Summation from my good buddy Matt which sums it all up….
Job was a real person. He lived definitely before the time of Abraham, but most likely before the time of the flood (note the references to Leviathan and Bohemoth which some take to be references to dinosaur type creatures).
From what I can tell from the English translation, the meeting is not specifically said to be in heaven, but there is nothing to indicate that it wasn’t either – and it is most likely that the angels would present themselves before the throne of God — which is in heaven. Therefore, I would take it as a reference to Satan having access to heaven at that time.
Scripture does not explicitly give us a specific time/place when Satan is denied access to heaven any longer. Jesus speaks of seeing Satan falling from heaven like lightning (Luke 10:18), but the exact reference is unclear.
Some say that Satan has been permanently barred from heaven since the crucifixion – the time when he is no longer able to accuse men before God because their sin has been covered by the blood of Christ. Others posit some time between Job and Christ.
In any case, Satan can no longer accuse us before God (only in our own consciences) because Christ has paid our debt once and for all and Satan has no claim and nothing to argue before God.
I found another summary which looks like a decent starting place. http://www.facebook.com/l.php?u=http://%28http%3A%2F%2Fwww.new-life.net%2Ffaq205.htm%29 I can’t say I agree with everything on it (at least not without a bit more study), bit the author does a good job separating his opinion from the clear testimony of Scripture.
Ultimately, there are few things that can be said with certainty about Satan/Angels/etc. (although it does make for some fun speculation sometimes). Scripture is the story of God’s redemption of mankind – it points out our need for redemption and God’s disposition toward us (including what He has done to accomplish our redemption). This is where Melanchthon came up with the distinction of "Law" and "Promises". These things sometimes touch on other areas (including demons and angels), but those other areas are tangental to the real story of Scripture.
The consolation with regard to Satan and the evil angels is that God continually keeps them in Check and while they try to upset God’s will and work, they ultimately operate only with His permission (Cxref Job) and while He neither wills or authors evil, he uses even their activity to accomplish his purposes (cxref the crucifixion where the forces of evil conspired to kill Christ yet God utilized it for the salvation of mankind).
Another help would be A. L. Graebner
Graebner’s Outlines of Doctinal theology (points reproduced below with scriptures cited by Graebner):
59: Within the six days of creation (Gen 2:2; Ex 20:11) God made a great multitude (Dan 7:10; Rev 5:11; Luke 2:13) of angels.
60. Angels are finite spirits, (Ps. 104:4, Hebr 1:14) without bodies, and complete in their spiritual nature (Luke 24:39), personal (Lk 1:19; Dan. 8:16), rational (Lk 15:10, 1 Pe. 1:12), and moral (Mt 25:31; 1 Tim 5:21) beings of great but limited (Mk 13:32) wisdom (2 Sam 14:20) and power (2 Thess 1:17, Ps 103:20 cxref 1 Kings 19:32-35), and of various ranks and orders (1 Pe 3:22; 1 Thess 4:16).
61. Angels, being sexless (Mt 22:30 cxref Mk 12:25) do not propagate their kind, and also being immortal in incorruptible (Lk 20:36), their number is neither increased nor diminished.
62. All angels were created perfectly good and holy (Gen 1:31; Mt 25:31) but a part of only of their number remained in their original estate (1 Tim 5:21; Jude 6; 2 Pet 2:4).
63. Those angels who persevered in their primeval state were, in accordance with divine election (1 Tim 5:21), confirmed (Mt 18:10) in holiness (Mt 25:31) and in the enjoyment of everlasting bliss and communion with God (Mt 18:10; Lk 20:36) in a state of glory (Mt 25:31).
64. The good angels serve God in worshiping Him (Dan 7:10), doing His pleasure, and executing His commandments as His messengers and ministers (Ps 103:21) for the promotion of His purposes (Mt. 1:20; Mt 28:2, Mt 4:11, Lk 22:43) especially in the Church and for the protection and guidance of the heirs of salvation (Hebr 1:14, Mt 18:10, Ps 34:7; Ps 91:11; Mt 24:31; Mt 13:39; Lk 16:22).
65. A multitude (Mk 5:9) of angels (Jude 6) left their first estate and make the beginning of sin (1 Jn 3:8; 2 Pet 2:4), became evil spirits (Mk 1:23; Eph 6:12), or devils (1 Cor 10:20; Mk 5:12) with perverted and depraved intellectual and moral faculties (Mt 4:6; Jn 8:44; Gen 3:4).
66. The evil angels were by the just judgment of God condemned to everlasting punishment in a confirmed state of wrath. (Mt 25:41; 2 Pet 2:4; Jude 6)
67. The evil angels, being since their fall enemies of God and of His children (Mt 13:25,39; 1 Pet 5:8 Eph 6:11-12), are under their princes (Mt 25:41 – cxref Eph 6:12) ever bent upon destroying the works of God (1 Pet 5:8; cxref Gen 3:1-6; Mt 15:22; Lk 9:39), countering His purposes (Mt 13:19; Mt 13:25,26,38), doing and promoting evil (Jn 13:2; Eph 2:2; 2 Thess 2:9; cxref 1 Chron 21:1; Acts 5:3,4), and, though subject to God’s supreme dominion and control and confined within the con bounds of His permission (Job 1:12; Job 2:6 cxref Mt 8:31,32), they are in various ways occupied in strengthening their kingdom (Lk 11:18; Lk 11:24-26) and exerting their power in the minds (Acts 5:3; 2 Cor 4:4; cxref Lk 11:26; Eph 2:2; Jn 13:2; Judas) and bodies of men (2 Cor 12:7; Lk 13:16; cxref Mt 9:17,18,20; cf Job 1 and 2).