The 27-year-old, who had fallen behind Ben Alnwick in the pecking order at London Road, links up with the Iron on a one-month deal.
Oleknik made 57 appearances in all competitions for Peterborough last season, while he has also had spells at Falkirk and Torquay United since leaving Aston Villa in 2007.
Scunthorpe take on Fleetwood Town in League One tonight.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Scunthorpe UnitedScunthorpe | 15 | 8 | 5 | 2 | 27 | 8 | 19 | 29 |
| 2 | Chorley | 15 | 8 | 5 | 2 | 26 | 15 | 11 | 29 |
| 3 | King's Lynn TownKing's Lynn | 15 | 8 | 3 | 4 | 19 | 15 | 4 | 27 |
| 4 | Curzon AshtonCurzon Ashton | 13 | 8 | 2 | 3 | 19 | 10 | 9 | 26 |
| 5 | SouthportSouthport | 16 | 7 | 4 | 5 | 24 | 27 | -3 | 25 |
| 6 | Hereford UnitedHereford | 15 | 6 | 6 | 3 | 21 | 15 | 6 | 24 |
| 7 | Leamington FCLeamington | 14 | 6 | 5 | 3 | 20 | 12 | 8 | 23 |
| 8 | Alfreton TownAlfreton | 13 | 6 | 5 | 2 | 18 | 11 | 7 | 23 |
| 9 | Kidderminster HarriersKidderminster | 14 | 6 | 4 | 4 | 20 | 12 | 8 | 22 |
| 10 | Buxton | 15 | 7 | 1 | 7 | 24 | 17 | 7 | 22 |
| 11 | Chester FCChester | 14 | 6 | 4 | 4 | 17 | 15 | 2 | 22 |
| 12 | Spennymoor TownSpennymoor | 15 | 5 | 5 | 5 | 22 | 17 | 5 | 20 |
| 13 | Brackley Town | 13 | 6 | 2 | 5 | 15 | 12 | 3 | 20 |
| 14 | Scarborough AthleticScarborough Ath | 13 | 5 | 4 | 4 | 18 | 16 | 2 | 19 |
| 15 | South Shields | 15 | 6 | 1 | 8 | 17 | 22 | -5 | 19 |
| 16 | Darlington | 14 | 4 | 6 | 4 | 14 | 14 | 0 | 18 |
| 17 | Warrington Town | 15 | 4 | 5 | 6 | 17 | 22 | -5 | 17 |
| 18 | Farsley CelticFarsley Celtic | 15 | 5 | 2 | 8 | 16 | 25 | -9 | 17 |
| 19 | Oxford CityOxford City | 14 | 3 | 5 | 6 | 20 | 28 | -8 | 14 |
| 20 | Peterborough SportsP'boro Sports | 14 | 4 | 2 | 8 | 11 | 19 | -8 | 14 |
| 21 | RadcliffeRadcliffe | 15 | 2 | 5 | 8 | 16 | 28 | -12 | 11 |
| 22 | Needham Market | 15 | 3 | 2 | 10 | 11 | 29 | -18 | 11 |
| 23 | Marine AFC | 13 | 2 | 4 | 7 | 4 | 15 | -11 | 10 |
| 24 | Rushall Olympic | 14 | 3 | 1 | 10 | 14 | 26 | -12 | 10 |
| > National League North Full Table | |||||||||
