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 | Chorley | 17 | 9 | 5 | 3 | 28 | 19 | 9 | 32 |
| 2 | Kidderminster HarriersKidderminster | 17 | 9 | 4 | 4 | 26 | 12 | 14 | 31 |
| 3 | Curzon AshtonCurzon Ashton | 16 | 9 | 3 | 4 | 21 | 11 | 10 | 30 |
| 4 | Scunthorpe UnitedScunthorpe | 17 | 8 | 5 | 4 | 31 | 14 | 17 | 29 |
| 5 | Buxton | 18 | 9 | 1 | 8 | 29 | 21 | 8 | 28 |
| 6 | Hereford UnitedHereford | 17 | 7 | 6 | 4 | 25 | 17 | 8 | 27 |
| 7 | Brackley Town | 16 | 8 | 3 | 5 | 19 | 13 | 6 | 27 |
| 8 | King's Lynn TownKing's Lynn | 17 | 8 | 3 | 6 | 20 | 19 | 1 | 27 |
| 9 | Alfreton TownAlfreton | 15 | 7 | 5 | 3 | 20 | 14 | 6 | 26 |
| 10 | Chester FCChester | 16 | 7 | 4 | 5 | 18 | 16 | 2 | 25 |
| 11 | SouthportSouthport | 17 | 7 | 4 | 6 | 25 | 29 | -4 | 25 |
| 12 | Spennymoor TownSpennymoor | 17 | 6 | 6 | 5 | 25 | 19 | 6 | 24 |
| 13 | Leamington FCLeamington | 16 | 6 | 5 | 5 | 22 | 16 | 6 | 23 |
| 14 | Darlington | 17 | 5 | 7 | 5 | 18 | 18 | 0 | 22 |
| 15 | South Shields | 17 | 7 | 1 | 9 | 19 | 27 | -8 | 22 |
| 16 | Peterborough SportsP'boro Sports | 17 | 6 | 3 | 8 | 18 | 23 | -5 | 21 |
| 17 | Scarborough AthleticScarborough Ath | 15 | 5 | 5 | 5 | 19 | 19 | 0 | 20 |
| 18 | Farsley CelticFarsley Celtic | 17 | 6 | 2 | 9 | 18 | 26 | -8 | 20 |
| 19 | Oxford CityOxford City | 16 | 4 | 6 | 6 | 23 | 29 | -6 | 18 |
| 20 | Warrington Town | 17 | 4 | 6 | 7 | 17 | 23 | -6 | 18 |
| 21 | RadcliffeRadcliffe | 17 | 4 | 5 | 8 | 21 | 30 | -9 | 17 |
| 22 | Marine AFC | 16 | 3 | 4 | 9 | 7 | 21 | -14 | 13 |
| 23 | Needham Market | 17 | 3 | 3 | 11 | 12 | 31 | -19 | 12 |
| 24 | Rushall Olympic | 16 | 3 | 2 | 11 | 16 | 30 | -14 | 11 |
| > National League North Full Table | |||||||||
