teams finished with exactly the same record but England's victory over the Germans gave the Young Lions the spot in the final.

Steer was the English hero when he produced the matchwinning save in a penalty shoot-out as England beat hosts France 5-4 in the final on spot-kicks after a goalless draw.England netted all five of their spot-kicks through skipper José Baxter, Ryan Tunnicliffe, Jonjo Shelvey, Emmanuel Frimpong and Ezekiel Fryers to win the game and add a second honour for the season after lifting the Victory Shield last November. Germany sealed third place in the competition after beating Ivory Coast on penalties.

In August 2008, Jed was called up to the England Under-17 squad, even though he is only 15, for an international tournament against Israel, Italy and Portugal.

On 29th September 2008, the Daily Mirror reported that "Chelsea were ready to pay City £250,000 for keeper Jed Steer and groom him for stardom". the same report suggested Manchester United were also watching Steer

Jed signed for the Academy as a scholar at the end of June 2009. He signed his first professional contract with Norwich on 24th September 2009, his 17th birthday

On 29th July 2011, Jed was loaned to League One Yeovil for three months, at the same time as agreeing a one year extension to his contract with Norwich. He made his league debut on 6th August 2011 in a 2-0 defeat at Brentford. He returned to Norwich after 12 appearances as he injured his thigh on 13th October. .

Jed made his Norwich debut in the 2-1 away FA Cup win at West Bromwich Albion on 28th January 2012. He also played in the FA Cup defeat to Leicester.

On 8th November 2012, Jed was loaned to Conference side Cambridge for a month to gain match experience. He kept a clean sheet on his debut against Macclesfield on 10th November 2012.

Out of contract at the end of the 2012/13 season, he rejected Norwich's offer of a new contract and became Paul Lambert's sixth signing of the 2013 summer for Aston Villa. Norwich will be paid compensation due to Steer's youth. The tribunal ordered Villa to pay Norwich a fee of £450,000 for Steer.
A further £500,000 could be payable depending on appearances.

On 1st August 2014, Steer joined Doncaster Rovers on a three month loan. He made his debut on 9th August 2014 in the 3-0 win at Yeovil. He made 17 appearances for Rovers before being recalled by Villa, who then loaned him to Yeovil on 31st October 2014. he made 16 appearances for the Somerset side.

Jed joined Huddersfield on a one monthloan on 11th September 2015, making his debut on 12th September in a 2-0 defeat at Cardiff. He made ten appearances, keeping two clean sheets, before returning to Villa. Villa then allowed him to join Huddersfield again on loan on 26th November until 26th December. This was extended to the end of the season and Steer made a total of 28 appearances for Huddersfield before returning to Villa.

On 10th August 2018, Steer joined Charlton on a season long loan. Although he had played in Villa's first game of the 2018/19 season, the signing of Orjan Nyland saw him drop down the pecking order. He had made 9 appearances for Villa. Steer returned to Villa on 31st December 2019 as cover for Villa's new signing Lovre Kalinić after Orjan Nyland was injured, but following an injury to Kalinic during a match against West Brom, Steer was subbed on at halftime. He then started the following match against Stoke and impressed and became first choice keeper. He starred in Villa's Championship play-off semi-final victory over West Brom, saving two penalties in a 4-3 shoot out. He played in the Championship Play-off final on Monday 27th May which Villa won 2-1 and saw them returned to the Premier League.

On 31st January 2022 he joined Luton Town on loan following the Hatters' sale of Simon Sluga to Bulgarian side Ludogrets for an undisclosed fee.

At the end of May 2023 he was released by Aston Villa having spent 10 years there. He said "It's been amazing. I joined the club 10 years ago in 2013 as a 20-year-old boy, and I leave as a 30-year-old man. To see the club come from 2013 to where it is today has been a massive change. It's been a brilliant 10 years, full of ups and downs. That's football. Did I ever think I was going to be here for 10 years? Absolutely not, but I have and it's been great."

On 4th January 2024 Peterborough signed Steer on a "short-term" deal to cover Nicholas Bilokapic's injury.Bilokapic suffered a knee injury in the draw with Barnsley on 29 December, with Fynn Talley making his first start in Monday's League One win over Derby. Posh boss Darren Ferguson said: "It is a move that just makes sense - Jed will come in and provide short-term cover. Jed has good experience, and he will challenge Fynn while he is with us. I am pleased that Jed is on board and am looking forward to working with him." Steer made four appearances and his contract was extended until the end of the season on 1st February 2024 after the Posh had won three of the four.

Steer was in goal for Peterborough when they won the English Football League Trophy on 7th April 2024 beating Wycombe Wanderers 2-1 at Wembley.

He signed a new two year deal with Peterborough on 20th June 2024.

In the 2024/25 season Jed saved two penalties against Wrexham to help Posh reach the EFL Trophy final at Wembley, and kept a clean sheet when they beat Birmingham City 2-0 in the final on 13th April 2025.

On 7th May 2025 Peterborough announced Steer was leaving the club, despite having another 12 months on his contract, for personal reasons.